/************************************  对比并筛选 ***************************************************/

        /// <summary>
        /// 通过ID数组提取出所有要素,创建动作
        /// </summary>
        /// <param name="dzLine"></param>
        /// <param name="pdLing"></param>
        /// <param name="savePath"></param>
        public static void selectFeat(string dzx, string pdx, string savePath)
        {
            Stopwatch ssww = new Stopwatch(); ssww.Start();

            //获得数组
            int[] a = getMinIdGroupM(dzx, pdx);

            Console.WriteLine("ID to Feater...");
            OSGeo.OGR.Ogr.RegisterAll();
            OSGeo.OGR.Driver     dr      = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
            OSGeo.OGR.DataSource dzDS    = dr.Open(dzx, 0);
            OSGeo.OGR.Layer      dzLayer = dzDS.GetLayerByIndex(0);
            if (System.IO.File.Exists(savePath))
            {
                System.IO.File.Delete(savePath);
            }
            OSGeo.OGR.DataSource ds        = dr.CreateDataSource(savePath, null);
            OSGeo.OGR.Layer      fileLayer = ds.CreateLayer("", null, OSGeo.OGR.wkbGeometryType.wkbPolygon, null);
            //get featuer by ID
            for (int i = 0; i < a.Length; i++)
            {
                fileLayer.CreateFeature(dzLayer.GetFeature(a[i]));
                dzLayer.GetFeature(a[i]).Dispose();
            }
            dzLayer.Dispose();
            dzDS.Dispose();
            fileLayer.Dispose();
            ds.Dispose();
            _2_坡度线.OutLine.CutImg.cleanPdxM(savePath);
            ssww.Stop();
            Console.WriteLine("提取轮廓线完成!用时:{0}", ssww.Elapsed.ToString());
        }
Exemple #2
0
 async static void getDoubFeat(string filePath, int s, int ss)
 {
     await Task.Run(() =>
     {
         OSGeo.OGR.Ogr.RegisterAll();
         OSGeo.OGR.Driver dr       = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
         OSGeo.OGR.DataSource ds   = dr.Open(filePath, 0);
         OSGeo.OGR.Layer layer     = ds.GetLayerByIndex(0);
         OSGeo.OGR.Feature oriFeat = layer.GetFeature(s);
         for (int i = s + 1; i < ss; i++)
         {
             OSGeo.OGR.Feature nextFeat = layer.GetFeature(i);
             if (StaticTools.isSame(oriFeat, nextFeat, 1))
             {
                 ids.Add(s);
                 break;
             }
             nextFeat.Dispose();
         }
         oriFeat.Dispose();
         layer.Dispose();
         ds.Dispose();
         tickTime++;
     }
                    );
 }
        /// <summary>
        /// 通过是否相交和面积差,获得最小面积差相交要素的ID数组--------多线OK
        /// </summary>
        /// <param name="dzx"></param>
        /// <param name="pdx"></param>
        /// <returns></returns>
        private static int[] getMinIdGroupM(string dzx, string pdx)
        {
            Console.WriteLine("起用多线程提取轮廓线ID....");

            OSGeo.OGR.Ogr.RegisterAll();
            OSGeo.OGR.Driver     dr      = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
            OSGeo.OGR.DataSource pdDS    = dr.Open(pdx, 0);
            OSGeo.OGR.Layer      pdLayer = pdDS.GetLayerByIndex(0);

            int pdCount = pdLayer.GetFeatureCount(0);

            for (int pdi = 0; pdi < pdCount; pdi++)
            {
                OSGeo.OGR.Feature pdFeat = pdLayer.GetFeature(pdi);
                select(pdFeat, dzx);
            }

            while (tickTime < pdCount)
            {
                Console.WriteLine("第{0}个完成,共{1}个", tickTime, pdCount);
                Thread.Sleep(2000);
            }

            pdLayer.Dispose();
            pdDS.Dispose();
            Console.WriteLine("多线程提取ID完成.....");
            return(minIdG.ToArray());
        }
Exemple #4
0
 /// <summary>
 /// 关闭ShpReader
 /// </summary>
 public void Close()
 {
     if (_ogrLayer != null)
     {
         _ogrLayer.Dispose();
         _ogrDataSource.Dispose();
     }
 }
        /// <summary>
        /// 子线程提取轮廓线ID
        /// </summary>
        /// <param name="pdFeat"></param>
        /// <param name="dzx"></param>
        async static void select(Feature pdFeat, string dzx)
        {
            await Task.Run(() =>
            {
                double afterCha = -1;
                int yesID       = -1;

                OSGeo.OGR.Ogr.RegisterAll();
                OSGeo.OGR.Driver dr       = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
                OSGeo.OGR.DataSource dzDS = dr.Open(dzx, 0);
                OSGeo.OGR.Layer dzxLayer  = dzDS.GetLayerByIndex(0);

                OSGeo.OGR.Geometry pdGeom = pdFeat.GetGeometryRef();

                int dzCount = dzxLayer.GetFeatureCount(0);

                for (int dzi = 0; dzi < dzCount; dzi++)
                {
                    OSGeo.OGR.Feature dzFeat  = dzxLayer.GetFeature(dzi);
                    OSGeo.OGR.Geometry dzGeom = dzFeat.GetGeometryRef();

                    if (pdGeom.Intersect(dzGeom))
                    {
                        double cha = Math.Abs(dzGeom.GetArea() - pdGeom.GetArea());
                        if (afterCha == -1)
                        {
                            afterCha = cha;
                            yesID    = dzi;
                        }
                        else if (cha < afterCha)
                        {
                            afterCha = cha;
                            yesID    = dzi;
                        }
                    }

                    dzGeom.Dispose();
                    dzFeat.Dispose();
                }

                if (yesID != -1)
                {
                    minIdG.Add(yesID);
                }
                dzDS.Dispose();
                dzxLayer.Dispose();
                pdGeom.Dispose();
                pdFeat.Dispose();
                tickTime++;
            });
        }
Exemple #6
0
 public void Dispose()
 {
     _ogrLayer?.Dispose();
 }
Exemple #7
0
        protected override void SolveInstance(IGH_DataAccess DA)
        {
            ///Gather GHA inputs
            List <Curve> boundary = new List <Curve>();

            DA.GetDataList <Curve>("Boundary", boundary);

            string shpFilePath = string.Empty;

            DA.GetData <string>("Vector Data Location", ref shpFilePath);

            bool cropIt = true;

            DA.GetData <Boolean>("Crop file", ref cropIt);

            string userSRStext = "WGS84";

            DA.GetData <string>(2, ref userSRStext);


            ///GDAL setup
            ///Some preliminary testing has been done to read SHP, GeoJSON, OSM, KML, MVT, GML and GDB
            ///It can be spotty with KML, MVT and GML and doesn't throw informative errors.  Likely has to do with getting a valid CRS and
            ///TODO: resolve errors with reading KML, MVT, GML.

            DataSource   dataSource = CreateDataSource(shpFilePath);
            List <Layer> layerSet   = GetLayers(dataSource);

            ///Declare trees
            GH_Structure <GH_Rectangle> recs = new GH_Structure <GH_Rectangle>();
            GH_Structure <GH_String>    spatialReferences = new GH_Structure <GH_String>();
            GH_Structure <GH_String>    fnames            = new GH_Structure <GH_String>();
            GH_Structure <GH_String>    fset = new GH_Structure <GH_String>();
            GH_Structure <GH_Point>     gset = new GH_Structure <GH_Point>();

            GH_Structure <GH_Point>     gsetUser = new GH_Structure <GH_Point>();
            GH_Structure <GH_Rectangle> recsUser = new GH_Structure <GH_Rectangle>();

            GH_Structure <GH_String>        gtype = new GH_Structure <GH_String>();
            GH_Structure <IGH_GeometricGoo> gGoo  = new GH_Structure <IGH_GeometricGoo>();


            ///Loop through each layer. Layers usually occur in Geodatabase GDB format. SHP usually has only one layer.
            for (int iLayer = 0; iLayer < dataSource.GetLayerCount(); iLayer++)
            {
                OSGeo.OGR.Layer layer = dataSource.GetLayerByIndex(iLayer);

                if (layer == null)
                {
                    Console.WriteLine($"Couldn't fetch advertised layer {iLayer}");
                    System.Environment.Exit(-1);
                }

                long count        = layer.GetFeatureCount(1);
                int  featureCount = System.Convert.ToInt32(count);



                AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, $"Layer #{iLayer} {layer.GetName()} has {featureCount} features");

                ///Get the spatial reference of the input vector file and set to WGS84 if not known
                ///
                OSGeo.OSR.SpatialReference sourceSRS = new SpatialReference(Osr.SRS_WKT_WGS84);
                string spatialReference = GetSpatialReference(layer, iLayer, dataSource, sourceSRS);
                spatialReferences.Append(new GH_String(spatialReference), new GH_Path(iLayer));


                ///Set transform from input spatial reference to Rhino spatial reference
                ///TODO: look into adding a step for transforming to CRS set in SetCRS
                OSGeo.OSR.SpatialReference rhinoSRS = new OSGeo.OSR.SpatialReference("");
                rhinoSRS.SetWellKnownGeogCS("WGS84");

                ///TODO: verify the userSRS is valid
                ///TODO: use this as override of global SetSRS
                OSGeo.OSR.SpatialReference userSRS = new OSGeo.OSR.SpatialReference("");
                userSRS.SetFromUserInput(userSRStext);

                ///These transforms move and scale in order to go from userSRS to XYZ and vice versa
                Transform userSRSToModelTransform   = Heron.Convert.GetUserSRSToModelTransform(userSRS);
                Transform modelToUserSRSTransform   = Heron.Convert.GetModelToUserSRSTransform(userSRS);
                Transform sourceToModelSRSTransform = Heron.Convert.GetUserSRSToModelTransform(sourceSRS);
                Transform modelToSourceSRSTransform = Heron.Convert.GetModelToUserSRSTransform(sourceSRS);

                ///Get OGR envelope of the data in the layer in the sourceSRS
                OSGeo.OGR.Envelope ext = new OSGeo.OGR.Envelope();
                layer.GetExtent(ext, 1);

                OSGeo.OGR.Geometry extMinSourceOgr = new OSGeo.OGR.Geometry(wkbGeometryType.wkbPoint);
                extMinSourceOgr.AddPoint(ext.MinX, ext.MinY, 0.0);
                extMinSourceOgr.AssignSpatialReference(sourceSRS);

                OSGeo.OGR.Geometry extMaxSourceOgr = new OSGeo.OGR.Geometry(wkbGeometryType.wkbPoint);
                extMaxSourceOgr.AddPoint(ext.MaxX, ext.MaxY, 0.0);
                extMaxSourceOgr.AssignSpatialReference(sourceSRS);

                ///Get extents in Rhino SRS
                Point3d extPTmin = Heron.Convert.OgrPointToPoint3d(extMinSourceOgr, sourceToModelSRSTransform);
                Point3d extPTmax = Heron.Convert.OgrPointToPoint3d(extMaxSourceOgr, sourceToModelSRSTransform);

                Rectangle3d rec = new Rectangle3d(Plane.WorldXY, extPTmin, extPTmax);
                recs.Append(new GH_Rectangle(rec), new GH_Path(iLayer));

                ///Get extents in userSRS
                ///Can give odd results if crosses 180 longitude
                extMinSourceOgr.TransformTo(userSRS);
                extMaxSourceOgr.TransformTo(userSRS);

                Point3d extPTminUser = Heron.Convert.OgrPointToPoint3d(extMinSourceOgr, userSRSToModelTransform);
                Point3d extPTmaxUser = Heron.Convert.OgrPointToPoint3d(extMaxSourceOgr, userSRSToModelTransform);

                Rectangle3d recUser = new Rectangle3d(Plane.WorldXY, extPTminUser, extPTmaxUser);
                recsUser.Append(new GH_Rectangle(recUser), new GH_Path(iLayer));


                if (boundary.Count == 0 && cropIt == true)
                {
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Define a boundary or set cropIt to False");
                }

                else if (boundary.Count == 0 && cropIt == false)
                {
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Clipping boundary has not been defined. File extents will be used instead");
                    boundary.Add(rec.ToNurbsCurve());
                }



                ///Loop through input boundaries
                for (int i = 0; i < boundary.Count; i++)
                {
                    OSGeo.OGR.FeatureDefn def = layer.GetLayerDefn();

                    ///Get the field names
                    List <string> fieldnames = new List <string>();
                    for (int iAttr = 0; iAttr < def.GetFieldCount(); iAttr++)
                    {
                        OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iAttr);
                        fnames.Append(new GH_String(fdef.GetNameRef()), new GH_Path(i, iLayer));
                    }

                    ///Check if boundary is contained in extent
                    if (!rec.IsValid || ((rec.Height == 0) && (rec.Width == 0)))
                    {
                        ///Get field data if even if no geometry is present in the layer
                        AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "One or more vector datasource bounds are not valid.");
                        OSGeo.OGR.Feature feat;
                        int m = 0;

                        while ((feat = layer.GetNextFeature()) != null)
                        {
                            ///Loop through field values
                            for (int iField = 0; iField < feat.GetFieldCount(); iField++)
                            {
                                OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
                                fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, iLayer, m));
                                fdef.Dispose();
                            }
                            m++;
                            feat.Dispose();
                        }
                    }

                    else if (boundary[i] == null)
                    {
                        AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Clipping boundary " + i + " not set.");
                    }

                    else if (!boundary[i].IsValid)
                    {
                        AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Clipping boundary " + i + "  is not valid.");
                    }

                    else if (rec.IsValid && Curve.PlanarClosedCurveRelationship(rec.ToNurbsCurve(), boundary[i], Plane.WorldXY, Rhino.RhinoDoc.ActiveDoc.ModelAbsoluteTolerance) == RegionContainment.Disjoint)
                    {
                        AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "One or more clipping boundaries may be outside the bounds of the vector datasource.");
                    }

                    else
                    {
                        ///Create bounding box for clipping geometry
                        Point3d min = boundary[i].GetBoundingBox(true).Min;
                        Point3d max = boundary[i].GetBoundingBox(true).Max;
                        min.Transform(modelToSourceSRSTransform);
                        max.Transform(modelToSourceSRSTransform);
                        double[] minpT = new double[3];
                        double[] maxpT = new double[3];

                        minpT[0] = min.X;
                        minpT[1] = min.Y;
                        minpT[2] = min.Z;
                        maxpT[0] = max.X;
                        maxpT[1] = max.Y;
                        maxpT[2] = max.Z;


                        OSGeo.OGR.Geometry ebbox = OSGeo.OGR.Geometry.CreateFromWkt("POLYGON((" + minpT[0] + " " + minpT[1] + ", " + minpT[0] + " " + maxpT[1] + ", " + maxpT[0] + " " + maxpT[1] + ", " + maxpT[0] + " " + minpT[1] + ", " + minpT[0] + " " + minpT[1] + "))");

                        ///Create bounding box for clipping geometry
                        ///Not working on MVT type files
                        //boundary[i].Transform(modelToSourceSRSTransform);
                        //OSGeo.OGR.Geometry ebbox = Heron.Convert.CurveToOgrPolygon(boundary[i]);


                        ///Clip Shapefile
                        ///http://pcjericks.github.io/py-gdalogr-cookbook/vector_layers.html
                        OSGeo.OGR.Layer clipped_layer = layer;

                        if (cropIt)
                        {
                            clipped_layer.SetSpatialFilter(ebbox);
                        }

                        ///Loop through geometry
                        OSGeo.OGR.Feature feat;
                        def = clipped_layer.GetLayerDefn();

                        int m = 0;
                        while ((feat = clipped_layer.GetNextFeature()) != null)
                        {
                            OSGeo.OGR.Geometry geom = feat.GetGeometryRef();
                            OSGeo.OGR.Geometry sub_geom;

                            OSGeo.OGR.Geometry geomUser = feat.GetGeometryRef().Clone();
                            OSGeo.OGR.Geometry sub_geomUser;

                            ///reproject geometry to WGS84 and userSRS
                            ///TODO: look into using the SetCRS global variable here
                            if (geom.GetSpatialReference() == null)
                            {
                                geom.AssignSpatialReference(sourceSRS);
                            }
                            if (geomUser.GetSpatialReference() == null)
                            {
                                geomUser.AssignSpatialReference(sourceSRS);
                            }

                            geom.TransformTo(rhinoSRS);
                            geomUser.TransformTo(userSRS);
                            gtype.Append(new GH_String(geom.GetGeometryName()), new GH_Path(i, iLayer, m));

                            if (feat.GetGeometryRef() != null)
                            {
                                ///Convert GDAL geometries to IGH_GeometricGoo
                                gGoo.AppendRange(Heron.Convert.OgrGeomToGHGoo(geomUser, userSRSToModelTransform), new GH_Path(i, iLayer, m));

                                /// Get Feature Values
                                if (fset.PathExists(new GH_Path(i, iLayer, m)))
                                {
                                    fset.get_Branch(new GH_Path(i, iLayer, m)).Clear();
                                }
                                for (int iField = 0; iField < feat.GetFieldCount(); iField++)
                                {
                                    OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
                                    if (feat.IsFieldSet(iField))
                                    {
                                        fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, iLayer, m));
                                    }
                                    else
                                    {
                                        fset.Append(new GH_String("null"), new GH_Path(i, iLayer, m));
                                    }
                                }
                                ///End get Feature Values


                                ///Start get points if open polylines and points
                                for (int gpc = 0; gpc < geom.GetPointCount(); gpc++)
                                {
                                    ///Loop through geometry points for Rhino SRS
                                    double[] ogrPt = new double[3];
                                    geom.GetPoint(gpc, ogrPt);
                                    Point3d pt3D = new Point3d(ogrPt[0], ogrPt[1], ogrPt[2]);
                                    pt3D.Transform(Heron.Convert.WGSToXYZTransform());

                                    gset.Append(new GH_Point(pt3D), new GH_Path(i, iLayer, m));

                                    ///Loop through geometry points for User SRS
                                    double[] ogrPtUser = new double[3];
                                    geomUser.GetPoint(gpc, ogrPtUser);
                                    Point3d pt3DUser = new Point3d(ogrPtUser[0], ogrPtUser[1], ogrPtUser[2]);
                                    pt3DUser.Transform(userSRSToModelTransform);

                                    gsetUser.Append(new GH_Point(pt3DUser), new GH_Path(i, iLayer, m));

                                    ///End loop through geometry points


                                    /// Get Feature Values
                                    if (fset.PathExists(new GH_Path(i, iLayer, m)))
                                    {
                                        fset.get_Branch(new GH_Path(i, iLayer, m)).Clear();
                                    }
                                    for (int iField = 0; iField < feat.GetFieldCount(); iField++)
                                    {
                                        OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
                                        if (feat.IsFieldSet(iField))
                                        {
                                            fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, iLayer, m));
                                        }
                                        else
                                        {
                                            fset.Append(new GH_String("null"), new GH_Path(i, iLayer, m));
                                        }
                                    }
                                    ///End Get Feature Values
                                }
                                ///End getting points if open polylines or points


                                ///Start getting points if closed polylines and multipolygons
                                for (int gi = 0; gi < geom.GetGeometryCount(); gi++)
                                {
                                    sub_geom = geom.GetGeometryRef(gi);
                                    OSGeo.OGR.Geometry subsub_geom;

                                    sub_geomUser = geomUser.GetGeometryRef(gi);
                                    OSGeo.OGR.Geometry subsub_geomUser;

                                    if (sub_geom.GetGeometryCount() > 0)
                                    {
                                        for (int n = 0; n < sub_geom.GetGeometryCount(); n++)
                                        {
                                            subsub_geom     = sub_geom.GetGeometryRef(n);
                                            subsub_geomUser = sub_geomUser.GetGeometryRef(n);

                                            for (int ptnum = 0; ptnum < subsub_geom.GetPointCount(); ptnum++)
                                            {
                                                ///Loop through geometry points
                                                double[] ogrPt = new double[3];
                                                subsub_geom.GetPoint(ptnum, ogrPt);
                                                Point3d pt3D = new Point3d(ogrPt[0], ogrPt[1], ogrPt[2]);
                                                pt3D.Transform(Heron.Convert.WGSToXYZTransform());

                                                gset.Append(new GH_Point(pt3D), new GH_Path(i, iLayer, m, gi, n));

                                                ///Loop through geometry points for User SRS
                                                double[] ogrPtUser = new double[3];
                                                subsub_geomUser.GetPoint(ptnum, ogrPtUser);
                                                Point3d pt3DUser = new Point3d(ogrPtUser[0], ogrPtUser[1], ogrPtUser[2]);
                                                pt3DUser.Transform(userSRSToModelTransform);

                                                gsetUser.Append(new GH_Point(pt3DUser), new GH_Path(i, iLayer, m, gi, n));

                                                ///End loop through geometry points
                                            }
                                            subsub_geom.Dispose();
                                            subsub_geomUser.Dispose();
                                        }
                                    }

                                    else
                                    {
                                        for (int ptnum = 0; ptnum < sub_geom.GetPointCount(); ptnum++)
                                        {
                                            ///Loop through geometry points
                                            double[] ogrPt = new double[3];
                                            sub_geom.GetPoint(ptnum, ogrPt);
                                            Point3d pt3D = new Point3d(ogrPt[0], ogrPt[1], ogrPt[2]);
                                            pt3D.Transform(Heron.Convert.WGSToXYZTransform());

                                            gset.Append(new GH_Point(pt3D), new GH_Path(i, iLayer, m, gi));

                                            ///Loop through geometry points for User SRS
                                            double[] ogrPtUser = new double[3];
                                            sub_geomUser.GetPoint(ptnum, ogrPtUser);
                                            Point3d pt3DUser = new Point3d(ogrPtUser[0], ogrPtUser[1], ogrPtUser[2]);
                                            pt3DUser.Transform(userSRSToModelTransform);

                                            gsetUser.Append(new GH_Point(pt3DUser), new GH_Path(i, iLayer, m, gi));

                                            ///End loop through geometry points
                                        }
                                    }

                                    sub_geom.Dispose();
                                    sub_geomUser.Dispose();


                                    /// Get Feature Values
                                    if (fset.PathExists(new GH_Path(i, iLayer, m)))
                                    {
                                        fset.get_Branch(new GH_Path(i, iLayer, m)).Clear();
                                    }
                                    for (int iField = 0; iField < feat.GetFieldCount(); iField++)
                                    {
                                        OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
                                        if (feat.IsFieldSet(iField))
                                        {
                                            fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, iLayer, m));
                                        }
                                        else
                                        {
                                            fset.Append(new GH_String("null"), new GH_Path(i, iLayer, m));
                                        }
                                    }
                                    ///End Get Feature Values
                                }


                                //m++;
                            }
                            m++;
                            geom.Dispose();
                            geomUser.Dispose();
                            feat.Dispose();
                        } ///end while loop through features
                    }     ///end clipped layer else statement
                }         ///end loop through boundaries

                layer.Dispose();
            }///end loop through layers

            dataSource.Dispose();

            DA.SetDataTree(0, recs);
            DA.SetDataTree(1, spatialReferences);
            DA.SetDataTree(2, fnames);
            DA.SetDataTree(3, fset);
            DA.SetDataTree(4, gset);

            DA.SetDataTree(5, gsetUser);
            DA.SetDataTree(6, recsUser);

            DA.SetDataTree(7, gGoo);
            DA.SetDataTree(8, gtype);
        }
Exemple #8
0
        public static bool CovertRegion2Line(string path, string savePath)
        {
            try
            {
                OSGeo.OGR.Ogr.RegisterAll();
                OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
                if (dr == null)
                {
                    Console.WriteLine("启动驱动失败!\n");
                }

                OSGeo.OGR.DataSource ds    = dr.Open(path, 0);
                int             layerCount = ds.GetLayerCount();
                OSGeo.OGR.Layer layer      = ds.GetLayerByIndex(0);
                FeatureDefn     fdf        = layer.GetLayerDefn();
                int             fieldCount = fdf.GetFieldCount();

                // 创建数据源
                DataSource oDS = dr.CreateDataSource(savePath, null);
                if (oDS == null)
                {
                    Console.WriteLine("创建矢量文件【%s】失败!\n", savePath);
                    return(false);
                }
                OSGeo.OSR.SpatialReference srs = layer.GetSpatialRef();
                // 创建图层,创建一个多边形图层,这里没有指定空间参考,如果需要的话,需要在这里进行指定
                Layer oLayer = oDS.CreateLayer("line", srs, OSGeo.OGR.wkbGeometryType.wkbMultiLineString, null);

                if (oLayer == null)
                {
                    Console.WriteLine("图层创建失败!\n");
                    return(false);
                }
                for (int i = 0; i < fieldCount; i++)
                {
                    FieldDefn fieldDefn = fdf.GetFieldDefn(i);
                    oLayer.CreateField(fieldDefn, 1);
                }
                FeatureDefn       oDefn = oLayer.GetLayerDefn();
                OSGeo.OGR.Feature feat;
                while ((feat = layer.GetNextFeature()) != null)
                {
                    Feature            oFeatureMulty = new Feature(oDefn);
                    OSGeo.OGR.Geometry geometry      = feat.GetGeometryRef();
                    for (int i = 0; i < fieldCount; i++)
                    {
                        string value = feat.GetFieldAsString(i);
                        oFeatureMulty.SetField(i, value);
                    }
                    OSGeo.OGR.wkbGeometryType goetype = geometry.GetGeometryType();
                    if (goetype == OSGeo.OGR.wkbGeometryType.wkbPolygon)
                    {
                        Geometry tempGeo = new Geometry(wkbGeometryType.wkbMultiLineString);
                        int      count   = geometry.GetGeometryCount();
                        for (int j = 0; j < count; j++)
                        {
                            Geometry line = new Geometry(wkbGeometryType.wkbLinearRing);
                            Geometry geo  = geometry.GetGeometryRef(j);
                            for (int i = 0; i < geo.GetPointCount(); i++)
                            {
                                double x = geo.GetX(i);
                                double y = geo.GetY(i);
                                line.AddPoint(x, y, 0);
                            }
                            tempGeo.AddGeometryDirectly(line);
                        }
                        oFeatureMulty.SetGeometry(tempGeo);
                    }
                    oLayer.SetFeature(oFeatureMulty);
                }
                oLayer.Dispose();
                layer.Dispose();
                oDS.Dispose();
                ds.Dispose();
                dr.Dispose();
            }
            catch
            { }
            return(false);
        }
Exemple #9
0
        /// <summary>
        /// 转换并纠偏,只使用与火星坐标纠偏
        /// </summary>
        /// <param name="dataTable">数据表,如果是点表中含X,Y字段,如果是线和面,表中含有PATH字段</param>
        /// <param name="filePath">存储路径</param>
        /// <param name="geoType">数据类型,暂时支持简单的点线面</param>
        //public static void saveShpFile(DataTable dataTable,string filePath,wkbGeometryType geoType)
        //{
        //    saveShpFile(dataTable, filePath, geoType, ProjectConvert.GCJ_WGS);
        //}
        /// <summary>
        /// 导出shp数据到表格
        /// </summary>
        /// <param name="path">文件路径</param>
        /// <returns>DataTable</returns>
        public static DataTable GetData(string path)
        {
            try
            {
                OSGeo.OGR.Ogr.RegisterAll();
                OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");

                if (dr == null)
                {
                    Console.WriteLine("启动驱动失败!\n");
                }

                OSGeo.OGR.DataSource ds    = dr.Open(path, 0);
                int             layerCount = ds.GetLayerCount();
                OSGeo.OGR.Layer layer      = ds.GetLayerByIndex(0);
                DataTable       dataTable  = new DataTable();
                FeatureDefn     fdf        = layer.GetLayerDefn();
                int             fieldCount = fdf.GetFieldCount();
                for (int i = 0; i < fieldCount; i++)
                {
                    dataTable.Columns.Add(fdf.GetFieldDefn(i).GetName(), Type.GetType("System.String"));
                }
                if (fdf.GetGeomType() == OSGeo.OGR.wkbGeometryType.wkbPoint)
                {
                    if (!dataTable.Columns.Contains("X"))
                    {
                        dataTable.Columns.Add("X", Type.GetType("System.String"));
                    }
                    if (!dataTable.Columns.Contains("Y"))
                    {
                        dataTable.Columns.Add("Y", Type.GetType("System.String"));
                    }
                }
                else if (fdf.GetGeomType() == OSGeo.OGR.wkbGeometryType.wkbPolygon || fdf.GetGeomType() == OSGeo.OGR.wkbGeometryType.wkbLineString)
                {
                    if (!dataTable.Columns.Contains("PATH"))
                    {
                        dataTable.Columns.Add("PATH", Type.GetType("System.String"));
                    }
                }
                OSGeo.OGR.Feature feat;
                while ((feat = layer.GetNextFeature()) != null)
                {
                    DataRow            row      = dataTable.NewRow();
                    OSGeo.OGR.Geometry geometry = feat.GetGeometryRef();
                    for (int i = 0; i < fieldCount; i++)
                    {
                        string value = feat.GetFieldAsString(i);
                        row[i] = value.Replace(",", "");
                    }
                    OSGeo.OGR.wkbGeometryType goetype = geometry.GetGeometryType();
                    if (goetype == OSGeo.OGR.wkbGeometryType.wkbPoint)
                    {
                        double x = geometry.GetX(0);
                        double y = geometry.GetY(0);
                        row["X"] = x.ToString();
                        row["Y"] = y.ToString();
                    }
                    else if (goetype == OSGeo.OGR.wkbGeometryType.wkbLineString)
                    {
                        string points = "";
                        for (int i = 0; i < geometry.GetPointCount(); i++)
                        {
                            double x = geometry.GetX(i);
                            double y = geometry.GetY(i);
                            points += x.ToString() + "|" + y.ToString() + ";";
                        }
                        if (points != "")
                        {
                            points.Substring(0, points.Length - 1);
                        }
                        row["PATH"] = points;
                    }
                    else if (goetype == OSGeo.OGR.wkbGeometryType.wkbPolygon)
                    {
                        int    count  = geometry.GetGeometryCount();
                        string points = "";
                        for (int j = 0; j < count; j++)
                        {
                            Geometry geo = geometry.GetGeometryRef(j);
                            for (int i = 0; i < geo.GetPointCount(); i++)
                            {
                                double x = geo.GetX(i);
                                double y = geo.GetY(i);
                                points += x.ToString() + "|" + y.ToString() + ";";
                            }
                            if (points != "")
                            {
                                points.Substring(0, points.Length - 1);
                            }
                            points += "|";
                        }
                        if (points != "")
                        {
                            points.Substring(0, points.Length - 1);
                        }
                        row["PATH"] = points;
                    }
                }
                layer.Dispose();
                ds.Dispose();
                dr.Dispose();
                return(dataTable);
            }
            catch
            {
                return(null);
            }
        }
Exemple #10
0
        /// <summary>
        /// This is the method that actually does the work.
        /// </summary>
        /// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
        protected override void SolveInstance(IGH_DataAccess DA)
        {
            Curve boundary = null;

            DA.GetData <Curve>(0, ref boundary);

            int zoom = -1;

            DA.GetData <int>(1, ref zoom);

            string filePath = string.Empty;

            DA.GetData <string>(2, ref filePath);
            if (!filePath.EndsWith(@"\"))
            {
                filePath = filePath + @"\";
            }

            string prefix = string.Empty;

            DA.GetData <string>(3, ref prefix);
            if (prefix == "")
            {
                prefix = mbSource;
            }

            string URL = mbURL;

            string mbToken = string.Empty;

            DA.GetData <string>(4, ref mbToken);
            if (mbToken == "")
            {
                string hmbToken = System.Environment.GetEnvironmentVariable("HERONMAPBOXTOKEN");
                if (hmbToken != null)
                {
                    mbToken = hmbToken;
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Using Mapbox token stored in Environment Variable HERONMAPBOXTOKEN.");
                }
                else
                {
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "No Mapbox token is specified.  Please get a valid token from mapbox.com");
                    return;
                }
            }

            bool run = false;

            DA.GetData <bool>("Run", ref run);


            ///GDAL setup
            RESTful.GdalConfiguration.ConfigureOgr();
            OSGeo.OGR.Ogr.RegisterAll();
            RESTful.GdalConfiguration.ConfigureGdal();


            GH_Curve  imgFrame;
            GH_String tCount;
            GH_Structure <GH_String>        fnames        = new GH_Structure <GH_String>();
            GH_Structure <GH_String>        fvalues       = new GH_Structure <GH_String>();
            GH_Structure <IGH_GeometricGoo> gGoo          = new GH_Structure <IGH_GeometricGoo>();
            GH_Structure <GH_String>        gtype         = new GH_Structure <GH_String>();
            GH_Structure <IGH_GeometricGoo> gGooBuildings = new GH_Structure <IGH_GeometricGoo>();



            int tileTotalCount      = 0;
            int tileDownloadedCount = 0;

            ///Get image frame for given boundary
            if (!boundary.GetBoundingBox(true).IsValid)
            {
                AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Boundary is not valid.");
                return;
            }
            BoundingBox boundaryBox = boundary.GetBoundingBox(true);

            //create cache folder for vector tiles
            string        cacheLoc       = filePath + @"HeronCache\";
            List <string> cachefilePaths = new List <string>();

            if (!Directory.Exists(cacheLoc))
            {
                Directory.CreateDirectory(cacheLoc);
            }

            //tile bounding box array
            List <Point3d> boxPtList = new List <Point3d>();


            //get the tile coordinates for all tiles within boundary
            var ranges  = Convert.GetTileRange(boundaryBox, zoom);
            var x_range = ranges.XRange;
            var y_range = ranges.YRange;

            if (x_range.Length > 100 || y_range.Length > 100)
            {
                AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "This tile range is too big (more than 100 tiles in the x or y direction). Check your units.");
                return;
            }

            ///cycle through tiles to get bounding box
            List <Polyline> tileExtents = new List <Polyline>();
            List <double>   tileHeight  = new List <double>();
            List <double>   tileWidth   = new List <double>();

            for (int y = (int)y_range.Min; y <= y_range.Max; y++)
            {
                for (int x = (int)x_range.Min; x <= x_range.Max; x++)
                {
                    //add bounding box of tile to list for translation
                    Polyline tileExtent = Heron.Convert.GetTileAsPolygon(zoom, y, x);
                    tileExtents.Add(tileExtent);
                    tileWidth.Add(tileExtent[0].DistanceTo(tileExtent[1]));
                    tileHeight.Add(tileExtent[1].DistanceTo(tileExtent[2]));

                    boxPtList.AddRange(tileExtent.ToList());
                    cachefilePaths.Add(cacheLoc + mbSource.Replace(" ", "") + zoom + "-" + x + "-" + y + ".mvt");
                    tileTotalCount = tileTotalCount + 1;
                }
            }

            tCount = new GH_String(tileTotalCount + " tiles (" + tileDownloadedCount + " downloaded / " + (tileTotalCount - tileDownloadedCount) + " cached)");

            ///bounding box of tile boundaries
            BoundingBox bboxPts = new BoundingBox(boxPtList);

            ///convert bounding box to polyline
            List <Point3d> imageCorners = bboxPts.GetCorners().ToList();

            imageCorners.Add(imageCorners[0]);
            imgFrame = new GH_Curve(new Rhino.Geometry.Polyline(imageCorners).ToNurbsCurve());

            ///tile range as string for (de)serialization of TileCacheMeta
            string tileRangeString = "Tile range for zoom " + zoom.ToString() + ": "
                                     + x_range[0].ToString() + "-"
                                     + y_range[0].ToString() + " to "
                                     + x_range[1].ToString() + "-"
                                     + y_range[1].ToString();

            AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, tileRangeString);

            ///Query Mapbox URL
            ///download all tiles within boundary

            ///API to query
            string mbURLauth = mbURL + mbToken;

            if (run == true)
            {
                for (int y = (int)y_range.Min; y <= (int)y_range.Max; y++)
                {
                    for (int x = (int)x_range.Min; x <= (int)x_range.Max; x++)
                    {
                        //create tileCache name
                        string tileCache    = mbSource.Replace(" ", "") + zoom + "-" + x + "-" + y + ".mvt";
                        string tileCacheLoc = cacheLoc + tileCache;

                        //check cache folder to see if tile image exists locally
                        if (File.Exists(tileCacheLoc))
                        {
                        }

                        else
                        {
                            string urlAuth = Heron.Convert.GetZoomURL(x, y, zoom, mbURLauth);
                            System.Net.WebClient client = new System.Net.WebClient();
                            client.DownloadFile(urlAuth, tileCacheLoc);
                            client.Dispose();

                            ///https://gdal.org/development/rfc/rfc59.1_utilities_as_a_library.html
                            ///http://osgeo-org.1560.x6.nabble.com/gdal-dev-How-to-convert-shapefile-to-geojson-using-c-bindings-td5390953.html#a5391028
                            ///ogr2ogr is slow
                            //OSGeo.GDAL.Dataset httpDS = OSGeo.GDAL.Gdal.OpenEx("MVT:"+urlAuth,4,null,null,null);
                            //var transOptions = new OSGeo.GDAL.GDALVectorTranslateOptions(new[] { "-s_srs","EPSG:3857", "-t_srs", "EPSG:4326","-skipfailures" });
                            //var transDS = OSGeo.GDAL.Gdal.wrapper_GDALVectorTranslateDestName(mvtLoc + zoom + "-" + x + "-" + y , httpDS, transOptions, null, null);
                            //httpDS.Dispose();
                            //transDS.Dispose();

                            tileDownloadedCount = tileDownloadedCount + 1;
                        }
                    }
                }
            }

            //add to tile count total
            tCount = new GH_String(tileTotalCount + " tiles (" + tileDownloadedCount + " downloaded / " + (tileTotalCount - tileDownloadedCount) + " cached)");
            AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, tCount.ToString());


            ///Build a VRT file
            ///https://stackoverflow.com/questions/55386597/gdal-c-sharp-wrapper-for-vrt-doesnt-write-a-vrt-file

            //string vrtFile = cacheLoc + "mapboxvector.vrt";
            //AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, vrtFile);
            //var vrtOptions = new OSGeo.GDAL.GDALBuildVRTOptions(new[] { "-overwrite" });
            //var vrtDataset = OSGeo.GDAL.Gdal.wrapper_GDALBuildVRT_names(vrtFile, cachefilePaths.ToArray(), vrtOptions, null, null);
            //vrtDataset.Dispose();


            ///Set transform from input spatial reference to Rhino spatial reference
            ///TODO: look into adding a step for transforming to CRS set in SetCRS
            OSGeo.OSR.SpatialReference rhinoSRS = new OSGeo.OSR.SpatialReference("");
            rhinoSRS.SetWellKnownGeogCS("WGS84");

            ///TODO: verify the userSRS is valid
            ///TODO: use this as override of global SetSRS
            OSGeo.OSR.SpatialReference userSRS = new OSGeo.OSR.SpatialReference("");
            //userSRS.SetFromUserInput(userSRStext);
            userSRS.SetFromUserInput("WGS84");


            OSGeo.OSR.SpatialReference sourceSRS = new SpatialReference("");
            sourceSRS.SetFromUserInput("EPSG:3857");

            ///These transforms move and scale in order to go from userSRS to XYZ and vice versa
            Transform userSRSToModelTransform   = Heron.Convert.GetUserSRSToModelTransform(userSRS);
            Transform modelToUserSRSTransform   = Heron.Convert.GetModelToUserSRSTransform(userSRS);
            Transform sourceToModelSRSTransform = Heron.Convert.GetUserSRSToModelTransform(sourceSRS);
            Transform modelToSourceSRSTransform = Heron.Convert.GetModelToUserSRSTransform(sourceSRS);

            //OSGeo.GDAL.Driver gdalOGR = OSGeo.GDAL.Gdal.GetDriverByName("VRT");
            //var ds = OSGeo.GDAL.Gdal.OpenEx(vrtFile, 4, ["VRT","MVT"], null, null);


            int t = 0;

            foreach (string mvtTile in cachefilePaths)// cachefilePaths)
            {
                OSGeo.OGR.Driver     drv        = OSGeo.OGR.Ogr.GetDriverByName("MVT");
                OSGeo.OGR.DataSource ds         = OSGeo.OGR.Ogr.Open("MVT:" + mvtTile, 0);
                string[]             mvtOptions = new[] { "CLIP", "NO" };
                //OSGeo.OGR.DataSource ds = drv.Open(mvtTile, 0);

                if (ds == null)
                {
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "The vector datasource was unreadable by this component. It may not a valid file type for this component or otherwise null/empty.");
                    return;
                }

                ///Morph raw mapbox tile points to geolocated tile
                Vector3d  moveDir   = tileExtents[t].ElementAt(0) - new Point3d(0, 0, 0);
                Transform move      = Transform.Translation(moveDir);
                Transform scale     = Transform.Scale(Plane.WorldXY, tileWidth[t] / 4096, tileHeight[t] / 4096, 1);
                Transform scaleMove = Transform.Multiply(move, scale);

                for (int iLayer = 0; iLayer < ds.GetLayerCount(); iLayer++)
                {
                    OSGeo.OGR.Layer layer = ds.GetLayerByIndex(iLayer);

                    long count        = layer.GetFeatureCount(1);
                    int  featureCount = System.Convert.ToInt32(count);
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Layer #" + iLayer + " " + layer.GetName() + " has " + featureCount + " features");

                    //if (layer.GetName() == "admin" || layer.GetName() == "building")
                    //{

                    OSGeo.OGR.FeatureDefn def = layer.GetLayerDefn();

                    ///Get the field names
                    List <string> fieldnames = new List <string>();
                    for (int iAttr = 0; iAttr < def.GetFieldCount(); iAttr++)
                    {
                        OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iAttr);
                        fnames.Append(new GH_String(fdef.GetNameRef()), new GH_Path(iLayer, t));
                    }

                    ///Loop through geometry
                    OSGeo.OGR.Feature feat;

                    int m = 0;
                    ///error "Self-intersection at or near point..." when zoom gets below 12 for water
                    ///this is an issue with the way mvt simplifies geometries at lower zoom levels and is a known problem
                    ///TODO: look into how to fix invalid geom and return to the typical while loop iterating method
                    //while ((feat = layer.GetNextFeature()) != null)

                    while (true)
                    {
                        try
                        {
                            feat = layer.GetNextFeature();
                        }
                        catch
                        {
                            AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Some features had invalid geometry and were skipped.");
                            continue;
                        }

                        if (feat == null)
                        {
                            break;
                        }


                        OSGeo.OGR.Geometry geom = feat.GetGeometryRef();

                        ///reproject geometry to WGS84 and userSRS
                        ///TODO: look into using the SetCRS global variable here

                        gtype.Append(new GH_String(geom.GetGeometryName()), new GH_Path(iLayer, t, m));
                        Transform tr = scaleMove; // new Transform(1);

                        if (feat.GetGeometryRef() != null)
                        {
                            ///Convert GDAL geometries to IGH_GeometricGoo
                            foreach (IGH_GeometricGoo gMorphed in Heron.Convert.OgrGeomToGHGoo(geom, tr))
                            {
                                //gMorphed.Morph(morph);
                                gGoo.Append(gMorphed, new GH_Path(iLayer, t, m));
                            }

                            if (layer.GetName() == "building")
                            {
                                if (feat.GetFieldAsString(def.GetFieldIndex("extrude")) == "true")
                                {
                                    double unitsConversion = Rhino.RhinoMath.UnitScale(Rhino.RhinoDoc.ActiveDoc.ModelUnitSystem, Rhino.UnitSystem.Meters);
                                    double height          = System.Convert.ToDouble(feat.GetFieldAsString(def.GetFieldIndex("height"))) / unitsConversion;
                                    double min_height      = System.Convert.ToDouble(feat.GetFieldAsString(def.GetFieldIndex("min_height"))) / unitsConversion;
                                    bool   underground     = System.Convert.ToBoolean(feat.GetFieldAsString(def.GetFieldIndex("underground")));

                                    if (geom.GetGeometryType() == wkbGeometryType.wkbPolygon)
                                    {
                                        Extrusion        bldg    = Heron.Convert.OgrPolygonToExtrusion(geom, tr, height, min_height, underground);
                                        IGH_GeometricGoo bldgGoo = GH_Convert.ToGeometricGoo(bldg);
                                        gGooBuildings.Append(bldgGoo, new GH_Path(iLayer, t, m));
                                    }

                                    if (geom.GetGeometryType() == wkbGeometryType.wkbMultiPolygon)
                                    {
                                        List <Extrusion> bldgs = Heron.Convert.OgrMultiPolyToExtrusions(geom, tr, height, min_height, underground);
                                        foreach (Extrusion bldg in bldgs)
                                        {
                                            IGH_GeometricGoo bldgGoo = GH_Convert.ToGeometricGoo(bldg);
                                            gGooBuildings.Append(bldgGoo, new GH_Path(iLayer, t, m));
                                        }
                                    }
                                }
                            }

                            /// Get Feature Values
                            if (fvalues.PathExists(new GH_Path(iLayer, t, m)))
                            {
                                //fvalues.get_Branch(new GH_Path(iLayer, t, m)).Clear();
                            }

                            for (int iField = 0; iField < feat.GetFieldCount(); iField++)
                            {
                                OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
                                if (feat.IsFieldSet(iField))
                                {
                                    fvalues.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(iLayer, t, m));
                                }
                                else
                                {
                                    fvalues.Append(new GH_String("null"), new GH_Path(iLayer, t, m));
                                }
                            }
                        }
                        m++;
                        geom.Dispose();
                        feat.Dispose();
                    }///end while loop through features

                    //}///end layer by name

                    layer.Dispose();
                }///end loop through layers

                ds.Dispose();
                t++;
            }///end loop through mvt tiles

            //write out new tile range metadata for serialization
            TileCacheMeta = tileRangeString;



            DA.SetData(0, imgFrame);
            DA.SetDataTree(1, fnames);
            DA.SetDataTree(2, fvalues);
            DA.SetDataTree(3, gGoo);
            DA.SetDataList(4, "copyright Mapbox");
            DA.SetDataTree(5, gtype);
            DA.SetDataTree(6, gGooBuildings);
            DA.SetDataList(7, tileExtents);
        }
Exemple #11
0
        /// <summary>
        /// This is the method that actually does the work.
        /// </summary>
        /// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
        protected override void SolveInstance(IGH_DataAccess DA)
        {
            GH_Structure <IGH_GeometricGoo> gGoo = new GH_Structure <IGH_GeometricGoo>();

            DA.GetDataTree <IGH_GeometricGoo>("Feature Geometry", out gGoo);

            GH_Structure <GH_Number> bufferInt = new GH_Structure <GH_Number>();

            DA.GetDataTree <GH_Number>("Buffer Distance", out bufferInt);

            GH_Structure <IGH_GeometricGoo> gGooBuffered = new GH_Structure <IGH_GeometricGoo>();

            ///GDAL setup
            RESTful.GdalConfiguration.ConfigureOgr();

            ///Use WGS84 spatial reference
            OSGeo.OSR.SpatialReference dst = new OSGeo.OSR.SpatialReference("");
            dst.SetWellKnownGeogCS("WGS84");
            Transform transform    = new Transform(1); // Heron.Convert.XYZToWGSTransform();
            Transform revTransform = new Transform(1); //Heron.Convert.WGSToXYZTransform();

            ///Create virtual datasource to be converted later
            ///Using geojson as a flexiblle base file type which can be converted later with ogr2ogr
            OSGeo.OGR.Driver drv = Ogr.GetDriverByName("GeoJSON");
            DataSource       ds  = drv.CreateDataSource("/vsimem/out.geojson", null);

            ///Use OGR catch-all for geometry types
            var gtype = wkbGeometryType.wkbGeometryCollection;

            ///Create layer
            OSGeo.OGR.Layer layer = ds.CreateLayer("temp", dst, gtype, null);
            FeatureDefn     def   = layer.GetLayerDefn();

            var branchPaths = gGoo.Paths;

            for (int a = 0; a < gGoo.Branches.Count; a++)
            {
                ///create feature
                OSGeo.OGR.Feature feature = new OSGeo.OGR.Feature(def);

                ///Get geometry type(s) in branch
                var    geomList = gGoo.Branches[a];
                string geomType = string.Empty;

                List <string> geomTypeList = geomList.Select(o => o.TypeName).ToList();
                ///Test if geometry in the branch is of the same type.
                ///If there is more than one element of a type, tag as multi, if there is more than one type, tag as mixed
                if (geomTypeList.Count == 1)
                {
                    geomType = geomTypeList.First();
                }
                else if (geomTypeList.Count > 1 && geomTypeList.All(gt => gt == geomTypeList.First()))
                {
                    geomType = "Multi" + geomTypeList.First();
                }

                else
                {
                    geomType = "Mixed";
                }

                //var buffList = bufferInt.Branches[a];
                var buffList = new List <GH_Number>();
                //var path = new GH_Path(a);
                var path = branchPaths[a];
                if (path.Valid)
                {
                    buffList = (List <GH_Number>)bufferInt.get_Branch(path);
                }
                else
                {
                    buffList = bufferInt.Branches[0];
                }
                int buffIndex = 0;


                double buffDist = 0;
                GH_Convert.ToDouble(buffList[buffIndex], out buffDist, GH_Conversion.Primary);

                ///For testing
                //AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, geomType);

                ///Add geomtery to feature
                ///Create containers for translating from GH Goo
                Point3d        pt  = new Point3d();
                List <Point3d> pts = new List <Point3d>();

                Curve        crv  = null;
                List <Curve> crvs = new List <Curve>();

                Mesh mesh      = new Mesh();
                Mesh multiMesh = new Mesh();

                int quadsecs = 10;

                switch (geomType)
                {
                case "Point":
                    geomList.First().CastTo <Point3d>(out pt);
                    var bufferPt = Heron.Convert.Point3dToOgrPoint(pt, transform).Buffer(buffDist, quadsecs);
                    gGooBuffered.AppendRange(Heron.Convert.OgrGeomToGHGoo(bufferPt, revTransform), new GH_Path(a));
                    break;

                case "MultiPoint":
                    foreach (var point in geomList)
                    {
                        point.CastTo <Point3d>(out pt);
                        pts.Add(pt);
                    }
                    var bufferPts = Heron.Convert.Point3dsToOgrMultiPoint(pts, transform).Buffer(buffDist, quadsecs);
                    gGooBuffered.AppendRange(Heron.Convert.OgrGeomToGHGoo(bufferPts, revTransform), new GH_Path(a));
                    break;

                case "Curve":
                    geomList.First().CastTo <Curve>(out crv);
                    var bufferCrv = Heron.Convert.CurveToOgrLinestring(crv, transform).Buffer(buffDist, quadsecs);
                    gGooBuffered.AppendRange(Heron.Convert.OgrGeomToGHGoo(bufferCrv, revTransform), new GH_Path(a));
                    break;

                case "MultiCurve":
                    bool allClosed = true;
                    foreach (var curve in geomList)
                    {
                        curve.CastTo <Curve>(out crv);
                        if (!crv.IsClosed)
                        {
                            allClosed = false;
                        }
                        crvs.Add(crv);
                    }
                    if (allClosed)
                    {
                        var bufferCrvs = Heron.Convert.CurvesToOgrPolygon(crvs, transform).Buffer(buffDist, quadsecs);
                        gGooBuffered.AppendRange(Heron.Convert.OgrGeomToGHGoo(bufferCrvs, revTransform), new GH_Path(a));
                    }
                    else
                    {
                        var bufferCrvs = Heron.Convert.CurvesToOgrMultiLinestring(crvs, transform).Buffer(buffDist, quadsecs);
                        gGooBuffered.AppendRange(Heron.Convert.OgrGeomToGHGoo(bufferCrvs, revTransform), new GH_Path(a));
                    }

                    break;

                case "Mesh":
                    geomList.First().CastTo <Mesh>(out mesh);
                    mesh.Ngons.AddPlanarNgons(DocumentTolerance());
                    var bufferPoly = Ogr.ForceToMultiPolygon(Heron.Convert.MeshToMultiPolygon(mesh, transform)).Buffer(buffDist, quadsecs);
                    gGooBuffered.AppendRange(Heron.Convert.OgrGeomToGHGoo(bufferPoly, revTransform), new GH_Path(a));
                    break;

                case "MultiMesh":
                    foreach (var m in geomList)
                    {
                        Mesh meshPart = new Mesh();
                        m.CastTo <Mesh>(out meshPart);
                        meshPart.Ngons.AddPlanarNgons(DocumentTolerance());
                        multiMesh.Append(meshPart);
                    }
                    var bufferPolys = Ogr.ForceToMultiPolygon(Heron.Convert.MeshToMultiPolygon(multiMesh, transform)).Buffer(buffDist, quadsecs);
                    gGooBuffered.AppendRange(Heron.Convert.OgrGeomToGHGoo(bufferPolys, revTransform), new GH_Path(a));
                    break;

                case "Mixed":
                    OSGeo.OGR.Geometry geoCollection = new OSGeo.OGR.Geometry(wkbGeometryType.wkbGeometryCollection);
                    for (int gInt = 0; gInt < geomList.Count; gInt++)
                    {
                        string geomTypeMixed = geomTypeList[gInt];
                        switch (geomTypeMixed)
                        {
                        case "Point":
                            geomList[gInt].CastTo <Point3d>(out pt);
                            geoCollection.AddGeometry(Heron.Convert.Point3dToOgrPoint(pt, transform));
                            break;

                        case "Curve":
                            geomList[gInt].CastTo <Curve>(out crv);
                            geoCollection.AddGeometry(Heron.Convert.CurveToOgrLinestring(crv, transform));
                            break;

                        case "Mesh":
                            geomList[gInt].CastTo <Mesh>(out mesh);
                            geoCollection.AddGeometry(Ogr.ForceToMultiPolygon(Heron.Convert.MeshToMultiPolygon(mesh, transform)));
                            break;

                        default:
                            AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Not able to export " + geomType + " geometry at branch " + gGoo.get_Path(a).ToString() +
                                              ". Geometry must be a Point, Curve or Mesh.");
                            break;
                        }
                    }
                    var bufferCol = geoCollection.Buffer(buffDist, quadsecs);
                    gGooBuffered.AppendRange(Heron.Convert.OgrGeomToGHGoo(bufferCol, revTransform), new GH_Path(a));
                    break;


                default:
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Not able to export " + geomType + " geometry at branch " + gGoo.get_Path(a).ToString() +
                                      ". Geometry must be a Point, Curve or Mesh.");
                    break;
                }
            }

            def.Dispose();
            layer.Dispose();
            ds.Dispose();

            DA.SetDataTree(0, gGooBuffered);
        }
        public static Boolean CleanFileGDBNames(frmMain pFrm, string pTgtFileGDB, string pSrcPGeoMDB, string pTgtFeatClass)
        {
            try
            {
                // Connect to database
                var mOdbcConn = new OdbcConnection("Driver={Microsoft Access Driver (*.mdb, *.accdb)};Dbq=" + pSrcPGeoMDB + ";Uid=Admin;Pwd=;");

                // Load road names
                pFrm.Log("Start loading names");

                var mRoadNames = new Dictionary <int, DataRow>();

                var mDataAdapter = new OdbcDataAdapter(sqlStatements.selectRoadNamesSQL, mOdbcConn);
                var mDataTable   = new DataTable();
                mDataAdapter.Fill(mDataTable);

                int ctr1   = 0;
                int total1 = mDataTable.Rows.Count;

                foreach (DataRow mRow in mDataTable.Rows)
                {
                    int mRoadId;
                    if (int.TryParse(mRow["ADRROADID"].ToString(), out mRoadId))
                    {
                        mRoadNames.Add(mRoadId, mRow);
                    }
                    ctr1++;
                    if (ctr1 % 50 == 0)
                    {
                        Application.DoEvents();
                    }
                }
                pFrm.Log("Done loading road names");

                mOdbcConn.Close();
                mDataAdapter.Dispose();
                mDataAdapter = null;
                mOdbcConn.Dispose();
                mOdbcConn = null;

                // Load district names
                Gdal.SetConfigOption("SHAPE_ENCODING", "UTF-8");

                DataSource      districtDataSource = Ogr.Open(DistrictImport.GetShapefileName(), 0);
                OSGeo.OGR.Layer districtLayer      = districtDataSource.GetLayerByIndex(0);
                if (districtLayer == null)
                {
                    pFrm.Log("Could not load district names layer");
                    goto CleanUpDistricts;
                }

                pFrm.Log("Done loading district names");

                var mFileGDBDrv = OSGeo.OGR.Ogr.GetDriverByName("FileGDB");
                var mTgtDSrc    = mFileGDBDrv.Open(pTgtFileGDB, 1);
                var mTgtLyr     = mTgtDSrc.GetLayerByName(pTgtFeatClass);

                if (mTgtLyr == null)
                {
                    pFrm.Log("Could not open layer " + pTgtFeatClass + " for update");
                    goto CleanUp;
                }
                pFrm.Log("Opened target FileGDB for update");

                Feature mFeat = null;

                int mNumTgtFeats = mTgtLyr.GetFeatureCount(1);

                // Clean all existing district and street names
                pFrm.Log("Processing");

                for (int idxFeature = 0; idxFeature < mNumTgtFeats; idxFeature++)
                {
                    if (null != (mFeat = mTgtLyr.GetFeature(idxFeature)))
                    {
                        Geometry mGeometry = mFeat.GetGeometryRef();
                        double[] p         = new double[2];
                        mGeometry.GetPoint(0, p);

                        if (pTgtFeatClass == "Address_unit_signs")
                        {
                            int mRoadID = mFeat.GetFieldAsInteger("ROADID");
                            mFeat.SetField("ROADNAME_EN", mRoadNames.GetStringOrNull(mRoadID, "NAMEENGLISH"));
                            mFeat.SetField("ROADNAME_AR", mRoadNames.GetStringOrNull(mRoadID, "NAMEARABIC"));
                            mFeat.SetField("ROADNAME_POP_EN", null);
                            mFeat.SetField("ROADNAME_POP_AR", null);
                            mFeat.SetField("DESCRIPTION_EN", mRoadNames.GetStringOrNull(mRoadID, "DESCRIPTIONENGLISH"));
                            mFeat.SetField("DESCRIPTION_AR", mRoadNames.GetStringOrNull(mRoadID, "DESCRIPTIONARABIC"));
                        }
                        else if (pTgtFeatClass == "Street_name_signs")
                        {
                            int mRoadID1 = mFeat.GetFieldAsInteger("ROADID_P1");
                            int mRoadID2 = mFeat.GetFieldAsInteger("ROADID_P2");
                            mFeat.SetField("ROADNAME_EN_P1", mRoadNames.GetStringOrNull(mRoadID1, "NAMEENGLISH"));
                            mFeat.SetField("ROADNAME_AR_P1", mRoadNames.GetStringOrNull(mRoadID1, "NAMEARABIC"));
                            mFeat.SetField("ROADNAME_EN_P2", mRoadNames.GetStringOrNull(mRoadID2, "NAMEENGLISH"));
                            mFeat.SetField("ROADNAME_AR_P2", mRoadNames.GetStringOrNull(mRoadID2, "NAMEARABIC"));
                        }
                        else if (pTgtFeatClass == "Address_guide_sign")
                        {
                            int    mRoadID   = mFeat.GetFieldAsInteger("ROADID");
                            string tmpRoadEn = mRoadNames.GetStringOrNull(mRoadID, "NAMEENGLISH");
                            string tmpRoadAr = mRoadNames.GetStringOrNull(mRoadID, "NAMEARABIC");
                            mFeat.SetField("ROADNAME_EN", tmpRoadEn);
                            mFeat.SetField("ROADNAME_AR", tmpRoadAr);
                        }

                        districtLayer.SetSpatialFilter(mGeometry);
                        using (Feature matchDistrict = districtLayer.GetFeature(0))
                        {
                            if (matchDistrict != null &&
                                matchDistrict.IsFieldSet("NAMELATIN") &&
                                matchDistrict.IsFieldSet("NAMEARABIC"))
                            {
                                string tmpDistEn = matchDistrict.GetFieldAsString("NAMELATIN");
                                string tmpDistAr = matchDistrict.GetFieldAsString("NAMEARABIC");
                                mFeat.SetField("DISTRICT_EN", tmpDistEn);
                                mFeat.SetField("DISTRICT_AR", tmpDistAr);
                            }
                            else
                            {
                                mFeat.SetField("DISTRICT_EN", null);
                                mFeat.SetField("DISTRICT_AR", null);
                                pFrm.Log("No district name match for " + pTgtFeatClass + " with coordinates: " + p[0].ToString() + ", " + p[1].ToString());
                            }
                        }

                        Application.DoEvents();

                        mTgtLyr.SetFeature(mFeat);

DoEventsOnBatchSize:

                        if (idxFeature % 250 == 0 || idxFeature == mNumTgtFeats)
                        {
                            pFrm.Log("Processed " + idxFeature + " out of" + mNumTgtFeats + " features");
                            //Thread.Sleep(250);
                            mTgtLyr.SyncToDisk();
                        }

                        if (mGeometry != null)
                        {
                            mGeometry.Dispose();
                        }

                        if (mFeat != null)
                        {
                            mFeat.Dispose();
                        }
                    }
                }

CleanUp:

                if (mTgtLyr != null)
                {
                    mTgtLyr.Dispose();
                }
                if (mTgtDSrc != null)
                {
                    mTgtDSrc.Dispose();
                }
                if (mFileGDBDrv != null)
                {
                    mFileGDBDrv.Dispose();
                }

CleanUpDistricts:

                if (districtLayer != null)
                {
                    districtLayer.Dispose();
                }

                if (districtDataSource != null)
                {
                    districtDataSource.Dispose();
                }
            }
            catch (Exception ex)
            {
                pFrm.Log(ex.Message);
                pFrm.Log(ex.StackTrace);
                return(false);
            }
            return(true);
        }
        public static bool ExportSelectedDatabaseToGML(Action <string, bool> aLog, string pOutputFilename)
        {
            // Get database, return if no database selected
            if (frmMain.dbx == null)
            {
                aLog("Please select a database first...", true);
                return(false);
            }

            // Setup driver
            OSGeo.OGR.Driver drv = Ogr.GetDriverByName("GML");
            if (drv == null)
            {
                aLog("Could not load driver", true);
                return(false);
            }

            // Create fieldAttributes datasource
            DataSource ds = drv.CreateDataSource(pOutputFilename, null);

            if (ds == null)
            {
                aLog("Could not create datasource", true);
                return(false);
            }

            // Create fieldAttributes layer
            OSGeo.OGR.Layer l = ds.CreateLayer("AddressUnits", null, wkbGeometryType.wkbPoint, null);
            if (l == null)
            {
                aLog("Failed to create GML file: AddressUnits", true);
                return(false);
            }

            // Create fieldAttributes class to hold address unit data
            AddressUnit mAddressUnits = new AddressUnit();

            // Add fields to shapefile
            foreach (System.Reflection.FieldInfo mFld in mAddressUnits.GetType().GetFields())
            {
                var val       = (DatFld)mFld.GetValue(mAddressUnits);
                var mNewField = new FieldDefn(mFld.Name, val.type);
                if (val.type == FieldType.OFTString)
                {
                    mNewField.SetWidth(val.length);
                }
                if (Ogr.OGRERR_NONE != l.CreateField(mNewField, 1))
                {
                    aLog("Failed to add field: " + mFld.Name, true);
                }
            }

            int    ctr = 0;
            double mX, mY;

            var mAdmAdrFeature = new AddressUnitFeature(frmMain.dbx);

            DataTable mTable = mAdmAdrFeature.GetTable(sqlStatements.selectAddressUnitsSQL);

            // Add features
            foreach (DataRow mRow in mTable.Rows)
            {
                if (Double.TryParse(mRow["loc_x"].ToString(), out mX) && Double.TryParse(mRow["loc_y"].ToString(), out mY))
                {
                    var mFeature = new OSGeo.OGR.Feature(l.GetLayerDefn());
                    var mPoint   = new OSGeo.OGR.Geometry(wkbGeometryType.wkbPoint);

                    mPoint.SetPoint(0, mX, mY, 0);
                    mFeature.SetFID(ctr);
                    mFeature.SetGeometry(mPoint);
                    mFeature.SetField("ADDRESSUNITID", int.Parse(mRow["id"].ToString()));
                    mFeature.SetField("ROADID", int.Parse(mRow["road_id"].ToString()));
                    mFeature.SetField("ADDRESSUNITNR", int.Parse(mRow["addressUnitNumber"].ToString()));
                    mFeature.SetField("ROADNAME_EN", Utilities.GetANSI(mRow["NAMEENGLISH"].ToString()));
                    mFeature.SetField("ROADNAME_AR", Utilities.GetANSI(mRow["NAMEARABIC"].ToString()));
                    mFeature.SetField("DISTRICT_EN", Utilities.GetANSI(mRow["DISTRICT_EN"].ToString()));
                    mFeature.SetField("DISTRICT_AR", Utilities.GetANSI(mRow["DISTRICT_AR"].ToString()));
                    mFeature.SetField("MUNICIPALITY_EN", Utilities.GetANSI(Utilities.LABEL_ABUDHABI_EN));
                    mFeature.SetField("MUNICIPALITY_AR", Utilities.GetANSI(Utilities.LABEL_ABUDHABI_AR));
                    mFeature.SetField("QR_CODE", Utilities.GetANSI(mAdmAdrFeature.GetQRCode(mRow, mTable)));
                    l.CreateFeature(mFeature);
                }
                else
                {
                    Utilities.LogDebug("Error");
                }

                ctr++;
            }

            l.Dispose();
            ds.Dispose();
            drv.Dispose();
            return(true);
        }
Exemple #14
0
        public static void getH(string DSMfile, string oriShp)
        {
            Console.WriteLine("开始提取建筑高度!");
            Gdal.AllRegister();
            Ogr.RegisterAll();
            Stopwatch aTime = new Stopwatch(); aTime.Start();
            //创建一个BUFFER,BUFFER距离为1米
            string bufShp = bufferFile(oriShp, 1);

            //打开原文件和Buffer文件
            OSGeo.OGR.Driver dr    = Ogr.GetDriverByName("ESRI shapefile");
            DataSource       oriDs = dr.Open(oriShp, 1);
            DataSource       bufDs = dr.Open(bufShp, 0);

            OSGeo.OGR.Layer bufLayer = bufDs.GetLayerByIndex(0);
            OSGeo.OGR.Layer oriLayer = oriDs.GetLayerByIndex(0);

            //判断原文件中是否有以下字段,没有就创建
            if (oriLayer.FindFieldIndex("MIN", 1) == -1)
            {
                FieldDefn min = new FieldDefn("MIN", FieldType.OFTReal);
                oriLayer.CreateField(min, 1);
            }

            if (oriLayer.FindFieldIndex("MAX", 1) == -1)
            {
                FieldDefn max = new FieldDefn("MAX", FieldType.OFTReal);
                oriLayer.CreateField(max, 1);
            }

            if (oriLayer.FindFieldIndex("HIGHT", 1) == -1)
            {
                FieldDefn hight = new FieldDefn("HIGHT", FieldType.OFTReal);
                oriLayer.CreateField(hight, 1);
            }

            //打开栅格
            Dataset dsmDs = Gdal.Open(DSMfile, Access.GA_ReadOnly);

            double[] transfrom = new double[6];
            dsmDs.GetGeoTransform(transfrom);
            int allX = dsmDs.RasterXSize;
            int allY = dsmDs.RasterYSize;
            //开始计算每个Feature需要读取的栅格参数
            int featCount = oriLayer.GetFeatureCount(0);

            for (int i = 0; i < featCount; i++)
            {
                int[] subRasterOff_Size = subRasterInfo(transfrom, allX, allY, bufLayer.GetFeature(i));

                Feature oriFeat = oriLayer.GetFeature(i);
                Feature bufFeat = bufLayer.GetFeature(i);
                getMaxMinValue(dsmDs, oriFeat, bufFeat, subRasterOff_Size);
                oriLayer.SetFeature(oriFeat);
                oriFeat.Dispose();
                Console.WriteLine("当前处理:{0}/{1}", i, featCount);
            }
            oriLayer.Dispose();
            bufLayer.Dispose();
            oriDs.Dispose();
            bufDs.Dispose();
            dsmDs.Dispose();
            aTime.Stop();
            Console.WriteLine("建筑高度值提取完成!用时:{0}", aTime.Elapsed.ToString());
        }
Exemple #15
0
        /// <summary>
        /// This is the method that actually does the work.
        /// </summary>
        /// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
        protected override void SolveInstance(IGH_DataAccess DA)
        {
            ///TODO:    fix crash with "multi" types in a branch for shapefiles, can't create lines in a points layer
            ///         fix mesh/polygon face creation issue on sphere, dropping faces or flipped faces
            ///         fix swtich case for shapfiles so that points and multipoints (eg) are written to the same file. don't use switch anymore, us ifs
            ///         fix sql statements, they don't seem to have an effect.  Need these to work for pulling apart geometry collections.

            ///Gather GHA inputs
            string filename = string.Empty;

            DA.GetData <string>("Vector Data Filename", ref filename);

            string folder = string.Empty;

            DA.GetData <string>("Vector Data Folder", ref folder);
            folder = Path.GetFullPath(folder);
            if (!folder.EndsWith(Path.DirectorySeparatorChar.ToString()))
            {
                folder += Path.DirectorySeparatorChar;
            }

            string shpPath = folder + filename + drvExtension;
            ///for more than one geometry type, a list of files for shapefile output needs to be established
            List <string> shpPathList = new List <string>();
            List <string> shpTypeList = new List <string>();

            List <string> fields = new List <string>();

            DA.GetDataList <string>("Fields", fields);

            GH_Structure <GH_String> values = new GH_Structure <GH_String>();

            DA.GetDataTree <GH_String>("Values", out values);

            GH_Structure <IGH_GeometricGoo> gGoo = new GH_Structure <IGH_GeometricGoo>();

            DA.GetDataTree <IGH_GeometricGoo>("Feature Geometry", out gGoo);

            bool export = false;

            DA.GetData <bool>("Export", ref export);

            ///GDAL setup
            RESTful.GdalConfiguration.ConfigureOgr();
            OSGeo.GDAL.Gdal.SetConfigOption("OGR_SKIP", "KML");

            string driverType = drvType;

            //OSGeo.OGR.Driver drv = Ogr.GetDriverByName("LIBKML");// driverType);
            OSGeo.OGR.Driver drv = Ogr.GetDriverByName("GeoJSON");



            if (export == true)
            {
                ///File setup for save
                FileInfo file = new FileInfo(folder);
                file.Directory.Create();

                if (File.Exists(shpPath))
                {
                    drv.DeleteDataSource(shpPath);
                }

                ///Create virtual datasource to be converted later
                ///Using geojson as a flexiblle base file type which can be converted later with ogr2ogr
                DataSource ds = drv.CreateDataSource("/vsimem/out.geojson", null);

                ///Use WGS84 spatial reference
                OSGeo.OSR.SpatialReference dst = new OSGeo.OSR.SpatialReference("");
                dst.SetWellKnownGeogCS("WGS84");
                Transform transform = Heron.Convert.XYZToWGSTransform();

                ///Use OGR catch-all for geometry types
                var gtype = wkbGeometryType.wkbGeometryCollection;

                ///Create layer
                //string[] layerOptions = new string[] { "LIBKML_USE_SCHEMADATA=NO", "LIBKML_USE_SIMPLEFIELD=NO", "LIBKML_ALTITUDEMODE_FIELD=relativeToGround" };
                //string[] layerOptions = new string[] { "LIBKML_STRICT_COMPLIANCE=FALSE" };
                OSGeo.OGR.Layer layer = ds.CreateLayer(filename, dst, gtype, null);
                FeatureDefn     def   = layer.GetLayerDefn();

                ///Add fields to layer
                for (int f = 0; f < fields.Count; f++)
                {
                    OSGeo.OGR.FieldDefn fname = new OSGeo.OGR.FieldDefn(fields[f], OSGeo.OGR.FieldType.OFTString);
                    layer.CreateField(fname, f);
                }

                ///Specific fields for LIBKML for use in Google Earth
                ///See LIBMKL driver for more info https://gdal.org/drivers/vector/libkml.html
                if (drvType == "LIBKML")
                {
                    OSGeo.OGR.FieldDefn kmlFieldAltitudeMode = new OSGeo.OGR.FieldDefn("altitudeMode", OSGeo.OGR.FieldType.OFTString);
                    layer.CreateField(kmlFieldAltitudeMode, fields.Count());
                    //OSGeo.OGR.FieldDefn kmlFieldExtrude = new OSGeo.OGR.FieldDefn("tessellate", OSGeo.OGR.FieldType.OFTInteger);
                    //layer.CreateField(kmlFieldExtrude, fields.Count()+1);
                }


                for (int a = 0; a < gGoo.Branches.Count; a++)
                {
                    ///create feature
                    OSGeo.OGR.Feature feature = new OSGeo.OGR.Feature(def);

                    ///Set LIBKML specific fields for use in Google Earth, defaulting to 'relativeToGround'.  Consider setting to 'absolute'.
                    if (drvType == "LIBKML")
                    {
                        feature.SetField("altitudeMode", "relativeToGround");
                        //feature.SetField("altitudeMode", "absolute");
                        //feature.SetField("tessellate", 0);
                    }

                    ///TODO: Build style table
                    OSGeo.OGR.StyleTable styleTable = new StyleTable();
                    //feature.SetStyleString("BRUSH(fc:#0000FF);PEN(c:#000000)");

                    ///Get geometry type(s) in branch
                    var           geomList     = gGoo.Branches[a];
                    string        geomType     = string.Empty;
                    List <string> geomTypeList = geomList.Select(o => o.TypeName).ToList();
                    ///Test if geometry in the branch is of the same type.
                    ///If there is more than one element of a type, tag as multi, if there is more than one type, tag as mixed
                    if (geomTypeList.Count == 1)
                    {
                        geomType = geomTypeList.First();
                    }
                    else if (geomTypeList.Count > 1 && geomTypeList.All(gt => gt == geomTypeList.First()))
                    {
                        geomType = "Multi" + geomTypeList.First();
                    }

                    else
                    {
                        geomType = "Mixed";
                    }

                    ///For testing
                    //AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, geomType);

                    ///Add geomtery to feature
                    ///Create containers for translating from GH Goo
                    Point3d        pt  = new Point3d();
                    List <Point3d> pts = new List <Point3d>();

                    Curve        crv  = null;
                    List <Curve> crvs = new List <Curve>();

                    Mesh mesh      = new Mesh();
                    Mesh multiMesh = new Mesh();

                    switch (geomType)
                    {
                    case "Point":
                        geomList.First().CastTo <Point3d>(out pt);
                        feature.SetGeometry(Heron.Convert.Point3dToOgrPoint(pt, transform));
                        if (!shpTypeList.Contains("POINT"))
                        {
                            shpTypeList.Add("POINT");
                        }
                        break;

                    case "MultiPoint":
                        foreach (var point in geomList)
                        {
                            point.CastTo <Point3d>(out pt);
                            pts.Add(pt);
                        }
                        feature.SetGeometry(Heron.Convert.Point3dsToOgrMultiPoint(pts, transform));
                        if (!shpTypeList.Contains("MULTIPOINT"))
                        {
                            shpTypeList.Add("MULTIPOINT");
                        }
                        break;

                    case "Curve":
                        geomList.First().CastTo <Curve>(out crv);
                        feature.SetGeometry(Heron.Convert.CurveToOgrLinestring(crv, transform));
                        if (!shpTypeList.Contains("LINESTRING"))
                        {
                            shpTypeList.Add("LINESTRING");
                        }
                        break;

                    case "MultiCurve":
                        foreach (var curve in geomList)
                        {
                            curve.CastTo <Curve>(out crv);
                            crvs.Add(crv);
                        }
                        feature.SetGeometry(Heron.Convert.CurvesToOgrMultiLinestring(crvs, transform));
                        if (!shpTypeList.Contains("MULTILINESTRING"))
                        {
                            shpTypeList.Add("MULTILINESTRING");
                        }
                        break;

                    case "Mesh":
                        geomList.First().CastTo <Mesh>(out mesh);
                        feature.SetGeometry(Heron.Convert.MeshToMultiPolygon(mesh, transform));
                        if (!shpTypeList.Contains("MULTIPOLYGON"))
                        {
                            shpTypeList.Add("MULTIPOLYGON");
                        }
                        break;

                    case "MultiMesh":
                        foreach (var m in geomList)
                        {
                            Mesh meshPart = new Mesh();
                            m.CastTo <Mesh>(out meshPart);
                            multiMesh.Append(meshPart);
                        }
                        feature.SetGeometry(Heron.Convert.MeshToMultiPolygon(multiMesh, transform));
                        if (!shpTypeList.Contains("MULTIPOLYGON"))
                        {
                            shpTypeList.Add("MULTIPOLYGON");
                        }
                        break;

                    case "Mixed":
                        OSGeo.OGR.Geometry geoCollection = new OSGeo.OGR.Geometry(wkbGeometryType.wkbGeometryCollection);
                        for (int gInt = 0; gInt < geomList.Count; gInt++)
                        {
                            string geomTypeMixed = geomTypeList[gInt];
                            switch (geomTypeMixed)
                            {
                            case "Point":
                                geomList[gInt].CastTo <Point3d>(out pt);
                                geoCollection.AddGeometry(Heron.Convert.Point3dToOgrPoint(pt, transform));
                                break;

                            case "Curve":
                                geomList[gInt].CastTo <Curve>(out crv);
                                geoCollection.AddGeometry(Heron.Convert.CurveToOgrLinestring(crv, transform));
                                break;

                            case "Mesh":
                                geomList[gInt].CastTo <Mesh>(out mesh);
                                geoCollection.AddGeometry(Ogr.ForceToMultiPolygon(Heron.Convert.MeshToMultiPolygon(mesh, transform)));
                                break;

                            default:
                                AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Not able to export " + geomType + " geometry at branch " + gGoo.get_Path(a).ToString() +
                                                  ". Geometry must be a Point, Curve or Mesh.");
                                break;
                            }
                        }
                        feature.SetGeometry(geoCollection);
                        if (!shpTypeList.Contains("GEOMETRYCOLLECTION"))
                        {
                            shpTypeList.Add("GEOMETRYCOLLECTION");
                        }
                        break;

                    default:
                        AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Not able to export " + geomType + " geometry at branch " + gGoo.get_Path(a).ToString() +
                                          ". Geometry must be a Point, Curve or Mesh.");
                        break;
                    }



                    ///Give the feature a unique ID
                    feature.SetFID(a);

                    ///Add values to fields
                    GH_Path path = gGoo.get_Path(a);

                    for (int vInt = 0; vInt < fields.Count; vInt++)
                    {
                        string val = string.Empty;
                        if (values.get_Branch(path) != null)
                        {
                            val = values.get_DataItem(path, vInt).ToString();
                        }
                        feature.SetField(fields[vInt], val);
                    }

                    ///Save feature to layer
                    layer.CreateFeature(feature);

                    ///Cleanup
                    feature.Dispose();
                }

                layer.Dispose();
                ds.Dispose();
                drv.Dispose();

                ///Convert in memory dataset to file using ogr2ogr
                ///For KML set 'altitudeMode' to 'relativeToGround' or 'absolute'

                ///Set base options for all export types
                if (drvType == "KML")
                {
                    drvType = "LIBKML";
                }
                List <string> ogr2ogrOptions = new List <string> {
                    "-overwrite",
                    "-f", drvType,
                    "-dim", "XYZ",
                    "-skipfailures",

                    //"-lco", "LIBKML_STRICT_COMPLIANCE=FALSE",
                    //"-lco", "AltitudeMode=absolute",

                    //"-dsco", "SHAPE_REWIND_ON_WRITE=YES"
                };

                Dataset src = Gdal.OpenEx("/vsimem/out.geojson", 0, null, null, null);

                if (drvType != "ESRI Shapefile")
                {
                    Dataset destDataset = Gdal.wrapper_GDALVectorTranslateDestName(shpPath, src, new GDALVectorTranslateOptions(ogr2ogrOptions.ToArray()), null, null);
                    destDataset.Dispose();
                    shpPathList.Add(shpPath);
                }

                ///Export multiple layers for shapefile
                ///https://trac.osgeo.org/gdal/wiki/FAQVector#HowdoItranslateamixedgeometryfiletoshapefileformat
                else
                {
                    ///
                    if (shpTypeList.Count <= 1 && shpTypeList.First() != "GEOMETRYCOLLECTION")
                    {
                        if (shpTypeList.First() == "POLYGON" || shpTypeList.First() == "MULTIPOLYGON")
                        {
                            ogr2ogrOptions.AddRange(new List <string> {
                                "-lco", "SHPT=MULTIPATCH"
                            });
                        }
                        Dataset destDataset = Gdal.wrapper_GDALVectorTranslateDestName(shpPath, src, new GDALVectorTranslateOptions(ogr2ogrOptions.ToArray()), null, null);
                        destDataset.Dispose();
                        shpPathList.Add(shpPath);
                    }

                    else
                    {
                        ///Add -explodecollections for mixed geometries in a branch
                        ///"-where" statement is not necessary, but could speed up big datasets

                        string        shpFileName       = string.Empty;
                        List <string> ogr2ogrShpOptions = new List <string>();

                        if (shpTypeList.Contains("POINT") || shpTypeList.Contains("MULTIPOINT"))
                        {
                            shpFileName = folder + filename + "_points.shp";
                            shpPathList.Add(shpFileName);
                            List <string> ogr2ogrShpOptionsPts = new List <string> {
                                "-overwrite",
                                "-f", drvType,
                                "-dim", "XYZ",
                                "-skipfailures"
                            };
                            //ogr2ogrShpOptionsPts.AddRange(new List<string> { "-where", "ogr_geometry=POINT", "-where", "ogr_geometry=MULTIPOINT", "-lco", "SHPT=MULTIPOINTZ", "-nlt", "PROMOTE_TO_MULTI"});
                            ogr2ogrShpOptionsPts.AddRange(new List <string> {
                                "-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='MULTIPOINT' OR OGR_GEOMETRY='POINT'", "-lco", "SHPT=MULTIPOINTZ", "-nlt", "PROMOTE_TO_MULTI"
                            });
                            //ogr2ogrShpOptionsPts.AddRange(new List<string> { "-dialect", "sqlite", "-sql", "select * from " + filename + " where GeometryType(geometry) in ('POINT','MULTIPOINT')", "-lco", "SHPT=MULTIPOINTZ", "-nlt", "PROMOTE_TO_MULTI" });

                            Dataset destDatasetPoint = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsPts.ToArray()), null, null);
                            destDatasetPoint.Dispose();
                        }

                        if (shpTypeList.Contains("LINESTRING") || shpTypeList.Contains("MULTILINESTRING"))
                        {
                            shpFileName = folder + filename + "_lines.shp";
                            shpPathList.Add(shpFileName);
                            List <string> ogr2ogrShpOptionsLines = new List <string> {
                                "-overwrite",
                                "-f", drvType,
                                "-dim", "XYZ",
                                "-skipfailures"
                            };
                            //ogr2ogrShpOptionsLines.AddRange(new List<string> { "-where", "ogr_geometry=LINESTRING25D", "-where", "ogr_geometry=MULTILINESTRING25D", "-lco", "SHPT=ARCZ", "-nlt", "PROMOTE_TO_MULTI" });
                            ogr2ogrShpOptionsLines.AddRange(new List <string> {
                                "-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='LINESTRING' OR OGR_GEOMETRY='MULTILINESTRING'", "-lco", "SHPT=ARCZ", "-nlt", "PROMOTE_TO_MULTI"
                            });
                            //ogr2ogrShpOptionsLines.AddRange(new List<string> { "-dialect", "sqlite", "-sql", "select * from " + filename + " where GeometryType(geometry) in ('LINESTRING','MULTILINESTRING')", "-lco", "SHPT=ARCZ", "-nlt", "PROMOTE_TO_MULTI" });

                            Dataset destDatasetLinestring = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsLines.ToArray()), null, null);
                            destDatasetLinestring.Dispose();
                        }

                        if (shpTypeList.Contains("POLYGON") || shpTypeList.Contains("MULTIPOLYGON"))
                        {
                            shpFileName = folder + filename + "_polygons.shp";
                            shpPathList.Add(shpFileName);
                            List <string> ogr2ogrShpOptionsPolygons = new List <string> {
                                "-overwrite",
                                "-f", drvType,
                                "-dim", "XYZ",
                                "-skipfailures",
                                "-dsco", "SHAPE_REWIND_ON_WRITE=NO"
                            };
                            //ogr2ogrShpOptionsPolygons.AddRange(new List<string> { "-where", "ogr_geometry=POLYGON", "-where", "ogr_geometry=MULTIPOLYGON", "-lco", "SHPT=POLYGONZ", "-nlt", "PROMOTE_TO_MULTI" });
                            ogr2ogrShpOptionsPolygons.AddRange(new List <string> {
                                "-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='MULTIPOLYGON25D' OR OGR_GEOMETRY='POLYGON25D'", "-lco", "SHPT=POLYGONZ", "-nlt", "PROMOTE_TO_MULTI"
                            });
                            Dataset destDatasetPolygon = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsPolygons.ToArray()), null, null);
                            destDatasetPolygon.Dispose();
                        }

                        ///Not working properly when multiple geometry types are part of the same branch for SHP export.
                        if (shpTypeList.Contains("GEOMETRYCOLLECTION"))
                        {
                            AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "One or more branches contain a mix of geometry types.");
                            ///export points
                            shpFileName = folder + filename + "_gc-points.shp";
                            shpPathList.Add(shpFileName);
                            List <string> ogr2ogrShpOptionsGCPts = new List <string> {
                                "-overwrite",
                                "-f", drvType,
                                "-dim", "XYZ",
                                "-skipfailures"
                            };
                            ogr2ogrShpOptionsGCPts.AddRange(new List <string> {
                                "-explodecollections", "-where", "ogr_geometry=GEOMETRYCOLLECTION", "-lco", "SHPT=MULTIPOINTZ", "-nlt", "PROMOTE_TO_MULTI"
                            });
                            //ogr2ogrShpOptionsGCPts.AddRange(new List<string> { "-explodecollections", "-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='MULTIPOINT' OR OGR_GEOMETRY='POINT'", "-lco", "SHPT=MULTIPOINTZ", "-nlt", "PROMOTE_TO_MULTI" });

                            Dataset destDatasetGCPoints = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsGCPts.ToArray()), null, null);
                            destDatasetGCPoints.Dispose();

                            ///export lines
                            shpFileName = folder + filename + "_gc-lines.shp";
                            shpPathList.Add(shpFileName);
                            List <string> ogr2ogrShpOptionsGCLines = new List <string> {
                                "-overwrite",
                                "-f", drvType,
                                "-dim", "XYZ",
                                "-skipfailures"
                            };
                            ogr2ogrShpOptionsGCLines.AddRange(new List <string> {
                                "-explodecollections", "-where", "ogr_geometry=GEOMETRYCOLLECTION", "-lco", "SHPT=ARCZ", "-nlt", "PROMOTE_TO_MULTI"
                            });
                            //ogr2ogrShpOptionsGCLines.AddRange(new List<string> { "-explodecollections", "-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='MULTILINESTRING25D' OR OGR_GEOMETRY='LINESTRING25D'", "-lco", "SHPT=ARCZ", "-nlt", "PROMOTE_TO_MULTI" });
                            Dataset destDatasetGCLines = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsGCLines.ToArray()), null, null);
                            destDatasetGCLines.Dispose();

                            ///export meshes
                            shpFileName = folder + filename + "_gc-polygons.shp";
                            shpPathList.Add(shpFileName);
                            List <string> ogr2ogrShpOptionsGCPolygons = new List <string> {
                                "-overwrite",
                                "-f", drvType,
                                "-dim", "XYZ",
                                "-skipfailures",
                                "-dsco", "SHAPE_REWIND_ON_WRITE=NO"
                            };
                            ogr2ogrShpOptionsGCPolygons.AddRange(new List <string> {
                                "-explodecollections", "-where", "ogr_geometry=GEOMETRYCOLLECTION", "-lco", "SHPT=POLYGONZ", "-nlt", "PROMOTE_TO_MULTI"
                            });
                            //ogr2ogrShpOptionsGCPolygons.AddRange(new List<string> { "-explodecollections", "-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='MULTIPOLYGON' OR OGR_GEOMETRY='POLYGON'", "-lco", "SHPT=POLYGONZ", "-nlt", "PROMOTE_TO_MULTI" });
                            Dataset destDatasetGCPolygons = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsGCPolygons.ToArray()), null, null);
                            destDatasetGCPolygons.Dispose();
                        }
                    }
                }

                ///Clean up
                Gdal.Unlink("/vsimem/out.geojson");
            }

            DA.SetDataList(0, shpPathList);
        }
Exemple #16
0
        protected override void SolveInstance(IGH_DataAccess DA)
        {
            List <Curve> boundary = new List <Curve>();

            DA.GetDataList <Curve>(0, boundary);

            string shpFileLoc = "";

            DA.GetData <string>("Vector Data Location", ref shpFileLoc);

            ///GDAL setup
            ///Some preliminary testing has been done to read SHP, GeoJSON, OSM, KML, MVT, GML and GDB
            ///It can be spotty with KML, MVT and GML and doesn't throw informative errors.  Likely has to do with getting a valid CRS and
            ///TODO: resolve errors with reading KML, MVT, GML.

            RESTful.GdalConfiguration.ConfigureOgr();
            OSGeo.OGR.Ogr.RegisterAll();
            OSGeo.OGR.Driver     drv = OSGeo.OGR.Ogr.GetDriverByName("ESRI Shapefile");
            OSGeo.OGR.DataSource ds  = OSGeo.OGR.Ogr.Open(shpFileLoc, 0);

            if (ds == null)
            {
                AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "The vector datasource was unreadable by this component. It may not a valid file type for this component or otherwise null/empty.");
                return;
            }

            List <OSGeo.OGR.Layer> layerset = new List <OSGeo.OGR.Layer>();
            List <int>             fc       = new List <int>();

            for (int iLayer = 0; iLayer < ds.GetLayerCount(); iLayer++)
            {
                OSGeo.OGR.Layer layer = ds.GetLayerByIndex(iLayer);

                if (layer == null)
                {
                    Console.WriteLine("Couldn't fetch advertised layer " + iLayer);
                    System.Environment.Exit(-1);
                }
                else
                {
                    layerset.Add(layer);
                }
            }

            ///Declare trees
            GH_Structure <GH_String>    layname = new GH_Structure <GH_String>();
            GH_Structure <GH_Integer>   fcs     = new GH_Structure <GH_Integer>();
            GH_Structure <GH_Rectangle> recs    = new GH_Structure <GH_Rectangle>();
            GH_Structure <GH_String>    sRefs   = new GH_Structure <GH_String>();
            GH_Structure <GH_String>    fnames  = new GH_Structure <GH_String>();
            GH_Structure <GH_String>    fset    = new GH_Structure <GH_String>();
            GH_Structure <GH_Point>     gset    = new GH_Structure <GH_Point>();


            ///Loop through each layer. Layers usually occur in Geodatabase GDB format. SHP usually has only one layer.
            for (int iLayer = 0; iLayer < ds.GetLayerCount(); iLayer++)
            {
                OSGeo.OGR.Layer layer = ds.GetLayerByIndex(iLayer);

                if (layer == null)
                {
                    Console.WriteLine("Couldn't fetch advertised layer " + iLayer);
                    System.Environment.Exit(-1);
                }

                long count        = layer.GetFeatureCount(1);
                int  featureCount = System.Convert.ToInt32(count);
                fcs.Append(new GH_Integer(featureCount), new GH_Path(iLayer));

                layname.Append(new GH_String(layer.GetName()), new GH_Path(iLayer));


                ///Get OGR envelope of the data in the layer
                OSGeo.OGR.Envelope ext = new OSGeo.OGR.Envelope();
                layer.GetExtent(ext, 1);
                Point3d extMin = new Point3d();
                Point3d extMax = new Point3d();
                extMin.X = ext.MinX;
                extMin.Y = ext.MinY;
                extMax.X = ext.MaxX;
                extMax.Y = ext.MaxY;


                ///Get the spatial reference of the input vector file and set to WGS84 if not known
                OSGeo.OSR.SpatialReference sr = new SpatialReference(Osr.SRS_WKT_WGS84);
                string sRef = "";

                if (layer.GetSpatialRef() == null)
                {
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Coordinate Reference System (CRS) is missing.  CRS set automatically set to WGS84.");
                    sr.ImportFromXML(shpFileLoc);
                    string pretty = "";
                    sr.ExportToPrettyWkt(out pretty, 0);
                    AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, pretty);
                    sr.SetWellKnownGeogCS("WGS84");
                    sRef = "Coordinate Reference System (CRS) is missing.  CRS set automatically set to WGS84.";
                    //sr.ImportFromEPSG(2263);
                }
                else
                {
                    if (layer.GetSpatialRef().Validate() != 0)
                    {
                        AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Coordinate Reference System (CRS) is unknown or unsupported.  CRS set automatically set to WGS84.");
                        sr.SetWellKnownGeogCS("WGS84");
                        sRef = "Coordinate Reference System (CRS) is unknown or unsupported.  SRS set automatically set to WGS84.";
                    }
                    else
                    {
                        AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Coordinate Reference System (CRS) set from layer" + iLayer + ".");
                        sr = layer.GetSpatialRef();
                        sr.ExportToWkt(out sRef);
                    }
                }

                sRefs.Append(new GH_String(sRef), new GH_Path(iLayer));


                ///Set transform from input spatial reference to Rhino spatial reference
                ///TODO: look into adding a step for transforming to CRS set in SetCRS
                OSGeo.OSR.SpatialReference dst = new OSGeo.OSR.SpatialReference("");
                dst.SetWellKnownGeogCS("WGS84");
                OSGeo.OSR.CoordinateTransformation coordTransform = new OSGeo.OSR.CoordinateTransformation(sr, dst);
                OSGeo.OSR.CoordinateTransformation revTransform   = new OSGeo.OSR.CoordinateTransformation(dst, sr);


                ///Get bounding box of data in layer
                double[] extMinPT = new double[3] {
                    extMin.X, extMin.Y, extMin.Z
                };
                double[] extMaxPT = new double[3] {
                    extMax.X, extMax.Y, extMax.Z
                };
                coordTransform.TransformPoint(extMinPT);
                coordTransform.TransformPoint(extMaxPT);
                Point3d     extPTmin = new Point3d(extMinPT[0], extMinPT[1], extMinPT[2]);
                Point3d     extPTmax = new Point3d(extMaxPT[0], extMaxPT[1], extMaxPT[2]);
                Rectangle3d rec      = new Rectangle3d(Plane.WorldXY, Heron.Convert.ToXYZ(extPTmin), Heron.Convert.ToXYZ(extPTmax));
                recs.Append(new GH_Rectangle(rec), new GH_Path(iLayer));


                ///Loop through input boundaries
                for (int i = 0; i < boundary.Count; i++)
                {
                    OSGeo.OGR.FeatureDefn def = layer.GetLayerDefn();

                    ///Get the field names
                    List <string> fieldnames = new List <string>();
                    for (int iAttr = 0; iAttr < def.GetFieldCount(); iAttr++)
                    {
                        OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iAttr);
                        fnames.Append(new GH_String(fdef.GetNameRef()), new GH_Path(i, iLayer));
                    }

                    ///Check if boundary is contained in extent
                    if (!rec.IsValid || ((rec.Height == 0) && (rec.Width == 0)))
                    {
                        AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "One or more vector datasource bounds are not valid.");
                        OSGeo.OGR.Feature feat;
                        int m = 0;

                        while ((feat = layer.GetNextFeature()) != null)
                        {
                            ///Loop through field values
                            for (int iField = 0; iField < feat.GetFieldCount(); iField++)
                            {
                                OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
                                fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, iLayer, m));
                                fdef.Dispose();
                            }
                            m++;
                            feat.Dispose();
                        }
                    }

                    else if (boundary[i] == null)
                    {
                        AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Clipping boundary " + i + " not set.");
                    }

                    else if (!boundary[i].IsValid)
                    {
                        AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Clipping boundary " + i + "  is not valid.");
                    }

                    else if (rec.IsValid && Curve.PlanarClosedCurveRelationship(rec.ToNurbsCurve(), boundary[i], Plane.WorldXY, Rhino.RhinoDoc.ActiveDoc.ModelAbsoluteTolerance) == RegionContainment.Disjoint)
                    {
                        AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "One or more boundaries may be outside the bounds of the vector datasource.");
                    }

                    else
                    {
                        ///Create bounding box for clipping geometry
                        Point3d  min   = Heron.Convert.ToWGS(boundary[i].GetBoundingBox(true).Min);
                        Point3d  max   = Heron.Convert.ToWGS(boundary[i].GetBoundingBox(true).Max);
                        double[] minpT = new double[3];
                        double[] maxpT = new double[3];

                        minpT[0] = min.X;
                        minpT[1] = min.Y;
                        minpT[2] = min.Z;
                        maxpT[0] = max.X;
                        maxpT[1] = max.Y;
                        maxpT[2] = max.Z;
                        revTransform.TransformPoint(minpT);
                        revTransform.TransformPoint(maxpT);

                        ///Convert to OGR geometry
                        ///TODO: add conversion from GH geometry to OGR to Convert class
                        OSGeo.OGR.Geometry ebbox = OSGeo.OGR.Geometry.CreateFromWkt("POLYGON((" + minpT[0] + " " + minpT[1] + ", " + minpT[0] + " " + maxpT[1] + ", " + maxpT[0] + " " + maxpT[1] + ", " + maxpT[0] + " " + minpT[1] + ", " + minpT[0] + " " + minpT[1] + "))");

                        ///Clip Shapefile
                        ///http://pcjericks.github.io/py-gdalogr-cookbook/vector_layers.html
                        ///TODO: allow for polyline/curve as clipper, not just bounding box
                        OSGeo.OGR.Layer clipped_layer = layer;
                        clipped_layer.SetSpatialFilter(ebbox);

                        ///Loop through geometry
                        OSGeo.OGR.Feature feat;
                        def = clipped_layer.GetLayerDefn();

                        int m = 0;
                        while ((feat = clipped_layer.GetNextFeature()) != null)
                        {
                            OSGeo.OGR.Geometry geom = feat.GetGeometryRef();
                            OSGeo.OGR.Geometry sub_geom;

                            ///reproject geometry to WGS84
                            ///TODO: look into using the SetCRS global variable here
                            geom.Transform(coordTransform);

                            if (feat.GetGeometryRef() != null)
                            {
                                ///Start get points if open polylines and points
                                for (int gpc = 0; gpc < geom.GetPointCount(); gpc++)
                                {
                                    ///Loop through geometry points
                                    double[] pT = new double[3];
                                    pT[0] = geom.GetX(gpc);
                                    pT[1] = geom.GetY(gpc);
                                    pT[2] = geom.GetZ(gpc);
                                    if (Double.IsNaN(geom.GetZ(gpc)))
                                    {
                                        pT[2] = 0;
                                    }
                                    //coordTransform.TransformPoint(pT);

                                    Point3d pt3D = new Point3d();
                                    pt3D.X = pT[0];
                                    pt3D.Y = pT[1];
                                    pt3D.Z = pT[2];

                                    gset.Append(new GH_Point(Heron.Convert.ToXYZ(pt3D)), new GH_Path(i, iLayer, m));
                                    ///End loop through geometry points

                                    /// Get Feature Values
                                    if (fset.PathExists(new GH_Path(i, iLayer, m)))
                                    {
                                        fset.get_Branch(new GH_Path(i, iLayer, m)).Clear();
                                    }
                                    for (int iField = 0; iField < feat.GetFieldCount(); iField++)
                                    {
                                        OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
                                        if (feat.IsFieldSet(iField))
                                        {
                                            fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, iLayer, m));
                                        }
                                        else
                                        {
                                            fset.Append(new GH_String("null"), new GH_Path(i, iLayer, m));
                                        }
                                    }
                                    ///End Get Feature Values
                                }
                                ///End getting points if open polylines or points



                                ///Start getting points if closed polylines and multipolygons
                                for (int gi = 0; gi < geom.GetGeometryCount(); gi++)
                                {
                                    sub_geom = geom.GetGeometryRef(gi);
                                    OSGeo.OGR.Geometry subsub_geom;
                                    List <Point3d>     geom_list = new List <Point3d>();

                                    ///trouble getting all points.  this is a troubleshoot
                                    ///gset.Append(new GH_Point(new Point3d(0, 0, sub_geom.GetGeometryCount())), new GH_Path(i, iLayer, m, gi));

                                    if (sub_geom.GetGeometryCount() > 0)
                                    {
                                        for (int n = 0; n < sub_geom.GetGeometryCount(); n++)
                                        {
                                            subsub_geom = sub_geom.GetGeometryRef(n);
                                            for (int ptnum = 0; ptnum < subsub_geom.GetPointCount(); ptnum++)
                                            {
                                                ///Loop through geometry points
                                                double[] pT = new double[3];
                                                pT[0] = subsub_geom.GetX(ptnum);
                                                pT[1] = subsub_geom.GetY(ptnum);
                                                pT[2] = subsub_geom.GetZ(ptnum);

                                                Point3d pt3D = new Point3d();
                                                pt3D.X = pT[0];
                                                pt3D.Y = pT[1];
                                                pt3D.Z = pT[2];

                                                gset.Append(new GH_Point(Heron.Convert.ToXYZ(pt3D)), new GH_Path(i, iLayer, m, gi, n));
                                                ///End loop through geometry points
                                            }
                                            subsub_geom.Dispose();
                                        }
                                    }

                                    else
                                    {
                                        for (int ptnum = 0; ptnum < sub_geom.GetPointCount(); ptnum++)
                                        {
                                            ///Loop through geometry points
                                            double[] pT = new double[3];
                                            pT[0] = sub_geom.GetX(ptnum);
                                            pT[1] = sub_geom.GetY(ptnum);
                                            pT[2] = sub_geom.GetZ(ptnum);

                                            Point3d pt3D = new Point3d();
                                            pt3D.X = pT[0];
                                            pt3D.Y = pT[1];
                                            pt3D.Z = pT[2];

                                            gset.Append(new GH_Point(Heron.Convert.ToXYZ(pt3D)), new GH_Path(i, iLayer, m, gi));
                                            ///End loop through geometry points
                                        }
                                    }

                                    sub_geom.Dispose();

                                    /// Get Feature Values
                                    if (fset.PathExists(new GH_Path(i, iLayer, m)))
                                    {
                                        fset.get_Branch(new GH_Path(i, iLayer, m)).Clear();
                                    }
                                    for (int iField = 0; iField < feat.GetFieldCount(); iField++)
                                    {
                                        OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
                                        if (feat.IsFieldSet(iField))
                                        {
                                            fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, iLayer, m));
                                        }
                                        else
                                        {
                                            fset.Append(new GH_String("null"), new GH_Path(i, iLayer, m));
                                        }
                                    }
                                    ///End Get Feature Values
                                }
                                //m++;
                            }
                            m++;
                            feat.Dispose();
                        } ///end while loop through features
                    }
                }         //end loop through boundaries

                layer.Dispose();
            }///end loop through layers

            ds.Dispose();

            DA.SetDataTree(0, layname);
            DA.SetDataTree(1, fcs);
            DA.SetDataTree(2, recs);
            DA.SetDataTree(3, sRefs);
            DA.SetDataTree(4, fnames);
            DA.SetDataTree(5, fset);
            DA.SetDataTree(6, gset);
        }