private SpatialEnvelope calculateEnvelope(Geometry geom) { Envelope env = new Envelope(); geom.GetEnvelope(env); SpatialEnvelope ogrenv = new SpatialEnvelope(env.MinX, env.MinY, env.MaxX, env.MaxY); return ogrenv; }
static void CreateIndexes(DataSource OGRDataSource, string MSSQLConnectionString) { // Create coordinate transformation SpatialReference sourceSRS = new SpatialReference(""); sourceSRS.ImportFromEPSG(4326); SpatialReference targetSRS = new SpatialReference(""); targetSRS.ImportFromEPSG(900913); CoordinateTransformation transform = new CoordinateTransformation(sourceSRS, targetSRS); for (int iLayer = 0; iLayer < OGRDataSource.GetLayerCount(); iLayer++) { Layer OGRLayer = OGRDataSource.GetLayerByIndex(iLayer); string layerName = OGRLayer.GetName(); // Get extent in EPSG:900913 Envelope extent = new Envelope(); OGRLayer.GetExtent(extent,0); double[] ll = new double[] { extent.MinX, extent.MinY }; double[] ur = new double[] { extent.MaxX, extent.MaxY }; transform.TransformPoint(ll); transform.TransformPoint(ur); using (SqlConnection con = new SqlConnection(MSSQLConnectionString)) { con.Open(); try { // Create primary key/clustered index string pkSQL = string.Format("ALTER TABLE [{0}] ADD CONSTRAINT [PK_{0}] PRIMARY KEY CLUSTERED([id] ASC) WITH (SORT_IN_TEMPDB = ON);", layerName); using (SqlCommand pkCmd = new SqlCommand(pkSQL, con)) { log(TraceLevel.Info, string.Format("Creating clustured index pk_{0} on table {0}...", layerName)); pkCmd.CommandTimeout = 0; pkCmd.ExecuteNonQuery(); } // Create spatial index OGRLayer.GetExtent(extent, 0); string sidxSQL = string.Format("CREATE SPATIAL INDEX sidx_{0}_ogr_geometry ON [{0}](ogr_geometry) WITH (BOUNDING_BOX = ( {1}, {2}, {3}, {4} ), SORT_IN_TEMPDB = ON );", layerName, ll[0], ll[1], ur[0], ur[1]); using (SqlCommand sidxCmd = new SqlCommand(sidxSQL, con)) { log(TraceLevel.Info, string.Format("Creating spatial index sidx_{0}_ogr_geometry on table {0}...", layerName)); sidxCmd.CommandTimeout = 0; sidxCmd.ExecuteNonQuery(); } } catch (Exception e) { log(TraceLevel.Error, e.Message); Environment.Exit(1); } } } }
public static HandleRef getCPtrAndSetReference(Envelope obj, object parent) { if (obj != null) { obj.swigParentRef = parent; return obj.swigCPtr; } else { return new HandleRef(null, IntPtr.Zero); } }
public static HandleRef getCPtrAndDisown(Envelope obj, object parent) { if (obj != null) { obj.swigCMemOwn = false; obj.swigParentRef = parent; return obj.swigCPtr; } else { return new HandleRef(null, IntPtr.Zero); } }
/// <summary> /// Boundingbox of the dataset /// </summary> /// <returns>boundingbox</returns> public virtual Envelope GetExtents() { if (this.envelope == null) { using (var ogrEnvelope = new OgrEnvelope()) { int i = ogrLayer.GetExtent(ogrEnvelope, 1); envelope = new Envelope(ogrEnvelope.MinX, ogrEnvelope.MaxX, ogrEnvelope.MinY, ogrEnvelope.MaxY); } } return(envelope); }
public bool Insert(Feature f) { bool result = false; NoteData data = new NoteData(); data.fea = f; var geo = data.fea.GetGeometryRef(); Assert.IsNotNull(geo); OSGeo.OGR.Envelope envogr = new OSGeo.OGR.Envelope(); geo.GetEnvelope(envogr); Enyim.Collections.Envelope env = new Enyim.Collections.Envelope(envogr.MinX, envogr.MinY, envogr.MaxX, envogr.MaxY); envogr.Dispose(); RTreeNode <NoteData> node = new RTreeNode <NoteData>(data, env); tree.Insert(node, env); result = true; return(result); }
public virtual IMetadata GetMetadata() { if (this._Layer == null) { return(null); } //计算图像大小-按数据边界 OSGeo.OGR.Envelope envelope = new OSGeo.OGR.Envelope(); this._Layer.GetExtent(envelope, 1); //提取图像参数值 MetadataR pMeta = new MetadataR(); pMeta.MinX = Math.Round(envelope.MinX, 8); pMeta.MaxX = Math.Round(envelope.MaxX, 8); pMeta.MinY = Math.Round(envelope.MinY, 8); pMeta.MaxY = Math.Round(envelope.MaxY, 8); pMeta.IsNorthern = (pMeta.MinY > 0); return(pMeta); }
/************************************* 判断两个Featuer是否重复 *************************************************/ /// <summary> /// 判断两个Featuer是否重复,ori 当前Feat,next 目标Feat /// </summary> /// <param name="ori"></param> /// <param name="next"></param> /// <returns></returns> public static bool isSame(OSGeo.OGR.Feature ori, OSGeo.OGR.Feature next, double fanWei = 0.1) { OSGeo.OGR.Ogr.RegisterAll(); OSGeo.OGR.Geometry oriGeom = ori.GetGeometryRef(); OSGeo.OGR.Envelope oriEnve = new OSGeo.OGR.Envelope(); oriGeom.GetEnvelope(oriEnve); OSGeo.OGR.Geometry nextGeom = next.GetGeometryRef(); OSGeo.OGR.Envelope nextEnve = new OSGeo.OGR.Envelope(); nextGeom.GetEnvelope(nextEnve); double oriArea = oriGeom.GetArea(); double nextArea = nextGeom.GetArea(); bool res = Math.Abs(oriEnve.MaxX - nextEnve.MaxX) < fanWei && //外接矩形差 Math.Abs(oriEnve.MaxY - nextEnve.MaxY) < fanWei && Math.Abs(oriEnve.MinX - nextEnve.MinX) < fanWei && Math.Abs(oriEnve.MinY - nextEnve.MinY) < fanWei; //面积? && Math.Abs(oriArea - nextArea) < 0.1; oriGeom.Dispose(); oriEnve.Dispose(); nextGeom.Dispose(); nextEnve.Dispose(); return(res); }
/// <summary> /// Boundingbox of the dataset /// </summary> /// <returns>boundingbox</returns> public IEnvelope GetExtents() { if (this._bbox == null) { OSGeo.OGR.Envelope _OgrEnvelope = new Envelope(); int i = _OgrLayer.GetExtent(_OgrEnvelope, 1); this._bbox = SharpMap.Converters.Geometries.GeometryFactory.CreateEnvelope( _OgrEnvelope.MinX, _OgrEnvelope.MinY, _OgrEnvelope.MaxX, _OgrEnvelope.MaxY); } return _bbox; }
protected override void SolveInstance(IGH_DataAccess DA) { List <Curve> boundary = new List <Curve>(); DA.GetDataList <Curve>(0, boundary); string shpFileLoc = ""; DA.GetData <string>("Shapefile Location", ref shpFileLoc); ////int SRef = 3857; GdalConfiguration.ConfigureOgr(); GdalConfiguration.ConfigureGdal(); OSGeo.OGR.Driver drv = OSGeo.OGR.Ogr.GetDriverByName("ESRI Shapefile"); OSGeo.OGR.DataSource ds = OSGeo.OGR.Ogr.Open(shpFileLoc, 0); 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("FAILURE: Couldn't fetch advertised layer " + iLayer); System.Environment.Exit(-1); } long count = layer.GetFeatureCount(1); int featureCount = System.Convert.ToInt32(count); fc.Add(featureCount); layerset.Add(layer); } //Get OGR envelope of Shapefile OSGeo.OGR.Envelope ext = new OSGeo.OGR.Envelope(); layerset[0].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; OSGeo.OSR.SpatialReference sr = layerset[0].GetSpatialRef(); OSGeo.OSR.SpatialReference dst = new OSGeo.OSR.SpatialReference(""); dst.SetWellKnownGeogCS("WGS84"); //Get the spatial refernce of the input Shapefile string sRef; sr.ExportToWkt(out sRef); 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 Shapefile 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)); //Declare trees GH_Structure <GH_String> fset = new GH_Structure <GH_String>(); GH_Structure <GH_Point> gset = new GH_Structure <GH_Point>(); GH_Structure <GH_String> layname = new GH_Structure <GH_String>(); OSGeo.OGR.FeatureDefn def = layerset[0].GetLayerDefn(); //Loop through input boundaries for (int i = 0; i < boundary.Count; i++) { if (rec.BoundingBox.Contains(boundary[i].GetBoundingBox(true).Min) && (rec.BoundingBox.Contains(boundary[i].GetBoundingBox(true).Max))) { //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); OSGeo.OGR.Geometry bbox = OSGeo.OGR.Geometry.CreateFromWkt("POLYGON((" + min.X + " " + min.Y + ", " + min.X + " " + max.Y + ", " + max.X + " " + max.Y + ", " + max.X + " " + min.Y + ", " + min.X + " " + min.Y + "))"); 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 OSGeo.OGR.Layer clipped_layer = layerset[0]; clipped_layer.SetSpatialFilter(ebbox); //Loop through geometry OSGeo.OGR.Feature feat; def = clipped_layer.GetLayerDefn(); int m = 0; while ((feat = layerset[0].GetNextFeature()) != null) { if (feat.GetGeometryRef() != null) { //Get geometry points and field values OSGeo.OGR.Geometry geom = feat.GetGeometryRef(); OSGeo.OGR.Geometry sub_geom; //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, m)); //End loop through geometry points // Get Feature Values if (fset.PathExists(new GH_Path(i, m))) { fset.get_Branch(new GH_Path(i, 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, m)); } else { fset.Append(new GH_String("null"), new GH_Path(i, 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); List <Point3d> geom_list = new List <Point3d>(); 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); 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, m, gi)); //End loop through geometry points // Get Feature Values if (fset.PathExists(new GH_Path(i, m))) { fset.get_Branch(new GH_Path(i, 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, m)); } else { fset.Append(new GH_String("null"), new GH_Path(i, m)); } } //End Get Feature Values } //End getting points from closed polylines } m++; } feat.Dispose(); } } else { AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "One or more boundaries may be outside the bounds of the Shapefile dataset."); //return; } } //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); fieldnames.Add(fdef.GetNameRef()); } DA.SetData(0, def.GetName()); DA.SetDataList(1, fc); DA.SetData(2, rec); DA.SetData(3, sRef); DA.SetDataList(4, fieldnames); DA.SetDataTree(5, fset); DA.SetDataTree(6, gset); }
public int GetExtent(Envelope extent, int force) { int ret = OgrPINVOKE.Layer_GetExtent(swigCPtr, Envelope.getCPtr(extent), force); if (OgrPINVOKE.SWIGPendingException.Pending) throw OgrPINVOKE.SWIGPendingException.Retrieve(); return ret; }
public static void ConvertFeatureToRaster(Layer layer, out Dataset outputDataset, double rasterCellSize, string fieldName) { DriverUtils.RegisterGdalOgrDrivers(); Envelope envelope = new Envelope(); layer.GetExtent(envelope, 0); //Compute the out raster cell resolutions int x_res = Convert.ToInt32((envelope.MaxX - envelope.MinX) / rasterCellSize); int y_res = Convert.ToInt32((envelope.MaxY - envelope.MinY) / rasterCellSize); //Console.WriteLine("Extent: " + envelope.MaxX + " " + envelope.MinX + " " + envelope.MaxY + " " + envelope.MinY); //Console.WriteLine("X resolution: " + x_res); //Console.WriteLine("X resolution: " + y_res); //Create new tiff in disk string tempRaster = "tempZoneRaster.tif"; if (File.Exists(tempRaster)) { File.Delete(tempRaster); } OSGeo.GDAL.Driver outputDriver = Gdal.GetDriverByName("GTiff"); outputDataset = outputDriver.Create(tempRaster, x_res, y_res, 1, DataType.GDT_Int32, null); //Extrac srs from input feature string inputShapeSrs; SpatialReference spatialRefrence = layer.GetSpatialRef(); spatialRefrence.ExportToWkt(out inputShapeSrs); //Assign input feature srs to outpur raster outputDataset.SetProjection(inputShapeSrs); //Geotransform double[] argin = new double[] { envelope.MinX, rasterCellSize, 0, envelope.MaxY, 0, -rasterCellSize }; outputDataset.SetGeoTransform(argin); //Set no data Band band = outputDataset.GetRasterBand(1); //band.SetNoDataValue(GdalUtilConstants.NoDataValue); band.Fill(GdalUtilConstants.NoDataValue, 0.0); //Feature to raster rasterize layer options //No of bands (1) int[] bandlist = new int[] { 1 }; //Values to be burn on raster (10.0) double[] burnValues = new double[] { 10.0 }; //Dataset myDataset = Gdal.Open(outputRasterFile, Access.GA_Update); //additional options string[] rasterizeOptions; //rasterizeOptions = new string[] { "ALL_TOUCHED=TRUE", "ATTRIBUTE=" + fieldName }; //To set all touched pixels into raster pixel rasterizeOptions = new string[] { "ATTRIBUTE=" + fieldName }; //Rasterize layer //Gdal.RasterizeLayer(myDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, null, null, null); // To burn the given burn values instead of feature attributes //Gdal.RasterizeLayer(outputDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, rasterizeOptions, new Gdal.GDALProgressFuncDelegate(ProgressFunc), "Raster conversion"); Gdal.RasterizeLayer(outputDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, rasterizeOptions, null, null); }
public static HandleRef getCPtr(Envelope obj) { return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr; }
/// <summary> /// Boundingbox of the dataset /// </summary> /// <returns>boundingbox</returns> public virtual IEnvelope GetExtents() { if (this.envelope == null) { using (var ogrEnvelope = new Envelope()) { int i = ogrLayer.GetExtent(ogrEnvelope, 1); envelope = GeometryFactory.CreateEnvelope(ogrEnvelope.MinX, ogrEnvelope.MaxX, ogrEnvelope.MinY, ogrEnvelope.MaxY); } } return envelope; }
//http://www.gisremotesensing.com/2015/09/vector-to-raster-conversion-using-gdal-c.html public static void Rasterize(string inputFeature, string outRaster, string fieldName, int cellSize) { // Define pixel_size and NoData value of new raster int rasterCellSize = cellSize; const double noDataValue = -9999; string outputRasterFile = outRaster; //Register the vector drivers Ogr.RegisterAll(); //Reading the vector data DataSource dataSource = Ogr.Open(inputFeature, 0); var count = dataSource.GetLayerCount(); Layer layer = dataSource.GetLayerByIndex(0); var litems = layer.GetFeatureCount(0); var lname= layer.GetName(); Envelope envelope = new Envelope(); layer.GetExtent(envelope, 0); //Compute the out raster cell resolutions int x_res = Convert.ToInt32((envelope.MaxX - envelope.MinX) / rasterCellSize); int y_res = Convert.ToInt32((envelope.MaxY - envelope.MinY) / rasterCellSize); Console.WriteLine("Extent: " + envelope.MaxX + " " + envelope.MinX + " " + envelope.MaxY + " " + envelope.MinY); Console.WriteLine("X resolution: " + x_res); Console.WriteLine("X resolution: " + y_res); //Register the raster drivers Gdal.AllRegister(); //Check if output raster exists & delete (optional) if (File.Exists(outputRasterFile)) { File.Delete(outputRasterFile); } //Create new tiff OSGeo.GDAL.Driver outputDriver = Gdal.GetDriverByName("GTiff"); Dataset outputDataset = outputDriver.Create(outputRasterFile, x_res, y_res, 1, DataType.GDT_Float64, null); //Extrac srs from input feature string inputShapeSrs; SpatialReference spatialRefrence = layer.GetSpatialRef(); spatialRefrence.ExportToWkt(out inputShapeSrs); //Assign input feature srs to outpur raster outputDataset.SetProjection(inputShapeSrs); //Geotransform double[] argin = new double[] { envelope.MinX, rasterCellSize, 0, envelope.MaxY, 0, -rasterCellSize }; outputDataset.SetGeoTransform(argin); //Set no data Band band = outputDataset.GetRasterBand(1); band.SetNoDataValue(noDataValue); //close tiff outputDataset.FlushCache(); outputDataset.Dispose(); //Feature to raster rasterize layer options //No of bands (1) int[] bandlist = new int[] { 1 }; //Values to be burn on raster (10.0) double[] burnValues = new double[] { 10.0 }; Dataset myDataset = Gdal.Open(outputRasterFile, Access.GA_Update); //additional options string[] rasterizeOptions; //rasterizeOptions = new string[] { "ALL_TOUCHED=TRUE", "ATTRIBUTE=" + fieldName }; //To set all touched pixels into raster pixel rasterizeOptions = new string[] { "ATTRIBUTE=" + fieldName }; //Rasterize layer //Gdal.RasterizeLayer(myDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, null, null, null); // To burn the given burn values instead of feature attributes Gdal.RasterizeLayer(myDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, rasterizeOptions, new Gdal.GDALProgressFuncDelegate(ProgressFunc), "Raster conversion"); }
public static void AnalyzeRoadBoundingBoxes(string pMdbFile, string pLogFile, Action <Object, bool> aLog, int pOnlyApproved = 0) { var roadSuspects = new List <RoadSuspect>(); // Setup SQL string to select all or only some streets string sql; if (pOnlyApproved == 1) { sql = "SELECT ADRROADID, NAMEENGLISH, NAMEARABIC, NAMEPOPULARENGLISH, NAMEPOPULARARABIC, ROADTYPE, ADRDISTRICTID, APPROVED FROM ADM_ADRROAD WHERE APPROVED = 1 ORDER BY ADRROADID"; } else { sql = "SELECT ADRROADID, NAMEENGLISH, NAMEARABIC, NAMEPOPULARENGLISH, NAMEPOPULARARABIC, ROADTYPE, ADRDISTRICTID, APPROVED FROM ADM_ADRROAD ORDER BY ADRROADID"; } // Setup fieldAttributes dictionary to hold road names var mRoads = new Dictionary <int, DataRow>(); // Connect to database and load names var mOdbcConn = new OdbcConnection("Driver={Microsoft Access Driver (*.mdb, *.accdb)};Dbq=" + pMdbFile + ";Uid=Admin;Pwd=;"); var mDataAdapter = new OdbcDataAdapter(sql, 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)) { mRoads.Add(mRoadId, mRow); } ctr1++; if (ctr1 % 100 == 0) { double mFraction1 = (((double)ctr1 / (double)total1) * 100); Application.DoEvents(); } } Debug.WriteLine("Done loading road names"); mOdbcConn.Close(); mDataAdapter = null; mOdbcConn = null; // Connect to database using OGR to load geometries var mDriver = Ogr.GetDriverByName("PGeo"); if (mDriver == null) { return; } Debug.WriteLine("Loaded driver"); var mSource = mDriver.Open(pMdbFile, 0); if (mSource == null) { return; } Debug.WriteLine("Loaded datasource"); var mLayer = mSource.GetLayerByName("ADRROADSEGMENT"); if (mLayer == null) { return; } Debug.WriteLine("Loaded layer"); // Create simplified roads var mSimplifiedRoadsFeatureSet = new SimplifiedRoads(); int mTotal2 = mLayer.GetFeatureCount(0); foreach (var mRoadID in mRoads) { mLayer.SetAttributeFilter("ADRROADID = " + mRoadID.Key); OSGeo.OGR.Feature mFeature; int mNumShapes = 0; double mLength = 0; double mLeft = 0; double mBottom = 0; double mTop = 0; double mRight = 0; int mDuplicates = 0; List <string> mGeoms = new List <string>(); while (null != (mFeature = mLayer.GetNextFeature())) { OSGeo.OGR.Geometry mGeom = mFeature.GetGeometryRef(); if (mGeom != null) { string wkt; mGeom.ExportToWkt(out wkt); OSGeo.OGR.Envelope mExtent = new OSGeo.OGR.Envelope(); mGeom.GetEnvelope(mExtent); if (mTop == 0 || mExtent.MaxY > mTop) { mTop = mExtent.MaxY; } if (mBottom == 0 || mExtent.MinY < mBottom) { mBottom = mExtent.MinY; } if (mLeft == 0 || mExtent.MinX < mLeft) { mLeft = mExtent.MinX; } if (mRight == 0 || mExtent.MaxX > mRight) { mRight = mExtent.MaxX; } if (!mGeoms.Contains(wkt)) { mLength = mLength + mGeom.Length(); mGeoms.Add(wkt); } else { mDuplicates++; } } mNumShapes++; } var mBoxWidth = mRight - mLeft; var mBoxHeight = mTop - mBottom; var mBoxDiagonal = Math.Sqrt(mBoxWidth * mBoxWidth + mBoxHeight * mBoxHeight); roadSuspects.Add(new RoadSuspect(mRoadID.Key, mNumShapes, mDuplicates, Math.Round(mBoxDiagonal, 1), Math.Round(mLength, 1))); if (mLength > (2.2 * mBoxDiagonal) || mDuplicates > 0) { aLog(String.Format("r: {0}, s: {1}, l: {2}, d: {3}, bb: {4}", mRoadID.Key, mNumShapes, Math.Round(mLength, 1), mDuplicates, Math.Round(mBoxDiagonal, 1)), true); } } using (var mCsvWriter = new CsvHelper.CsvWriter(new ExcelSerializer(pLogFile))) { mCsvWriter.WriteRecords(roadSuspects); aLog("Wrote output to " + pLogFile, true); aLog("Operation completed...", true); } }
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); }
public void GetEnvelope(Envelope env) { OgrPINVOKE.Geometry_GetEnvelope(swigCPtr, Envelope.getCPtr(env)); if (OgrPINVOKE.SWIGPendingException.Pending) throw OgrPINVOKE.SWIGPendingException.Retrieve(); }
private List <Geometry> getWidth(Layer buildingLayer, Geometry sourcePoint, Geometry receivePoint, Geometry line) { topBuilding st = new topBuilding(); st.width = 0; st.high = 0; st.tophigh = null; st.topwidth = null; // buildingLayer.ResetReading(); Feature bFeature = null; OSGeo.OGR.Envelope env = new OSGeo.OGR.Envelope(); while ((bFeature = buildingLayer.GetNextFeature()) != null) { bFeature.GetGeometryRef().GetEnvelope(env); double width = Math.Sqrt((env.MaxX - env.MinX) * (env.MaxX - env.MinX) + (env.MaxY - env.MinY) * (env.MaxY - env.MinY)); if (st.width < width) { st.width = width; st.topwidth = bFeature.GetGeometryRef(); } if (st.high < bFeature.GetFieldAsDouble("HEIGHT_G")) { st.high = bFeature.GetFieldAsDouble("HEIGHT_G"); st.tophigh = bFeature.GetGeometryRef(); } } List <Geometry> list = null; //list.Add(line); if (st.topwidth != null) { list = new List <Geometry>(); SortedDictionary <double, Geometry> upLinePoint = new SortedDictionary <double, Geometry>(); SortedDictionary <double, Geometry> belowLinePoint = new SortedDictionary <double, Geometry>(); double k = (sourcePoint.GetY(0) - receivePoint.GetY(0)) / (sourcePoint.GetX(0) - receivePoint.GetX(0)); double b = sourcePoint.GetY(0) - k * sourcePoint.GetX(0); Geometry buildingring = new Geometry(wkbGeometryType.wkbLinearRing); st.topwidth.GetEnvelope(env); buildingring.AddPoint(env.MinX, env.MinY, 0); buildingring.AddPoint(env.MaxX, env.MinY, 0); buildingring.AddPoint(env.MaxX, env.MaxY, 0); buildingring.AddPoint(env.MinX, env.MaxY, 0); for (int i = 0; i < buildingring.GetPointCount(); i++) { Geometry point = GeometryCreate.createPoint3D(buildingring.GetX(i), buildingring.GetY(i), buildingring.GetZ(i)); if (point.GetY(0) < k * point.GetX(0) + b) { belowLinePoint.Add(sourcePoint.Distance(point), point); } else if (buildingring.GetY(i) > k * buildingring.GetX(i) + b) { upLinePoint.Add(sourcePoint.Distance(point), point); } } Geometry uoLine = new Geometry(wkbGeometryType.wkbLineString); Geometry belowLine = new Geometry(wkbGeometryType.wkbLineString); if (upLinePoint.Count > 0) { uoLine.AddPoint(sourcePoint.GetX(0), sourcePoint.GetY(0), sourcePoint.GetZ(0)); foreach (KeyValuePair <double, Geometry> item in upLinePoint) { uoLine.AddPoint(item.Value.GetX(0), item.Value.GetY(0), item.Value.GetZ(0)); } uoLine.AddPoint(receivePoint.GetX(0), receivePoint.GetY(0), receivePoint.GetZ(0)); } if (belowLinePoint.Count > 0) { belowLine.AddPoint(sourcePoint.GetX(0), sourcePoint.GetY(0), sourcePoint.GetZ(0)); foreach (KeyValuePair <double, Geometry> item in belowLinePoint) { belowLine.AddPoint(item.Value.GetX(0), item.Value.GetY(0), item.Value.GetZ(0)); } belowLine.AddPoint(receivePoint.GetX(0), receivePoint.GetY(0), receivePoint.GetZ(0)); } list.Add(uoLine); list.Add(belowLine); } return(list); }
/// <summary> /// Boundingbox of the dataset /// </summary> /// <returns>boundingbox</returns> public SharpMap.Geometries.BoundingBox GetExtents() { if (this._bbox == null) { OSGeo.OGR.Envelope _OgrEnvelope = new Envelope(); int i = _OgrLayer.GetExtent(_OgrEnvelope, 1); this._bbox = new SharpMap.Geometries.BoundingBox(_OgrEnvelope.MinX, _OgrEnvelope.MinY, _OgrEnvelope.MaxX, _OgrEnvelope.MaxY); } return _bbox; }
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); }