public static void Main(string[] args) { try { /* -------------------------------------------------------------------- */ /* Initialize srs */ /* -------------------------------------------------------------------- */ SpatialReference src = new SpatialReference(""); src.ImportFromProj4("+proj=latlong +datum=WGS84 +no_defs"); Console.WriteLine( "SOURCE IsGeographic:" + src.IsGeographic() + " IsProjected:" + src.IsProjected() ); SpatialReference dst = new SpatialReference(""); dst.ImportFromProj4("+proj=somerc +lat_0=47.14439372222222 +lon_0=19.04857177777778 +x_0=650000 +y_0=200000 +ellps=GRS67 +units=m +no_defs"); Console.WriteLine( "DEST IsGeographic:" + dst.IsGeographic() + " IsProjected:" + dst.IsProjected() ); /* -------------------------------------------------------------------- */ /* making the transform */ /* -------------------------------------------------------------------- */ CoordinateTransformation ct = new CoordinateTransformation(src, dst); double[] p = new double[3]; p[0] = 19; p[1] = 47; p[2] = 0; ct.TransformPoint(p); Console.WriteLine("x:" + p[0] + " y:" + p[1] + " z:" + p[2]); ct.TransformPoint(p, 19.2, 47.5, 0); Console.WriteLine("x:" + p[0] + " y:" + p[1] + " z:" + p[2]); } catch (Exception e) { Console.WriteLine("Error occurred: " + e.Message); System.Environment.Exit(-1); } }
// private readonly TransformMethod _transform; /*! * 功能 * 参数 * 返回值 * 版本号 1.0 * 作者 樊晓剑 * 创建时间 2016年4月21日 * 修改时间 */ public Geometry projectionConvert(Geometry toConvert, OSGeo.OSR.SpatialReference projection) { double[] point = new double[3]; double[] topoint = new double[3]; //获取投影,判断投影类型,如果符合要求则返回 if (toConvert.GetSpatialReference().AutoIdentifyEPSG() != EPSG_ID) { OSGeo.OSR.CoordinateTransformation transformation = new OSGeo.OSR.CoordinateTransformation(toConvert.GetSpatialReference(), projection); for (int i = 0; i < toConvert.GetPointCount(); i++) { toConvert.GetPoint(i, point); transformation.TransformPoint(topoint, point[0], point[1], point[2]); Geometry geometry = new Geometry(wkbGeometryType.wkbPolygon); geometry.AddPoint(topoint[0], topoint[1], topoint[2]); return(geometry); } //若不符合要求则进行转换 //返回转换结果输出路径 } return(toConvert); }
public static Transform GetUserSRSToModelTransform(OSGeo.OSR.SpatialReference userSRS) { ///TODO: Check what units the userSRS is in and coordinate with the scaling function. Currently only accounts for a userSRS in meters. ///TODO: translate or scale GCS (decimal degrees) to something like a Projectected Coordinate System. Need to go dd to xy ///transform rhino EAP from rhinoSRS to userSRS double eapLat = EarthAnchorPoint.EarthBasepointLatitude; double eapLon = EarthAnchorPoint.EarthBasepointLongitude; double eapElev = EarthAnchorPoint.EarthBasepointElevation; Plane eapPlane = EarthAnchorPoint.GetEarthAnchorPlane(out Vector3d eapNorth); OSGeo.OSR.SpatialReference rhinoSRS = new OSGeo.OSR.SpatialReference(""); rhinoSRS.SetWellKnownGeogCS("WGS84"); OSGeo.OSR.CoordinateTransformation coordTransform = new OSGeo.OSR.CoordinateTransformation(rhinoSRS, userSRS); OSGeo.OGR.Geometry userAnchorPointDD = Heron.Convert.Point3dToOgrPoint(new Point3d(eapLon, eapLat, eapElev)); Transform t = new Transform(1.0); userAnchorPointDD.Transform(coordTransform); Point3d userAnchorPointPT = Heron.Convert.OgrPointToPoint3d(userAnchorPointDD, t); ///setup userAnchorPoint plane for move and rotation double eapLatNorth = EarthAnchorPoint.EarthBasepointLatitude + 0.5; double eapLonEast = EarthAnchorPoint.EarthBasepointLongitude + 0.5; OSGeo.OGR.Geometry userAnchorPointDDNorth = Heron.Convert.Point3dToOgrPoint(new Point3d(eapLon, eapLatNorth, eapElev)); OSGeo.OGR.Geometry userAnchorPointDDEast = Heron.Convert.Point3dToOgrPoint(new Point3d(eapLonEast, eapLat, eapElev)); userAnchorPointDDNorth.Transform(coordTransform); userAnchorPointDDEast.Transform(coordTransform); Point3d userAnchorPointPTNorth = Heron.Convert.OgrPointToPoint3d(userAnchorPointDDNorth, t); Point3d userAnchorPointPTEast = Heron.Convert.OgrPointToPoint3d(userAnchorPointDDEast, t); Vector3d userAnchorNorthVec = userAnchorPointPTNorth - userAnchorPointPT; Vector3d userAnchorEastVec = userAnchorPointPTEast - userAnchorPointPT; Plane userEapPlane = new Plane(userAnchorPointPT, userAnchorEastVec, userAnchorNorthVec); ///shift (move and rotate) from userSRS EAP to 0,0 based on SRS north direction Transform scale = Transform.Scale(new Point3d(0.0, 0.0, 0.0), (1 / Rhino.RhinoMath.UnitScale(Rhino.RhinoDoc.ActiveDoc.ModelUnitSystem, Rhino.UnitSystem.Meters))); if (userSRS.GetLinearUnitsName().ToUpper().Contains("FEET") || userSRS.GetLinearUnitsName().ToUpper().Contains("FOOT")) { scale = Transform.Scale(new Point3d(0.0, 0.0, 0.0), (1 / Rhino.RhinoMath.UnitScale(Rhino.RhinoDoc.ActiveDoc.ModelUnitSystem, Rhino.UnitSystem.Feet))); } ///if SRS is geographic (ie WGS84) use Rhino's internal projection ///this is still buggy as it doesn't work with other geographic systems like NAD27 if ((userSRS.IsProjected() == 0) && (userSRS.IsLocal() == 0)) { userEapPlane.Transform(WGSToXYZTransform()); scale = WGSToXYZTransform(); } Transform shift = Transform.ChangeBasis(eapPlane, userEapPlane); Transform shiftScale = Transform.Multiply(scale, shift); return(shiftScale); }
public static CoordinateTransformation CreateCoordinateTransformation(SpatialReference src, SpatialReference dst) { IntPtr cPtr = OsrPINVOKE.CreateCoordinateTransformation(SpatialReference.getCPtr(src), SpatialReference.getCPtr(dst)); CoordinateTransformation ret = (cPtr == IntPtr.Zero) ? null : new CoordinateTransformation(cPtr, true, ThisOwn_true()); if (OsrPINVOKE.SWIGPendingException.Pending) { throw OsrPINVOKE.SWIGPendingException.Retrieve(); } return(ret); }
public static HandleRef getCPtrAndSetReference(CoordinateTransformation obj, object parent) { if (obj != null) { obj.swigParentRef = parent; return obj.swigCPtr; } else { return new HandleRef(null, IntPtr.Zero); } }
public static HandleRef getCPtrAndSetReference(CoordinateTransformation obj, object parent) { if (obj != null) { obj.swigParentRef = parent; return(obj.swigCPtr); } else { return(new HandleRef(null, IntPtr.Zero)); } }
/// <summary> /// Simple coordinate reprojection /// </summary> /// <param name="EpsgIn"></param> /// <param name="EpsgOut"></param> /// <returns></returns> public static double[] ReprojectCoordinates(int EpsgIn, int EpsgOut, double x, double y, double z) { var src = new OSGeo.OSR.SpatialReference(EPSG2WKT(EpsgIn)); logger.Trace($"SOURCE IsGeographic:" + src.IsGeographic() + " IsProjected:" + src.IsProjected()); var dst = new OSGeo.OSR.SpatialReference(EPSG2WKT(EpsgOut)); logger.Trace("DEST IsGeographic:" + dst.IsGeographic() + " IsProjected:" + dst.IsProjected()); var ct = new OSGeo.OSR.CoordinateTransformation(src, dst); double[] p = new double[] { x, y, z }; logger.Trace("From: x:" + p[0] + " y:" + p[1] + " z:" + p[2]); ct.TransformPoint(p); logger.Trace("To: x:" + p[0] + " y:" + p[1] + " z:" + p[2]); return(p); }
private static NetTopologySuite.Geometries.Point Wgs84ToWgs84UpsNorth(Point location) { if (location.SRID != 4326) { throw new Exception("Unsupported coordinate system: " + location.SRID); } OSGeo.OSR.SpatialReference wgs84Src = new OSGeo.OSR.SpatialReference(""); wgs84Src.ImportFromProj4("+proj=longlat +datum=WGS84 +no_defs"); OSGeo.OSR.SpatialReference stereoNorthPoleDest = new OSGeo.OSR.SpatialReference(""); stereoNorthPoleDest.ImportFromProj4("+proj=stere +lat_0=90 +lat_ts=90 +lon_0=0 +k=0.994 +x_0=2000000 +y_0=2000000 +datum=WGS84 +units=m +no_defs"); OSGeo.OSR.CoordinateTransformation ct = new OSGeo.OSR.CoordinateTransformation(wgs84Src, stereoNorthPoleDest); double[] point = new double[3]; point[0] = location.X; point[1] = location.Y; point[2] = location.Z; ct.TransformPoint(point); return(new Point(point[0], point[1])); }
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); }
protected override void SolveInstance(IGH_DataAccess DA) { List <Curve> boundary = new List <Curve>(); DA.GetDataList <Curve>(0, boundary); string IMG_file = ""; DA.GetData <string>("IMG Location", ref IMG_file); /* * //Does not work with HGT files * * byte[] imageBuffer; * * using (FileStream fs = new FileStream(IMG_file, FileMode.Open, FileAccess.Read)) * { * using (BinaryReader br = new BinaryReader(fs)) * { * long numBytes = new FileInfo(IMG_file).Length; * imageBuffer = br.ReadBytes((int)numBytes); * br.Close(); * fs.Close(); * } * } */ RESTful.GdalConfiguration.ConfigureGdal(); OSGeo.GDAL.Gdal.AllRegister(); //string memFilename = "/vsimem/inmemfile"; //Gdal.FileFromMemBuffer(memFilename, imageBuffer); Dataset ds = Gdal.Open(IMG_file, Access.GA_ReadOnly); OSGeo.GDAL.Driver drv = ds.GetDriver(); 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; } ///Get the spatial reference of the input raster file and set to WGS84 if not known ///Set up transform from source to WGS84 OSGeo.OSR.SpatialReference sr = new SpatialReference(Osr.SRS_WKT_WGS84); if (ds.GetProjection() == null) { AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Coordinate Reference System (CRS) is missing. CRS set automatically set to WGS84."); } else { sr = new SpatialReference(ds.GetProjection()); if (sr.Validate() != 0) { AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Coordinate Reference System (CRS) is unknown or unsupported. CRS set automatically set to WGS84."); sr.SetWellKnownGeogCS("WGS84"); } else { AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Data source SRS: EPSG:" + sr.GetAttrValue("AUTHORITY", 1)); } } //OSGeo.OSR.SpatialReference sr = new SpatialReference(ds.GetProjection()); 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); double[] adfGeoTransform = new double[6]; double[] invTransform = new double[6]; ds.GetGeoTransform(adfGeoTransform); Gdal.InvGeoTransform(adfGeoTransform, invTransform); Band band = ds.GetRasterBand(1); int width = ds.RasterXSize; int height = ds.RasterYSize; //Dataset bounding box double oX = adfGeoTransform[0] + adfGeoTransform[1] * 0 + adfGeoTransform[2] * 0; double oY = adfGeoTransform[3] + adfGeoTransform[4] * 0 + adfGeoTransform[5] * 0; double eX = adfGeoTransform[0] + adfGeoTransform[1] * width + adfGeoTransform[2] * height; double eY = adfGeoTransform[3] + adfGeoTransform[4] * width + adfGeoTransform[5] * height; ///Transform to WGS84 double[] extMinPT = new double[3] { oX, eY, 0 }; double[] extMaxPT = new double[3] { eX, oY, 0 }; coordTransform.TransformPoint(extMinPT); coordTransform.TransformPoint(extMaxPT); Point3d dsMin = new Point3d(extMinPT[0], extMinPT[1], extMinPT[2]); Point3d dsMax = new Point3d(extMaxPT[0], extMaxPT[1], extMaxPT[2]); //Point3d dsMin = new Point3d(oX, eY, 0); //Point3d dsMax = new Point3d(eX, oY, 0); Rectangle3d dsbox = new Rectangle3d(Plane.WorldXY, Heron.Convert.WGSToXYZ(dsMin), Heron.Convert.WGSToXYZ(dsMax)); //Declare trees GH_Structure <GH_Point> pointcloud = new GH_Structure <GH_Point>(); GH_Structure <GH_Integer> rCount = new GH_Structure <GH_Integer>(); GH_Structure <GH_Integer> cCount = new GH_Structure <GH_Integer>(); GH_Structure <GH_Mesh> tMesh = new GH_Structure <GH_Mesh>(); for (int i = 0; i < boundary.Count; i++) { if (dsbox.BoundingBox.Contains(boundary[i].GetBoundingBox(true).Min) && (dsbox.BoundingBox.Contains(boundary[i].GetBoundingBox(true).Max))) { Point3d min = Heron.Convert.XYZToWGS(boundary[i].GetBoundingBox(true).Corner(true, false, true)); Point3d max = Heron.Convert.XYZToWGS(boundary[i].GetBoundingBox(true).Corner(false, true, true)); ///Transform to source SRS double[] minR = new double[3] { min.X, min.Y, min.Z }; double[] maxR = new double[3] { max.X, max.Y, max.Z }; revTransform.TransformPoint(minR); revTransform.TransformPoint(maxR); GH_Path path = new GH_Path(i); // http://gis.stackexchange.com/questions/46893/how-do-i-get-the-pixel-value-of-a-gdal-raster-under-an-ogr-point-without-numpy double ur, uc, lr, lc; Gdal.ApplyGeoTransform(invTransform, minR[0], minR[1], out uc, out ur); Gdal.ApplyGeoTransform(invTransform, maxR[0], maxR[1], out lc, out lr); //Gdal.ApplyGeoTransform(invTransform, min.X, min.Y, out uc, out ur); //Gdal.ApplyGeoTransform(invTransform, max.X, max.Y, out lc, out lr); int Urow = System.Convert.ToInt32(ur); int Ucol = System.Convert.ToInt32(uc); int Lrow = System.Convert.ToInt32(lr) + 1; int Lcol = System.Convert.ToInt32(lc) + 1; rCount.Append(new GH_Integer(Lrow - Urow), path); cCount.Append(new GH_Integer(Lcol - Ucol), path); Mesh mesh = new Mesh(); List <Point3d> verts = new List <Point3d>(); //var vertsParallel = new System.Collections.Concurrent.ConcurrentDictionary<double[][], Point3d>(Environment.ProcessorCount, ((Urow - 1) * (Lrow - 1))); double[] bits = new double[width * height]; band.ReadRaster(0, 0, width, height, bits, width, height, 0, 0); for (int col = Ucol; col < Lcol; col++) { for (int row = Urow; row < Lrow; row++) { // equivalent to bits[col][row] if bits is 2-dimension array double pixel = bits[col + row * width]; if (pixel < -10000) { pixel = 0; } double gcol = adfGeoTransform[0] + adfGeoTransform[1] * col + adfGeoTransform[2] * row; double grow = adfGeoTransform[3] + adfGeoTransform[4] * col + adfGeoTransform[5] * row; ///convert to WGS84 double[] wgsPT = new double[3] { gcol, grow, pixel }; coordTransform.TransformPoint(wgsPT); Point3d pt = new Point3d(wgsPT[0], wgsPT[1], wgsPT[2]); //Point3d pt = new Point3d(gcol, grow, pixel); verts.Add(Heron.Convert.WGSToXYZ(pt)); } /*Parallel.For(Urow, Lrow - 1, rowP => * { * // equivalent to bits[col][row] if bits is 2-dimension array * double pixel = bits[col + rowP * width]; * if (pixel < -10000) * { * pixel = 0; * } * * double gcol = adfGeoTransform[0] + adfGeoTransform[1] * col + adfGeoTransform[2] * rowP; * double grow = adfGeoTransform[3] + adfGeoTransform[4] * col + adfGeoTransform[5] * rowP; * * Point3d pt = new Point3d(gcol, grow, pixel); * vertsParallel[] = Heron.Convert.ToXYZ(pt); * }); * */ } //Create meshes //non Parallel mesh.Vertices.AddVertices(verts); //Parallel //mesh.Vertices.AddVertices(vertsParallel.Values); for (int u = 1; u < cCount[path][0].Value; u++) { for (int v = 1; v < rCount[path][0].Value; v++) { mesh.Faces.AddFace(v - 1 + (u - 1) * (Lrow - Urow), v - 1 + u * (Lrow - Urow), v - 1 + u * (Lrow - Urow) + 1, v - 1 + (u - 1) * (Lrow - Urow) + 1); //(k - 1 + (j - 1) * num2, k - 1 + j * num2, k - 1 + j * num2 + 1, k - 1 + (j - 1) * num2 + 1) } } //mesh.Flip(true, true, true); tMesh.Append(new GH_Mesh(mesh), path); } else { AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "One or more boundaries may be outside the bounds of the topo dataset."); //return; } } DA.SetDataTree(0, tMesh); DA.SetData(1, dsbox); }
public static HandleRef getCPtr(CoordinateTransformation obj) { return((obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr); }
public void testProjectionConvert() { Gdal.AllRegister(); Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES"); Gdal.SetConfigOption("SHAPE_ENCODING", ""); Ogr.RegisterAll(); Gdal.SetConfigOption("GDAL_DATA", Environment.CurrentDirectory + "//data"); //读取文件 DataSource ds = Ogr.Open(fromPath, 0); Layer oLayer = ds.GetLayerByIndex(0); // 写入文件 OSGeo.OGR.Driver oDriver = Ogr.GetDriverByName("ESRI Shapefile"); OSGeo.OSR.SpatialReference projection = new OSGeo.OSR.SpatialReference(""); projection.ImportFromEPSG(3395); DataSource oDS; if (Ogr.Open(toPath, 0) != null) { oDS = Ogr.Open(toPath, 1); oDS.DeleteLayer(0); } else { oDS = oDriver.CreateDataSource(toPath, null); } Layer toLayer = oDS.CreateLayer("POINT", projection, oLayer.GetGeomType(), null); Random ran = new Random(); Feature oFeature = null; Geometry lines = null; FeatureDefn oDefn = oLayer.GetLayerDefn(); FieldDefn oFieldID = new FieldDefn("HEIGHT_G", FieldType.OFTReal); toLayer.CreateField(oFieldID, 1); FieldDefn oFieldName = new FieldDefn("PWLs", FieldType.OFTReal); toLayer.CreateField(oFieldName, 1); OSGeo.OSR.CoordinateTransformation coordTrans = new OSGeo.OSR.CoordinateTransformation(oLayer.GetSpatialRef(), projection); while ((oFeature = oLayer.GetNextFeature()) != null) { lines = oFeature.GetGeometryRef(); lines.Transform(coordTrans); Feature feature = new Feature(oDefn); feature.SetGeometry(lines); feature.SetField(0, 4.0); feature.SetField(1, ran.Next(40, 120)); toLayer.CreateFeature(feature); } oDS.SyncToDisk(); }
public static HandleRef getCPtr(CoordinateTransformation obj) { return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr; }
protected override void SolveInstance(IGH_DataAccess DA) { List <Curve> boundary = new List <Curve>(); DA.GetDataList <Curve>(0, boundary); string IMG_file = string.Empty; DA.GetData <string>(1, ref IMG_file); RESTful.GdalConfiguration.ConfigureGdal(); OSGeo.GDAL.Gdal.AllRegister(); Dataset datasource = Gdal.Open(IMG_file, Access.GA_ReadOnly); OSGeo.GDAL.Driver drv = datasource.GetDriver(); if (datasource == 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; } ///Get info about image string srcInfo = string.Empty; List <string> infoOptions = new List <string> { "-stats" }; srcInfo = Gdal.GDALInfo(datasource, new GDALInfoOptions(infoOptions.ToArray())); ///Get the spatial reference of the input raster file and set to WGS84 if not known ///Set up transform from source to WGS84 OSGeo.OSR.SpatialReference sr = new SpatialReference(Osr.SRS_WKT_WGS84); if (datasource.GetProjection() == null) { AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Coordinate Reference System (CRS) is missing. CRS set automatically set to WGS84."); } else { sr = new SpatialReference(datasource.GetProjection()); if (sr.Validate() != 0) { ///Check if SRS needs to be converted from ESRI format to WKT to avoid error: ///"No translation for Lambert_Conformal_Conic to PROJ.4 format is known." ///https://gis.stackexchange.com/questions/128266/qgis-error-6-no-translation-for-lambert-conformal-conic-to-proj-4-format-is-kn SpatialReference srEsri = sr; srEsri.MorphFromESRI(); string projEsri = string.Empty; srEsri.ExportToWkt(out projEsri); ///If no SRS exists, check Ground Control Points SRS SpatialReference srGCP = new SpatialReference(datasource.GetGCPProjection()); string projGCP = string.Empty; srGCP.ExportToWkt(out projGCP); if (!string.IsNullOrEmpty(projEsri)) { datasource.SetProjection(projEsri); sr = srEsri; AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) morphed form ESRI format."); } else if (!string.IsNullOrEmpty(projGCP)) { datasource.SetProjection(projGCP); sr = srGCP; AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) set from Ground Control Points (GCPs)."); } else { AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) is unknown or unsupported. SRS assumed to be WGS84." + "Try setting the SRS with the GdalWarp component using -t_srs EPSG:4326 for the option input."); sr.SetWellKnownGeogCS("WGS84"); } } else { AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Data source SRS: EPSG:" + sr.GetAttrValue("AUTHORITY", 1)); } } //OSGeo.OSR.SpatialReference sr = new SpatialReference(ds.GetProjection()); 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); double[] adfGeoTransform = new double[6]; double[] invTransform = new double[6]; datasource.GetGeoTransform(adfGeoTransform); Gdal.InvGeoTransform(adfGeoTransform, invTransform); int width = datasource.RasterXSize; int height = datasource.RasterYSize; ///Dataset bounding box double oX = adfGeoTransform[0] + adfGeoTransform[1] * 0 + adfGeoTransform[2] * 0; double oY = adfGeoTransform[3] + adfGeoTransform[4] * 0 + adfGeoTransform[5] * 0; double eX = adfGeoTransform[0] + adfGeoTransform[1] * width + adfGeoTransform[2] * height; double eY = adfGeoTransform[3] + adfGeoTransform[4] * width + adfGeoTransform[5] * height; ///Transform to WGS84 double[] extMinPT = new double[3] { oX, eY, 0 }; double[] extMaxPT = new double[3] { eX, oY, 0 }; coordTransform.TransformPoint(extMinPT); coordTransform.TransformPoint(extMaxPT); Point3d dsMin = new Point3d(extMinPT[0], extMinPT[1], extMinPT[2]); Point3d dsMax = new Point3d(extMaxPT[0], extMaxPT[1], extMaxPT[2]); Rectangle3d dsbox = new Rectangle3d(Plane.WorldXY, Heron.Convert.WGSToXYZ(dsMin), Heron.Convert.WGSToXYZ(dsMax)); double pixelWidth = dsbox.Width / width; double pixelHeight = dsbox.Height / height; ///Declare trees GH_Structure <GH_Point> pointcloud = new GH_Structure <GH_Point>(); GH_Structure <GH_Integer> rCount = new GH_Structure <GH_Integer>(); GH_Structure <GH_Integer> cCount = new GH_Structure <GH_Integer>(); GH_Structure <GH_Mesh> tMesh = new GH_Structure <GH_Mesh>(); for (int i = 0; i < boundary.Count; i++) { GH_Path path = new GH_Path(i); Curve clippingBoundary = boundary[i]; if (!clip) { clippingBoundary = dsbox.ToNurbsCurve(); } string clippedTopoFile = "/vsimem/topoclipped.tif"; if (!(dsbox.BoundingBox.Contains(clippingBoundary.GetBoundingBox(true).Min) && (dsbox.BoundingBox.Contains(clippingBoundary.GetBoundingBox(true).Max))) && clip) { AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "One or more boundaries may be outside the bounds of the topo dataset."); } ///Offsets to mesh/boundary based on pixel size Point3d clipperMinPreAdd = clippingBoundary.GetBoundingBox(true).Corner(true, false, true); Point3d clipperMinPostAdd = new Point3d(clipperMinPreAdd.X, clipperMinPreAdd.Y, clipperMinPreAdd.Z); Point3d clipperMin = Heron.Convert.XYZToWGS(clipperMinPostAdd); Point3d clipperMaxPreAdd = clippingBoundary.GetBoundingBox(true).Corner(false, true, true); ///add/subtract pixel width if desired to get closer to boundary Point3d clipperMaxPostAdd = new Point3d(); Point3d clipperMax = new Point3d(); if (clip) { clipperMaxPostAdd = new Point3d(clipperMaxPreAdd.X + pixelWidth, clipperMaxPreAdd.Y - pixelHeight, clipperMaxPreAdd.Z); clipperMax = Heron.Convert.XYZToWGS(clipperMaxPostAdd); } else { clipperMaxPostAdd = new Point3d(clipperMaxPreAdd.X, clipperMaxPreAdd.Y, clipperMaxPreAdd.Z); clipperMax = Heron.Convert.XYZToWGS(clipperMaxPostAdd); } double lonWest = clipperMin.X; double lonEast = clipperMax.X; double latNorth = clipperMin.Y; double latSouth = clipperMax.Y; var translateOptions = new[] { "-of", "GTiff", "-a_nodata", "0", "-projwin_srs", "WGS84", "-projwin", $"{lonWest}", $"{latNorth}", $"{lonEast}", $"{latSouth}" }; using (Dataset clippedDataset = Gdal.wrapper_GDALTranslate(clippedTopoFile, datasource, new GDALTranslateOptions(translateOptions), null, null)) { Band band = clippedDataset.GetRasterBand(1); width = clippedDataset.RasterXSize; height = clippedDataset.RasterYSize; clippedDataset.GetGeoTransform(adfGeoTransform); Gdal.InvGeoTransform(adfGeoTransform, invTransform); rCount.Append(new GH_Integer(height), path); cCount.Append(new GH_Integer(width), path); Mesh mesh = new Mesh(); List <Point3d> verts = new List <Point3d>(); //var vertsParallel = new System.Collections.Concurrent.ConcurrentDictionary<double[][], Point3d>(Environment.ProcessorCount, ((Urow - 1) * (Lrow - 1))); double[] bits = new double[width * height]; band.ReadRaster(0, 0, width, height, bits, width, height, 0, 0); for (int col = 0; col < width; col++) { for (int row = 0; row < height; row++) { // equivalent to bits[col][row] if bits is 2-dimension array double pixel = bits[col + row * width]; if (pixel < -10000) { pixel = 0; } double gcol = adfGeoTransform[0] + adfGeoTransform[1] * col + adfGeoTransform[2] * row; double grow = adfGeoTransform[3] + adfGeoTransform[4] * col + adfGeoTransform[5] * row; ///convert to WGS84 double[] wgsPT = new double[3] { gcol, grow, pixel }; coordTransform.TransformPoint(wgsPT); Point3d pt = new Point3d(wgsPT[0], wgsPT[1], wgsPT[2]); verts.Add(Heron.Convert.WGSToXYZ(pt)); } /*Parallel.For(Urow, Lrow - 1, rowP => * { * // equivalent to bits[col][row] if bits is 2-dimension array * double pixel = bits[col + rowP * width]; * if (pixel < -10000) * { * pixel = 0; * } * * double gcol = adfGeoTransform[0] + adfGeoTransform[1] * col + adfGeoTransform[2] * rowP; * double grow = adfGeoTransform[3] + adfGeoTransform[4] * col + adfGeoTransform[5] * rowP; * * Point3d pt = new Point3d(gcol, grow, pixel); * vertsParallel[] = Heron.Convert.ToXYZ(pt); * }); * */ } //Create meshes //non Parallel mesh.Vertices.AddVertices(verts); //Parallel //mesh.Vertices.AddVertices(vertsParallel.Values); for (int u = 1; u < cCount[path][0].Value; u++) { for (int v = 1; v < rCount[path][0].Value; v++) { mesh.Faces.AddFace(v - 1 + (u - 1) * (height), v - 1 + u * (height), v - 1 + u * (height) + 1, v - 1 + (u - 1) * (height) + 1); //(k - 1 + (j - 1) * num2, k - 1 + j * num2, k - 1 + j * num2 + 1, k - 1 + (j - 1) * num2 + 1) } } //mesh.Flip(true, true, true); tMesh.Append(new GH_Mesh(mesh), path); band.Dispose(); } Gdal.Unlink("/vsimem/topoclipped.tif"); } datasource.Dispose(); DA.SetDataTree(0, tMesh); DA.SetData(1, dsbox); DA.SetData(2, srcInfo); }
protected override void SolveInstance(IGH_DataAccess DA) { Curve boundary = null; DA.GetData <Curve>(0, ref boundary); string sourceFileLocation = string.Empty; DA.GetData <string>(1, ref sourceFileLocation); string clippedLocation = string.Empty; DA.GetData <string>(2, ref clippedLocation); RESTful.GdalConfiguration.ConfigureGdal(); OSGeo.GDAL.Gdal.AllRegister(); ///Specific settings for getting WMS images OSGeo.GDAL.Gdal.SetConfigOption("GDAL_HTTP_UNSAFESSL", "YES"); OSGeo.GDAL.Gdal.SetConfigOption("GDAL_SKIP", "WMS"); ///Read in the raster data Dataset datasource = Gdal.Open(sourceFileLocation, Access.GA_ReadOnly); OSGeo.GDAL.Driver drv = datasource.GetDriver(); string srcInfo = string.Empty; if (datasource == null) { AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "The raster datasource was unreadable by this component. It may not a valid file type for this component or otherwise null/empty."); return; } ///Get the spatial reference of the input raster file and set to WGS84 if not known ///Set up transform from source to WGS84 OSGeo.OSR.SpatialReference sr = new SpatialReference(Osr.SRS_WKT_WGS84); if (datasource.GetProjection() == null) { AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) is missing. SRS set automatically set to WGS84."); } else { sr = new SpatialReference(datasource.GetProjection()); if (sr.Validate() != 0) { ///Check if SRS needs to be converted from ESRI format to WKT to avoid error: ///"No translation for Lambert_Conformal_Conic to PROJ.4 format is known." ///https://gis.stackexchange.com/questions/128266/qgis-error-6-no-translation-for-lambert-conformal-conic-to-proj-4-format-is-kn SpatialReference srEsri = sr; srEsri.MorphFromESRI(); string projEsri = string.Empty; srEsri.ExportToWkt(out projEsri); ///If no SRS exists, check Ground Control Points SRS SpatialReference srGCP = new SpatialReference(datasource.GetGCPProjection()); string projGCP = string.Empty; srGCP.ExportToWkt(out projGCP); if (!string.IsNullOrEmpty(projEsri)) { datasource.SetProjection(projEsri); sr = srEsri; AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) morphed form ESRI format."); } else if (!string.IsNullOrEmpty(projGCP)) { datasource.SetProjection(projGCP); sr = srGCP; AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) set from Ground Control Points (GCPs)."); } else { AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Spatial Reference System (SRS) is unknown or unsupported. SRS assumed to be WGS84." + "Try setting the SRS with the GdalWarp component using -t_srs EPSG:4326 for the option input."); sr.SetWellKnownGeogCS("WGS84"); } } else { AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Data source SRS: EPSG:" + sr.GetAttrValue("AUTHORITY", 1)); } } ///Get info about image List <string> infoOptions = new List <string> { "-stats" }; srcInfo = Gdal.GDALInfo(datasource, new GDALInfoOptions(infoOptions.ToArray())); //OSGeo.OSR.SpatialReference sr = new SpatialReference(ds.GetProjection()); 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); double[] adfGeoTransform = new double[6]; double[] invTransform = new double[6]; datasource.GetGeoTransform(adfGeoTransform); Gdal.InvGeoTransform(adfGeoTransform, invTransform); Band band = datasource.GetRasterBand(1); int width = datasource.RasterXSize; int height = datasource.RasterYSize; ///Dataset bounding box double oX = adfGeoTransform[0] + adfGeoTransform[1] * 0 + adfGeoTransform[2] * 0; double oY = adfGeoTransform[3] + adfGeoTransform[4] * 0 + adfGeoTransform[5] * 0; double eX = adfGeoTransform[0] + adfGeoTransform[1] * width + adfGeoTransform[2] * height; double eY = adfGeoTransform[3] + adfGeoTransform[4] * width + adfGeoTransform[5] * height; ///Transform to WGS84. ///TODO: Allow for UserSRS double[] extMinPT = new double[3] { oX, eY, 0 }; double[] extMaxPT = new double[3] { eX, oY, 0 }; coordTransform.TransformPoint(extMinPT); coordTransform.TransformPoint(extMaxPT); Point3d dsMin = new Point3d(extMinPT[0], extMinPT[1], extMinPT[2]); Point3d dsMax = new Point3d(extMaxPT[0], extMaxPT[1], extMaxPT[2]); ///Get bounding box for entire raster data Rectangle3d datasourceBBox = new Rectangle3d(Plane.WorldXY, Heron.Convert.WGSToXYZ(dsMin), Heron.Convert.WGSToXYZ(dsMax)); ///https://gis.stackexchange.com/questions/312440/gdal-translate-bilinear-interpolation ///set output to georeferenced tiff as a catch-all string clippedRasterFile = clippedLocation + Path.GetFileNameWithoutExtension(sourceFileLocation) + "_clipped.tif"; string previewPNG = clippedLocation + Path.GetFileNameWithoutExtension(sourceFileLocation) + "_preview.png"; AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Original Resolution: " + datasource.RasterXSize.ToString() + "x" + datasource.RasterYSize.ToString()); if (boundary != null) { Point3d clipperMin = Heron.Convert.XYZToWGS(boundary.GetBoundingBox(true).Corner(true, false, true)); Point3d clipperMax = Heron.Convert.XYZToWGS(boundary.GetBoundingBox(true).Corner(false, true, true)); double lonWest = clipperMin.X; double lonEast = clipperMax.X; double latNorth = clipperMin.Y; double latSouth = clipperMax.Y; ///GDALTranslate should also be its own component with full control over options var translateOptions = new[] { "-of", "GTiff", //"-a_nodata", "0", "-projwin_srs", "WGS84", "-projwin", $"{lonWest}", $"{latNorth}", $"{lonEast}", $"{latSouth}" }; using (Dataset clippedDataset = Gdal.wrapper_GDALTranslate(clippedRasterFile, datasource, new GDALTranslateOptions(translateOptions), null, null)) { Dataset previewDataset = Gdal.wrapper_GDALTranslate(previewPNG, clippedDataset, null, null, null); AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Clipped Resolution: " + clippedDataset.RasterXSize.ToString() + "x" + datasource.RasterYSize.ToString()); ///clean up clippedDataset.FlushCache(); clippedDataset.Dispose(); previewDataset.FlushCache(); previewDataset.Dispose(); AddPreviewItem(previewPNG, BBoxToRect(boundary.GetBoundingBox(true))); } } else { Dataset previewDataset = Gdal.wrapper_GDALTranslate(previewPNG, datasource, null, null, null); ///clean up previewDataset.FlushCache(); previewDataset.Dispose(); AddPreviewItem(previewPNG, datasourceBBox); } ///clean up datasource.FlushCache(); datasource.Dispose(); DA.SetData(0, srcInfo); DA.SetData(1, datasourceBBox); DA.SetData(2, clippedRasterFile); }
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); }