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 static Boolean CleanFileGDBNames(frmMain pFrm, string pTgtFileGDB, string pSrcPGeoMDB, string pTgtFeatClass) { try { // Connect to database var mOdbcConn = new OdbcConnection("Driver={Microsoft Access Driver (*.mdb, *.accdb)};Dbq=" + pSrcPGeoMDB + ";Uid=Admin;Pwd=;"); // Load road names pFrm.Log("Start loading names"); var mRoadNames = new Dictionary <int, DataRow>(); var mDataAdapter = new OdbcDataAdapter(sqlStatements.selectRoadNamesSQL, mOdbcConn); var mDataTable = new DataTable(); mDataAdapter.Fill(mDataTable); int ctr1 = 0; int total1 = mDataTable.Rows.Count; foreach (DataRow mRow in mDataTable.Rows) { int mRoadId; if (int.TryParse(mRow["ADRROADID"].ToString(), out mRoadId)) { mRoadNames.Add(mRoadId, mRow); } ctr1++; if (ctr1 % 50 == 0) { Application.DoEvents(); } } pFrm.Log("Done loading road names"); mOdbcConn.Close(); mDataAdapter.Dispose(); mDataAdapter = null; mOdbcConn.Dispose(); mOdbcConn = null; // Load district names Gdal.SetConfigOption("SHAPE_ENCODING", "UTF-8"); DataSource districtDataSource = Ogr.Open(DistrictImport.GetShapefileName(), 0); OSGeo.OGR.Layer districtLayer = districtDataSource.GetLayerByIndex(0); if (districtLayer == null) { pFrm.Log("Could not load district names layer"); goto CleanUpDistricts; } pFrm.Log("Done loading district names"); var mFileGDBDrv = OSGeo.OGR.Ogr.GetDriverByName("FileGDB"); var mTgtDSrc = mFileGDBDrv.Open(pTgtFileGDB, 1); var mTgtLyr = mTgtDSrc.GetLayerByName(pTgtFeatClass); if (mTgtLyr == null) { pFrm.Log("Could not open layer " + pTgtFeatClass + " for update"); goto CleanUp; } pFrm.Log("Opened target FileGDB for update"); Feature mFeat = null; int mNumTgtFeats = mTgtLyr.GetFeatureCount(1); // Clean all existing district and street names pFrm.Log("Processing"); for (int idxFeature = 0; idxFeature < mNumTgtFeats; idxFeature++) { if (null != (mFeat = mTgtLyr.GetFeature(idxFeature))) { Geometry mGeometry = mFeat.GetGeometryRef(); double[] p = new double[2]; mGeometry.GetPoint(0, p); if (pTgtFeatClass == "Address_unit_signs") { int mRoadID = mFeat.GetFieldAsInteger("ROADID"); mFeat.SetField("ROADNAME_EN", mRoadNames.GetStringOrNull(mRoadID, "NAMEENGLISH")); mFeat.SetField("ROADNAME_AR", mRoadNames.GetStringOrNull(mRoadID, "NAMEARABIC")); mFeat.SetField("ROADNAME_POP_EN", null); mFeat.SetField("ROADNAME_POP_AR", null); mFeat.SetField("DESCRIPTION_EN", mRoadNames.GetStringOrNull(mRoadID, "DESCRIPTIONENGLISH")); mFeat.SetField("DESCRIPTION_AR", mRoadNames.GetStringOrNull(mRoadID, "DESCRIPTIONARABIC")); } else if (pTgtFeatClass == "Street_name_signs") { int mRoadID1 = mFeat.GetFieldAsInteger("ROADID_P1"); int mRoadID2 = mFeat.GetFieldAsInteger("ROADID_P2"); mFeat.SetField("ROADNAME_EN_P1", mRoadNames.GetStringOrNull(mRoadID1, "NAMEENGLISH")); mFeat.SetField("ROADNAME_AR_P1", mRoadNames.GetStringOrNull(mRoadID1, "NAMEARABIC")); mFeat.SetField("ROADNAME_EN_P2", mRoadNames.GetStringOrNull(mRoadID2, "NAMEENGLISH")); mFeat.SetField("ROADNAME_AR_P2", mRoadNames.GetStringOrNull(mRoadID2, "NAMEARABIC")); } else if (pTgtFeatClass == "Address_guide_sign") { int mRoadID = mFeat.GetFieldAsInteger("ROADID"); string tmpRoadEn = mRoadNames.GetStringOrNull(mRoadID, "NAMEENGLISH"); string tmpRoadAr = mRoadNames.GetStringOrNull(mRoadID, "NAMEARABIC"); mFeat.SetField("ROADNAME_EN", tmpRoadEn); mFeat.SetField("ROADNAME_AR", tmpRoadAr); } districtLayer.SetSpatialFilter(mGeometry); using (Feature matchDistrict = districtLayer.GetFeature(0)) { if (matchDistrict != null && matchDistrict.IsFieldSet("NAMELATIN") && matchDistrict.IsFieldSet("NAMEARABIC")) { string tmpDistEn = matchDistrict.GetFieldAsString("NAMELATIN"); string tmpDistAr = matchDistrict.GetFieldAsString("NAMEARABIC"); mFeat.SetField("DISTRICT_EN", tmpDistEn); mFeat.SetField("DISTRICT_AR", tmpDistAr); } else { mFeat.SetField("DISTRICT_EN", null); mFeat.SetField("DISTRICT_AR", null); pFrm.Log("No district name match for " + pTgtFeatClass + " with coordinates: " + p[0].ToString() + ", " + p[1].ToString()); } } Application.DoEvents(); mTgtLyr.SetFeature(mFeat); DoEventsOnBatchSize: if (idxFeature % 250 == 0 || idxFeature == mNumTgtFeats) { pFrm.Log("Processed " + idxFeature + " out of" + mNumTgtFeats + " features"); //Thread.Sleep(250); mTgtLyr.SyncToDisk(); } if (mGeometry != null) { mGeometry.Dispose(); } if (mFeat != null) { mFeat.Dispose(); } } } CleanUp: if (mTgtLyr != null) { mTgtLyr.Dispose(); } if (mTgtDSrc != null) { mTgtDSrc.Dispose(); } if (mFileGDBDrv != null) { mFileGDBDrv.Dispose(); } CleanUpDistricts: if (districtLayer != null) { districtLayer.Dispose(); } if (districtDataSource != null) { districtDataSource.Dispose(); } } catch (Exception ex) { pFrm.Log(ex.Message); pFrm.Log(ex.StackTrace); return(false); } return(true); }
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 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); }