//////////////////////////////////////////////////////
//////////////////////////////////////////////////////
///Converting GDAL geometry types to Rhino/GH geometry types
///Rhino transform for each method is required in order to scale points first, then mesh or make polyline or whatever.
///Without doing this, we get floating point distortions in the geometry, especially meshes.
public static Point3d OgrPointToPoint3d(OSGeo.OGR.Geometry ogrPoint, Transform transform)
{
Point3d pt3d = new Point3d(ogrPoint.GetX(0), ogrPoint.GetY(0), ogrPoint.GetZ(0));
pt3d.Transform(transform);
return(pt3d);
}
//////////////////////////////////////////////////////
//////////////////////////////////////////////////////
///Converting GDAL geometry types to Rhino/GH geometry types
public static Point3d OgrPointToPoint3d(OSGeo.OGR.Geometry ogrPoint)
{
Point3d pt3d = new Point3d(ogrPoint.GetX(0), ogrPoint.GetY(0), ogrPoint.GetZ(0));
///convert should happen in the component or elsewhere, not here. point should come in pre-converted to SRS
//return Convert.WGSToXYZ(pt3d);
return(pt3d);
}
/************************************* 点角式 *****************************************/
/// <summary>
/// 清理等后生成新的文件
///
/// </summary>
public static void claenPoint(string filePath, string savefile, double jiaodu, int cishu)
{
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
//进来的Layer
OSGeo.OGR.DataSource oriDs = dr.Open(filePath, 0);
OSGeo.OGR.Layer oriLayer = oriDs.GetLayerByIndex(0);
//出去的Layer
if (System.IO.File.Exists(savefile))
{
savefile.deleteFiles();
}
OSGeo.OGR.DataSource targDs = dr.CreateDataSource(savefile, null);
OSGeo.OGR.Layer targLayer = targDs.CreateLayer("targ", null, OSGeo.OGR.wkbGeometryType.wkbPolygon, null);
int featCount = oriLayer.GetFeatureCount(0);
for (int i = 0; i < featCount; i++)
{
///进来的Featuer
OSGeo.OGR.Feature oriFeat = oriLayer.GetFeature(i);
///把一个Featuer转为点数组
OSGeo.OGR.Geometry oriGeom = oriFeat.GetGeometryRef();
OSGeo.OGR.Geometry subGeom = oriGeom.GetGeometryRef(0);
int pointCount = subGeom.GetPointCount();
Point[] aFeat = new Point[pointCount];
for (int c = 0; c < pointCount; c++)
{
aFeat[c].X = subGeom.GetX(c);
aFeat[c].Y = subGeom.GetY(c);
aFeat[c].Z = subGeom.GetZ(c);
}
///调选点方法,得到一个新的Featuer
Geometry newGeom = null;
if (aFeat.Length > cishu * 3)
{
newGeom = JID(aFeat, jiaodu, cishu);
}
else
{
oriFeat.Dispose();
continue;
}
if (newGeom != null)
{
Feature temp = new Feature(new FeatureDefn(""));
temp.SetGeometry(newGeom);
targLayer.CreateFeature(temp);
temp.Dispose();
}
oriFeat.Dispose();
Console.WriteLine("已完成{0}/{1}", i, featCount);
}
oriDs.Dispose();
targDs.Dispose();
}
public static Curve OgrLinestringToCurve(OSGeo.OGR.Geometry linestring, Transform transform)
{
List <Point3d> ptList = new List <Point3d>();
for (int i = 0; i < linestring.GetPointCount(); i++)
{
Point3d pt = new Point3d(linestring.GetX(i), linestring.GetY(i), linestring.GetZ(i));
pt.Transform(transform);
ptList.Add(pt);
}
Polyline pL = new Polyline(ptList);
return(pL.ToNurbsCurve());
}
/// <summary>
/// 清理原文件
/// </summary>
/// <param name="filePath"></param>
public static void claenPoint(string filePath, double jiaodu, int cishu)
{
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
OSGeo.OGR.DataSource oriDs = dr.Open(filePath, 1);
OSGeo.OGR.Layer oriLayer = oriDs.GetLayerByIndex(0);
int featCount = oriLayer.GetFeatureCount(0);
for (int i = 0; i < featCount; i++)
{
OSGeo.OGR.Feature oriFeat = oriLayer.GetFeature(i);
OSGeo.OGR.Geometry oriGeom = oriFeat.GetGeometryRef();
OSGeo.OGR.Geometry subGeom = oriGeom.GetGeometryRef(0);
int pointCount = subGeom.GetPointCount();
Point[] aFeat = new Point[pointCount];
for (int c = 0; c < pointCount; c++)
{
aFeat[c].X = subGeom.GetX(c);
aFeat[c].Y = subGeom.GetY(c);
aFeat[c].Z = subGeom.GetZ(c);
}
OSGeo.OGR.Geometry newGeom = null;
if (aFeat.Length > cishu * 3)
{
newGeom = JID(aFeat, jiaodu, cishu);
}
else
{
oriFeat.Dispose();
continue;
}
if (newGeom != null)
{
oriFeat.SetGeometry(newGeom);
oriLayer.SetFeature(oriFeat);
}
Console.WriteLine("cleanPoint已完成{0}/{1}", i, featCount);
oriFeat.Dispose();
}
oriDs.Dispose();
}
public static Curve OgrRingToCurve(OSGeo.OGR.Geometry ring, Transform transform)
{
double tol = Rhino.RhinoDoc.ActiveDoc.ModelAbsoluteTolerance;
List <Point3d> ptList = new List <Point3d>();
for (int i = 0; i < ring.GetPointCount(); i++)
{
Point3d pt = new Point3d(ring.GetX(i), ring.GetY(i), ring.GetZ(i));
pt.Transform(transform);
ptList.Add(pt);
}
//ptList.Add(ptList[0]);
Polyline pL = new Polyline(ptList);
Curve crv = pL.ToNurbsCurve();
//crv.MakeClosed(tol);
return(crv);
}
public static List <int> _平角点ID集(Feature aFeatuer, double userSet, int seleTime)
{
OSGeo.OGR.Geometry oriGeom = aFeatuer.GetGeometryRef();
OSGeo.OGR.Geometry subGeom = oriGeom.GetGeometryRef(0);
int pointCount = subGeom.GetPointCount();
Point[] pointList = new Point[pointCount];
for (int c = 0; c < pointCount; c++)
{
pointList[c].X = subGeom.GetX(c);
pointList[c].Y = subGeom.GetY(c);
pointList[c].Z = subGeom.GetZ(c);
}
if (pointList.Length < seleTime * 3)
{
MessageBox.Show("这个图形点数小于重复次数~试试降低重复次数~或删除");
return(null);
}
List <int> ids = new List <int>();
for (int i = 0; i < pointList.Length; i++)
{
int frontId, thisId, backId;
bool[] yon = new bool[seleTime];
for (int t = 1; t <= seleTime; t++)
{
frontId = i < t ? pointList.Length - 1 + i - t : i - t;
thisId = i;
backId = i > pointList.Length - 1 - t ? i - (pointList.Length - 1) + t : i + t;
double jiaodu = cosCalculator(pointList[frontId], pointList[thisId], pointList[backId]);
yon[t - 1] = jiaodu > userSet;
}
if (yon.Contains(true))
{
ids.Add(i);
}
}
return(ids);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
///GDAL setup
RESTful.GdalConfiguration.ConfigureOgr();
///Working with data trees allows us to only call the osr coordinate transformation once, which seems to be expensive
GH_Structure <GH_Point> sourcePoints = new GH_Structure <GH_Point>();
DA.GetDataTree(0, out sourcePoints);
GH_Structure <GH_Point> destPoints = new GH_Structure <GH_Point>();
string sourceString = string.Empty;
DA.GetData(1, ref sourceString);
OSGeo.OSR.SpatialReference sourceSRS = new OSGeo.OSR.SpatialReference("");
sourceSRS.SetFromUserInput(sourceString);
if (sourceSRS.Validate() == 1)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Invalid Source SRS.");
return;
}
string destString = string.Empty;
DA.GetData(2, ref destString);
OSGeo.OSR.SpatialReference destSRS = new OSGeo.OSR.SpatialReference("");
destSRS.SetFromUserInput(destString);
if (destSRS.Validate() == 1)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "Invalid Destination SRS.");
return;
}
OSGeo.OSR.CoordinateTransformation trans = new OSGeo.OSR.CoordinateTransformation(sourceSRS, destSRS);
foreach (var path in sourcePoints.Paths)
{
List <GH_Point> branchPts = (List <GH_Point>)sourcePoints.get_Branch(path);
foreach (var sp in branchPts)
{
OSGeo.OGR.Geometry destOgrPoint = new OSGeo.OGR.Geometry(wkbGeometryType.wkbPoint);
destOgrPoint.AddPoint(sp.Value.X, sp.Value.Y, sp.Value.Z);
destOgrPoint.AssignSpatialReference(sourceSRS);
destOgrPoint.Transform(trans);
Point3d destPoint = new Point3d(destOgrPoint.GetX(0), destOgrPoint.GetY(0), destOgrPoint.GetZ(0));
destPoints.Append(new GH_Point(destPoint), path);
destOgrPoint.Dispose();
}
}
DA.SetDataTree(0, destPoints);
}
public static Curve OgrLinestringToCurve(OSGeo.OGR.Geometry linestring)
{
List <Point3d> ptList = new List <Point3d>();
for (int i = 0; i < linestring.GetPointCount(); i++)
{
ptList.Add(Convert.ToXYZ(new Point3d(linestring.GetX(i), linestring.GetY(i), linestring.GetZ(i))));
}
Polyline pL = new Polyline(ptList);
return(new Polyline(ptList).ToNurbsCurve());
}
//////////////////////////////////////////////////////
//////////////////////////////////////////////////////
///Converting GDAL geometry types to Rhino/GH geometry types
public static Point3d OgrPointToPoint3d(OSGeo.OGR.Geometry ogrPoint)
{
Point3d pt3d = new Point3d(ogrPoint.GetX(0), ogrPoint.GetY(0), ogrPoint.GetZ(0));
return(Convert.ToXYZ(pt3d));
}
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);
}
