public void AddFieldDefn(FieldDefn defn)
{
OgrPINVOKE.FeatureDefn_AddFieldDefn(swigCPtr, FieldDefn.getCPtr(defn));
if (OgrPINVOKE.SWIGPendingException.Pending)
{
throw OgrPINVOKE.SWIGPendingException.Retrieve();
}
}
public int CreateField(FieldDefn field_def, int approx_ok)
{
int ret = OgrPINVOKE.Layer_CreateField(swigCPtr, FieldDefn.getCPtr(field_def), approx_ok);
if (OgrPINVOKE.SWIGPendingException.Pending)
{
throw OgrPINVOKE.SWIGPendingException.Retrieve();
}
return(ret);
}
public int AlterFieldDefn(int iField, FieldDefn field_def, int nFlags)
{
int ret = OgrPINVOKE.Layer_AlterFieldDefn(swigCPtr, iField, FieldDefn.getCPtr(field_def), nFlags);
if (OgrPINVOKE.SWIGPendingException.Pending)
{
throw OgrPINVOKE.SWIGPendingException.Retrieve();
}
return(ret);
}
public FieldDefn GetFieldDefn(int i)
{
IntPtr cPtr = OgrPINVOKE.FeatureDefn_GetFieldDefn(swigCPtr, i);
FieldDefn ret = (cPtr == IntPtr.Zero) ? null : new FieldDefn(cPtr, false, ThisOwn_false());
if (OgrPINVOKE.SWIGPendingException.Pending)
{
throw OgrPINVOKE.SWIGPendingException.Retrieve();
}
return(ret);
}
public FieldDefn GetFieldDefnRef(string field_name)
{
IntPtr cPtr = OgrPINVOKE.Feature_GetFieldDefnRef__SWIG_1(swigCPtr, field_name);
FieldDefn ret = (cPtr == IntPtr.Zero) ? null : new FieldDefn(cPtr, false, ThisOwn_false());
if (OgrPINVOKE.SWIGPendingException.Pending)
{
throw OgrPINVOKE.SWIGPendingException.Retrieve();
}
return(ret);
}
public static HandleRef getCPtrAndSetReference(FieldDefn obj, object parent) {
if (obj != null)
{
obj.swigParentRef = parent;
return obj.swigCPtr;
}
else
{
return new HandleRef(null, IntPtr.Zero);
}
}
public static HandleRef getCPtrAndSetReference(FieldDefn obj, object parent)
{
if (obj != null)
{
obj.swigParentRef = parent;
return(obj.swigCPtr);
}
else
{
return(new HandleRef(null, IntPtr.Zero));
}
}
public static HandleRef getCPtrAndDisown(FieldDefn obj, object parent) {
if (obj != null)
{
obj.swigCMemOwn = false;
obj.swigParentRef = parent;
return obj.swigCPtr;
}
else
{
return new HandleRef(null, IntPtr.Zero);
}
}
public static HandleRef getCPtrAndDisown(FieldDefn obj, object parent)
{
if (obj != null)
{
obj.swigCMemOwn = false;
obj.swigParentRef = parent;
return(obj.swigCPtr);
}
else
{
return(new HandleRef(null, IntPtr.Zero));
}
}
/// <summary>
/// Reads the field types from the OgrFeatureDefinition -> OgrFieldDefinition
/// </summary>
/// <param name="fdt">FeatureDatatTable</param>
/// <param name="oLayer">OgrLayer</param>
private void ReadColumnDefinition(FeatureDataTable fdt, OSGeo.OGR.Layer oLayer)
{
using (OSGeo.OGR.FeatureDefn _OgrFeatureDefn = oLayer.GetLayerDefn())
{
int iField;
for (iField = 0; iField < _OgrFeatureDefn.GetFieldCount(); iField++)
{
using (OSGeo.OGR.FieldDefn _OgrFldDef = _OgrFeatureDefn.GetFieldDefn(iField))
{
OSGeo.OGR.FieldType type;
switch ((type = _OgrFldDef.GetFieldType()))
{
case OSGeo.OGR.FieldType.OFTInteger:
fdt.Columns.Add(_OgrFldDef.GetName(), System.Type.GetType("System.Int32"));
break;
case OSGeo.OGR.FieldType.OFTReal:
fdt.Columns.Add(_OgrFldDef.GetName(), System.Type.GetType("System.Double"));
break;
case OSGeo.OGR.FieldType.OFTString:
fdt.Columns.Add(_OgrFldDef.GetName(), System.Type.GetType("System.String"));
break;
case OSGeo.OGR.FieldType.OFTWideString:
fdt.Columns.Add(_OgrFldDef.GetName(), System.Type.GetType("System.String"));
break;
default:
{
//fdt.Columns.Add(_OgrFldDef.GetName(), System.Type.GetType("System.String"));
System.Diagnostics.Debug.WriteLine("Not supported type: " + type + " [" + _OgrFldDef.GetName() + "]");
break;
}
}
}
}
}
}
//从文件中读取数据
private static FeatureSource GetFeaturesource(SHPGeoDataBase thisdb, String path)
{
OSGeo.OGR.DataSource ds = GetOGRDataSource(thisdb, path);
//init schema
OSGeo.OGR.Layer layer = ds.GetLayerByIndex(0);
OSGeo.OGR.FeatureDefn fd = layer.GetLayerDefn();
Int32 sIndex = path.LastIndexOf("\\");
string sname = path.Substring(sIndex + 1, path.Length - sIndex - 1 - 4);
int fieldcount = fd.GetFieldCount();
Dictionary <String, FieldDefn> tmpField = new Dictionary <string, FieldDefn>();
for (int i = 0; i < fieldcount; ++i)
{
OSGeo.OGR.FieldDefn field = fd.GetFieldDefn(i);
tmpField.Add(field.GetName(), field);
}
GisSmartTools.RS.ReferenceSystem rfs;
OSGeo.OSR.SpatialReference osrrf = layer.GetSpatialRef();
if (osrrf.IsProjected() != 0)
{
rfs = new GisSmartTools.RS.SRS(osrrf);
}
else
{
rfs = new GisSmartTools.RS.GRS(osrrf);
}
Schema rs = new Schema(sname, layer.GetGeomType(), rfs, tmpField);
//get featurecollection
FeatureCollection fc = GetFeatureCollection(layer, rs);
//close file
//ds.Dispose();
return(new FeatureSource(rs, fc));
}
protected override void SolveInstance(IGH_DataAccess DA)
{
List <Curve> boundary = new List <Curve>();
DA.GetDataList <Curve>(0, boundary);
string shpFileLoc = "";
DA.GetData <string>("Shapefile Location", ref shpFileLoc);
////int SRef = 3857;
GdalConfiguration.ConfigureOgr();
GdalConfiguration.ConfigureGdal();
OSGeo.OGR.Driver drv = OSGeo.OGR.Ogr.GetDriverByName("ESRI Shapefile");
OSGeo.OGR.DataSource ds = OSGeo.OGR.Ogr.Open(shpFileLoc, 0);
List <OSGeo.OGR.Layer> layerset = new List <OSGeo.OGR.Layer>();
List <int> fc = new List <int>();
for (int iLayer = 0; iLayer < ds.GetLayerCount(); iLayer++)
{
OSGeo.OGR.Layer layer = ds.GetLayerByIndex(iLayer);
if (layer == null)
{
Console.WriteLine("FAILURE: Couldn't fetch advertised layer " + iLayer);
System.Environment.Exit(-1);
}
long count = layer.GetFeatureCount(1);
int featureCount = System.Convert.ToInt32(count);
fc.Add(featureCount);
layerset.Add(layer);
}
//Get OGR envelope of Shapefile
OSGeo.OGR.Envelope ext = new OSGeo.OGR.Envelope();
layerset[0].GetExtent(ext, 1);
Point3d extMin = new Point3d();
Point3d extMax = new Point3d();
extMin.X = ext.MinX;
extMin.Y = ext.MinY;
extMax.X = ext.MaxX;
extMax.Y = ext.MaxY;
OSGeo.OSR.SpatialReference sr = layerset[0].GetSpatialRef();
OSGeo.OSR.SpatialReference dst = new OSGeo.OSR.SpatialReference("");
dst.SetWellKnownGeogCS("WGS84");
//Get the spatial refernce of the input Shapefile
string sRef;
sr.ExportToWkt(out sRef);
OSGeo.OSR.CoordinateTransformation coordTransform = new OSGeo.OSR.CoordinateTransformation(sr, dst);
OSGeo.OSR.CoordinateTransformation revTransform = new OSGeo.OSR.CoordinateTransformation(dst, sr);
//Get bounding box of data in Shapefile
double[] extMinPT = new double[3] {
extMin.X, extMin.Y, extMin.Z
};
double[] extMaxPT = new double[3] {
extMax.X, extMax.Y, extMax.Z
};
coordTransform.TransformPoint(extMinPT);
coordTransform.TransformPoint(extMaxPT);
Point3d extPTmin = new Point3d(extMinPT[0], extMinPT[1], extMinPT[2]);
Point3d extPTmax = new Point3d(extMaxPT[0], extMaxPT[1], extMaxPT[2]);
Rectangle3d rec = new Rectangle3d(Plane.WorldXY, Heron.Convert.ToXYZ(extPTmin), Heron.Convert.ToXYZ(extPTmax));
//Declare trees
GH_Structure <GH_String> fset = new GH_Structure <GH_String>();
GH_Structure <GH_Point> gset = new GH_Structure <GH_Point>();
GH_Structure <GH_String> layname = new GH_Structure <GH_String>();
OSGeo.OGR.FeatureDefn def = layerset[0].GetLayerDefn();
//Loop through input boundaries
for (int i = 0; i < boundary.Count; i++)
{
if (rec.BoundingBox.Contains(boundary[i].GetBoundingBox(true).Min) && (rec.BoundingBox.Contains(boundary[i].GetBoundingBox(true).Max)))
{
//Create bounding box for clipping geometry
Point3d min = Heron.Convert.ToWGS(boundary[i].GetBoundingBox(true).Min);
Point3d max = Heron.Convert.ToWGS(boundary[i].GetBoundingBox(true).Max);
double[] minpT = new double[3];
double[] maxpT = new double[3];
minpT[0] = min.X;
minpT[1] = min.Y;
minpT[2] = min.Z;
maxpT[0] = max.X;
maxpT[1] = max.Y;
maxpT[2] = max.Z;
revTransform.TransformPoint(minpT);
revTransform.TransformPoint(maxpT);
OSGeo.OGR.Geometry bbox = OSGeo.OGR.Geometry.CreateFromWkt("POLYGON((" + min.X + " " + min.Y + ", " + min.X + " " + max.Y + ", " + max.X + " " + max.Y + ", " + max.X + " " + min.Y + ", " + min.X + " " + min.Y + "))");
OSGeo.OGR.Geometry ebbox = OSGeo.OGR.Geometry.CreateFromWkt("POLYGON((" + minpT[0] + " " + minpT[1] + ", " + minpT[0] + " " + maxpT[1] + ", " + maxpT[0] + " " + maxpT[1] + ", " + maxpT[0] + " " + minpT[1] + ", " + minpT[0] + " " + minpT[1] + "))");
//Clip Shapefile
//http://pcjericks.github.io/py-gdalogr-cookbook/vector_layers.html
OSGeo.OGR.Layer clipped_layer = layerset[0];
clipped_layer.SetSpatialFilter(ebbox);
//Loop through geometry
OSGeo.OGR.Feature feat;
def = clipped_layer.GetLayerDefn();
int m = 0;
while ((feat = layerset[0].GetNextFeature()) != null)
{
if (feat.GetGeometryRef() != null)
{
//Get geometry points and field values
OSGeo.OGR.Geometry geom = feat.GetGeometryRef();
OSGeo.OGR.Geometry sub_geom;
//Start get points if open polylines and points
for (int gpc = 0; gpc < geom.GetPointCount(); gpc++)
{ //Loop through geometry points
double[] pT = new double[3];
pT[0] = geom.GetX(gpc);
pT[1] = geom.GetY(gpc);
pT[2] = geom.GetZ(gpc);
if (Double.IsNaN(geom.GetZ(gpc)))
{
pT[2] = 0;
}
coordTransform.TransformPoint(pT);
Point3d pt3D = new Point3d();
pt3D.X = pT[0];
pt3D.Y = pT[1];
pt3D.Z = pT[2];
gset.Append(new GH_Point(Heron.Convert.ToXYZ(pt3D)), new GH_Path(i, m));
//End loop through geometry points
// Get Feature Values
if (fset.PathExists(new GH_Path(i, m)))
{
fset.get_Branch(new GH_Path(i, m)).Clear();
}
for (int iField = 0; iField < feat.GetFieldCount(); iField++)
{
OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
if (feat.IsFieldSet(iField))
{
fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, m));
}
else
{
fset.Append(new GH_String("null"), new GH_Path(i, m));
}
}
//End Get Feature Values
}
//End getting points if open polylines or points
//Start getting points if closed polylines and multipolygons
for (int gi = 0; gi < geom.GetGeometryCount(); gi++)
{
sub_geom = geom.GetGeometryRef(gi);
List <Point3d> geom_list = new List <Point3d>();
for (int ptnum = 0; ptnum < sub_geom.GetPointCount(); ptnum++)
{
//Loop through geometry points
double[] pT = new double[3];
pT[0] = sub_geom.GetX(ptnum);
pT[1] = sub_geom.GetY(ptnum);
pT[2] = sub_geom.GetZ(ptnum);
coordTransform.TransformPoint(pT);
Point3d pt3D = new Point3d();
pt3D.X = pT[0];
pt3D.Y = pT[1];
pt3D.Z = pT[2];
gset.Append(new GH_Point(Heron.Convert.ToXYZ(pt3D)), new GH_Path(i, m, gi));
//End loop through geometry points
// Get Feature Values
if (fset.PathExists(new GH_Path(i, m)))
{
fset.get_Branch(new GH_Path(i, m)).Clear();
}
for (int iField = 0; iField < feat.GetFieldCount(); iField++)
{
OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
if (feat.IsFieldSet(iField))
{
fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, m));
}
else
{
fset.Append(new GH_String("null"), new GH_Path(i, m));
}
}
//End Get Feature Values
}
//End getting points from closed polylines
}
m++;
}
feat.Dispose();
}
}
else
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "One or more boundaries may be outside the bounds of the Shapefile dataset.");
//return;
}
}
//Get the field names
List <string> fieldnames = new List <string>();
for (int iAttr = 0; iAttr < def.GetFieldCount(); iAttr++)
{
OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iAttr);
fieldnames.Add(fdef.GetNameRef());
}
DA.SetData(0, def.GetName());
DA.SetDataList(1, fc);
DA.SetData(2, rec);
DA.SetData(3, sRef);
DA.SetDataList(4, fieldnames);
DA.SetDataTree(5, fset);
DA.SetDataTree(6, gset);
}
public void AddFieldDefn(FieldDefn defn)
{
OgrPINVOKE.FeatureDefn_AddFieldDefn(swigCPtr, FieldDefn.getCPtr(defn));
if (OgrPINVOKE.SWIGPendingException.Pending) throw OgrPINVOKE.SWIGPendingException.Retrieve();
}
/// <summary>
/// 写shp文件
/// </summary>
/// <param name="lstAttribute"></param>
/// <param name="geometryType"></param>
/// <param name="lstWkt"></param>
/// <param name="lstAttributeObj"></param>
/// <param name="srsWkt"></param>
/// <returns></returns>
public bool DoExport(List <AttributeModel> lstAttribute, OSGeo.OGR.wkbGeometryType geometryType, List <string> lstWkt, List <AttributeObj> lstAttributeObj, string srsWkt)
{
_lstAttribute = lstAttribute;
_geoType = geometryType;
_lstWkt = lstWkt;
_lstAttributeObj = lstAttributeObj;
try
{
//注册
string pszDriverName = "ESRI Shapefile";
//调用对Shape文件读写的Driver接口
OSGeo.OGR.Driver poDriver = OSGeo.OGR.Ogr.GetDriverByName(pszDriverName);
if (poDriver == null)
{
throw new Exception("Driver Error");
}
//用此Driver创建Shape文件
OSGeo.OGR.DataSource poDS;
poDS = poDriver.CreateDataSource(_shpFileName, null);
if (poDS == null)
{
throw new Exception("DataSource Creation Error");
}
//定义坐标系
OSGeo.OSR.SpatialReference srs = new OSGeo.OSR.SpatialReference(srsWkt);
//创建层Layer
OSGeo.OGR.Layer poLayer = null;
string layerName = Path.GetFileNameWithoutExtension(_shpFileName);
poLayer = poDS.CreateLayer(layerName, srs, _geoType, null);
if (poLayer == null)
{
throw new Exception("Layer Creation Failed");
}
//创建属性列
foreach (AttributeModel att in _lstAttribute)
{
OSGeo.OGR.FieldDefn oField = new OSGeo.OGR.FieldDefn(att.AttributeName, att.AttributeType);
//if (att.AttributeWidth > 0)
//{
oField.SetWidth(att.AttributeWidth);
//}
oField.SetPrecision(att.AttributePrecision);
poLayer.CreateField(oField, att.AttributeApproxOK);
}
//创建一个Feature,一个Geometry
OSGeo.OGR.Feature poFeature = new OSGeo.OGR.Feature(poLayer.GetLayerDefn());
OSGeo.OGR.wkbGeometryType wkbGeotype = OSGeo.OGR.wkbGeometryType.wkbGeometryCollection;
OSGeo.OGR.Geometry geo = new OSGeo.OGR.Geometry(wkbGeotype);
for (int i = 0; i < _lstWkt.Count; i++)
{
foreach (KeyValuePair <string, string> item in _lstAttributeObj[i].AttributeValue)
{
poFeature.SetField(item.Key, item.Value);
}
geo = OSGeo.OGR.Geometry.CreateFromWkt(_lstWkt[i]);
poFeature.SetGeometry(geo);
poLayer.CreateFeature(poFeature);
}
//关闭文件读写
poFeature.Dispose();
poDS.Dispose();
return(true);
}
catch (System.Exception e)
{
return(false);
//throw new Exception(e.Message);
}
}
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);
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
///TODO: fix crash with "multi" types in a branch for shapefiles, can't create lines in a points layer
/// fix mesh/polygon face creation issue on sphere, dropping faces or flipped faces
/// fix swtich case for shapfiles so that points and multipoints (eg) are written to the same file. don't use switch anymore, us ifs
/// fix sql statements, they don't seem to have an effect. Need these to work for pulling apart geometry collections.
///Gather GHA inputs
string filename = string.Empty;
DA.GetData <string>("Vector Data Filename", ref filename);
string folder = string.Empty;
DA.GetData <string>("Vector Data Folder", ref folder);
folder = Path.GetFullPath(folder);
if (!folder.EndsWith(Path.DirectorySeparatorChar.ToString()))
{
folder += Path.DirectorySeparatorChar;
}
string shpPath = folder + filename + drvExtension;
///for more than one geometry type, a list of files for shapefile output needs to be established
List <string> shpPathList = new List <string>();
List <string> shpTypeList = new List <string>();
List <string> fields = new List <string>();
DA.GetDataList <string>("Fields", fields);
GH_Structure <GH_String> values = new GH_Structure <GH_String>();
DA.GetDataTree <GH_String>("Values", out values);
GH_Structure <IGH_GeometricGoo> gGoo = new GH_Structure <IGH_GeometricGoo>();
DA.GetDataTree <IGH_GeometricGoo>("Feature Geometry", out gGoo);
bool export = false;
DA.GetData <bool>("Export", ref export);
///GDAL setup
RESTful.GdalConfiguration.ConfigureOgr();
OSGeo.GDAL.Gdal.SetConfigOption("OGR_SKIP", "KML");
string driverType = drvType;
//OSGeo.OGR.Driver drv = Ogr.GetDriverByName("LIBKML");// driverType);
OSGeo.OGR.Driver drv = Ogr.GetDriverByName("GeoJSON");
if (export == true)
{
///File setup for save
FileInfo file = new FileInfo(folder);
file.Directory.Create();
if (File.Exists(shpPath))
{
drv.DeleteDataSource(shpPath);
}
///Create virtual datasource to be converted later
///Using geojson as a flexiblle base file type which can be converted later with ogr2ogr
DataSource ds = drv.CreateDataSource("/vsimem/out.geojson", null);
///Use WGS84 spatial reference
OSGeo.OSR.SpatialReference dst = new OSGeo.OSR.SpatialReference("");
dst.SetWellKnownGeogCS("WGS84");
Transform transform = Heron.Convert.XYZToWGSTransform();
///Use OGR catch-all for geometry types
var gtype = wkbGeometryType.wkbGeometryCollection;
///Create layer
//string[] layerOptions = new string[] { "LIBKML_USE_SCHEMADATA=NO", "LIBKML_USE_SIMPLEFIELD=NO", "LIBKML_ALTITUDEMODE_FIELD=relativeToGround" };
//string[] layerOptions = new string[] { "LIBKML_STRICT_COMPLIANCE=FALSE" };
OSGeo.OGR.Layer layer = ds.CreateLayer(filename, dst, gtype, null);
FeatureDefn def = layer.GetLayerDefn();
///Add fields to layer
for (int f = 0; f < fields.Count; f++)
{
OSGeo.OGR.FieldDefn fname = new OSGeo.OGR.FieldDefn(fields[f], OSGeo.OGR.FieldType.OFTString);
layer.CreateField(fname, f);
}
///Specific fields for LIBKML for use in Google Earth
///See LIBMKL driver for more info https://gdal.org/drivers/vector/libkml.html
if (drvType == "LIBKML")
{
OSGeo.OGR.FieldDefn kmlFieldAltitudeMode = new OSGeo.OGR.FieldDefn("altitudeMode", OSGeo.OGR.FieldType.OFTString);
layer.CreateField(kmlFieldAltitudeMode, fields.Count());
//OSGeo.OGR.FieldDefn kmlFieldExtrude = new OSGeo.OGR.FieldDefn("tessellate", OSGeo.OGR.FieldType.OFTInteger);
//layer.CreateField(kmlFieldExtrude, fields.Count()+1);
}
for (int a = 0; a < gGoo.Branches.Count; a++)
{
///create feature
OSGeo.OGR.Feature feature = new OSGeo.OGR.Feature(def);
///Set LIBKML specific fields for use in Google Earth, defaulting to 'relativeToGround'. Consider setting to 'absolute'.
if (drvType == "LIBKML")
{
feature.SetField("altitudeMode", "relativeToGround");
//feature.SetField("altitudeMode", "absolute");
//feature.SetField("tessellate", 0);
}
///TODO: Build style table
OSGeo.OGR.StyleTable styleTable = new StyleTable();
//feature.SetStyleString("BRUSH(fc:#0000FF);PEN(c:#000000)");
///Get geometry type(s) in branch
var geomList = gGoo.Branches[a];
string geomType = string.Empty;
List <string> geomTypeList = geomList.Select(o => o.TypeName).ToList();
///Test if geometry in the branch is of the same type.
///If there is more than one element of a type, tag as multi, if there is more than one type, tag as mixed
if (geomTypeList.Count == 1)
{
geomType = geomTypeList.First();
}
else if (geomTypeList.Count > 1 && geomTypeList.All(gt => gt == geomTypeList.First()))
{
geomType = "Multi" + geomTypeList.First();
}
else
{
geomType = "Mixed";
}
///For testing
//AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, geomType);
///Add geomtery to feature
///Create containers for translating from GH Goo
Point3d pt = new Point3d();
List <Point3d> pts = new List <Point3d>();
Curve crv = null;
List <Curve> crvs = new List <Curve>();
Mesh mesh = new Mesh();
Mesh multiMesh = new Mesh();
switch (geomType)
{
case "Point":
geomList.First().CastTo <Point3d>(out pt);
feature.SetGeometry(Heron.Convert.Point3dToOgrPoint(pt, transform));
if (!shpTypeList.Contains("POINT"))
{
shpTypeList.Add("POINT");
}
break;
case "MultiPoint":
foreach (var point in geomList)
{
point.CastTo <Point3d>(out pt);
pts.Add(pt);
}
feature.SetGeometry(Heron.Convert.Point3dsToOgrMultiPoint(pts, transform));
if (!shpTypeList.Contains("MULTIPOINT"))
{
shpTypeList.Add("MULTIPOINT");
}
break;
case "Curve":
geomList.First().CastTo <Curve>(out crv);
feature.SetGeometry(Heron.Convert.CurveToOgrLinestring(crv, transform));
if (!shpTypeList.Contains("LINESTRING"))
{
shpTypeList.Add("LINESTRING");
}
break;
case "MultiCurve":
foreach (var curve in geomList)
{
curve.CastTo <Curve>(out crv);
crvs.Add(crv);
}
feature.SetGeometry(Heron.Convert.CurvesToOgrMultiLinestring(crvs, transform));
if (!shpTypeList.Contains("MULTILINESTRING"))
{
shpTypeList.Add("MULTILINESTRING");
}
break;
case "Mesh":
geomList.First().CastTo <Mesh>(out mesh);
feature.SetGeometry(Heron.Convert.MeshToMultiPolygon(mesh, transform));
if (!shpTypeList.Contains("MULTIPOLYGON"))
{
shpTypeList.Add("MULTIPOLYGON");
}
break;
case "MultiMesh":
foreach (var m in geomList)
{
Mesh meshPart = new Mesh();
m.CastTo <Mesh>(out meshPart);
multiMesh.Append(meshPart);
}
feature.SetGeometry(Heron.Convert.MeshToMultiPolygon(multiMesh, transform));
if (!shpTypeList.Contains("MULTIPOLYGON"))
{
shpTypeList.Add("MULTIPOLYGON");
}
break;
case "Mixed":
OSGeo.OGR.Geometry geoCollection = new OSGeo.OGR.Geometry(wkbGeometryType.wkbGeometryCollection);
for (int gInt = 0; gInt < geomList.Count; gInt++)
{
string geomTypeMixed = geomTypeList[gInt];
switch (geomTypeMixed)
{
case "Point":
geomList[gInt].CastTo <Point3d>(out pt);
geoCollection.AddGeometry(Heron.Convert.Point3dToOgrPoint(pt, transform));
break;
case "Curve":
geomList[gInt].CastTo <Curve>(out crv);
geoCollection.AddGeometry(Heron.Convert.CurveToOgrLinestring(crv, transform));
break;
case "Mesh":
geomList[gInt].CastTo <Mesh>(out mesh);
geoCollection.AddGeometry(Ogr.ForceToMultiPolygon(Heron.Convert.MeshToMultiPolygon(mesh, transform)));
break;
default:
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Not able to export " + geomType + " geometry at branch " + gGoo.get_Path(a).ToString() +
". Geometry must be a Point, Curve or Mesh.");
break;
}
}
feature.SetGeometry(geoCollection);
if (!shpTypeList.Contains("GEOMETRYCOLLECTION"))
{
shpTypeList.Add("GEOMETRYCOLLECTION");
}
break;
default:
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Not able to export " + geomType + " geometry at branch " + gGoo.get_Path(a).ToString() +
". Geometry must be a Point, Curve or Mesh.");
break;
}
///Give the feature a unique ID
feature.SetFID(a);
///Add values to fields
GH_Path path = gGoo.get_Path(a);
for (int vInt = 0; vInt < fields.Count; vInt++)
{
string val = string.Empty;
if (values.get_Branch(path) != null)
{
val = values.get_DataItem(path, vInt).ToString();
}
feature.SetField(fields[vInt], val);
}
///Save feature to layer
layer.CreateFeature(feature);
///Cleanup
feature.Dispose();
}
layer.Dispose();
ds.Dispose();
drv.Dispose();
///Convert in memory dataset to file using ogr2ogr
///For KML set 'altitudeMode' to 'relativeToGround' or 'absolute'
///Set base options for all export types
if (drvType == "KML")
{
drvType = "LIBKML";
}
List <string> ogr2ogrOptions = new List <string> {
"-overwrite",
"-f", drvType,
"-dim", "XYZ",
"-skipfailures",
//"-lco", "LIBKML_STRICT_COMPLIANCE=FALSE",
//"-lco", "AltitudeMode=absolute",
//"-dsco", "SHAPE_REWIND_ON_WRITE=YES"
};
Dataset src = Gdal.OpenEx("/vsimem/out.geojson", 0, null, null, null);
if (drvType != "ESRI Shapefile")
{
Dataset destDataset = Gdal.wrapper_GDALVectorTranslateDestName(shpPath, src, new GDALVectorTranslateOptions(ogr2ogrOptions.ToArray()), null, null);
destDataset.Dispose();
shpPathList.Add(shpPath);
}
///Export multiple layers for shapefile
///https://trac.osgeo.org/gdal/wiki/FAQVector#HowdoItranslateamixedgeometryfiletoshapefileformat
else
{
///
if (shpTypeList.Count <= 1 && shpTypeList.First() != "GEOMETRYCOLLECTION")
{
if (shpTypeList.First() == "POLYGON" || shpTypeList.First() == "MULTIPOLYGON")
{
ogr2ogrOptions.AddRange(new List <string> {
"-lco", "SHPT=MULTIPATCH"
});
}
Dataset destDataset = Gdal.wrapper_GDALVectorTranslateDestName(shpPath, src, new GDALVectorTranslateOptions(ogr2ogrOptions.ToArray()), null, null);
destDataset.Dispose();
shpPathList.Add(shpPath);
}
else
{
///Add -explodecollections for mixed geometries in a branch
///"-where" statement is not necessary, but could speed up big datasets
string shpFileName = string.Empty;
List <string> ogr2ogrShpOptions = new List <string>();
if (shpTypeList.Contains("POINT") || shpTypeList.Contains("MULTIPOINT"))
{
shpFileName = folder + filename + "_points.shp";
shpPathList.Add(shpFileName);
List <string> ogr2ogrShpOptionsPts = new List <string> {
"-overwrite",
"-f", drvType,
"-dim", "XYZ",
"-skipfailures"
};
//ogr2ogrShpOptionsPts.AddRange(new List<string> { "-where", "ogr_geometry=POINT", "-where", "ogr_geometry=MULTIPOINT", "-lco", "SHPT=MULTIPOINTZ", "-nlt", "PROMOTE_TO_MULTI"});
ogr2ogrShpOptionsPts.AddRange(new List <string> {
"-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='MULTIPOINT' OR OGR_GEOMETRY='POINT'", "-lco", "SHPT=MULTIPOINTZ", "-nlt", "PROMOTE_TO_MULTI"
});
//ogr2ogrShpOptionsPts.AddRange(new List<string> { "-dialect", "sqlite", "-sql", "select * from " + filename + " where GeometryType(geometry) in ('POINT','MULTIPOINT')", "-lco", "SHPT=MULTIPOINTZ", "-nlt", "PROMOTE_TO_MULTI" });
Dataset destDatasetPoint = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsPts.ToArray()), null, null);
destDatasetPoint.Dispose();
}
if (shpTypeList.Contains("LINESTRING") || shpTypeList.Contains("MULTILINESTRING"))
{
shpFileName = folder + filename + "_lines.shp";
shpPathList.Add(shpFileName);
List <string> ogr2ogrShpOptionsLines = new List <string> {
"-overwrite",
"-f", drvType,
"-dim", "XYZ",
"-skipfailures"
};
//ogr2ogrShpOptionsLines.AddRange(new List<string> { "-where", "ogr_geometry=LINESTRING25D", "-where", "ogr_geometry=MULTILINESTRING25D", "-lco", "SHPT=ARCZ", "-nlt", "PROMOTE_TO_MULTI" });
ogr2ogrShpOptionsLines.AddRange(new List <string> {
"-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='LINESTRING' OR OGR_GEOMETRY='MULTILINESTRING'", "-lco", "SHPT=ARCZ", "-nlt", "PROMOTE_TO_MULTI"
});
//ogr2ogrShpOptionsLines.AddRange(new List<string> { "-dialect", "sqlite", "-sql", "select * from " + filename + " where GeometryType(geometry) in ('LINESTRING','MULTILINESTRING')", "-lco", "SHPT=ARCZ", "-nlt", "PROMOTE_TO_MULTI" });
Dataset destDatasetLinestring = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsLines.ToArray()), null, null);
destDatasetLinestring.Dispose();
}
if (shpTypeList.Contains("POLYGON") || shpTypeList.Contains("MULTIPOLYGON"))
{
shpFileName = folder + filename + "_polygons.shp";
shpPathList.Add(shpFileName);
List <string> ogr2ogrShpOptionsPolygons = new List <string> {
"-overwrite",
"-f", drvType,
"-dim", "XYZ",
"-skipfailures",
"-dsco", "SHAPE_REWIND_ON_WRITE=NO"
};
//ogr2ogrShpOptionsPolygons.AddRange(new List<string> { "-where", "ogr_geometry=POLYGON", "-where", "ogr_geometry=MULTIPOLYGON", "-lco", "SHPT=POLYGONZ", "-nlt", "PROMOTE_TO_MULTI" });
ogr2ogrShpOptionsPolygons.AddRange(new List <string> {
"-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='MULTIPOLYGON25D' OR OGR_GEOMETRY='POLYGON25D'", "-lco", "SHPT=POLYGONZ", "-nlt", "PROMOTE_TO_MULTI"
});
Dataset destDatasetPolygon = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsPolygons.ToArray()), null, null);
destDatasetPolygon.Dispose();
}
///Not working properly when multiple geometry types are part of the same branch for SHP export.
if (shpTypeList.Contains("GEOMETRYCOLLECTION"))
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "One or more branches contain a mix of geometry types.");
///export points
shpFileName = folder + filename + "_gc-points.shp";
shpPathList.Add(shpFileName);
List <string> ogr2ogrShpOptionsGCPts = new List <string> {
"-overwrite",
"-f", drvType,
"-dim", "XYZ",
"-skipfailures"
};
ogr2ogrShpOptionsGCPts.AddRange(new List <string> {
"-explodecollections", "-where", "ogr_geometry=GEOMETRYCOLLECTION", "-lco", "SHPT=MULTIPOINTZ", "-nlt", "PROMOTE_TO_MULTI"
});
//ogr2ogrShpOptionsGCPts.AddRange(new List<string> { "-explodecollections", "-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='MULTIPOINT' OR OGR_GEOMETRY='POINT'", "-lco", "SHPT=MULTIPOINTZ", "-nlt", "PROMOTE_TO_MULTI" });
Dataset destDatasetGCPoints = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsGCPts.ToArray()), null, null);
destDatasetGCPoints.Dispose();
///export lines
shpFileName = folder + filename + "_gc-lines.shp";
shpPathList.Add(shpFileName);
List <string> ogr2ogrShpOptionsGCLines = new List <string> {
"-overwrite",
"-f", drvType,
"-dim", "XYZ",
"-skipfailures"
};
ogr2ogrShpOptionsGCLines.AddRange(new List <string> {
"-explodecollections", "-where", "ogr_geometry=GEOMETRYCOLLECTION", "-lco", "SHPT=ARCZ", "-nlt", "PROMOTE_TO_MULTI"
});
//ogr2ogrShpOptionsGCLines.AddRange(new List<string> { "-explodecollections", "-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='MULTILINESTRING25D' OR OGR_GEOMETRY='LINESTRING25D'", "-lco", "SHPT=ARCZ", "-nlt", "PROMOTE_TO_MULTI" });
Dataset destDatasetGCLines = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsGCLines.ToArray()), null, null);
destDatasetGCLines.Dispose();
///export meshes
shpFileName = folder + filename + "_gc-polygons.shp";
shpPathList.Add(shpFileName);
List <string> ogr2ogrShpOptionsGCPolygons = new List <string> {
"-overwrite",
"-f", drvType,
"-dim", "XYZ",
"-skipfailures",
"-dsco", "SHAPE_REWIND_ON_WRITE=NO"
};
ogr2ogrShpOptionsGCPolygons.AddRange(new List <string> {
"-explodecollections", "-where", "ogr_geometry=GEOMETRYCOLLECTION", "-lco", "SHPT=POLYGONZ", "-nlt", "PROMOTE_TO_MULTI"
});
//ogr2ogrShpOptionsGCPolygons.AddRange(new List<string> { "-explodecollections", "-sql", "SELECT * FROM " + filename + " WHERE OGR_GEOMETRY='MULTIPOLYGON' OR OGR_GEOMETRY='POLYGON'", "-lco", "SHPT=POLYGONZ", "-nlt", "PROMOTE_TO_MULTI" });
Dataset destDatasetGCPolygons = Gdal.wrapper_GDALVectorTranslateDestName(shpFileName, src, new GDALVectorTranslateOptions(ogr2ogrShpOptionsGCPolygons.ToArray()), null, null);
destDatasetGCPolygons.Dispose();
}
}
}
///Clean up
Gdal.Unlink("/vsimem/out.geojson");
}
DA.SetDataList(0, shpPathList);
}
public static HandleRef getCPtr(FieldDefn obj)
{
return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
}
//read data really
private static FeatureCollection GetFeatureCollection(OSGeo.OGR.Layer layer, GisSmartTools.Data.Schema schema)
{
FeatureCollection fc = new FeatureCollection();
OSGeo.OGR.Feature feature;
OSGeo.OGR.FeatureDefn posDefn = layer.GetLayerDefn();
int fieldCount = posDefn.GetFieldCount();
int iField = 0;
//read all the features in layer
while ((feature = layer.GetNextFeature()) != null)
{
OSGeo.OGR.Geometry geometry = feature.GetGeometryRef();
GisSmartTools.Data.Feature feat = new Feature(feature.GetFID(), schema, null);
//get and save feature's attributes
for (iField = 0; iField < fieldCount; iField++)
{
OSGeo.OGR.FieldDefn oField = posDefn.GetFieldDefn(iField);
Object objAttr;
FieldType ft = oField.GetFieldType();
switch (ft)
{
case FieldType.OFTString:
objAttr = feature.GetFieldAsString(iField);
break;
case FieldType.OFTInteger:
objAttr = feature.GetFieldAsInteger(iField);
break;
case FieldType.OFTReal:
objAttr = feature.GetFieldAsDouble(iField);
break;
case FieldType.OFTWideString:
objAttr = feature.GetFieldAsString(iField);
break;
case FieldType.OFTStringList:
objAttr = feature.GetFieldAsStringList(iField);
break;
case FieldType.OFTIntegerList:
int outCount;
objAttr = feature.GetFieldAsIntegerList(iField, out outCount);
break;
case FieldType.OFTRealList:
int outCount2;
objAttr = feature.GetFieldAsDoubleList(iField, out outCount2);
break;
case FieldType.OFTWideStringList:
objAttr = feature.GetFieldAsStringList(iField);
break;
default:
objAttr = feature.GetFieldAsString(iField);
break;
}
feat.AddAttribute(oField.GetName(), objAttr);
}
//get geometry
if (geometry != null)
{
OSGeo.OGR.wkbGeometryType goetype = geometry.GetGeometryType();
switch (goetype) //according to the type, we operate differently
{
case wkbGeometryType.wkbPoint:
if (geometry != null && goetype == wkbGeometryType.wkbPoint)
{
feat.geometry = new PointD(geometry.GetX(0), geometry.GetY(0));
}
//add feature to featureCollection
fc.InsertFeature(feat);
break;
case wkbGeometryType.wkbLineString:
List <PointD> pointlist = new List <PointD>();
int pointcount = geometry.GetPointCount();
for (int k = 0; k < pointcount; k++)
{
pointlist.Add(new PointD(geometry.GetX(k), geometry.GetY(k)));
}
feat.geometry = new SimplePolyline(pointlist);
//add feature to featureCollection
fc.InsertFeature(feat);
break;
case wkbGeometryType.wkbMultiLineString:
feat.geometry = GetPolyline(geometry);
fc.InsertFeature(feat);
break;
case wkbGeometryType.wkbPolygon:
feat.geometry = GetSimplePolygon(geometry);
//add feature to featureCollection
fc.InsertFeature(feat);
break;
case wkbGeometryType.wkbMultiPolygon:
feat.geometry = GetPolygon(geometry);
fc.InsertFeature(feat);
break;
default:
//we don't support another geometry types,
//so we don't load those records to avoid errors
break;
}
}
else
{
Console.WriteLine("kkkkkkkkkkkkkkkkkkkkkkkkkkkkkk");
}
}
return(fc);
}
public static void Main(string[] args)
{
if (args.Length != 2) usage();
// Using early initialization of System.Console
Console.WriteLine("");
/* -------------------------------------------------------------------- */
/* Register format(s). */
/* -------------------------------------------------------------------- */
Ogr.RegisterAll();
/* -------------------------------------------------------------------- */
/* Get driver */
/* -------------------------------------------------------------------- */
Driver drv = Ogr.GetDriverByName("ESRI Shapefile");
if (drv == null)
{
Console.WriteLine("Can't get driver.");
System.Environment.Exit(-1);
}
// TODO: drv.name is still unsafe with lazy initialization (Bug 1339)
//string DriverName = drv.name;
//Console.WriteLine("Using driver " + DriverName);
/* -------------------------------------------------------------------- */
/* Creating the datasource */
/* -------------------------------------------------------------------- */
DataSource ds = drv.CreateDataSource( args[0], new string[] {} );
if (drv == null)
{
Console.WriteLine("Can't create the datasource.");
System.Environment.Exit(-1);
}
/* -------------------------------------------------------------------- */
/* Creating the layer */
/* -------------------------------------------------------------------- */
Layer layer;
int i;
for(i=0;i<ds.GetLayerCount();i++)
{
layer = ds.GetLayerByIndex( i );
if( layer != null && layer.GetLayerDefn().GetName() == args[1])
{
Console.WriteLine("Layer already existed. Recreating it.\n");
ds.DeleteLayer(i);
break;
}
}
layer = ds.CreateLayer( args[1], null, wkbGeometryType.wkbPoint, new string[] {} );
if( layer == null )
{
Console.WriteLine("Layer creation failed.");
System.Environment.Exit(-1);
}
/* -------------------------------------------------------------------- */
/* Adding attribute fields */
/* -------------------------------------------------------------------- */
FieldDefn fdefn = new FieldDefn( "Name", FieldType.OFTString );
fdefn.SetWidth(32);
if( layer.CreateField( fdefn, 1 ) != 0 )
{
Console.WriteLine("Creating Name field failed.");
System.Environment.Exit(-1);
}
fdefn = new FieldDefn( "IntField", FieldType.OFTInteger );
if( layer.CreateField( fdefn, 1 ) != 0 )
{
Console.WriteLine("Creating IntField field failed.");
System.Environment.Exit(-1);
}
fdefn = new FieldDefn( "DbleField", FieldType.OFTReal );
if( layer.CreateField( fdefn, 1 ) != 0 )
{
Console.WriteLine("Creating DbleField field failed.");
System.Environment.Exit(-1);
}
fdefn = new FieldDefn( "DateField", FieldType.OFTDate );
if( layer.CreateField( fdefn, 1 ) != 0 )
{
Console.WriteLine("Creating DateField field failed.");
System.Environment.Exit(-1);
}
/* -------------------------------------------------------------------- */
/* Adding features */
/* -------------------------------------------------------------------- */
Feature feature = new Feature( layer.GetLayerDefn() );
feature.SetField( "Name", "value" );
feature.SetField( "IntField", (int)123 );
feature.SetField( "DbleField", (double)12.345 );
feature.SetField( "DateField", 2007, 3, 15, 18, 24, 30, 0 );
Geometry geom = Geometry.CreateFromWkt("POINT(47.0 19.2)");
if( feature.SetGeometry( geom ) != 0 )
{
Console.WriteLine( "Failed add geometry to the feature" );
System.Environment.Exit(-1);
}
if( layer.CreateFeature( feature ) != 0 )
{
Console.WriteLine( "Failed to create feature in shapefile" );
System.Environment.Exit(-1);
}
ReportLayer(layer);
}
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);
}
//生成点shp的函数
public void pint()
{
string shpname = System.IO.Path.GetFileNameWithoutExtension(tra_input_tb.Text);//生产的shp文件名为输入文件的文件名；
//注册Ogr库
string pszDriverName = "ESRI Shapefile";
OSGeo.OGR.Ogr.RegisterAll();
//调用对Shape文件读写的Driver接口
OSGeo.OGR.Driver poDriver = OSGeo.OGR.Ogr.GetDriverByName(pszDriverName);
if (poDriver == null)
{
MessageBox.Show("Driver Error");
}
OSGeo.GDAL.Gdal.SetConfigOption("GDAL_FILENAME_IS_UTF8", "YES");
//用此Driver创建Shape文件//数据源
OSGeo.OGR.DataSource poDS;
poDS = poDriver.CreateDataSource("D:\\SHP_TRY", null);
if (poDS == null)
{
MessageBox.Show("DataSource Creation Error");
}
//创建层Layer
OSGeo.OGR.Layer poLayer;
poLayer = poDS.CreateLayer(shpname, null, OSGeo.OGR.wkbGeometryType.wkbPoint, null);//shpname为提取输入TXT的文件名为shp文件文件名；
if (poLayer == null)
{
MessageBox.Show("Layer Creation Failed");
}
//创建属性表!!!!!这里是根据基站的TXT的做的实验以后可以改数据
OSGeo.OGR.FieldDefn oField0 = new OSGeo.OGR.FieldDefn("uid", OSGeo.OGR.FieldType.OFTString);
oField0.SetWidth(16);
OSGeo.OGR.FieldDefn oField1 = new OSGeo.OGR.FieldDefn("time", OSGeo.OGR.FieldType.OFTString);
OSGeo.OGR.FieldDefn oField2 = new OSGeo.OGR.FieldDefn("locationid", OSGeo.OGR.FieldType.OFTString);
OSGeo.OGR.FieldDefn oField3 = new OSGeo.OGR.FieldDefn("lat", OSGeo.OGR.FieldType.OFTString);
OSGeo.OGR.FieldDefn oField4 = new OSGeo.OGR.FieldDefn("lon", OSGeo.OGR.FieldType.OFTInteger);
poLayer.CreateField(oField0, 1);
poLayer.CreateField(oField2, 2);
poLayer.CreateField(oField0, 3);
poLayer.CreateField(oField0, 4);
poLayer.CreateField(oField0, 5);
//创建一个Feature,一个Point
OSGeo.OGR.Feature poFeature = new OSGeo.OGR.Feature(poLayer.GetLayerDefn());
OSGeo.OGR.Geometry pt = new OSGeo.OGR.Geometry(OSGeo.OGR.wkbGeometryType.wkbPoint);
string path = tra_input_tb.Text;//TXT输入路径；
string l;
StreamReader sr = new StreamReader(path, Encoding.Default);
while ((l = sr.ReadLine()) != null)
{
string[] strArr = sr.ReadLine().Split('\t');
//属性表赋值
poFeature.SetField(0, strArr[0]);
poFeature.SetField(1, strArr[4]);
poFeature.SetField(2, strArr[3]);
poFeature.SetField(3, strArr[1]);
poFeature.SetField(4, strArr[2]);
//添加坐标点
pt.AddPoint(Convert.ToDouble(strArr[2]), Convert.ToDouble(strArr[1]), 0);
poFeature.SetGeometry(pt);
//将带有坐标及属性的Feature要素点写入Layer中
poLayer.CreateFeature(poFeature);
}
//关闭文件读写
poFeature.Dispose();
poDS.Dispose();
MessageBox.Show("生成文件在：D:\\SHP_TRY！");
}
public static HandleRef getCPtr(FieldDefn obj)
{
return((obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr);
}
public int AlterFieldDefn(int iField, FieldDefn field_def, int nFlags)
{
int ret = OgrPINVOKE.Layer_AlterFieldDefn(swigCPtr, iField, FieldDefn.getCPtr(field_def), nFlags);
if (OgrPINVOKE.SWIGPendingException.Pending) throw OgrPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
/// <summary>
/// This is the method that actually does the work.
/// </summary>
/// <param name="DA">The DA object is used to retrieve from inputs and store in outputs.</param>
protected override void SolveInstance(IGH_DataAccess DA)
{
Curve boundary = null;
DA.GetData <Curve>(0, ref boundary);
int zoom = -1;
DA.GetData <int>(1, ref zoom);
string filePath = string.Empty;
DA.GetData <string>(2, ref filePath);
if (!filePath.EndsWith(@"\"))
{
filePath = filePath + @"\";
}
string prefix = string.Empty;
DA.GetData <string>(3, ref prefix);
if (prefix == "")
{
prefix = mbSource;
}
string URL = mbURL;
string mbToken = string.Empty;
DA.GetData <string>(4, ref mbToken);
if (mbToken == "")
{
string hmbToken = System.Environment.GetEnvironmentVariable("HERONMAPBOXTOKEN");
if (hmbToken != null)
{
mbToken = hmbToken;
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Using Mapbox token stored in Environment Variable HERONMAPBOXTOKEN.");
}
else
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "No Mapbox token is specified. Please get a valid token from mapbox.com");
return;
}
}
bool run = false;
DA.GetData <bool>("Run", ref run);
///GDAL setup
RESTful.GdalConfiguration.ConfigureOgr();
OSGeo.OGR.Ogr.RegisterAll();
RESTful.GdalConfiguration.ConfigureGdal();
GH_Curve imgFrame;
GH_String tCount;
GH_Structure <GH_String> fnames = new GH_Structure <GH_String>();
GH_Structure <GH_String> fvalues = new GH_Structure <GH_String>();
GH_Structure <IGH_GeometricGoo> gGoo = new GH_Structure <IGH_GeometricGoo>();
GH_Structure <GH_String> gtype = new GH_Structure <GH_String>();
GH_Structure <IGH_GeometricGoo> gGooBuildings = new GH_Structure <IGH_GeometricGoo>();
int tileTotalCount = 0;
int tileDownloadedCount = 0;
///Get image frame for given boundary
if (!boundary.GetBoundingBox(true).IsValid)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Boundary is not valid.");
return;
}
BoundingBox boundaryBox = boundary.GetBoundingBox(true);
//create cache folder for vector tiles
string cacheLoc = filePath + @"HeronCache\";
List <string> cachefilePaths = new List <string>();
if (!Directory.Exists(cacheLoc))
{
Directory.CreateDirectory(cacheLoc);
}
//tile bounding box array
List <Point3d> boxPtList = new List <Point3d>();
//get the tile coordinates for all tiles within boundary
var ranges = Convert.GetTileRange(boundaryBox, zoom);
var x_range = ranges.XRange;
var y_range = ranges.YRange;
if (x_range.Length > 100 || y_range.Length > 100)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "This tile range is too big (more than 100 tiles in the x or y direction). Check your units.");
return;
}
///cycle through tiles to get bounding box
List <Polyline> tileExtents = new List <Polyline>();
List <double> tileHeight = new List <double>();
List <double> tileWidth = new List <double>();
for (int y = (int)y_range.Min; y <= y_range.Max; y++)
{
for (int x = (int)x_range.Min; x <= x_range.Max; x++)
{
//add bounding box of tile to list for translation
Polyline tileExtent = Heron.Convert.GetTileAsPolygon(zoom, y, x);
tileExtents.Add(tileExtent);
tileWidth.Add(tileExtent[0].DistanceTo(tileExtent[1]));
tileHeight.Add(tileExtent[1].DistanceTo(tileExtent[2]));
boxPtList.AddRange(tileExtent.ToList());
cachefilePaths.Add(cacheLoc + mbSource.Replace(" ", "") + zoom + "-" + x + "-" + y + ".mvt");
tileTotalCount = tileTotalCount + 1;
}
}
tCount = new GH_String(tileTotalCount + " tiles (" + tileDownloadedCount + " downloaded / " + (tileTotalCount - tileDownloadedCount) + " cached)");
///bounding box of tile boundaries
BoundingBox bboxPts = new BoundingBox(boxPtList);
///convert bounding box to polyline
List <Point3d> imageCorners = bboxPts.GetCorners().ToList();
imageCorners.Add(imageCorners[0]);
imgFrame = new GH_Curve(new Rhino.Geometry.Polyline(imageCorners).ToNurbsCurve());
///tile range as string for (de)serialization of TileCacheMeta
string tileRangeString = "Tile range for zoom " + zoom.ToString() + ": "
+ x_range[0].ToString() + "-"
+ y_range[0].ToString() + " to "
+ x_range[1].ToString() + "-"
+ y_range[1].ToString();
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, tileRangeString);
///Query Mapbox URL
///download all tiles within boundary
///API to query
string mbURLauth = mbURL + mbToken;
if (run == true)
{
for (int y = (int)y_range.Min; y <= (int)y_range.Max; y++)
{
for (int x = (int)x_range.Min; x <= (int)x_range.Max; x++)
{
//create tileCache name
string tileCache = mbSource.Replace(" ", "") + zoom + "-" + x + "-" + y + ".mvt";
string tileCacheLoc = cacheLoc + tileCache;
//check cache folder to see if tile image exists locally
if (File.Exists(tileCacheLoc))
{
}
else
{
string urlAuth = Heron.Convert.GetZoomURL(x, y, zoom, mbURLauth);
System.Net.WebClient client = new System.Net.WebClient();
client.DownloadFile(urlAuth, tileCacheLoc);
client.Dispose();
///https://gdal.org/development/rfc/rfc59.1_utilities_as_a_library.html
///http://osgeo-org.1560.x6.nabble.com/gdal-dev-How-to-convert-shapefile-to-geojson-using-c-bindings-td5390953.html#a5391028
///ogr2ogr is slow
//OSGeo.GDAL.Dataset httpDS = OSGeo.GDAL.Gdal.OpenEx("MVT:"+urlAuth,4,null,null,null);
//var transOptions = new OSGeo.GDAL.GDALVectorTranslateOptions(new[] { "-s_srs","EPSG:3857", "-t_srs", "EPSG:4326","-skipfailures" });
//var transDS = OSGeo.GDAL.Gdal.wrapper_GDALVectorTranslateDestName(mvtLoc + zoom + "-" + x + "-" + y , httpDS, transOptions, null, null);
//httpDS.Dispose();
//transDS.Dispose();
tileDownloadedCount = tileDownloadedCount + 1;
}
}
}
}
//add to tile count total
tCount = new GH_String(tileTotalCount + " tiles (" + tileDownloadedCount + " downloaded / " + (tileTotalCount - tileDownloadedCount) + " cached)");
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, tCount.ToString());
///Build a VRT file
///https://stackoverflow.com/questions/55386597/gdal-c-sharp-wrapper-for-vrt-doesnt-write-a-vrt-file
//string vrtFile = cacheLoc + "mapboxvector.vrt";
//AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, vrtFile);
//var vrtOptions = new OSGeo.GDAL.GDALBuildVRTOptions(new[] { "-overwrite" });
//var vrtDataset = OSGeo.GDAL.Gdal.wrapper_GDALBuildVRT_names(vrtFile, cachefilePaths.ToArray(), vrtOptions, null, null);
//vrtDataset.Dispose();
///Set transform from input spatial reference to Rhino spatial reference
///TODO: look into adding a step for transforming to CRS set in SetCRS
OSGeo.OSR.SpatialReference rhinoSRS = new OSGeo.OSR.SpatialReference("");
rhinoSRS.SetWellKnownGeogCS("WGS84");
///TODO: verify the userSRS is valid
///TODO: use this as override of global SetSRS
OSGeo.OSR.SpatialReference userSRS = new OSGeo.OSR.SpatialReference("");
//userSRS.SetFromUserInput(userSRStext);
userSRS.SetFromUserInput("WGS84");
OSGeo.OSR.SpatialReference sourceSRS = new SpatialReference("");
sourceSRS.SetFromUserInput("EPSG:3857");
///These transforms move and scale in order to go from userSRS to XYZ and vice versa
Transform userSRSToModelTransform = Heron.Convert.GetUserSRSToModelTransform(userSRS);
Transform modelToUserSRSTransform = Heron.Convert.GetModelToUserSRSTransform(userSRS);
Transform sourceToModelSRSTransform = Heron.Convert.GetUserSRSToModelTransform(sourceSRS);
Transform modelToSourceSRSTransform = Heron.Convert.GetModelToUserSRSTransform(sourceSRS);
//OSGeo.GDAL.Driver gdalOGR = OSGeo.GDAL.Gdal.GetDriverByName("VRT");
//var ds = OSGeo.GDAL.Gdal.OpenEx(vrtFile, 4, ["VRT","MVT"], null, null);
int t = 0;
foreach (string mvtTile in cachefilePaths)// cachefilePaths)
{
OSGeo.OGR.Driver drv = OSGeo.OGR.Ogr.GetDriverByName("MVT");
OSGeo.OGR.DataSource ds = OSGeo.OGR.Ogr.Open("MVT:" + mvtTile, 0);
string[] mvtOptions = new[] { "CLIP", "NO" };
//OSGeo.OGR.DataSource ds = drv.Open(mvtTile, 0);
if (ds == null)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Error, "The vector datasource was unreadable by this component. It may not a valid file type for this component or otherwise null/empty.");
return;
}
///Morph raw mapbox tile points to geolocated tile
Vector3d moveDir = tileExtents[t].ElementAt(0) - new Point3d(0, 0, 0);
Transform move = Transform.Translation(moveDir);
Transform scale = Transform.Scale(Plane.WorldXY, tileWidth[t] / 4096, tileHeight[t] / 4096, 1);
Transform scaleMove = Transform.Multiply(move, scale);
for (int iLayer = 0; iLayer < ds.GetLayerCount(); iLayer++)
{
OSGeo.OGR.Layer layer = ds.GetLayerByIndex(iLayer);
long count = layer.GetFeatureCount(1);
int featureCount = System.Convert.ToInt32(count);
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Layer #" + iLayer + " " + layer.GetName() + " has " + featureCount + " features");
//if (layer.GetName() == "admin" || layer.GetName() == "building")
//{
OSGeo.OGR.FeatureDefn def = layer.GetLayerDefn();
///Get the field names
List <string> fieldnames = new List <string>();
for (int iAttr = 0; iAttr < def.GetFieldCount(); iAttr++)
{
OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iAttr);
fnames.Append(new GH_String(fdef.GetNameRef()), new GH_Path(iLayer, t));
}
///Loop through geometry
OSGeo.OGR.Feature feat;
int m = 0;
///error "Self-intersection at or near point..." when zoom gets below 12 for water
///this is an issue with the way mvt simplifies geometries at lower zoom levels and is a known problem
///TODO: look into how to fix invalid geom and return to the typical while loop iterating method
//while ((feat = layer.GetNextFeature()) != null)
while (true)
{
try
{
feat = layer.GetNextFeature();
}
catch
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Some features had invalid geometry and were skipped.");
continue;
}
if (feat == null)
{
break;
}
OSGeo.OGR.Geometry geom = feat.GetGeometryRef();
///reproject geometry to WGS84 and userSRS
///TODO: look into using the SetCRS global variable here
gtype.Append(new GH_String(geom.GetGeometryName()), new GH_Path(iLayer, t, m));
Transform tr = scaleMove; // new Transform(1);
if (feat.GetGeometryRef() != null)
{
///Convert GDAL geometries to IGH_GeometricGoo
foreach (IGH_GeometricGoo gMorphed in Heron.Convert.OgrGeomToGHGoo(geom, tr))
{
//gMorphed.Morph(morph);
gGoo.Append(gMorphed, new GH_Path(iLayer, t, m));
}
if (layer.GetName() == "building")
{
if (feat.GetFieldAsString(def.GetFieldIndex("extrude")) == "true")
{
double unitsConversion = Rhino.RhinoMath.UnitScale(Rhino.RhinoDoc.ActiveDoc.ModelUnitSystem, Rhino.UnitSystem.Meters);
double height = System.Convert.ToDouble(feat.GetFieldAsString(def.GetFieldIndex("height"))) / unitsConversion;
double min_height = System.Convert.ToDouble(feat.GetFieldAsString(def.GetFieldIndex("min_height"))) / unitsConversion;
bool underground = System.Convert.ToBoolean(feat.GetFieldAsString(def.GetFieldIndex("underground")));
if (geom.GetGeometryType() == wkbGeometryType.wkbPolygon)
{
Extrusion bldg = Heron.Convert.OgrPolygonToExtrusion(geom, tr, height, min_height, underground);
IGH_GeometricGoo bldgGoo = GH_Convert.ToGeometricGoo(bldg);
gGooBuildings.Append(bldgGoo, new GH_Path(iLayer, t, m));
}
if (geom.GetGeometryType() == wkbGeometryType.wkbMultiPolygon)
{
List <Extrusion> bldgs = Heron.Convert.OgrMultiPolyToExtrusions(geom, tr, height, min_height, underground);
foreach (Extrusion bldg in bldgs)
{
IGH_GeometricGoo bldgGoo = GH_Convert.ToGeometricGoo(bldg);
gGooBuildings.Append(bldgGoo, new GH_Path(iLayer, t, m));
}
}
}
}
/// Get Feature Values
if (fvalues.PathExists(new GH_Path(iLayer, t, m)))
{
//fvalues.get_Branch(new GH_Path(iLayer, t, m)).Clear();
}
for (int iField = 0; iField < feat.GetFieldCount(); iField++)
{
OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
if (feat.IsFieldSet(iField))
{
fvalues.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(iLayer, t, m));
}
else
{
fvalues.Append(new GH_String("null"), new GH_Path(iLayer, t, m));
}
}
}
m++;
geom.Dispose();
feat.Dispose();
}///end while loop through features
//}///end layer by name
layer.Dispose();
}///end loop through layers
ds.Dispose();
t++;
}///end loop through mvt tiles
//write out new tile range metadata for serialization
TileCacheMeta = tileRangeString;
DA.SetData(0, imgFrame);
DA.SetDataTree(1, fnames);
DA.SetDataTree(2, fvalues);
DA.SetDataTree(3, gGoo);
DA.SetDataList(4, "copyright Mapbox");
DA.SetDataTree(5, gtype);
DA.SetDataTree(6, gGooBuildings);
DA.SetDataList(7, tileExtents);
}
public int CreateField(FieldDefn field_def, int approx_ok)
{
int ret = OgrPINVOKE.Layer_CreateField(swigCPtr, FieldDefn.getCPtr(field_def), approx_ok);
if (OgrPINVOKE.SWIGPendingException.Pending) throw OgrPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
