async static void subAdd(Feature poiFeat, string dzx, Layer newLayer)
{
await Task.Run(() =>
{
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
OSGeo.OGR.DataSource dzxDS = dr.Open(dzx, 0);
OSGeo.OGR.Layer dzxLayer = dzxDS.GetLayerByIndex(0);
int dzxCount = dzxLayer.GetFeatureCount(0);
OSGeo.OGR.Geometry poiGeom = poiFeat.GetGeometryRef();
for (int i = 0; i < dzxLayer.GetFeatureCount(0); i++)
{
OSGeo.OGR.Feature dzxFeat = dzxLayer.GetFeature(i);
OSGeo.OGR.Geometry dzxGeom = dzxFeat.GetGeometryRef();
if (poiGeom.Within(dzxGeom))
{
newLayer.CreateFeature(dzxFeat);
}
dzxGeom.Dispose();
dzxFeat.Dispose();
}
poiFeat.Dispose();
dzxDS.Dispose();
tickTime++;
});
}
/// <summary>
/// 通过是否相交和面积差,获得最小面积差相交要素的ID数组--------多线OK
/// </summary>
/// <param name="dzx"></param>
/// <param name="pdx"></param>
/// <returns></returns>
private static int[] getMinIdGroupM(string dzx, string pdx)
{
Console.WriteLine("起用多线程提取轮廓线ID....");
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
OSGeo.OGR.DataSource pdDS = dr.Open(pdx, 0);
OSGeo.OGR.Layer pdLayer = pdDS.GetLayerByIndex(0);
int pdCount = pdLayer.GetFeatureCount(0);
for (int pdi = 0; pdi < pdCount; pdi++)
{
OSGeo.OGR.Feature pdFeat = pdLayer.GetFeature(pdi);
select(pdFeat, dzx);
}
while (tickTime < pdCount)
{
Console.WriteLine("第{0}个完成，共{1}个", tickTime, pdCount);
Thread.Sleep(2000);
}
pdLayer.Dispose();
pdDS.Dispose();
Console.WriteLine("多线程提取ID完成.....");
return(minIdG.ToArray());
}
/// <summary>
/// 整合坡度线（Line）
/// </summary>
/// <param name="subPdx"></param>
/// <returns></returns>
public static string zhengHePdLine(List <string> subPdx)
{
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
string newPath = StaticTools.tempFilePath("shp", "整合线");
OSGeo.OGR.DataSource newDs = dr.CreateDataSource(newPath, null);/////////////////
OSGeo.OGR.Layer newLayer = newDs.CreateLayer("Lines",
dr.Open(subPdx[0], 0).GetLayerByIndex(0).GetSpatialRef(),
dr.Open(subPdx[0], 0).GetLayerByIndex(0).GetGeomType(), null);
for (int i = 0; i < subPdx.Count; i++)
{
OSGeo.OGR.DataSource dsLine = dr.Open(subPdx[i], 0);///////////////////////
OSGeo.OGR.Layer lineLayer = dsLine.GetLayerByIndex(0);
for (int j = 0; j < lineLayer.GetFeatureCount(0); j++)
{
newLayer.CreateFeature(lineLayer.GetFeature(j));
}
dsLine.Dispose();
}
newDs.Dispose();
return(newPath);
}
/// <summary>
/// 清理重复的Featuer----------多线程----与单线程效率差别很小，不推荐
/// </summary>
/// <param name="filePath"></param>
public static void cleanPdxM(string filePath)
{
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
OSGeo.OGR.DataSource ds = dr.Open(filePath, 1);
OSGeo.OGR.Layer layer = ds.GetLayerByIndex(0);
int featCount = layer.GetFeatureCount(0);
var sw = new System.Diagnostics.Stopwatch(); sw.Start();
for (int i = 0; i < featCount - 1; i++)
{
getDoubFeat(filePath, i, featCount);
}
while (tickTime != featCount - 1)
{
Thread.Sleep(2000);
Console.WriteLine(tickTime.ToString() + " /" + featCount.ToString() + "/ deletePoint " + ids.Count().ToString());
}
sw.Stop(); Console.WriteLine("多线程清理重复Featuer用时：" + sw.Elapsed.ToString());
for (int i = 0; i < ids.Count; i++)
{
layer.DeleteFeature(ids[i]);
}
string a = "REPACK " + layer.GetName();
ds.ExecuteSQL(a, null, "");
ds.Dispose();
}
public static void selectDZXFromPointM(string point, string dzx, string savePath)
{
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
OSGeo.OGR.DataSource poiDS = dr.Open(point, 0);
OSGeo.OGR.Layer poiLayer = poiDS.GetLayerByIndex(0);
if (File.Exists(savePath))
{
File.Delete(savePath);
}
OSGeo.OGR.DataSource newDS = dr.CreateDataSource(savePath, null);
OSGeo.OGR.Layer newLayer = newDS.CreateLayer("", null, OSGeo.OGR.wkbGeometryType.wkbPolygon, null);
tickTime = 0;
int poiCount = poiLayer.GetFeatureCount(0);
for (int i = 0; i < poiCount; i++)
{
subAdd(poiLayer.GetFeature(i), dzx, newLayer);
}
while (tickTime < poiCount)
{
Thread.Sleep(2222);
Console.WriteLine("getFeatureByPoint:{0}/{1}", tickTime, poiCount);
}
Console.WriteLine("【本次提取到{0}个要素】", newLayer.GetFeatureCount(0));
newDS.Dispose();
poiDS.Dispose();
}
/************************************* 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();
}
/// <summary>
/// 子线程提取轮廓线ID
/// </summary>
/// <param name="pdFeat"></param>
/// <param name="dzx"></param>
async static void select(Feature pdFeat, string dzx)
{
await Task.Run(() =>
{
double afterCha = -1;
int yesID = -1;
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
OSGeo.OGR.DataSource dzDS = dr.Open(dzx, 0);
OSGeo.OGR.Layer dzxLayer = dzDS.GetLayerByIndex(0);
OSGeo.OGR.Geometry pdGeom = pdFeat.GetGeometryRef();
int dzCount = dzxLayer.GetFeatureCount(0);
for (int dzi = 0; dzi < dzCount; dzi++)
{
OSGeo.OGR.Feature dzFeat = dzxLayer.GetFeature(dzi);
OSGeo.OGR.Geometry dzGeom = dzFeat.GetGeometryRef();
if (pdGeom.Intersect(dzGeom))
{
double cha = Math.Abs(dzGeom.GetArea() - pdGeom.GetArea());
if (afterCha == -1)
{
afterCha = cha;
yesID = dzi;
}
else if (cha < afterCha)
{
afterCha = cha;
yesID = dzi;
}
}
dzGeom.Dispose();
dzFeat.Dispose();
}
if (yesID != -1)
{
minIdG.Add(yesID);
}
dzDS.Dispose();
dzxLayer.Dispose();
pdGeom.Dispose();
pdFeat.Dispose();
tickTime++;
});
}
public static void selectFromPoint(string point, string slopPoly)
{
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
OSGeo.OGR.DataSource poiDS = dr.Open(point, 0);
OSGeo.OGR.DataSource slopDS = dr.Open(slopPoly, 1);
OSGeo.OGR.Layer poiLayer = poiDS.GetLayerByIndex(0);
OSGeo.OGR.Layer slopLayer = slopDS.GetLayerByIndex(0);
List <int> staIds = new List <int>();
int poiCount = WorkFlow.pointIds.Count;
int slopCount = slopLayer.GetFeatureCount(0);
for (int i = 0; i < poiCount; i++)
{
OSGeo.OGR.Feature poiFeat = poiLayer.GetFeature(WorkFlow.pointIds[i]);
OSGeo.OGR.Geometry poiGeom = poiFeat.GetGeometryRef();
for (int t = 0; t < slopCount; t++)
{
OSGeo.OGR.Feature slopFeat = slopLayer.GetFeature(t);
OSGeo.OGR.Geometry slopGeom = slopFeat.GetGeometryRef();
if (poiGeom.Within(slopGeom))
{
staIds.Add(t);
WorkFlow.pointIds[i] = -1;
}
slopFeat.Dispose();
}
poiFeat.Dispose();
}
Console.WriteLine("【本次提取到{0}个要素】", staIds.Count);
while (WorkFlow.pointIds.IndexOf(-1) > -1)
{
WorkFlow.pointIds.Remove(-1);
}
for (int i = 0; i < slopCount; i++)
{
if (staIds.IndexOf(i) == -1)
{
slopLayer.DeleteFeature(i);
}
}
slopDS.deleteFeatUpdate();
slopDS.Dispose();
poiDS.Dispose();
}
/// <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 OgrDataReader(string sDataSource)
{
//wkbReader = new DotSpatial.Data.WKBReader();
_ogrDataSource = Ogr.Open(sDataSource, 0);
_ogrLayer = _ogrDataSource.GetLayerByIndex(0);
_iFeatureCount = _ogrLayer.GetFeatureCount(1);
_ogrFeatureDefinition = _ogrLayer.GetLayerDefn();
_iFieldCount = _ogrFeatureDefinition.GetFieldCount();
BuildSchemaTable();
_currentFeature = null;
bClosed = false;
}
public LayerData GetData()
{
var spatialReference = _ogrLayer.GetSpatialRef();
spatialReference.ExportToPrettyWkt(out string spref, 0);
var layer = new LayerData
{
Name = _ogrLayer.GetName(),
GoemType = _ogrLayer.GetGeomType().ToString("G").Substring(3),
FeatureCount = _ogrLayer.GetFeatureCount(0),
Extent = GetExtent(_ogrLayer),
SpatialRefSystem = spref,
ProjectionName = spatialReference.GetName()
};
return(layer);
}
public static string addPdx(string point, string inDSM, int lev)
{
//读取点ID
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
OSGeo.OGR.DataSource pointDs = dr.Open(point, 0);
OSGeo.OGR.Layer pointLayer = pointDs.GetLayerByIndex(0);
int pointCount = pointLayer.GetFeatureCount(0);
for (int i = 0; i < pointCount; i++)
{
pointIds.Add(i);
}
//提升分辨率，计算坡度图
List <string> subSlop = new List <string>();
string upDataDSM = StaticTools.tempFilePath("img", "UpDataDSM");
CutImg.ImgReProject(inDSM, upDataDSM, 2);
string addSolpeMap = StaticTools.tempFilePath("img", "addSolpeMap");
SlopeDem.Instance.Sloping(upDataDSM, addSolpeMap);
//循环坡度下限值
for (int i = 0; i < lev; i++)
{
//没点了就退出
if (pointIds.Count == 0)
{
Console.WriteLine("所有目标都已找到匹配元素！");
break;
}
Console.WriteLine("【开始第{0}次循环，还有{1}个点待提取！】", i, pointIds.Count);
string _outShpPath = StaticTools.tempFilePath("shp", "SlopAdd" + i.ToString() + "Times");
GetOutlines.Instance.MyGetOutlines(upDataDSM, addSolpeMap, _outShpPath, 80 - i * 5);
补充要素.AddFeatuer.selectFromPoint(point, _outShpPath);
subSlop.Add(_outShpPath);
}
Console.WriteLine("还有{0}个目标没有找到对应要素!", pointIds.Count.ToString());
return(OutLine.CutImg.zhengHePdx(subSlop, 10));
}
public static void selectDZXFromPoint(string point, string dzx, string savePath)
{
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Driver dr = OSGeo.OGR.Ogr.GetDriverByName("ESRI shapefile");
OSGeo.OGR.DataSource poiDS = dr.Open(point, 0);
OSGeo.OGR.DataSource dzxDS = dr.Open(dzx, 0);
if (File.Exists(savePath))
{
File.Delete(savePath);
}
OSGeo.OGR.DataSource newDS = dr.CreateDataSource(savePath, null);
OSGeo.OGR.Layer poiLayer = poiDS.GetLayerByIndex(0);
OSGeo.OGR.Layer dzxLayer = dzxDS.GetLayerByIndex(0);
OSGeo.OGR.Layer newLayer = newDS.CreateLayer("", dzxLayer.GetSpatialRef(), dzxLayer.GetGeomType(), null);
int poiCount = poiLayer.GetFeatureCount(0);
int dzxCount = dzxLayer.GetFeatureCount(0);
for (int i = 0; i < poiCount; i++)
{
OSGeo.OGR.Feature poiFeat = poiLayer.GetFeature(i);
OSGeo.OGR.Geometry poiGeom = poiFeat.GetGeometryRef();
for (int t = 0; t < dzxCount; t++)
{
OSGeo.OGR.Feature dzxFeat = dzxLayer.GetFeature(t);
OSGeo.OGR.Geometry dzxGeom = dzxFeat.GetGeometryRef();
if (poiGeom.Within(dzxGeom))
{
newLayer.CreateFeature(dzxFeat);
}
dzxFeat.Dispose();
Console.WriteLine("getFeatureByPoint:{0}/{1}", i, poiCount);
}
poiFeat.Dispose();
}
Console.WriteLine("【本次提取到{0}个要素】", newLayer.GetFeatureCount(0));
newDS.Dispose();
dzxDS.Dispose();
poiDS.Dispose();
}
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);
}
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);
}
/// <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 static void getH(string DSMfile, string oriShp)
{
Console.WriteLine("开始提取建筑高度！");
Gdal.AllRegister();
Ogr.RegisterAll();
Stopwatch aTime = new Stopwatch(); aTime.Start();
//创建一个BUFFER，BUFFER距离为1米
string bufShp = bufferFile(oriShp, 1);
//打开原文件和Buffer文件
OSGeo.OGR.Driver dr = Ogr.GetDriverByName("ESRI shapefile");
DataSource oriDs = dr.Open(oriShp, 1);
DataSource bufDs = dr.Open(bufShp, 0);
OSGeo.OGR.Layer bufLayer = bufDs.GetLayerByIndex(0);
OSGeo.OGR.Layer oriLayer = oriDs.GetLayerByIndex(0);
//判断原文件中是否有以下字段，没有就创建
if (oriLayer.FindFieldIndex("MIN", 1) == -1)
{
FieldDefn min = new FieldDefn("MIN", FieldType.OFTReal);
oriLayer.CreateField(min, 1);
}
if (oriLayer.FindFieldIndex("MAX", 1) == -1)
{
FieldDefn max = new FieldDefn("MAX", FieldType.OFTReal);
oriLayer.CreateField(max, 1);
}
if (oriLayer.FindFieldIndex("HIGHT", 1) == -1)
{
FieldDefn hight = new FieldDefn("HIGHT", FieldType.OFTReal);
oriLayer.CreateField(hight, 1);
}
//打开栅格
Dataset dsmDs = Gdal.Open(DSMfile, Access.GA_ReadOnly);
double[] transfrom = new double[6];
dsmDs.GetGeoTransform(transfrom);
int allX = dsmDs.RasterXSize;
int allY = dsmDs.RasterYSize;
//开始计算每个Feature需要读取的栅格参数
int featCount = oriLayer.GetFeatureCount(0);
for (int i = 0; i < featCount; i++)
{
int[] subRasterOff_Size = subRasterInfo(transfrom, allX, allY, bufLayer.GetFeature(i));
Feature oriFeat = oriLayer.GetFeature(i);
Feature bufFeat = bufLayer.GetFeature(i);
getMaxMinValue(dsmDs, oriFeat, bufFeat, subRasterOff_Size);
oriLayer.SetFeature(oriFeat);
oriFeat.Dispose();
Console.WriteLine("当前处理：{0}/{1}", i, featCount);
}
oriLayer.Dispose();
bufLayer.Dispose();
oriDs.Dispose();
bufDs.Dispose();
dsmDs.Dispose();
aTime.Stop();
Console.WriteLine("建筑高度值提取完成！用时：{0}", aTime.Elapsed.ToString());
}
public static void ReportLayer(Layer layer)
{
FeatureDefn def = layer.GetLayerDefn();
Console.WriteLine( "Layer name: " + def.GetName() );
Console.WriteLine( "Feature Count: " + layer.GetFeatureCount(1) );
Envelope ext = new Envelope();
layer.GetExtent(ext, 1);
Console.WriteLine( "Extent: " + ext.MinX + "," + ext.MaxX + "," +
ext.MinY + "," + ext.MaxY);
/* -------------------------------------------------------------------- */
/* Reading the spatial reference */
/* -------------------------------------------------------------------- */
OSGeo.OSR.SpatialReference sr = layer.GetSpatialRef();
string srs_wkt;
if ( sr != null )
{
sr.ExportToPrettyWkt( out srs_wkt, 1 );
}
else
srs_wkt = "(unknown)";
Console.WriteLine( "Layer SRS WKT: " + srs_wkt );
/* -------------------------------------------------------------------- */
/* Reading the fields */
/* -------------------------------------------------------------------- */
Console.WriteLine("Field definition:");
for( int iAttr = 0; iAttr < def.GetFieldCount(); iAttr++ )
{
FieldDefn fdef = def.GetFieldDefn( iAttr );
Console.WriteLine( fdef.GetNameRef() + ": " +
fdef.GetFieldTypeName( fdef.GetFieldType() ) + " (" +
fdef.GetWidth() + "." +
fdef.GetPrecision() + ")");
}
/* -------------------------------------------------------------------- */
/* Reading the shapes */
/* -------------------------------------------------------------------- */
Console.WriteLine( "" );
Feature feat;
while( (feat = layer.GetNextFeature()) != null )
{
ReportFeature(feat, def);
feat.Dispose();
}
}
/// <summary>
/// Returns the number of features in the dataset
/// </summary>
/// <returns>number of features</returns>
public int GetFeatureCount()
{
return(_OgrLayer.GetFeatureCount(1));
}
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);
}