private SpatialEnvelope calculateEnvelope(Geometry geom)
{
Envelope env = new Envelope();
geom.GetEnvelope(env);
SpatialEnvelope ogrenv = new SpatialEnvelope(env.MinX, env.MinY, env.MaxX, env.MaxY);
return ogrenv;
}
static void CreateIndexes(DataSource OGRDataSource, string MSSQLConnectionString)
{
// Create coordinate transformation
SpatialReference sourceSRS = new SpatialReference("");
sourceSRS.ImportFromEPSG(4326);
SpatialReference targetSRS = new SpatialReference("");
targetSRS.ImportFromEPSG(900913);
CoordinateTransformation transform = new CoordinateTransformation(sourceSRS, targetSRS);
for (int iLayer = 0; iLayer < OGRDataSource.GetLayerCount(); iLayer++)
{
Layer OGRLayer = OGRDataSource.GetLayerByIndex(iLayer);
string layerName = OGRLayer.GetName();
// Get extent in EPSG:900913
Envelope extent = new Envelope();
OGRLayer.GetExtent(extent,0);
double[] ll = new double[] { extent.MinX, extent.MinY };
double[] ur = new double[] { extent.MaxX, extent.MaxY };
transform.TransformPoint(ll);
transform.TransformPoint(ur);
using (SqlConnection con = new SqlConnection(MSSQLConnectionString))
{
con.Open();
try
{
// Create primary key/clustered index
string pkSQL = string.Format("ALTER TABLE [{0}] ADD CONSTRAINT [PK_{0}] PRIMARY KEY CLUSTERED([id] ASC) WITH (SORT_IN_TEMPDB = ON);", layerName);
using (SqlCommand pkCmd = new SqlCommand(pkSQL, con))
{
log(TraceLevel.Info, string.Format("Creating clustured index pk_{0} on table {0}...", layerName));
pkCmd.CommandTimeout = 0;
pkCmd.ExecuteNonQuery();
}
// Create spatial index
OGRLayer.GetExtent(extent, 0);
string sidxSQL = string.Format("CREATE SPATIAL INDEX sidx_{0}_ogr_geometry ON [{0}](ogr_geometry) WITH (BOUNDING_BOX = ( {1}, {2}, {3}, {4} ), SORT_IN_TEMPDB = ON );", layerName, ll[0], ll[1], ur[0], ur[1]);
using (SqlCommand sidxCmd = new SqlCommand(sidxSQL, con))
{
log(TraceLevel.Info, string.Format("Creating spatial index sidx_{0}_ogr_geometry on table {0}...", layerName));
sidxCmd.CommandTimeout = 0;
sidxCmd.ExecuteNonQuery();
}
}
catch (Exception e)
{
log(TraceLevel.Error, e.Message);
Environment.Exit(1);
}
}
}
}
public static HandleRef getCPtrAndSetReference(Envelope obj, object parent) {
if (obj != null)
{
obj.swigParentRef = parent;
return obj.swigCPtr;
}
else
{
return new HandleRef(null, IntPtr.Zero);
}
}
public static HandleRef getCPtrAndDisown(Envelope obj, object parent) {
if (obj != null)
{
obj.swigCMemOwn = false;
obj.swigParentRef = parent;
return obj.swigCPtr;
}
else
{
return new HandleRef(null, IntPtr.Zero);
}
}
/// <summary>
/// Boundingbox of the dataset
/// </summary>
/// <returns>boundingbox</returns>
public virtual Envelope GetExtents()
{
if (this.envelope == null)
{
using (var ogrEnvelope = new OgrEnvelope())
{
int i = ogrLayer.GetExtent(ogrEnvelope, 1);
envelope = new Envelope(ogrEnvelope.MinX, ogrEnvelope.MaxX,
ogrEnvelope.MinY, ogrEnvelope.MaxY);
}
}
return(envelope);
}
public bool Insert(Feature f)
{
bool result = false;
NoteData data = new NoteData();
data.fea = f;
var geo = data.fea.GetGeometryRef();
Assert.IsNotNull(geo);
OSGeo.OGR.Envelope envogr = new OSGeo.OGR.Envelope();
geo.GetEnvelope(envogr);
Enyim.Collections.Envelope env = new Enyim.Collections.Envelope(envogr.MinX, envogr.MinY, envogr.MaxX, envogr.MaxY);
envogr.Dispose();
RTreeNode <NoteData> node = new RTreeNode <NoteData>(data, env);
tree.Insert(node, env);
result = true;
return(result);
}
public virtual IMetadata GetMetadata()
{
if (this._Layer == null)
{
return(null);
}
//计算图像大小-按数据边界
OSGeo.OGR.Envelope envelope = new OSGeo.OGR.Envelope();
this._Layer.GetExtent(envelope, 1);
//提取图像参数值
MetadataR pMeta = new MetadataR();
pMeta.MinX = Math.Round(envelope.MinX, 8);
pMeta.MaxX = Math.Round(envelope.MaxX, 8);
pMeta.MinY = Math.Round(envelope.MinY, 8);
pMeta.MaxY = Math.Round(envelope.MaxY, 8);
pMeta.IsNorthern = (pMeta.MinY > 0);
return(pMeta);
}
/************************************* 判断两个Featuer是否重复 *************************************************/
/// <summary>
/// 判断两个Featuer是否重复，ori 当前Feat，next 目标Feat
/// </summary>
/// <param name="ori"></param>
/// <param name="next"></param>
/// <returns></returns>
public static bool isSame(OSGeo.OGR.Feature ori, OSGeo.OGR.Feature next, double fanWei = 0.1)
{
OSGeo.OGR.Ogr.RegisterAll();
OSGeo.OGR.Geometry oriGeom = ori.GetGeometryRef();
OSGeo.OGR.Envelope oriEnve = new OSGeo.OGR.Envelope();
oriGeom.GetEnvelope(oriEnve);
OSGeo.OGR.Geometry nextGeom = next.GetGeometryRef();
OSGeo.OGR.Envelope nextEnve = new OSGeo.OGR.Envelope();
nextGeom.GetEnvelope(nextEnve);
double oriArea = oriGeom.GetArea();
double nextArea = nextGeom.GetArea();
bool res =
Math.Abs(oriEnve.MaxX - nextEnve.MaxX) < fanWei && //外接矩形差
Math.Abs(oriEnve.MaxY - nextEnve.MaxY) < fanWei &&
Math.Abs(oriEnve.MinX - nextEnve.MinX) < fanWei &&
Math.Abs(oriEnve.MinY - nextEnve.MinY) < fanWei;
//面积？ && Math.Abs(oriArea - nextArea) < 0.1;
oriGeom.Dispose();
oriEnve.Dispose();
nextGeom.Dispose();
nextEnve.Dispose();
return(res);
}
/// <summary>
/// Boundingbox of the dataset
/// </summary>
/// <returns>boundingbox</returns>
public IEnvelope GetExtents()
{
if (this._bbox == null)
{
OSGeo.OGR.Envelope _OgrEnvelope = new Envelope();
int i = _OgrLayer.GetExtent(_OgrEnvelope, 1);
this._bbox = SharpMap.Converters.Geometries.GeometryFactory.CreateEnvelope(
_OgrEnvelope.MinX,
_OgrEnvelope.MinY,
_OgrEnvelope.MaxX,
_OgrEnvelope.MaxY);
}
return _bbox;
}
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 int GetExtent(Envelope extent, int force)
{
int ret = OgrPINVOKE.Layer_GetExtent(swigCPtr, Envelope.getCPtr(extent), force);
if (OgrPINVOKE.SWIGPendingException.Pending) throw OgrPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static void ConvertFeatureToRaster(Layer layer, out Dataset outputDataset, double rasterCellSize, string fieldName)
{
DriverUtils.RegisterGdalOgrDrivers();
Envelope envelope = new Envelope();
layer.GetExtent(envelope, 0);
//Compute the out raster cell resolutions
int x_res = Convert.ToInt32((envelope.MaxX - envelope.MinX) / rasterCellSize);
int y_res = Convert.ToInt32((envelope.MaxY - envelope.MinY) / rasterCellSize);
//Console.WriteLine("Extent: " + envelope.MaxX + " " + envelope.MinX + " " + envelope.MaxY + " " + envelope.MinY);
//Console.WriteLine("X resolution: " + x_res);
//Console.WriteLine("X resolution: " + y_res);
//Create new tiff in disk
string tempRaster = "tempZoneRaster.tif";
if (File.Exists(tempRaster))
{
File.Delete(tempRaster);
}
OSGeo.GDAL.Driver outputDriver = Gdal.GetDriverByName("GTiff");
outputDataset = outputDriver.Create(tempRaster, x_res, y_res, 1, DataType.GDT_Int32, null);
//Extrac srs from input feature
string inputShapeSrs;
SpatialReference spatialRefrence = layer.GetSpatialRef();
spatialRefrence.ExportToWkt(out inputShapeSrs);
//Assign input feature srs to outpur raster
outputDataset.SetProjection(inputShapeSrs);
//Geotransform
double[] argin = new double[] { envelope.MinX, rasterCellSize, 0, envelope.MaxY, 0, -rasterCellSize };
outputDataset.SetGeoTransform(argin);
//Set no data
Band band = outputDataset.GetRasterBand(1);
//band.SetNoDataValue(GdalUtilConstants.NoDataValue);
band.Fill(GdalUtilConstants.NoDataValue, 0.0);
//Feature to raster rasterize layer options
//No of bands (1)
int[] bandlist = new int[] { 1 };
//Values to be burn on raster (10.0)
double[] burnValues = new double[] { 10.0 };
//Dataset myDataset = Gdal.Open(outputRasterFile, Access.GA_Update);
//additional options
string[] rasterizeOptions;
//rasterizeOptions = new string[] { "ALL_TOUCHED=TRUE", "ATTRIBUTE=" + fieldName }; //To set all touched pixels into raster pixel
rasterizeOptions = new string[] { "ATTRIBUTE=" + fieldName };
//Rasterize layer
//Gdal.RasterizeLayer(myDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, null, null, null); // To burn the given burn values instead of feature attributes
//Gdal.RasterizeLayer(outputDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, rasterizeOptions, new Gdal.GDALProgressFuncDelegate(ProgressFunc), "Raster conversion");
Gdal.RasterizeLayer(outputDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, rasterizeOptions, null, null);
}
public static HandleRef getCPtr(Envelope obj)
{
return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
}
/// <summary>
/// Boundingbox of the dataset
/// </summary>
/// <returns>boundingbox</returns>
public virtual IEnvelope GetExtents()
{
if (this.envelope == null)
{
using (var ogrEnvelope = new Envelope())
{
int i = ogrLayer.GetExtent(ogrEnvelope, 1);
envelope = GeometryFactory.CreateEnvelope(ogrEnvelope.MinX,
ogrEnvelope.MaxX,
ogrEnvelope.MinY,
ogrEnvelope.MaxY);
}
}
return envelope;
}
//http://www.gisremotesensing.com/2015/09/vector-to-raster-conversion-using-gdal-c.html
public static void Rasterize(string inputFeature, string outRaster, string fieldName, int cellSize)
{
// Define pixel_size and NoData value of new raster
int rasterCellSize = cellSize;
const double noDataValue = -9999;
string outputRasterFile = outRaster;
//Register the vector drivers
Ogr.RegisterAll();
//Reading the vector data
DataSource dataSource = Ogr.Open(inputFeature, 0);
var count = dataSource.GetLayerCount();
Layer layer = dataSource.GetLayerByIndex(0);
var litems = layer.GetFeatureCount(0);
var lname= layer.GetName();
Envelope envelope = new Envelope();
layer.GetExtent(envelope, 0);
//Compute the out raster cell resolutions
int x_res = Convert.ToInt32((envelope.MaxX - envelope.MinX) / rasterCellSize);
int y_res = Convert.ToInt32((envelope.MaxY - envelope.MinY) / rasterCellSize);
Console.WriteLine("Extent: " + envelope.MaxX + " " + envelope.MinX + " " + envelope.MaxY + " " + envelope.MinY);
Console.WriteLine("X resolution: " + x_res);
Console.WriteLine("X resolution: " + y_res);
//Register the raster drivers
Gdal.AllRegister();
//Check if output raster exists & delete (optional)
if (File.Exists(outputRasterFile))
{
File.Delete(outputRasterFile);
}
//Create new tiff
OSGeo.GDAL.Driver outputDriver = Gdal.GetDriverByName("GTiff");
Dataset outputDataset = outputDriver.Create(outputRasterFile, x_res, y_res, 1, DataType.GDT_Float64, null);
//Extrac srs from input feature
string inputShapeSrs;
SpatialReference spatialRefrence = layer.GetSpatialRef();
spatialRefrence.ExportToWkt(out inputShapeSrs);
//Assign input feature srs to outpur raster
outputDataset.SetProjection(inputShapeSrs);
//Geotransform
double[] argin = new double[] { envelope.MinX, rasterCellSize, 0, envelope.MaxY, 0, -rasterCellSize };
outputDataset.SetGeoTransform(argin);
//Set no data
Band band = outputDataset.GetRasterBand(1);
band.SetNoDataValue(noDataValue);
//close tiff
outputDataset.FlushCache();
outputDataset.Dispose();
//Feature to raster rasterize layer options
//No of bands (1)
int[] bandlist = new int[] { 1 };
//Values to be burn on raster (10.0)
double[] burnValues = new double[] { 10.0 };
Dataset myDataset = Gdal.Open(outputRasterFile, Access.GA_Update);
//additional options
string[] rasterizeOptions;
//rasterizeOptions = new string[] { "ALL_TOUCHED=TRUE", "ATTRIBUTE=" + fieldName }; //To set all touched pixels into raster pixel
rasterizeOptions = new string[] { "ATTRIBUTE=" + fieldName };
//Rasterize layer
//Gdal.RasterizeLayer(myDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, null, null, null); // To burn the given burn values instead of feature attributes
Gdal.RasterizeLayer(myDataset, 1, bandlist, layer, IntPtr.Zero, IntPtr.Zero, 1, burnValues, rasterizeOptions, new Gdal.GDALProgressFuncDelegate(ProgressFunc), "Raster conversion");
}
public static void AnalyzeRoadBoundingBoxes(string pMdbFile, string pLogFile, Action <Object, bool> aLog, int pOnlyApproved = 0)
{
var roadSuspects = new List <RoadSuspect>();
// Setup SQL string to select all or only some streets
string sql;
if (pOnlyApproved == 1)
{
sql = "SELECT ADRROADID, NAMEENGLISH, NAMEARABIC, NAMEPOPULARENGLISH, NAMEPOPULARARABIC, ROADTYPE, ADRDISTRICTID, APPROVED FROM ADM_ADRROAD WHERE APPROVED = 1 ORDER BY ADRROADID";
}
else
{
sql = "SELECT ADRROADID, NAMEENGLISH, NAMEARABIC, NAMEPOPULARENGLISH, NAMEPOPULARARABIC, ROADTYPE, ADRDISTRICTID, APPROVED FROM ADM_ADRROAD ORDER BY ADRROADID";
}
// Setup fieldAttributes dictionary to hold road names
var mRoads = new Dictionary <int, DataRow>();
// Connect to database and load names
var mOdbcConn = new OdbcConnection("Driver={Microsoft Access Driver (*.mdb, *.accdb)};Dbq=" + pMdbFile + ";Uid=Admin;Pwd=;");
var mDataAdapter = new OdbcDataAdapter(sql, mOdbcConn);
var mDataTable = new DataTable();
mDataAdapter.Fill(mDataTable);
int ctr1 = 0;
int total1 = mDataTable.Rows.Count;
foreach (DataRow mRow in mDataTable.Rows)
{
int mRoadId;
if (int.TryParse(mRow["ADRROADID"].ToString(), out mRoadId))
{
mRoads.Add(mRoadId, mRow);
}
ctr1++;
if (ctr1 % 100 == 0)
{
double mFraction1 = (((double)ctr1 / (double)total1) * 100);
Application.DoEvents();
}
}
Debug.WriteLine("Done loading road names");
mOdbcConn.Close();
mDataAdapter = null;
mOdbcConn = null;
// Connect to database using OGR to load geometries
var mDriver = Ogr.GetDriverByName("PGeo");
if (mDriver == null)
{
return;
}
Debug.WriteLine("Loaded driver");
var mSource = mDriver.Open(pMdbFile, 0);
if (mSource == null)
{
return;
}
Debug.WriteLine("Loaded datasource");
var mLayer = mSource.GetLayerByName("ADRROADSEGMENT");
if (mLayer == null)
{
return;
}
Debug.WriteLine("Loaded layer");
// Create simplified roads
var mSimplifiedRoadsFeatureSet = new SimplifiedRoads();
int mTotal2 = mLayer.GetFeatureCount(0);
foreach (var mRoadID in mRoads)
{
mLayer.SetAttributeFilter("ADRROADID = " + mRoadID.Key);
OSGeo.OGR.Feature mFeature;
int mNumShapes = 0;
double mLength = 0;
double mLeft = 0;
double mBottom = 0;
double mTop = 0;
double mRight = 0;
int mDuplicates = 0;
List <string> mGeoms = new List <string>();
while (null != (mFeature = mLayer.GetNextFeature()))
{
OSGeo.OGR.Geometry mGeom = mFeature.GetGeometryRef();
if (mGeom != null)
{
string wkt;
mGeom.ExportToWkt(out wkt);
OSGeo.OGR.Envelope mExtent = new OSGeo.OGR.Envelope();
mGeom.GetEnvelope(mExtent);
if (mTop == 0 || mExtent.MaxY > mTop)
{
mTop = mExtent.MaxY;
}
if (mBottom == 0 || mExtent.MinY < mBottom)
{
mBottom = mExtent.MinY;
}
if (mLeft == 0 || mExtent.MinX < mLeft)
{
mLeft = mExtent.MinX;
}
if (mRight == 0 || mExtent.MaxX > mRight)
{
mRight = mExtent.MaxX;
}
if (!mGeoms.Contains(wkt))
{
mLength = mLength + mGeom.Length();
mGeoms.Add(wkt);
}
else
{
mDuplicates++;
}
}
mNumShapes++;
}
var mBoxWidth = mRight - mLeft;
var mBoxHeight = mTop - mBottom;
var mBoxDiagonal = Math.Sqrt(mBoxWidth * mBoxWidth + mBoxHeight * mBoxHeight);
roadSuspects.Add(new RoadSuspect(mRoadID.Key,
mNumShapes,
mDuplicates,
Math.Round(mBoxDiagonal, 1),
Math.Round(mLength, 1)));
if (mLength > (2.2 * mBoxDiagonal) || mDuplicates > 0)
{
aLog(String.Format("r: {0}, s: {1}, l: {2}, d: {3}, bb: {4}",
mRoadID.Key,
mNumShapes,
Math.Round(mLength, 1),
mDuplicates,
Math.Round(mBoxDiagonal, 1)),
true);
}
}
using (var mCsvWriter = new CsvHelper.CsvWriter(new ExcelSerializer(pLogFile)))
{
mCsvWriter.WriteRecords(roadSuspects);
aLog("Wrote output to " + pLogFile, true);
aLog("Operation completed...", true);
}
}
protected override void SolveInstance(IGH_DataAccess DA)
{
///Gather GHA inputs
List <Curve> boundary = new List <Curve>();
DA.GetDataList <Curve>("Boundary", boundary);
string shpFilePath = string.Empty;
DA.GetData <string>("Vector Data Location", ref shpFilePath);
bool cropIt = true;
DA.GetData <Boolean>("Crop file", ref cropIt);
string userSRStext = "WGS84";
DA.GetData <string>(2, ref userSRStext);
///GDAL setup
///Some preliminary testing has been done to read SHP, GeoJSON, OSM, KML, MVT, GML and GDB
///It can be spotty with KML, MVT and GML and doesn't throw informative errors. Likely has to do with getting a valid CRS and
///TODO: resolve errors with reading KML, MVT, GML.
DataSource dataSource = CreateDataSource(shpFilePath);
List <Layer> layerSet = GetLayers(dataSource);
///Declare trees
GH_Structure <GH_Rectangle> recs = new GH_Structure <GH_Rectangle>();
GH_Structure <GH_String> spatialReferences = new GH_Structure <GH_String>();
GH_Structure <GH_String> fnames = new GH_Structure <GH_String>();
GH_Structure <GH_String> fset = new GH_Structure <GH_String>();
GH_Structure <GH_Point> gset = new GH_Structure <GH_Point>();
GH_Structure <GH_Point> gsetUser = new GH_Structure <GH_Point>();
GH_Structure <GH_Rectangle> recsUser = new GH_Structure <GH_Rectangle>();
GH_Structure <GH_String> gtype = new GH_Structure <GH_String>();
GH_Structure <IGH_GeometricGoo> gGoo = new GH_Structure <IGH_GeometricGoo>();
///Loop through each layer. Layers usually occur in Geodatabase GDB format. SHP usually has only one layer.
for (int iLayer = 0; iLayer < dataSource.GetLayerCount(); iLayer++)
{
OSGeo.OGR.Layer layer = dataSource.GetLayerByIndex(iLayer);
if (layer == null)
{
Console.WriteLine($"Couldn't fetch advertised layer {iLayer}");
System.Environment.Exit(-1);
}
long count = layer.GetFeatureCount(1);
int featureCount = System.Convert.ToInt32(count);
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, $"Layer #{iLayer} {layer.GetName()} has {featureCount} features");
///Get the spatial reference of the input vector file and set to WGS84 if not known
///
OSGeo.OSR.SpatialReference sourceSRS = new SpatialReference(Osr.SRS_WKT_WGS84);
string spatialReference = GetSpatialReference(layer, iLayer, dataSource, sourceSRS);
spatialReferences.Append(new GH_String(spatialReference), new GH_Path(iLayer));
///Set transform from input spatial reference to Rhino spatial reference
///TODO: look into adding a step for transforming to CRS set in SetCRS
OSGeo.OSR.SpatialReference rhinoSRS = new OSGeo.OSR.SpatialReference("");
rhinoSRS.SetWellKnownGeogCS("WGS84");
///TODO: verify the userSRS is valid
///TODO: use this as override of global SetSRS
OSGeo.OSR.SpatialReference userSRS = new OSGeo.OSR.SpatialReference("");
userSRS.SetFromUserInput(userSRStext);
///These transforms move and scale in order to go from userSRS to XYZ and vice versa
Transform userSRSToModelTransform = Heron.Convert.GetUserSRSToModelTransform(userSRS);
Transform modelToUserSRSTransform = Heron.Convert.GetModelToUserSRSTransform(userSRS);
Transform sourceToModelSRSTransform = Heron.Convert.GetUserSRSToModelTransform(sourceSRS);
Transform modelToSourceSRSTransform = Heron.Convert.GetModelToUserSRSTransform(sourceSRS);
///Get OGR envelope of the data in the layer in the sourceSRS
OSGeo.OGR.Envelope ext = new OSGeo.OGR.Envelope();
layer.GetExtent(ext, 1);
OSGeo.OGR.Geometry extMinSourceOgr = new OSGeo.OGR.Geometry(wkbGeometryType.wkbPoint);
extMinSourceOgr.AddPoint(ext.MinX, ext.MinY, 0.0);
extMinSourceOgr.AssignSpatialReference(sourceSRS);
OSGeo.OGR.Geometry extMaxSourceOgr = new OSGeo.OGR.Geometry(wkbGeometryType.wkbPoint);
extMaxSourceOgr.AddPoint(ext.MaxX, ext.MaxY, 0.0);
extMaxSourceOgr.AssignSpatialReference(sourceSRS);
///Get extents in Rhino SRS
Point3d extPTmin = Heron.Convert.OgrPointToPoint3d(extMinSourceOgr, sourceToModelSRSTransform);
Point3d extPTmax = Heron.Convert.OgrPointToPoint3d(extMaxSourceOgr, sourceToModelSRSTransform);
Rectangle3d rec = new Rectangle3d(Plane.WorldXY, extPTmin, extPTmax);
recs.Append(new GH_Rectangle(rec), new GH_Path(iLayer));
///Get extents in userSRS
///Can give odd results if crosses 180 longitude
extMinSourceOgr.TransformTo(userSRS);
extMaxSourceOgr.TransformTo(userSRS);
Point3d extPTminUser = Heron.Convert.OgrPointToPoint3d(extMinSourceOgr, userSRSToModelTransform);
Point3d extPTmaxUser = Heron.Convert.OgrPointToPoint3d(extMaxSourceOgr, userSRSToModelTransform);
Rectangle3d recUser = new Rectangle3d(Plane.WorldXY, extPTminUser, extPTmaxUser);
recsUser.Append(new GH_Rectangle(recUser), new GH_Path(iLayer));
if (boundary.Count == 0 && cropIt == true)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Define a boundary or set cropIt to False");
}
else if (boundary.Count == 0 && cropIt == false)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Remark, "Clipping boundary has not been defined. File extents will be used instead");
boundary.Add(rec.ToNurbsCurve());
}
///Loop through input boundaries
for (int i = 0; i < boundary.Count; i++)
{
OSGeo.OGR.FeatureDefn def = layer.GetLayerDefn();
///Get the field names
List <string> fieldnames = new List <string>();
for (int iAttr = 0; iAttr < def.GetFieldCount(); iAttr++)
{
OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iAttr);
fnames.Append(new GH_String(fdef.GetNameRef()), new GH_Path(i, iLayer));
}
///Check if boundary is contained in extent
if (!rec.IsValid || ((rec.Height == 0) && (rec.Width == 0)))
{
///Get field data if even if no geometry is present in the layer
AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "One or more vector datasource bounds are not valid.");
OSGeo.OGR.Feature feat;
int m = 0;
while ((feat = layer.GetNextFeature()) != null)
{
///Loop through field values
for (int iField = 0; iField < feat.GetFieldCount(); iField++)
{
OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, iLayer, m));
fdef.Dispose();
}
m++;
feat.Dispose();
}
}
else if (boundary[i] == null)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Clipping boundary " + i + " not set.");
}
else if (!boundary[i].IsValid)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "Clipping boundary " + i + " is not valid.");
}
else if (rec.IsValid && Curve.PlanarClosedCurveRelationship(rec.ToNurbsCurve(), boundary[i], Plane.WorldXY, Rhino.RhinoDoc.ActiveDoc.ModelAbsoluteTolerance) == RegionContainment.Disjoint)
{
AddRuntimeMessage(GH_RuntimeMessageLevel.Warning, "One or more clipping boundaries may be outside the bounds of the vector datasource.");
}
else
{
///Create bounding box for clipping geometry
Point3d min = boundary[i].GetBoundingBox(true).Min;
Point3d max = boundary[i].GetBoundingBox(true).Max;
min.Transform(modelToSourceSRSTransform);
max.Transform(modelToSourceSRSTransform);
double[] minpT = new double[3];
double[] maxpT = new double[3];
minpT[0] = min.X;
minpT[1] = min.Y;
minpT[2] = min.Z;
maxpT[0] = max.X;
maxpT[1] = max.Y;
maxpT[2] = max.Z;
OSGeo.OGR.Geometry ebbox = OSGeo.OGR.Geometry.CreateFromWkt("POLYGON((" + minpT[0] + " " + minpT[1] + ", " + minpT[0] + " " + maxpT[1] + ", " + maxpT[0] + " " + maxpT[1] + ", " + maxpT[0] + " " + minpT[1] + ", " + minpT[0] + " " + minpT[1] + "))");
///Create bounding box for clipping geometry
///Not working on MVT type files
//boundary[i].Transform(modelToSourceSRSTransform);
//OSGeo.OGR.Geometry ebbox = Heron.Convert.CurveToOgrPolygon(boundary[i]);
///Clip Shapefile
///http://pcjericks.github.io/py-gdalogr-cookbook/vector_layers.html
OSGeo.OGR.Layer clipped_layer = layer;
if (cropIt)
{
clipped_layer.SetSpatialFilter(ebbox);
}
///Loop through geometry
OSGeo.OGR.Feature feat;
def = clipped_layer.GetLayerDefn();
int m = 0;
while ((feat = clipped_layer.GetNextFeature()) != null)
{
OSGeo.OGR.Geometry geom = feat.GetGeometryRef();
OSGeo.OGR.Geometry sub_geom;
OSGeo.OGR.Geometry geomUser = feat.GetGeometryRef().Clone();
OSGeo.OGR.Geometry sub_geomUser;
///reproject geometry to WGS84 and userSRS
///TODO: look into using the SetCRS global variable here
if (geom.GetSpatialReference() == null)
{
geom.AssignSpatialReference(sourceSRS);
}
if (geomUser.GetSpatialReference() == null)
{
geomUser.AssignSpatialReference(sourceSRS);
}
geom.TransformTo(rhinoSRS);
geomUser.TransformTo(userSRS);
gtype.Append(new GH_String(geom.GetGeometryName()), new GH_Path(i, iLayer, m));
if (feat.GetGeometryRef() != null)
{
///Convert GDAL geometries to IGH_GeometricGoo
gGoo.AppendRange(Heron.Convert.OgrGeomToGHGoo(geomUser, userSRSToModelTransform), new GH_Path(i, iLayer, m));
/// Get Feature Values
if (fset.PathExists(new GH_Path(i, iLayer, m)))
{
fset.get_Branch(new GH_Path(i, iLayer, m)).Clear();
}
for (int iField = 0; iField < feat.GetFieldCount(); iField++)
{
OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
if (feat.IsFieldSet(iField))
{
fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, iLayer, m));
}
else
{
fset.Append(new GH_String("null"), new GH_Path(i, iLayer, m));
}
}
///End get Feature Values
///Start get points if open polylines and points
for (int gpc = 0; gpc < geom.GetPointCount(); gpc++)
{
///Loop through geometry points for Rhino SRS
double[] ogrPt = new double[3];
geom.GetPoint(gpc, ogrPt);
Point3d pt3D = new Point3d(ogrPt[0], ogrPt[1], ogrPt[2]);
pt3D.Transform(Heron.Convert.WGSToXYZTransform());
gset.Append(new GH_Point(pt3D), new GH_Path(i, iLayer, m));
///Loop through geometry points for User SRS
double[] ogrPtUser = new double[3];
geomUser.GetPoint(gpc, ogrPtUser);
Point3d pt3DUser = new Point3d(ogrPtUser[0], ogrPtUser[1], ogrPtUser[2]);
pt3DUser.Transform(userSRSToModelTransform);
gsetUser.Append(new GH_Point(pt3DUser), new GH_Path(i, iLayer, m));
///End loop through geometry points
/// Get Feature Values
if (fset.PathExists(new GH_Path(i, iLayer, m)))
{
fset.get_Branch(new GH_Path(i, iLayer, m)).Clear();
}
for (int iField = 0; iField < feat.GetFieldCount(); iField++)
{
OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
if (feat.IsFieldSet(iField))
{
fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, iLayer, m));
}
else
{
fset.Append(new GH_String("null"), new GH_Path(i, iLayer, m));
}
}
///End Get Feature Values
}
///End getting points if open polylines or points
///Start getting points if closed polylines and multipolygons
for (int gi = 0; gi < geom.GetGeometryCount(); gi++)
{
sub_geom = geom.GetGeometryRef(gi);
OSGeo.OGR.Geometry subsub_geom;
sub_geomUser = geomUser.GetGeometryRef(gi);
OSGeo.OGR.Geometry subsub_geomUser;
if (sub_geom.GetGeometryCount() > 0)
{
for (int n = 0; n < sub_geom.GetGeometryCount(); n++)
{
subsub_geom = sub_geom.GetGeometryRef(n);
subsub_geomUser = sub_geomUser.GetGeometryRef(n);
for (int ptnum = 0; ptnum < subsub_geom.GetPointCount(); ptnum++)
{
///Loop through geometry points
double[] ogrPt = new double[3];
subsub_geom.GetPoint(ptnum, ogrPt);
Point3d pt3D = new Point3d(ogrPt[0], ogrPt[1], ogrPt[2]);
pt3D.Transform(Heron.Convert.WGSToXYZTransform());
gset.Append(new GH_Point(pt3D), new GH_Path(i, iLayer, m, gi, n));
///Loop through geometry points for User SRS
double[] ogrPtUser = new double[3];
subsub_geomUser.GetPoint(ptnum, ogrPtUser);
Point3d pt3DUser = new Point3d(ogrPtUser[0], ogrPtUser[1], ogrPtUser[2]);
pt3DUser.Transform(userSRSToModelTransform);
gsetUser.Append(new GH_Point(pt3DUser), new GH_Path(i, iLayer, m, gi, n));
///End loop through geometry points
}
subsub_geom.Dispose();
subsub_geomUser.Dispose();
}
}
else
{
for (int ptnum = 0; ptnum < sub_geom.GetPointCount(); ptnum++)
{
///Loop through geometry points
double[] ogrPt = new double[3];
sub_geom.GetPoint(ptnum, ogrPt);
Point3d pt3D = new Point3d(ogrPt[0], ogrPt[1], ogrPt[2]);
pt3D.Transform(Heron.Convert.WGSToXYZTransform());
gset.Append(new GH_Point(pt3D), new GH_Path(i, iLayer, m, gi));
///Loop through geometry points for User SRS
double[] ogrPtUser = new double[3];
sub_geomUser.GetPoint(ptnum, ogrPtUser);
Point3d pt3DUser = new Point3d(ogrPtUser[0], ogrPtUser[1], ogrPtUser[2]);
pt3DUser.Transform(userSRSToModelTransform);
gsetUser.Append(new GH_Point(pt3DUser), new GH_Path(i, iLayer, m, gi));
///End loop through geometry points
}
}
sub_geom.Dispose();
sub_geomUser.Dispose();
/// Get Feature Values
if (fset.PathExists(new GH_Path(i, iLayer, m)))
{
fset.get_Branch(new GH_Path(i, iLayer, m)).Clear();
}
for (int iField = 0; iField < feat.GetFieldCount(); iField++)
{
OSGeo.OGR.FieldDefn fdef = def.GetFieldDefn(iField);
if (feat.IsFieldSet(iField))
{
fset.Append(new GH_String(feat.GetFieldAsString(iField)), new GH_Path(i, iLayer, m));
}
else
{
fset.Append(new GH_String("null"), new GH_Path(i, iLayer, m));
}
}
///End Get Feature Values
}
//m++;
}
m++;
geom.Dispose();
geomUser.Dispose();
feat.Dispose();
} ///end while loop through features
} ///end clipped layer else statement
} ///end loop through boundaries
layer.Dispose();
}///end loop through layers
dataSource.Dispose();
DA.SetDataTree(0, recs);
DA.SetDataTree(1, spatialReferences);
DA.SetDataTree(2, fnames);
DA.SetDataTree(3, fset);
DA.SetDataTree(4, gset);
DA.SetDataTree(5, gsetUser);
DA.SetDataTree(6, recsUser);
DA.SetDataTree(7, gGoo);
DA.SetDataTree(8, gtype);
}
public void GetEnvelope(Envelope env)
{
OgrPINVOKE.Geometry_GetEnvelope(swigCPtr, Envelope.getCPtr(env));
if (OgrPINVOKE.SWIGPendingException.Pending) throw OgrPINVOKE.SWIGPendingException.Retrieve();
}
private List <Geometry> getWidth(Layer buildingLayer, Geometry sourcePoint, Geometry receivePoint, Geometry line)
{
topBuilding st = new topBuilding();
st.width = 0;
st.high = 0;
st.tophigh = null;
st.topwidth = null;
// buildingLayer.ResetReading();
Feature bFeature = null;
OSGeo.OGR.Envelope env = new OSGeo.OGR.Envelope();
while ((bFeature = buildingLayer.GetNextFeature()) != null)
{
bFeature.GetGeometryRef().GetEnvelope(env);
double width = Math.Sqrt((env.MaxX - env.MinX) * (env.MaxX - env.MinX) + (env.MaxY - env.MinY) * (env.MaxY - env.MinY));
if (st.width < width)
{
st.width = width;
st.topwidth = bFeature.GetGeometryRef();
}
if (st.high < bFeature.GetFieldAsDouble("HEIGHT_G"))
{
st.high = bFeature.GetFieldAsDouble("HEIGHT_G");
st.tophigh = bFeature.GetGeometryRef();
}
}
List <Geometry> list = null;
//list.Add(line);
if (st.topwidth != null)
{
list = new List <Geometry>();
SortedDictionary <double, Geometry> upLinePoint = new SortedDictionary <double, Geometry>();
SortedDictionary <double, Geometry> belowLinePoint = new SortedDictionary <double, Geometry>();
double k = (sourcePoint.GetY(0) - receivePoint.GetY(0)) / (sourcePoint.GetX(0) - receivePoint.GetX(0));
double b = sourcePoint.GetY(0) - k * sourcePoint.GetX(0);
Geometry buildingring = new Geometry(wkbGeometryType.wkbLinearRing);
st.topwidth.GetEnvelope(env);
buildingring.AddPoint(env.MinX, env.MinY, 0);
buildingring.AddPoint(env.MaxX, env.MinY, 0);
buildingring.AddPoint(env.MaxX, env.MaxY, 0);
buildingring.AddPoint(env.MinX, env.MaxY, 0);
for (int i = 0; i < buildingring.GetPointCount(); i++)
{
Geometry point = GeometryCreate.createPoint3D(buildingring.GetX(i), buildingring.GetY(i), buildingring.GetZ(i));
if (point.GetY(0) < k * point.GetX(0) + b)
{
belowLinePoint.Add(sourcePoint.Distance(point), point);
}
else if (buildingring.GetY(i) > k * buildingring.GetX(i) + b)
{
upLinePoint.Add(sourcePoint.Distance(point), point);
}
}
Geometry uoLine = new Geometry(wkbGeometryType.wkbLineString);
Geometry belowLine = new Geometry(wkbGeometryType.wkbLineString);
if (upLinePoint.Count > 0)
{
uoLine.AddPoint(sourcePoint.GetX(0), sourcePoint.GetY(0), sourcePoint.GetZ(0));
foreach (KeyValuePair <double, Geometry> item in upLinePoint)
{
uoLine.AddPoint(item.Value.GetX(0), item.Value.GetY(0), item.Value.GetZ(0));
}
uoLine.AddPoint(receivePoint.GetX(0), receivePoint.GetY(0), receivePoint.GetZ(0));
}
if (belowLinePoint.Count > 0)
{
belowLine.AddPoint(sourcePoint.GetX(0), sourcePoint.GetY(0), sourcePoint.GetZ(0));
foreach (KeyValuePair <double, Geometry> item in belowLinePoint)
{
belowLine.AddPoint(item.Value.GetX(0), item.Value.GetY(0), item.Value.GetZ(0));
}
belowLine.AddPoint(receivePoint.GetX(0), receivePoint.GetY(0), receivePoint.GetZ(0));
}
list.Add(uoLine);
list.Add(belowLine);
}
return(list);
}
/// <summary>
/// Boundingbox of the dataset
/// </summary>
/// <returns>boundingbox</returns>
public SharpMap.Geometries.BoundingBox GetExtents()
{
if (this._bbox == null)
{
OSGeo.OGR.Envelope _OgrEnvelope = new Envelope();
int i = _OgrLayer.GetExtent(_OgrEnvelope, 1);
this._bbox = new SharpMap.Geometries.BoundingBox(_OgrEnvelope.MinX,
_OgrEnvelope.MinY,
_OgrEnvelope.MaxX,
_OgrEnvelope.MaxY);
}
return _bbox;
}
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);
}
