public void DissolveLargefile(tkGeometryEngine geometryEngine)
{
var tempFolder = Helper.WorkingFolder("DissolveLargefile");
const string sfLocation = @"D:\dev\GIS-Data\Issues\MWGIS-78 Clipper\FishnetClipped_fix.shp";
var sfOutput = Path.Combine(tempFolder, $"FishnetDissolved-{geometryEngine.ToString()}.shp");
if (File.Exists(sfOutput))
{
Helper.DeleteShapefile(sfOutput);
}
const int fieldIndex = 5;
var sf = Helper.OpenShapefile(sfLocation);
sf.GeometryEngine = geometryEngine;
Helper.DebugMsg("numShapes Input: " + sf.NumShapes);
var stopWatch = new Stopwatch();
stopWatch.Start();
var sfDissolved = sf.Dissolve(fieldIndex, false);
Helper.DebugMsg("Time it took to dissolve: " + stopWatch.Elapsed);
stopWatch.Restart();
Assert.IsNotNull(sfDissolved, "sfDissolved is null: " + sf.ErrorMsg[sf.LastErrorCode]);
Helper.SaveAsShapefile(sfDissolved, sfOutput);
Helper.DebugMsg("NumShapes: " + sfDissolved.NumShapes);
Helper.CheckValidity(sfDissolved);
Assert.IsFalse(sfDissolved.HasInvalidShapes(), "Result has invalid shapes");
if (!sfDissolved.Close())
{
Assert.Fail("Can't close sfDissolved Error: " + sfDissolved.ErrorMsg[sfDissolved.LastErrorCode]);
}
;
if (!sf.Close())
{
Assert.Fail("Can't close sf Error: " + sf.ErrorMsg[sf.LastErrorCode]);
}
;
}
private static void MergeShapefile(tkGeometryEngine geometryEngine)
{
var tempFolder = Helper.WorkingFolder("MergeShapefile");
const string sfInputfile = @"D:\dev\GIS-Data\Issues\MWGIS-78 Clipper\FewPolygons.shp";
var sfOutputFile = Path.Combine(tempFolder, $"FewPolygons_Merged_{geometryEngine.ToString()}.shp");
var sfInput = Helper.OpenShapefile(sfInputfile);
if (File.Exists(sfOutputFile))
{
Helper.DeleteShapefile(sfOutputFile);
}
var stopWatch = new Stopwatch();
stopWatch.Start();
sfInput.GeometryEngine = geometryEngine;
var newShape = sfInput.Shape[0];
for (var i = 1; i < sfInput.NumShapes; i++)
{
// Union all shapes together:
newShape = newShape.Clip(sfInput.Shape[i], tkClipOperation.clUnion);
}
Helper.DebugMsg("Time it took: " + stopWatch.Elapsed);
stopWatch.Restart();
Assert.IsNotNull(newShape, "newShape is null: " + newShape.ErrorMsg[newShape.LastErrorCode]);
var sfOutput = new Shapefile();
sfOutput.CreateNewWithShapeID(sfOutputFile, ShpfileType.SHP_POLYGON);
var numShape = 0;
var retVal = sfOutput.EditInsertShape(newShape, ref numShape);
Assert.IsTrue(retVal, "Failed to add shape");
sfOutput.StopEditingShapes();
Assert.IsTrue(File.Exists(sfOutputFile), "Output does not exists");
Helper.DebugMsg(sfOutputFile);
Helper.DebugMsg("NumShapes: " + sfOutput.NumShapes);
Assert.AreEqual(sfOutput.NumShapes, 1);
if (!sfInput.Close())
{
Assert.Fail("Can't close sfBorder Error: " + sfInput.ErrorMsg[sfInput.LastErrorCode]);
}
if (!sfOutput.Close())
{
Assert.Fail("Can't close sfClipped Error: " + sfOutput.ErrorMsg[sfOutput.LastErrorCode]);
}
}
private static void Clipfile(tkGeometryEngine geometryEngine, double multiplier, double size)
{
if (_settings == null)
{
Assert.Fail("Settings are not set");
}
var tempFolder = Helper.WorkingFolder("Clipfile");
var stopWatch = new Stopwatch();
_settings.MinPolygonArea = Math.Min(_settings.MinPolygonArea, size * size / 4);
stopWatch.Start();
var sfBorder = CreateBorder(multiplier);
Helper.DebugMsg("Time it took to create the border: " + stopWatch.Elapsed);
stopWatch.Restart();
Helper.SaveAsShapefile(sfBorder, Path.Combine(tempFolder, $"{DateTime.Now.Ticks} clip_border_{geometryEngine.ToString()}_{multiplier}.shp"));
var sfFishnet = Helper.CreateFishnet(sfBorder.Extents, size, size);
Helper.DebugMsg("Time it took to create the fishnet: " + stopWatch.Elapsed);
stopWatch.Restart();
sfFishnet.GeoProjection = sfBorder.GeoProjection;
Helper.SaveAsShapefile(sfFishnet, Path.Combine(tempFolder, $"{DateTime.Now.Ticks} clip_smallFishnet_{geometryEngine.ToString()}_{size}.shp"));
if (sfBorder.HasInvalidShapes())
{
Helper.DebugMsg("Border has invalid shapes");
}
if (sfFishnet.HasInvalidShapes())
{
Helper.DebugMsg("Fishnet has invalid shapes");
}
sfFishnet.GeometryEngine = geometryEngine;
var sfClipped = sfFishnet.Clip(false, sfBorder, false);
Helper.DebugMsg("Time it took to clip: " + stopWatch.Elapsed);
stopWatch.Restart();
Assert.IsNotNull(sfClipped, "sfClipped is null: " + sfFishnet.ErrorMsg[sfFishnet.LastErrorCode]);
var sfOutputFile = Path.Combine(tempFolder, $"{DateTime.Now.Ticks} FishnetClipped_{geometryEngine.ToString()}_{multiplier}_{size}.shp");
Helper.SaveAsShapefile(sfClipped, sfOutputFile);
if (!sfBorder.Close())
{
Assert.Fail("Can't close sfBorder Error: " + sfBorder.ErrorMsg[sfBorder.LastErrorCode]);
}
if (!sfFishnet.Close())
{
Assert.Fail("Can't close sfClipped Error: " + sfFishnet.ErrorMsg[sfFishnet.LastErrorCode]);
}
Helper.DebugMsg("Checking if the output file has any invalid shapes .... ");
Assert.IsFalse(sfClipped.HasInvalidShapes(), "Output file has invalid shapes");
if (!sfClipped.Close())
{
Assert.Fail("Can't close sfClipped Error: " + sfClipped.ErrorMsg[sfClipped.LastErrorCode]);
}
}
private static void ClipLargefile(tkGeometryEngine geometryEngine)
{
// When not calles
if (_settings == null)
{
Assert.Fail("Settings are not set");
}
// ogr2ogr -clipsrc "Droog-Sloefweg.WGS 84 - UTM zone 31N.shp" clipped.shp Fishnet.shp
var tempFolder = Helper.WorkingFolder("ClipLargefile");
const string sfFishnetFile = @"D:\dev\GIS-Data\Issues\MWGIS-78 Clipper\Fishnet.shp";
const string sfBorderFile = @"D:\dev\GIS-Data\Issues\MWGIS-78 Clipper\border.shp";
var sfOutputFile = Path.Combine(tempFolder, $"{DateTime.Now.Ticks} FishnetClipped_{geometryEngine.ToString()}.shp");
var sfFishnet = Helper.OpenShapefile(sfFishnetFile, false);
var sfBorder = Helper.OpenShapefile(sfBorderFile, false);
var stopWatch = new Stopwatch();
stopWatch.Start();
sfFishnet.GeometryEngine = geometryEngine;
var sfClipped = sfFishnet.Clip(false, sfBorder, false);
Helper.DebugMsg("Time it took to clip: " + stopWatch.Elapsed);
stopWatch.Restart();
Helper.DebugMsg("sfBorder.ErrorMsg: " + sfBorder.ErrorMsg[sfBorder.LastErrorCode]);
Helper.DebugMsg("sfFishnet.ErrorMsg: " + sfFishnet.ErrorMsg[sfFishnet.LastErrorCode]);
Helper.DebugMsg("sfClipped.ErrorMsg: " + sfClipped.ErrorMsg[sfClipped.LastErrorCode]);
Assert.IsNotNull(sfClipped, "sfClipped is null: " + sfClipped.ErrorMsg[sfClipped.LastErrorCode]);
Helper.SaveAsShapefile(sfClipped, sfOutputFile);
Helper.DebugMsg("NumShapes: " + sfClipped.NumShapes);
if (!sfBorder.Close())
{
Assert.Fail("Can't close sfBorder Error: " + sfBorder.ErrorMsg[sfBorder.LastErrorCode]);
}
if (!sfFishnet.Close())
{
Assert.Fail("Can't close sfClipped Error: " + sfFishnet.ErrorMsg[sfFishnet.LastErrorCode]);
}
Helper.DebugMsg("Checking if the output file has any invalid shapes .... ");
Assert.IsFalse(sfClipped.HasInvalidShapes(), "Output file has invalid shapes");
if (!sfClipped.Close())
{
Assert.Fail("Can't close sfClipped Error: " + sfClipped.ErrorMsg[sfClipped.LastErrorCode]);
}
}
private static void DissolveSmallfile(tkGeometryEngine geometryEngine)
{
var tempFolder = Helper.WorkingFolder("DissolveSmallfile");
// const string sfLocation = @"D:\dev\GIS-Data\Issues\MWGIS-78 Clipper\FewPolygons.shp";
const string sfLocation = @"D:\dev\GIS-Data\Issues\MWGIS-78 Clipper\FishnetClipped_export2.shp";
var sfOutput = Path.Combine(tempFolder, $"FewPolygons-Dissolved_{geometryEngine.ToString()}.shp");
const int fieldIndex = 5;
var sf = Helper.OpenShapefile(sfLocation);
if (File.Exists(sfOutput))
{
Helper.DeleteShapefile(sfOutput);
}
var stopWatch = new Stopwatch();
stopWatch.Start();
sf.GeometryEngine = geometryEngine;
var sfDissolved = sf.Dissolve(fieldIndex, false);
Helper.DebugMsg("Time it took: " + stopWatch.Elapsed);
stopWatch.Restart();
Assert.IsNotNull(sfDissolved, "sfDissolved is null: " + sf.ErrorMsg[sf.LastErrorCode]);
Helper.SaveAsShapefile(sfDissolved, sfOutput);
Helper.DebugMsg("NumShapes: " + sfDissolved.NumShapes);
Assert.AreEqual(12, sfDissolved.NumShapes, 1, "Too few shapes");
Helper.CheckValidity(sfDissolved);
Assert.IsFalse(sfDissolved.HasInvalidShapes(), "Result has invalid shapes");
}