// no cuts
private void Generate_polygon_cuts_()
{
com.epl.geometry.AttributeStreamOfInt32 cutHandles = new com.epl.geometry.AttributeStreamOfInt32(0);
com.epl.geometry.EditShape shape = new com.epl.geometry.EditShape();
int sideIndex = shape.CreateGeometryUserIndex();
int cutteeHandle = shape.AddGeometry(m_cuttee);
int cutterHandle = shape.AddGeometry(m_cutter);
com.epl.geometry.TopologicalOperations topoOp = new com.epl.geometry.TopologicalOperations();
try
{
topoOp.SetEditShapeCrackAndCluster(shape, m_tolerance, m_progressTracker);
topoOp.Cut(sideIndex, cutteeHandle, cutterHandle, cutHandles);
com.epl.geometry.Polygon cutteeRemainder = (com.epl.geometry.Polygon)shape.GetGeometry(cutteeHandle);
com.epl.geometry.MultiPath left = new com.epl.geometry.Polygon();
com.epl.geometry.MultiPath right = new com.epl.geometry.Polygon();
m_cuts.Clear();
m_cuts.Add(left);
m_cuts.Add(right);
for (int icutIndex = 0; icutIndex < cutHandles.Size(); icutIndex++)
{
com.epl.geometry.Geometry cutGeometry;
{
// intersection
com.epl.geometry.EditShape shapeIntersect = new com.epl.geometry.EditShape();
int geometryA = shapeIntersect.AddGeometry(cutteeRemainder);
int geometryB = shapeIntersect.AddGeometry(shape.GetGeometry(cutHandles.Get(icutIndex)));
topoOp.SetEditShape(shapeIntersect, m_progressTracker);
int intersectHandle = topoOp.Intersection(geometryA, geometryB);
cutGeometry = shapeIntersect.GetGeometry(intersectHandle);
if (cutGeometry.IsEmpty())
{
continue;
}
int side = shape.GetGeometryUserIndex(cutHandles.Get(icutIndex), sideIndex);
if (side == 2)
{
left.Add((com.epl.geometry.MultiPath)cutGeometry, false);
}
else
{
if (side == 1)
{
right.Add((com.epl.geometry.MultiPath)cutGeometry, false);
}
else
{
m_cuts.Add((com.epl.geometry.MultiPath)cutGeometry);
}
}
}
{
// Undefined
// difference
com.epl.geometry.EditShape shapeDifference = new com.epl.geometry.EditShape();
int geometryA = shapeDifference.AddGeometry(cutteeRemainder);
int geometryB = shapeDifference.AddGeometry(shape.GetGeometry(cutHandles.Get(icutIndex)));
topoOp.SetEditShape(shapeDifference, m_progressTracker);
cutteeRemainder = (com.epl.geometry.Polygon)shapeDifference.GetGeometry(topoOp.Difference(geometryA, geometryB));
}
}
if (!cutteeRemainder.IsEmpty() && cutHandles.Size() > 0)
{
m_cuts.Add((com.epl.geometry.MultiPath)cutteeRemainder);
}
if (left.IsEmpty() && right.IsEmpty())
{
m_cuts.Clear();
}
}
finally
{
// no cuts
topoOp.RemoveShape();
}
}
public static void TestEditShape__()
{
{
// Single part polygon
com.epl.geometry.Polygon poly = new com.epl.geometry.Polygon();
poly.StartPath(10, 10);
poly.LineTo(10, 12);
poly.LineTo(14, 15);
poly.LineTo(10, 11);
com.epl.geometry.EditShape editShape = new com.epl.geometry.EditShape();
int geom = editShape.AddGeometry(poly);
com.epl.geometry.Polygon poly2 = (com.epl.geometry.Polygon)editShape.GetGeometry(geom);
NUnit.Framework.Assert.IsTrue(poly.Equals(poly2));
}
{
// Two part poly
com.epl.geometry.Polygon poly = new com.epl.geometry.Polygon();
poly.StartPath(10, 10);
poly.LineTo(10, 12);
poly.LineTo(14, 15);
poly.LineTo(10, 11);
poly.StartPath(100, 10);
poly.LineTo(100, 12);
poly.LineTo(14, 150);
poly.LineTo(10, 101);
poly.LineTo(100, 11);
com.epl.geometry.EditShape editShape = new com.epl.geometry.EditShape();
int geom = editShape.AddGeometry(poly);
com.epl.geometry.Polygon poly2 = (com.epl.geometry.Polygon)editShape.GetGeometry(geom);
NUnit.Framework.Assert.IsTrue(poly.Equals(poly2));
}
{
// Single part polyline
com.epl.geometry.Polyline poly = new com.epl.geometry.Polyline();
poly.StartPath(10, 10);
poly.LineTo(10, 12);
poly.LineTo(14, 15);
poly.LineTo(10, 11);
com.epl.geometry.EditShape editShape = new com.epl.geometry.EditShape();
int geom = editShape.AddGeometry(poly);
com.epl.geometry.Polyline poly2 = (com.epl.geometry.Polyline)editShape.GetGeometry(geom);
NUnit.Framework.Assert.IsTrue(poly.Equals(poly2));
}
{
// Two part poly
com.epl.geometry.Polyline poly = new com.epl.geometry.Polyline();
poly.StartPath(10, 10);
poly.LineTo(10, 12);
poly.LineTo(14, 15);
poly.LineTo(10, 11);
poly.StartPath(100, 10);
poly.LineTo(100, 12);
poly.LineTo(14, 150);
poly.LineTo(10, 101);
poly.LineTo(100, 11);
com.epl.geometry.EditShape editShape = new com.epl.geometry.EditShape();
int geom = editShape.AddGeometry(poly);
com.epl.geometry.Polyline poly2 = (com.epl.geometry.Polyline)editShape.GetGeometry(geom);
NUnit.Framework.Assert.IsTrue(poly.Equals(poly2));
}
{
// Five part poly. Close one of parts to test if it works.
com.epl.geometry.Polyline poly = new com.epl.geometry.Polyline();
poly.StartPath(10, 10);
poly.LineTo(10, 12);
poly.LineTo(14, 15);
poly.LineTo(10, 11);
poly.StartPath(100, 10);
poly.LineTo(100, 12);
poly.LineTo(14, 150);
poly.LineTo(10, 101);
poly.LineTo(100, 11);
poly.StartPath(1100, 101);
poly.LineTo(1300, 132);
poly.LineTo(144, 150);
poly.LineTo(106, 1051);
poly.LineTo(1600, 161);
poly.StartPath(100, 190);
poly.LineTo(1800, 192);
poly.LineTo(184, 8150);
poly.LineTo(1080, 181);
poly.StartPath(1030, 10);
poly.LineTo(1300, 132);
poly.LineTo(314, 3150);
poly.LineTo(310, 1301);
poly.LineTo(3100, 311);
com.epl.geometry.EditShape editShape = new com.epl.geometry.EditShape();
int geom = editShape.AddGeometry(poly);
editShape.SetClosedPath(editShape.GetNextPath(editShape.GetFirstPath(geom)), true);
((com.epl.geometry.MultiPathImpl)poly._getImpl()).ClosePathWithLine(1);
com.epl.geometry.Polyline poly2 = (com.epl.geometry.Polyline)editShape.GetGeometry(geom);
NUnit.Framework.Assert.IsTrue(poly.Equals(poly2));
}
{
// Test erase
com.epl.geometry.Polyline poly = new com.epl.geometry.Polyline();
poly.StartPath(10, 10);
poly.LineTo(10, 12);
poly.LineTo(314, 3150);
poly.LineTo(310, 1301);
poly.LineTo(3100, 311);
com.epl.geometry.EditShape editShape = new com.epl.geometry.EditShape();
int geom = editShape.AddGeometry(poly);
int vertex = editShape.GetFirstVertex(editShape.GetFirstPath(geom));
vertex = editShape.RemoveVertex(vertex, true);
vertex = editShape.GetNextVertex(vertex);
editShape.RemoveVertex(vertex, true);
com.epl.geometry.Polyline poly2 = (com.epl.geometry.Polyline)editShape.GetGeometry(geom);
poly.SetEmpty();
poly.StartPath(10, 12);
poly.LineTo(310, 1301);
poly.LineTo(3100, 311);
NUnit.Framework.Assert.IsTrue(poly.Equals(poly2));
}
{
// Test erase
com.epl.geometry.Polygon poly = new com.epl.geometry.Polygon();
poly.StartPath(10, 10);
poly.LineTo(10, 12);
poly.LineTo(314, 3150);
poly.LineTo(310, 1301);
poly.LineTo(3100, 311);
com.epl.geometry.EditShape editShape = new com.epl.geometry.EditShape();
int geom = editShape.AddGeometry(poly);
int vertex = editShape.GetFirstVertex(editShape.GetFirstPath(geom));
vertex = editShape.RemoveVertex(vertex, true);
vertex = editShape.GetNextVertex(vertex);
editShape.RemoveVertex(vertex, true);
com.epl.geometry.Polygon poly2 = (com.epl.geometry.Polygon)editShape.GetGeometry(geom);
poly.SetEmpty();
poly.StartPath(10, 12);
poly.LineTo(310, 1301);
poly.LineTo(3100, 311);
NUnit.Framework.Assert.IsTrue(poly.Equals(poly2));
}
{
// Test Filter Close Points
com.epl.geometry.Polygon poly = new com.epl.geometry.Polygon();
poly.StartPath(10, 10);
poly.LineTo(10, 10.001);
poly.LineTo(10.001, 10);
com.epl.geometry.EditShape editShape = new com.epl.geometry.EditShape();
int geom = editShape.AddGeometry(poly);
editShape.FilterClosePoints(0.002, true, false);
com.epl.geometry.Polygon poly2 = (com.epl.geometry.Polygon)editShape.GetGeometry(geom);
NUnit.Framework.Assert.IsTrue(poly2.IsEmpty());
}
{
// Test Filter Close Points
com.epl.geometry.Polygon poly = new com.epl.geometry.Polygon();
poly.StartPath(10, 10);
poly.LineTo(10, 10.0025);
poly.LineTo(11.0, 10);
com.epl.geometry.EditShape editShape = new com.epl.geometry.EditShape();
int geom = editShape.AddGeometry(poly);
editShape.FilterClosePoints(0.002, true, false);
com.epl.geometry.Polygon poly2 = (com.epl.geometry.Polygon)editShape.GetGeometry(geom);
NUnit.Framework.Assert.IsTrue(!poly2.IsEmpty());
}
{
// Test Filter Close Points
com.epl.geometry.Polygon poly = new com.epl.geometry.Polygon();
poly.StartPath(10, 10);
poly.LineTo(10, 10.001);
poly.LineTo(11.0, 10);
com.epl.geometry.EditShape editShape = new com.epl.geometry.EditShape();
int geom = editShape.AddGeometry(poly);
editShape.FilterClosePoints(0.002, true, false);
com.epl.geometry.Polygon poly2 = (com.epl.geometry.Polygon)editShape.GetGeometry(geom);
NUnit.Framework.Assert.IsTrue(poly2.IsEmpty());
}
{
// Test attribute splitting 1
com.epl.geometry.Polyline polyline = new com.epl.geometry.Polyline();
polyline.StartPath(0, 0);
polyline.LineTo(1, 1);
polyline.LineTo(2, 2);
polyline.LineTo(3, 3);
polyline.LineTo(4, 4);
polyline.StartPath(5, 5);
polyline.LineTo(6, 6);
polyline.LineTo(7, 7);
polyline.LineTo(8, 8);
polyline.LineTo(9, 9);
polyline.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
polyline.SetAttribute(com.epl.geometry.VertexDescription.Semantics.Z, 0, 0, 4);
polyline.SetAttribute(com.epl.geometry.VertexDescription.Semantics.Z, 1, 0, 8);
polyline.SetAttribute(com.epl.geometry.VertexDescription.Semantics.Z, 2, 0, 12);
polyline.SetAttribute(com.epl.geometry.VertexDescription.Semantics.Z, 3, 0, 16);
polyline.SetAttribute(com.epl.geometry.VertexDescription.Semantics.Z, 4, 0, 20);
polyline.SetAttribute(com.epl.geometry.VertexDescription.Semantics.Z, 5, 0, 22);
polyline.SetAttribute(com.epl.geometry.VertexDescription.Semantics.Z, 6, 0, 26);
polyline.SetAttribute(com.epl.geometry.VertexDescription.Semantics.Z, 7, 0, 30);
polyline.SetAttribute(com.epl.geometry.VertexDescription.Semantics.Z, 8, 0, 34);
polyline.SetAttribute(com.epl.geometry.VertexDescription.Semantics.Z, 9, 0, 38);
com.epl.geometry.EditShape shape = new com.epl.geometry.EditShape();
int geometry = shape.AddGeometry(polyline);
com.epl.geometry.AttributeStreamOfInt32 vertex_handles = new com.epl.geometry.AttributeStreamOfInt32(0);
for (int path = shape.GetFirstPath(geometry); path != -1; path = shape.GetNextPath(path))
{
for (int vertex = shape.GetFirstVertex(path); vertex != -1; vertex = shape.GetNextVertex(vertex))
{
if (vertex != shape.GetLastVertex(path))
{
vertex_handles.Add(vertex);
}
}
}
double[] t = new double[1];
for (int i = 0; i < vertex_handles.Size(); i++)
{
int vertex = vertex_handles.Read(i);
t[0] = 0.5;
shape.SplitSegment(vertex, t, 1);
}
com.epl.geometry.Polyline chopped_polyline = (com.epl.geometry.Polyline)shape.GetGeometry(geometry);
NUnit.Framework.Assert.IsTrue(chopped_polyline.GetPointCount() == 18);
double att_ = 4;
for (int i_1 = 0; i_1 < 18; i_1++)
{
double att = chopped_polyline.GetAttributeAsDbl(com.epl.geometry.VertexDescription.Semantics.Z, i_1, 0);
NUnit.Framework.Assert.IsTrue(att == att_);
att_ += 2;
}
}
{
// Test attribute splitting 2
com.epl.geometry.Polyline line1 = new com.epl.geometry.Polyline();
com.epl.geometry.Polyline line2 = new com.epl.geometry.Polyline();
line1.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
line2.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
line1.StartPath(0, 0);
line1.LineTo(10, 10);
line2.StartPath(10, 0);
line2.LineTo(0, 10);
line1.SetAttribute(com.epl.geometry.VertexDescription.Semantics.M, 0, 0, 7);
line1.SetAttribute(com.epl.geometry.VertexDescription.Semantics.M, 1, 0, 17);
line2.SetAttribute(com.epl.geometry.VertexDescription.Semantics.M, 0, 0, 5);
line2.SetAttribute(com.epl.geometry.VertexDescription.Semantics.M, 1, 0, 15);
com.epl.geometry.EditShape shape = new com.epl.geometry.EditShape();
int g1 = shape.AddGeometry(line1);
int g2 = shape.AddGeometry(line2);
com.epl.geometry.CrackAndCluster.Execute(shape, 0.001, null, true);
com.epl.geometry.Polyline chopped_line1 = (com.epl.geometry.Polyline)shape.GetGeometry(g1);
com.epl.geometry.Polyline chopped_line2 = (com.epl.geometry.Polyline)shape.GetGeometry(g2);
double att1 = chopped_line1.GetAttributeAsDbl(com.epl.geometry.VertexDescription.Semantics.M, 1, 0);
double att2 = chopped_line2.GetAttributeAsDbl(com.epl.geometry.VertexDescription.Semantics.M, 1, 0);
NUnit.Framework.Assert.IsTrue(att1 == 12);
NUnit.Framework.Assert.IsTrue(att2 == 10);
}
{
// Test attribute splitting 3
com.epl.geometry.Polygon polygon = new com.epl.geometry.Polygon();
polygon.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
polygon.StartPath(0, 0);
polygon.LineTo(0, 10);
polygon.LineTo(10, 10);
polygon.LineTo(10, 0);
polygon.SetAttribute(com.epl.geometry.VertexDescription.Semantics.M, 0, 0, 7);
polygon.SetAttribute(com.epl.geometry.VertexDescription.Semantics.M, 1, 0, 17);
polygon.SetAttribute(com.epl.geometry.VertexDescription.Semantics.M, 2, 0, 23);
polygon.SetAttribute(com.epl.geometry.VertexDescription.Semantics.M, 3, 0, 43);
com.epl.geometry.EditShape shape = new com.epl.geometry.EditShape();
int geometry = shape.AddGeometry(polygon);
com.epl.geometry.AttributeStreamOfInt32 vertex_handles = new com.epl.geometry.AttributeStreamOfInt32(0);
int start_v = shape.GetFirstVertex(shape.GetFirstPath(geometry));
int v = start_v;
do
{
vertex_handles.Add(v);
v = shape.GetNextVertex(v);
}while (v != start_v);
double[] t = new double[1];
for (int i = 0; i < vertex_handles.Size(); i++)
{
int v1 = vertex_handles.Read(i);
t[0] = 0.5;
shape.SplitSegment(v1, t, 1);
}
com.epl.geometry.Polygon cut_polygon = (com.epl.geometry.Polygon)shape.GetGeometry(geometry);
NUnit.Framework.Assert.IsTrue(cut_polygon.GetPointCount() == 8);
com.epl.geometry.Point2D pt0 = cut_polygon.GetXY(0);
double a0 = cut_polygon.GetAttributeAsDbl(com.epl.geometry.VertexDescription.Semantics.M, 0, 0);
NUnit.Framework.Assert.IsTrue(a0 == 25);
com.epl.geometry.Point2D pt1 = cut_polygon.GetXY(1);
double a1 = cut_polygon.GetAttributeAsDbl(com.epl.geometry.VertexDescription.Semantics.M, 1, 0);
NUnit.Framework.Assert.IsTrue(a1 == 7);
com.epl.geometry.Point2D pt2 = cut_polygon.GetXY(2);
double a2 = cut_polygon.GetAttributeAsDbl(com.epl.geometry.VertexDescription.Semantics.M, 2, 0);
NUnit.Framework.Assert.IsTrue(a2 == 12);
com.epl.geometry.Point2D pt3 = cut_polygon.GetXY(3);
double a3 = cut_polygon.GetAttributeAsDbl(com.epl.geometry.VertexDescription.Semantics.M, 3, 0);
NUnit.Framework.Assert.IsTrue(a3 == 17);
com.epl.geometry.Point2D pt4 = cut_polygon.GetXY(4);
double a4 = cut_polygon.GetAttributeAsDbl(com.epl.geometry.VertexDescription.Semantics.M, 4, 0);
NUnit.Framework.Assert.IsTrue(a4 == 20);
com.epl.geometry.Point2D pt5 = cut_polygon.GetXY(5);
double a5 = cut_polygon.GetAttributeAsDbl(com.epl.geometry.VertexDescription.Semantics.M, 5, 0);
NUnit.Framework.Assert.IsTrue(a5 == 23);
com.epl.geometry.Point2D pt6 = cut_polygon.GetXY(6);
double a6 = cut_polygon.GetAttributeAsDbl(com.epl.geometry.VertexDescription.Semantics.M, 6, 0);
NUnit.Framework.Assert.IsTrue(a6 == 33);
com.epl.geometry.Point2D pt7 = cut_polygon.GetXY(7);
double a7 = cut_polygon.GetAttributeAsDbl(com.epl.geometry.VertexDescription.Semantics.M, 7, 0);
NUnit.Framework.Assert.IsTrue(a7 == 43);
}
}