internal virtual com.epl.geometry.Proximity2DResult MultiVertexGetNearestVertex(com.epl.geometry.MultiVertexGeometry geom, com.epl.geometry.Point2D inputPoint)
{
com.epl.geometry.MultiVertexGeometryImpl mpImpl = (com.epl.geometry.MultiVertexGeometryImpl)geom._getImpl();
com.epl.geometry.AttributeStreamOfDbl position = (com.epl.geometry.AttributeStreamOfDbl)mpImpl.GetAttributeStreamRef((com.epl.geometry.VertexDescription.Semantics.POSITION));
int pointCount = geom.GetPointCount();
int closestIndex = 0;
double closestx = 0.0;
double closesty = 0.0;
double closestDistanceSq = com.epl.geometry.NumberUtils.DoubleMax();
for (int i = 0; i < pointCount; i++)
{
com.epl.geometry.Point2D pt = new com.epl.geometry.Point2D();
position.Read(2 * i, pt);
double distanceSq = com.epl.geometry.Point2D.SqrDistance(pt, inputPoint);
if (distanceSq < closestDistanceSq)
{
closestx = pt.x;
closesty = pt.y;
closestIndex = i;
closestDistanceSq = distanceSq;
}
}
com.epl.geometry.Proximity2DResult result = new com.epl.geometry.Proximity2DResult();
result._setParams(closestx, closesty, closestIndex, System.Math.Sqrt(closestDistanceSq));
return(result);
}
// Dynamically inserts each geometry into the convex hull.
private void AddMultiVertexGeometry_(com.epl.geometry.MultiVertexGeometry mvg)
{
com.epl.geometry.Point point = new com.epl.geometry.Point();
com.epl.geometry.Point2D pt_p = new com.epl.geometry.Point2D();
for (int i = 0; i < mvg.GetPointCount(); i++)
{
mvg.GetXY(i, pt_p);
int p = AddPoint_(pt_p);
if (p != -1)
{
mvg.GetPointByVal(i, point);
int tp = m_shape.AddPoint(m_path_handle, point);
m_tree_hull.SetElement(p, tp);
}
}
}
internal virtual com.epl.geometry.Proximity2DResult[] MultiVertexGetNearestVertices(com.epl.geometry.MultiVertexGeometry geom, com.epl.geometry.Point2D inputPoint, double searchRadius, int maxVertexCountToReturn)
{
com.epl.geometry.Proximity2DResult[] resultArray;
if (maxVertexCountToReturn == 0)
{
resultArray = new com.epl.geometry.Proximity2DResult[0];
return(resultArray);
}
com.epl.geometry.MultiVertexGeometryImpl mpImpl = (com.epl.geometry.MultiVertexGeometryImpl)geom._getImpl();
com.epl.geometry.AttributeStreamOfDbl position = (com.epl.geometry.AttributeStreamOfDbl)mpImpl.GetAttributeStreamRef((com.epl.geometry.VertexDescription.Semantics.POSITION));
int pointCount = geom.GetPointCount();
System.Collections.Generic.List <com.epl.geometry.Proximity2DResult> v = new System.Collections.Generic.List <com.epl.geometry.Proximity2DResult>(maxVertexCountToReturn);
int count = 0;
double searchRadiusSq = searchRadius * searchRadius;
for (int i = 0; i < pointCount; i++)
{
double x = position.Read(2 * i);
double y = position.Read(2 * i + 1);
double xDiff = inputPoint.x - x;
double yDiff = inputPoint.y - y;
double distanceSq = xDiff * xDiff + yDiff * yDiff;
if (distanceSq <= searchRadiusSq)
{
com.epl.geometry.Proximity2DResult result = new com.epl.geometry.Proximity2DResult();
result._setParams(x, y, i, System.Math.Sqrt(distanceSq));
count++;
v.Add(result);
}
}
int vsize = v.Count;
v.Sort(new com.epl.geometry.Proximity2DResultComparator());
if (maxVertexCountToReturn >= vsize)
{
return(v.ToArray());
}
return(v.GetRange(0, maxVertexCountToReturn - 0).ToArray());
}
public static void CompareGeometryContent(com.epl.geometry.MultiVertexGeometry geom1, com.epl.geometry.MultiVertexGeometry geom2)
{
// Geometry types
NUnit.Framework.Assert.IsTrue(geom1.GetType().Value() == geom2.GetType().Value());
// Envelopes
com.epl.geometry.Envelope2D env1 = new com.epl.geometry.Envelope2D();
geom1.QueryEnvelope2D(env1);
com.epl.geometry.Envelope2D env2 = new com.epl.geometry.Envelope2D();
geom2.QueryEnvelope2D(env2);
NUnit.Framework.Assert.IsTrue(env1.xmin == env2.xmin && env1.xmax == env2.xmax && env1.ymin == env2.ymin && env1.ymax == env2.ymax);
int type = geom1.GetType().Value();
if (type == com.epl.geometry.Geometry.GeometryType.Polyline || type == com.epl.geometry.Geometry.GeometryType.Polygon)
{
// Part Count
int partCount1 = ((com.epl.geometry.MultiPath)geom1).GetPathCount();
int partCount2 = ((com.epl.geometry.MultiPath)geom2).GetPathCount();
NUnit.Framework.Assert.IsTrue(partCount1 == partCount2);
// Part indices
for (int i = 0; i < partCount1; i++)
{
int start1 = ((com.epl.geometry.MultiPath)geom1).GetPathStart(i);
int start2 = ((com.epl.geometry.MultiPath)geom2).GetPathStart(i);
NUnit.Framework.Assert.IsTrue(start1 == start2);
int end1 = ((com.epl.geometry.MultiPath)geom1).GetPathEnd(i);
int end2 = ((com.epl.geometry.MultiPath)geom2).GetPathEnd(i);
NUnit.Framework.Assert.IsTrue(end1 == end2);
}
}
// Point count
int pointCount1 = geom1.GetPointCount();
int pointCount2 = geom2.GetPointCount();
NUnit.Framework.Assert.IsTrue(pointCount1 == pointCount2);
if (type == com.epl.geometry.Geometry.GeometryType.MultiPoint || type == com.epl.geometry.Geometry.GeometryType.Polyline || type == com.epl.geometry.Geometry.GeometryType.Polygon)
{
// POSITION
com.epl.geometry.AttributeStreamBase positionStream1 = ((com.epl.geometry.MultiVertexGeometryImpl)geom1._getImpl()).GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION);
com.epl.geometry.AttributeStreamOfDbl position1 = (com.epl.geometry.AttributeStreamOfDbl)(positionStream1);
com.epl.geometry.AttributeStreamBase positionStream2 = ((com.epl.geometry.MultiVertexGeometryImpl)geom2._getImpl()).GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION);
com.epl.geometry.AttributeStreamOfDbl position2 = (com.epl.geometry.AttributeStreamOfDbl)(positionStream2);
for (int i = 0; i < pointCount1; i++)
{
double x1 = position1.Read(2 * i);
double x2 = position2.Read(2 * i);
NUnit.Framework.Assert.IsTrue(x1 == x2);
double y1 = position1.Read(2 * i + 1);
double y2 = position2.Read(2 * i + 1);
NUnit.Framework.Assert.IsTrue(y1 == y2);
}
// Zs
bool bHasZs1 = geom1.HasAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
bool bHasZs2 = geom2.HasAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
NUnit.Framework.Assert.IsTrue(bHasZs1 == bHasZs2);
if (bHasZs1)
{
com.epl.geometry.AttributeStreamBase zStream1 = ((com.epl.geometry.MultiVertexGeometryImpl)geom1._getImpl()).GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z);
com.epl.geometry.AttributeStreamOfDbl zs1 = (com.epl.geometry.AttributeStreamOfDbl)(zStream1);
com.epl.geometry.AttributeStreamBase zStream2 = ((com.epl.geometry.MultiVertexGeometryImpl)geom2._getImpl()).GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z);
com.epl.geometry.AttributeStreamOfDbl zs2 = (com.epl.geometry.AttributeStreamOfDbl)(zStream2);
for (int i_1 = 0; i_1 < pointCount1; i_1++)
{
double z1 = zs1.Read(i_1);
double z2 = zs2.Read(i_1);
NUnit.Framework.Assert.IsTrue(z1 == z2);
}
}
// Ms
bool bHasMs1 = geom1.HasAttribute(com.epl.geometry.VertexDescription.Semantics.M);
bool bHasMs2 = geom2.HasAttribute(com.epl.geometry.VertexDescription.Semantics.M);
NUnit.Framework.Assert.IsTrue(bHasMs1 == bHasMs2);
if (bHasMs1)
{
com.epl.geometry.AttributeStreamBase mStream1 = ((com.epl.geometry.MultiVertexGeometryImpl)geom1._getImpl()).GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M);
com.epl.geometry.AttributeStreamOfDbl ms1 = (com.epl.geometry.AttributeStreamOfDbl)(mStream1);
com.epl.geometry.AttributeStreamBase mStream2 = ((com.epl.geometry.MultiVertexGeometryImpl)geom2._getImpl()).GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M);
com.epl.geometry.AttributeStreamOfDbl ms2 = (com.epl.geometry.AttributeStreamOfDbl)(mStream2);
for (int i_1 = 0; i_1 < pointCount1; i_1++)
{
double m1 = ms1.Read(i_1);
double m2 = ms2.Read(i_1);
NUnit.Framework.Assert.IsTrue(m1 == m2);
}
}
// IDs
bool bHasIDs1 = geom1.HasAttribute(com.epl.geometry.VertexDescription.Semantics.ID);
bool bHasIDs2 = geom2.HasAttribute(com.epl.geometry.VertexDescription.Semantics.ID);
NUnit.Framework.Assert.IsTrue(bHasIDs1 == bHasIDs2);
if (bHasIDs1)
{
com.epl.geometry.AttributeStreamBase idStream1 = ((com.epl.geometry.MultiVertexGeometryImpl)geom1._getImpl()).GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.ID);
com.epl.geometry.AttributeStreamOfInt32 ids1 = (com.epl.geometry.AttributeStreamOfInt32)(idStream1);
com.epl.geometry.AttributeStreamBase idStream2 = ((com.epl.geometry.MultiVertexGeometryImpl)geom2._getImpl()).GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.ID);
com.epl.geometry.AttributeStreamOfInt32 ids2 = (com.epl.geometry.AttributeStreamOfInt32)(idStream2);
for (int i_1 = 0; i_1 < pointCount1; i_1++)
{
int id1 = ids1.Read(i_1);
int id2 = ids2.Read(i_1);
NUnit.Framework.Assert.IsTrue(id1 == id2);
}
}
}
}
