// Checked vs. Jan 11, 2011
/// <param name="bExact">
/// True, when the exact envelope need to be calculated and false
/// for the loose one.
/// </param>
protected internal virtual void _updateAllDirtyIntervals(bool bExact)
{
_verifyAllStreams();
if (_hasDirtyFlag(com.epl.geometry.MultiVertexGeometryImpl.DirtyFlags.DirtyIntervals))
{
if (null == m_envelope)
{
m_envelope = new com.epl.geometry.Envelope(m_description);
}
else
{
m_envelope.AssignVertexDescription(m_description);
}
if (IsEmpty())
{
m_envelope.SetEmpty();
return;
}
_updateXYImpl(bExact);
// efficient method for xy's
// now go through other attribues.
for (int attributeIndex = 1; attributeIndex < m_description.GetAttributeCount(); attributeIndex++)
{
int semantics = m_description._getSemanticsImpl(attributeIndex);
int ncomps = com.epl.geometry.VertexDescription.GetComponentCount(semantics);
com.epl.geometry.AttributeStreamBase stream = m_vertexAttributes[attributeIndex];
for (int iord = 0; iord < ncomps; iord++)
{
com.epl.geometry.Envelope1D interval = new com.epl.geometry.Envelope1D();
interval.SetEmpty();
for (int i = 0; i < m_pointCount; i++)
{
double value = stream.ReadAsDbl(i * ncomps + iord);
// some
// optimization
// is
// possible
// if
// non-virtual
// method
// is
// used
interval.Merge(value);
}
m_envelope.SetInterval(semantics, iord, interval);
}
}
if (bExact)
{
_setDirtyFlag(com.epl.geometry.MultiVertexGeometryImpl.DirtyFlags.DirtyIntervals, false);
}
}
}
public override void QueryEnvelope(com.epl.geometry.Envelope env)
{
env.SetEmpty();
if (m_description != env.m_description)
{
env.AssignVertexDescription(m_description);
}
env.Merge(this);
}
public override void QueryEnvelope(com.epl.geometry.Envelope env)
{
env.SetEmpty();
env.AssignVertexDescription(m_description);
com.epl.geometry.Envelope2D env2D = new com.epl.geometry.Envelope2D();
QueryEnvelope2D(env2D);
env.SetEnvelope2D(env2D);
for (int i = 1, n = m_description.GetAttributeCount(); i < n; i++)
{
int semantics = m_description.GetSemantics(i);
for (int iord = 0, nord = com.epl.geometry.VertexDescription.GetComponentCount(semantics); i < nord; i++)
{
com.epl.geometry.Envelope1D interval = QueryInterval(semantics, iord);
env.SetInterval(semantics, iord, interval);
}
}
}
public static void TestPointTypes()
{
com.epl.geometry.OperatorFactoryLocal engine = com.epl.geometry.OperatorFactoryLocal.GetInstance();
com.epl.geometry.OperatorDifference difference = (com.epl.geometry.OperatorDifference)engine.GetOperator(com.epl.geometry.Operator.Type.Difference);
com.epl.geometry.OperatorSymmetricDifference sym_difference = (com.epl.geometry.OperatorSymmetricDifference)engine.GetOperator(com.epl.geometry.Operator.Type.SymmetricDifference);
{
// point/point
com.epl.geometry.Point point_1 = new com.epl.geometry.Point();
com.epl.geometry.Point point_2 = new com.epl.geometry.Point();
point_1.SetXY(0, 0);
point_2.SetXY(0.000000009, 0.000000009);
com.epl.geometry.Point differenced = (com.epl.geometry.Point)(difference.Execute(point_1, point_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced.IsEmpty());
com.epl.geometry.MultiPoint sym_differenced = (com.epl.geometry.MultiPoint)(sym_difference.Execute(point_1, point_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(sym_differenced.IsEmpty());
}
{
// point/point
com.epl.geometry.Point point_1 = new com.epl.geometry.Point();
com.epl.geometry.Point point_2 = new com.epl.geometry.Point();
point_1.SetXY(0, 0);
point_2.SetXY(0.000000009, 0.0);
com.epl.geometry.Point differenced = (com.epl.geometry.Point)(difference.Execute(point_1, point_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced.IsEmpty());
com.epl.geometry.MultiPoint sym_differenced = (com.epl.geometry.MultiPoint)(sym_difference.Execute(point_1, point_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(sym_differenced.IsEmpty());
}
{
// point/point
com.epl.geometry.Point point_1 = new com.epl.geometry.Point();
com.epl.geometry.Point point_2 = new com.epl.geometry.Point();
point_1.SetXY(0, 0);
point_2.SetXY(0.00000002, 0.00000002);
com.epl.geometry.Point differenced_1 = (com.epl.geometry.Point)(difference.Execute(point_1, point_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
com.epl.geometry.Point differenced_2 = (com.epl.geometry.Point)(difference.Execute(point_2, point_1, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_2.IsEmpty());
com.epl.geometry.MultiPoint sym_differenced = (com.epl.geometry.MultiPoint)(sym_difference.Execute(point_1, point_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!sym_differenced.IsEmpty());
NUnit.Framework.Assert.IsTrue(sym_differenced.GetXY(0).x == 0 && sym_differenced.GetXY(0).y == 0);
NUnit.Framework.Assert.IsTrue(sym_differenced.GetXY(1).x == 0.00000002 && sym_differenced.GetXY(1).y == 0.00000002);
}
{
// multi_point/point
com.epl.geometry.MultiPoint multi_point_1 = new com.epl.geometry.MultiPoint();
com.epl.geometry.Point point_2 = new com.epl.geometry.Point();
multi_point_1.Add(0, 0);
multi_point_1.Add(1, 1);
point_2.SetXY(0.000000009, 0.000000009);
com.epl.geometry.MultiPoint differenced_1 = (com.epl.geometry.MultiPoint)(difference.Execute(multi_point_1, point_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1.GetPointCount() == 1);
NUnit.Framework.Assert.IsTrue(differenced_1.GetXY(0).x == 1 && differenced_1.GetXY(0).y == 1);
com.epl.geometry.Point differenced_2 = (com.epl.geometry.Point)(difference.Execute(point_2, multi_point_1, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_2.IsEmpty());
}
{
// multi_point/point
com.epl.geometry.MultiPoint multi_point_1 = new com.epl.geometry.MultiPoint();
com.epl.geometry.Point point_2 = new com.epl.geometry.Point();
multi_point_1.Add(0, 0);
multi_point_1.Add(1, 1);
point_2.SetXY(0.000000009, 0.0);
com.epl.geometry.MultiPoint differenced_1 = (com.epl.geometry.MultiPoint)(difference.Execute(multi_point_1, point_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1.GetXY(0).x == 1.0 && differenced_1.GetXY(0).y == 1.0);
com.epl.geometry.Point differenced_2 = (com.epl.geometry.Point)(difference.Execute(point_2, multi_point_1, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_2.IsEmpty());
com.epl.geometry.MultiPoint sym_differenced = (com.epl.geometry.MultiPoint)(sym_difference.Execute(multi_point_1, point_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!sym_differenced.IsEmpty());
NUnit.Framework.Assert.IsTrue(sym_differenced.GetPointCount() == 1);
NUnit.Framework.Assert.IsTrue(sym_differenced.GetXY(0).x == 1 && sym_differenced.GetXY(0).y == 1);
}
{
// multi_point/point
com.epl.geometry.MultiPoint multi_point_1 = new com.epl.geometry.MultiPoint();
com.epl.geometry.Point point_2 = new com.epl.geometry.Point();
multi_point_1.Add(0, 0);
multi_point_1.Add(0, 0);
point_2.SetXY(0.000000009, 0.0);
com.epl.geometry.MultiPoint differenced_1 = (com.epl.geometry.MultiPoint)(difference.Execute(multi_point_1, point_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
com.epl.geometry.MultiPoint sym_differenced = (com.epl.geometry.MultiPoint)(sym_difference.Execute(multi_point_1, point_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(sym_differenced.IsEmpty());
}
{
// multi_point/polygon
com.epl.geometry.MultiPoint multi_point_1 = new com.epl.geometry.MultiPoint();
com.epl.geometry.Polygon polygon_2 = new com.epl.geometry.Polygon();
multi_point_1.Add(0, 0);
multi_point_1.Add(0, 0);
multi_point_1.Add(2, 2);
polygon_2.StartPath(-1, -1);
polygon_2.LineTo(-1, 1);
polygon_2.LineTo(1, 1);
polygon_2.LineTo(1, -1);
com.epl.geometry.MultiPoint differenced_1 = (com.epl.geometry.MultiPoint)(difference.Execute(multi_point_1, polygon_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1.GetPointCount() == 1);
NUnit.Framework.Assert.IsTrue(differenced_1.GetXY(0).x == 2 && differenced_1.GetXY(0).y == 2);
}
{
// multi_point/polygon
com.epl.geometry.MultiPoint multi_point_1 = new com.epl.geometry.MultiPoint();
com.epl.geometry.Polygon polygon_2 = new com.epl.geometry.Polygon();
multi_point_1.Add(0, 0);
multi_point_1.Add(0, 0);
multi_point_1.Add(1, 1);
polygon_2.StartPath(-1, -1);
polygon_2.LineTo(-1, 1);
polygon_2.LineTo(1, 1);
polygon_2.LineTo(1, -1);
com.epl.geometry.MultiPoint differenced_1 = (com.epl.geometry.MultiPoint)(difference.Execute(multi_point_1, polygon_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
}
{
// multi_point/envelope
com.epl.geometry.MultiPoint multi_point_1 = new com.epl.geometry.MultiPoint();
com.epl.geometry.Envelope envelope_2 = new com.epl.geometry.Envelope();
multi_point_1.Add(-2, 0);
multi_point_1.Add(0, 2);
multi_point_1.Add(2, 0);
multi_point_1.Add(0, -2);
envelope_2.SetCoords(-1, -1, 1, 1);
com.epl.geometry.MultiPoint differenced_1 = (com.epl.geometry.MultiPoint)(difference.Execute(multi_point_1, envelope_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty() && differenced_1 == multi_point_1);
}
{
// multi_point/polygon
com.epl.geometry.MultiPoint multi_point_1 = new com.epl.geometry.MultiPoint();
com.epl.geometry.Polygon polygon_2 = new com.epl.geometry.Polygon();
multi_point_1.Add(2, 2);
multi_point_1.Add(2, 2);
multi_point_1.Add(-2, -2);
polygon_2.StartPath(-1, -1);
polygon_2.LineTo(-1, 1);
polygon_2.LineTo(1, 1);
polygon_2.LineTo(1, -1);
com.epl.geometry.MultiPoint differenced_1 = (com.epl.geometry.MultiPoint)(difference.Execute(multi_point_1, polygon_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty() && differenced_1 == multi_point_1);
}
{
// point/polygon
com.epl.geometry.Point point_1 = new com.epl.geometry.Point();
com.epl.geometry.Polygon polygon_2 = new com.epl.geometry.Polygon();
point_1.SetXY(0, 0);
polygon_2.StartPath(-1, -1);
polygon_2.LineTo(-1, 1);
polygon_2.LineTo(1, 1);
polygon_2.LineTo(1, -1);
com.epl.geometry.Point differenced_1 = (com.epl.geometry.Point)(difference.Execute(point_1, polygon_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
polygon_2.SetEmpty();
polygon_2.StartPath(1, 1);
polygon_2.LineTo(1, 2);
polygon_2.LineTo(2, 2);
polygon_2.LineTo(2, 1);
differenced_1 = (com.epl.geometry.Point)(difference.Execute(point_1, polygon_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1 == point_1);
}
{
// point/polygon
com.epl.geometry.Point point_1 = new com.epl.geometry.Point();
com.epl.geometry.Polygon polygon_2 = new com.epl.geometry.Polygon();
point_1.SetXY(0, 0);
polygon_2.StartPath(1, 0);
polygon_2.LineTo(0, 1);
polygon_2.LineTo(1, 1);
com.epl.geometry.Point differenced_1 = (com.epl.geometry.Point)(difference.Execute(point_1, polygon_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1 == point_1);
point_1.SetEmpty();
point_1.SetXY(0.5, 0.5);
polygon_2.SetEmpty();
polygon_2.StartPath(1, 0);
polygon_2.LineTo(0, 1);
polygon_2.LineTo(1, 1);
differenced_1 = (com.epl.geometry.Point)(difference.Execute(point_1, polygon_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
}
{
// point/envelope
com.epl.geometry.Point point_1 = new com.epl.geometry.Point();
com.epl.geometry.Envelope envelope_2 = new com.epl.geometry.Envelope();
point_1.SetXY(0, 0);
envelope_2.SetCoords(-1, -1, 1, 1);
com.epl.geometry.Point differenced_1 = (com.epl.geometry.Point)(difference.Execute(point_1, envelope_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
envelope_2.SetEmpty();
envelope_2.SetCoords(1, 1, 2, 2);
differenced_1 = (com.epl.geometry.Point)(difference.Execute(point_1, envelope_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1 == point_1);
}
{
// point/polyline
com.epl.geometry.Point point_1 = new com.epl.geometry.Point();
com.epl.geometry.Polyline polyline_2 = new com.epl.geometry.Polyline();
point_1.SetXY(0, 0);
polyline_2.StartPath(-1, 0);
polyline_2.LineTo(1, 0);
com.epl.geometry.Point differenced_1 = (com.epl.geometry.Point)(difference.Execute(point_1, polyline_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(differenced_1.IsEmpty());
polyline_2.SetEmpty();
polyline_2.StartPath(1, 0);
polyline_2.LineTo(2, 0);
differenced_1 = (com.epl.geometry.Point)(difference.Execute(point_1, polyline_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1 == point_1);
polyline_2.SetEmpty();
polyline_2.StartPath(-1, -1);
polyline_2.LineTo(-1, 1);
polyline_2.LineTo(1, 1);
polyline_2.LineTo(1, -1);
differenced_1 = (com.epl.geometry.Point)(difference.Execute(point_1, polyline_2, com.epl.geometry.SpatialReference.Create(4326), null));
NUnit.Framework.Assert.IsTrue(!differenced_1.IsEmpty());
NUnit.Framework.Assert.IsTrue(differenced_1 == point_1);
}
}
