// Mirrors wkt
private static void ExportPolygonToGeoJson_(int export_flags, com.epl.geometry.Polygon polygon, com.epl.geometry.JsonWriter json_writer)
{
com.epl.geometry.MultiPathImpl polygon_impl = (com.epl.geometry.MultiPathImpl)(polygon._getImpl());
if ((export_flags & com.epl.geometry.GeoJsonExportFlags.geoJsonExportFailIfNotSimple) != 0)
{
int simple = polygon_impl.GetIsSimple(0.0);
if (simple != com.epl.geometry.MultiVertexGeometryImpl.GeometryXSimple.Strong)
{
throw new com.epl.geometry.GeometryException("corrupted geometry");
}
}
int point_count = polygon.GetPointCount();
int polygon_count = polygon_impl.GetOGCPolygonCount();
if (point_count > 0 && polygon_count == 0)
{
throw new com.epl.geometry.GeometryException("corrupted geometry");
}
int precision = 17 - (31 & (export_flags >> 13));
bool bFixedPoint = (com.epl.geometry.GeoJsonExportFlags.geoJsonExportPrecisionFixedPoint & export_flags) != 0;
bool b_export_zs = polygon_impl.HasAttribute(com.epl.geometry.VertexDescription.Semantics.Z) && (export_flags & com.epl.geometry.GeoJsonExportFlags.geoJsonExportStripZs) == 0;
bool b_export_ms = polygon_impl.HasAttribute(com.epl.geometry.VertexDescription.Semantics.M) && (export_flags & com.epl.geometry.GeoJsonExportFlags.geoJsonExportStripMs) == 0;
if (!b_export_zs && b_export_ms)
{
throw new System.ArgumentException("invalid argument");
}
int path_count = 0;
com.epl.geometry.AttributeStreamOfDbl position = null;
com.epl.geometry.AttributeStreamOfDbl zs = null;
com.epl.geometry.AttributeStreamOfDbl ms = null;
com.epl.geometry.AttributeStreamOfInt8 path_flags = null;
com.epl.geometry.AttributeStreamOfInt32 paths = null;
if (point_count > 0)
{
position = (com.epl.geometry.AttributeStreamOfDbl)polygon_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION);
path_flags = polygon_impl.GetPathFlagsStreamRef();
paths = polygon_impl.GetPathStreamRef();
path_count = polygon_impl.GetPathCount();
if (b_export_zs)
{
if (polygon_impl._attributeStreamIsAllocated(com.epl.geometry.VertexDescription.Semantics.Z))
{
zs = (com.epl.geometry.AttributeStreamOfDbl)polygon_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z);
}
}
if (b_export_ms)
{
if (polygon_impl._attributeStreamIsAllocated(com.epl.geometry.VertexDescription.Semantics.M))
{
ms = (com.epl.geometry.AttributeStreamOfDbl)polygon_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M);
}
}
}
if ((export_flags & com.epl.geometry.GeoJsonExportFlags.geoJsonExportPreferMultiGeometry) == 0 && polygon_count <= 1)
{
PolygonTaggedText_(precision, bFixedPoint, b_export_zs, b_export_ms, zs, ms, position, paths, path_count, json_writer);
}
else
{
MultiPolygonTaggedText_(precision, bFixedPoint, b_export_zs, b_export_ms, zs, ms, position, path_flags, paths, polygon_count, path_count, json_writer);
}
}
internal static void ExportPolygonToWkt(int export_flags, com.epl.geometry.Polygon polygon, System.Text.StringBuilder @string)
{
com.epl.geometry.MultiPathImpl polygon_impl = (com.epl.geometry.MultiPathImpl)polygon._getImpl();
if ((export_flags & com.epl.geometry.WktExportFlags.wktExportFailIfNotSimple) != 0)
{
int simple = polygon_impl.GetIsSimple(0.0);
if (simple != com.epl.geometry.MultiVertexGeometryImpl.GeometryXSimple.Strong)
{
throw new com.epl.geometry.GeometryException("corrupted geometry");
}
}
int point_count = polygon.GetPointCount();
int polygon_count = polygon_impl.GetOGCPolygonCount();
if (point_count > 0 && polygon_count == 0)
{
throw new com.epl.geometry.GeometryException("corrupted geometry");
}
int precision = 17 - (7 & (export_flags >> 13));
bool b_export_zs = polygon_impl.HasAttribute(com.epl.geometry.VertexDescription.Semantics.Z) && (export_flags & com.epl.geometry.WktExportFlags.wktExportStripZs) == 0;
bool b_export_ms = polygon_impl.HasAttribute(com.epl.geometry.VertexDescription.Semantics.M) && (export_flags & com.epl.geometry.WktExportFlags.wktExportStripMs) == 0;
int path_count = 0;
com.epl.geometry.AttributeStreamOfDbl position = null;
com.epl.geometry.AttributeStreamOfDbl zs = null;
com.epl.geometry.AttributeStreamOfDbl ms = null;
com.epl.geometry.AttributeStreamOfInt8 path_flags = null;
com.epl.geometry.AttributeStreamOfInt32 paths = null;
if (point_count > 0)
{
position = (com.epl.geometry.AttributeStreamOfDbl)(polygon_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION));
path_flags = polygon_impl.GetPathFlagsStreamRef();
paths = polygon_impl.GetPathStreamRef();
path_count = polygon_impl.GetPathCount();
if (b_export_zs)
{
if (polygon_impl._attributeStreamIsAllocated(com.epl.geometry.VertexDescription.Semantics.Z))
{
zs = (com.epl.geometry.AttributeStreamOfDbl)polygon_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z);
}
}
if (b_export_ms)
{
if (polygon_impl._attributeStreamIsAllocated(com.epl.geometry.VertexDescription.Semantics.M))
{
ms = (com.epl.geometry.AttributeStreamOfDbl)polygon_impl.GetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M);
}
}
}
if ((export_flags & com.epl.geometry.WktExportFlags.wktExportPolygon) != 0)
{
if (polygon_count > 1)
{
throw new System.ArgumentException("Cannot export a Polygon with specified export flags: " + export_flags);
}
PolygonTaggedText_(precision, b_export_zs, b_export_ms, zs, ms, position, path_flags, paths, path_count, @string);
}
else
{
MultiPolygonTaggedText_(precision, b_export_zs, b_export_ms, zs, ms, position, path_flags, paths, polygon_count, path_count, @string);
}
}
internal PairwiseIntersectorImpl(com.epl.geometry.MultiPathImpl multi_path_impl_a, com.epl.geometry.MultiPathImpl multi_path_impl_b, double tolerance, bool b_paths)
{
m_multi_path_impl_a = multi_path_impl_a;
m_multi_path_impl_b = multi_path_impl_b;
m_b_paths = b_paths;
m_path_index = -1;
m_b_quad_tree = false;
com.epl.geometry.GeometryAccelerators geometry_accelerators_a = multi_path_impl_a._getAccelerators();
if (geometry_accelerators_a != null)
{
com.epl.geometry.QuadTreeImpl qtree_a = (!b_paths ? geometry_accelerators_a.GetQuadTree() : geometry_accelerators_a.GetQuadTreeForPaths());
if (qtree_a != null)
{
m_b_done = false;
m_tolerance = tolerance;
m_quad_tree = qtree_a;
m_qt_iter = m_quad_tree.GetIterator();
m_b_quad_tree = true;
m_b_swap_elements = true;
m_function = com.epl.geometry.PairwiseIntersectorImpl.State.nextPath;
if (!b_paths)
{
m_seg_iter = multi_path_impl_b.QuerySegmentIterator();
}
else
{
m_path_index = multi_path_impl_b.GetPathCount();
}
}
}
// we will iterate backwards until we hit -1
if (!m_b_quad_tree)
{
com.epl.geometry.GeometryAccelerators geometry_accelerators_b = multi_path_impl_b._getAccelerators();
if (geometry_accelerators_b != null)
{
com.epl.geometry.QuadTreeImpl qtree_b = (!b_paths ? geometry_accelerators_b.GetQuadTree() : geometry_accelerators_b.GetQuadTreeForPaths());
if (qtree_b != null)
{
m_b_done = false;
m_tolerance = tolerance;
m_quad_tree = qtree_b;
m_qt_iter = m_quad_tree.GetIterator();
m_b_quad_tree = true;
m_b_swap_elements = false;
m_function = com.epl.geometry.PairwiseIntersectorImpl.State.nextPath;
if (!b_paths)
{
m_seg_iter = multi_path_impl_a.QuerySegmentIterator();
}
else
{
m_path_index = multi_path_impl_a.GetPathCount();
}
}
}
}
// we will iterate backwards until we hit -1
if (!m_b_quad_tree)
{
if (!b_paths)
{
m_intersector = com.epl.geometry.InternalUtils.GetEnvelope2DIntersector(multi_path_impl_a, multi_path_impl_b, tolerance);
}
else
{
bool b_simple_a = multi_path_impl_a.GetIsSimple(0.0) >= 1;
bool b_simple_b = multi_path_impl_b.GetIsSimple(0.0) >= 1;
m_intersector = com.epl.geometry.InternalUtils.GetEnvelope2DIntersectorForParts(multi_path_impl_a, multi_path_impl_b, tolerance, b_simple_a, b_simple_b);
}
}
}