internal static int PolygonText(com.epl.geometry.AttributeStreamOfDbl zs, com.epl.geometry.AttributeStreamOfDbl ms, com.epl.geometry.AttributeStreamOfDbl position, com.epl.geometry.AttributeStreamOfInt32 paths, com.epl.geometry.AttributeStreamOfInt8 path_flags, int total_point_count
, com.epl.geometry.WktParser wkt_parser)
{
// At start of PolygonText
int current_token = wkt_parser.CurrentToken();
if (current_token == com.epl.geometry.WktParser.WktToken.empty)
{
return(total_point_count);
}
bool b_first_line_string = true;
current_token = wkt_parser.NextToken();
while (current_token != com.epl.geometry.WktParser.WktToken.right_paren)
{
// At start of LineStringText
int point_count = LineStringText(true, zs, ms, position, paths, path_flags, wkt_parser);
if (point_count != 0)
{
if (b_first_line_string)
{
b_first_line_string = false;
path_flags.SetBits(path_flags.Size() - 2, unchecked ((byte)com.epl.geometry.PathFlags.enumOGCStartPolygon));
}
path_flags.SetBits(path_flags.Size() - 2, unchecked ((byte)com.epl.geometry.PathFlags.enumClosed));
total_point_count += point_count;
}
current_token = wkt_parser.NextToken();
}
return(total_point_count);
}
public override bool Equals(com.epl.geometry.AttributeStreamBase other, int start, int end)
{
if (other == null)
{
return(false);
}
if (!(other is com.epl.geometry.AttributeStreamOfInt8))
{
return(false);
}
com.epl.geometry.AttributeStreamOfInt8 _other = (com.epl.geometry.AttributeStreamOfInt8)other;
int size = Size();
int sizeOther = _other.Size();
if (end > size || end > sizeOther && (size != sizeOther))
{
return(false);
}
if (end > size)
{
end = size;
}
for (int i = start; i < end; i++)
{
if (Read(i) != _other.Read(i))
{
return(false);
}
}
return(true);
}
public AttributeStreamOfInt8(com.epl.geometry.AttributeStreamOfInt8 other, int maxSize)
{
m_size = other.Size();
if (m_size > maxSize)
{
m_size = maxSize;
}
int sz = m_size;
if (sz < 2)
{
sz = 2;
}
m_buffer = new byte[sz];
System.Array.Copy(other.m_buffer, 0, m_buffer, 0, m_size);
}
public static void TestIntervalTree_RandomConstruction()
{
int pointcount = 0;
int passcount = 1000;
int figureSize = 50;
com.epl.geometry.Envelope env = new com.epl.geometry.Envelope();
env.SetCoords(-10000, -10000, 10000, 10000);
com.epl.geometry.RandomCoordinateGenerator generator = new com.epl.geometry.RandomCoordinateGenerator(System.Math.Max(figureSize, 10000), env, 0.001);
System.Random random = new System.Random(2013);
int rand_max = 98765;
System.Collections.Generic.List <com.epl.geometry.Envelope1D> intervals = new System.Collections.Generic.List <com.epl.geometry.Envelope1D>();
com.epl.geometry.AttributeStreamOfInt8 intervalsFound = new com.epl.geometry.AttributeStreamOfInt8(0);
for (int i = 0; i < passcount; i++)
{
int r = figureSize;
if (r < 3)
{
continue;
}
com.epl.geometry.Polygon poly = new com.epl.geometry.Polygon();
com.epl.geometry.Point pt;
for (int j = 0; j < r; j++)
{
int rand = random.Next(rand_max);
bool bRandomNew = (r > 10) && ((1.0 * rand) / rand_max > 0.95);
pt = generator.GetRandomCoord();
if (j == 0 || bRandomNew)
{
poly.StartPath(pt);
}
else
{
poly.LineTo(pt);
}
}
{
intervals.Clear();
com.epl.geometry.SegmentIterator seg_iter = poly.QuerySegmentIterator();
com.epl.geometry.Envelope1D interval;
com.epl.geometry.Envelope1D range = poly.QueryInterval(com.epl.geometry.VertexDescription.Semantics.POSITION, 0);
range.vmin -= 0.01;
range.vmax += 0.01;
while (seg_iter.NextPath())
{
while (seg_iter.HasNextSegment())
{
com.epl.geometry.Segment segment = seg_iter.NextSegment();
interval = segment.QueryInterval(com.epl.geometry.VertexDescription.Semantics.POSITION, 0);
intervals.Add(interval);
}
}
intervalsFound.Resize(intervals.Count, 0);
// Just test construction for assertions
com.epl.geometry.IntervalTreeImpl intervalTree = new com.epl.geometry.IntervalTreeImpl(true);
Construct(intervalTree, intervals);
for (int j_1 = 0; j_1 < intervals.Count; j_1++)
{
intervalTree.Insert(j_1);
}
com.epl.geometry.IntervalTreeImpl.IntervalTreeIteratorImpl iterator = intervalTree.GetIterator(range, 0.0);
int count = 0;
int handle;
while ((handle = iterator.Next()) != -1)
{
count++;
intervalsFound.Write(handle, unchecked ((byte)1));
}
NUnit.Framework.Assert.IsTrue(count == intervals.Count);
for (int j_2 = 0; j_2 < intervalsFound.Size(); j_2++)
{
interval = intervals[j_2];
NUnit.Framework.Assert.IsTrue(intervalsFound.Read(j_2) == 1);
}
for (int j_3 = 0; j_3 < intervals.Count >> 1; j_3++)
{
intervalTree.Remove(j_3);
}
iterator.ResetIterator(range, 0.0);
count = 0;
while ((handle = iterator.Next()) != -1)
{
count++;
intervalsFound.Write(handle, unchecked ((byte)1));
}
NUnit.Framework.Assert.IsTrue(count == intervals.Count - (intervals.Count >> 1));
for (int j_4 = (intervals.Count >> 1); j_4 < intervals.Count; j_4++)
{
intervalTree.Remove(j_4);
}
}
}
}
internal static com.epl.geometry.Geometry PolygonTaggedText(bool b_multi_polygon, int import_flags, com.epl.geometry.WktParser wkt_parser)
{
com.epl.geometry.MultiPath multi_path;
com.epl.geometry.MultiPathImpl multi_path_impl;
com.epl.geometry.AttributeStreamOfDbl zs = null;
com.epl.geometry.AttributeStreamOfDbl ms = null;
com.epl.geometry.AttributeStreamOfDbl position;
com.epl.geometry.AttributeStreamOfInt32 paths;
com.epl.geometry.AttributeStreamOfInt8 path_flags;
position = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0);
paths = (com.epl.geometry.AttributeStreamOfInt32)com.epl.geometry.AttributeStreamBase.CreateIndexStream(1, 0);
path_flags = (com.epl.geometry.AttributeStreamOfInt8)com.epl.geometry.AttributeStreamBase.CreateByteStream(1, unchecked ((byte)0));
multi_path = new com.epl.geometry.Polygon();
multi_path_impl = (com.epl.geometry.MultiPathImpl)multi_path._getImpl();
int current_token = wkt_parser.NextToken();
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_z)
{
zs = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
wkt_parser.NextToken();
}
else
{
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_m)
{
ms = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
wkt_parser.NextToken();
}
else
{
if (current_token == com.epl.geometry.WktParser.WktToken.attribute_zm)
{
zs = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
ms = (com.epl.geometry.AttributeStreamOfDbl)com.epl.geometry.AttributeStreamBase.CreateDoubleStream(0, com.epl.geometry.NumberUtils.TheNaN);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.Z);
multi_path_impl.AddAttribute(com.epl.geometry.VertexDescription.Semantics.M);
wkt_parser.NextToken();
}
}
}
int point_count;
if (b_multi_polygon)
{
point_count = MultiPolygonText(zs, ms, position, paths, path_flags, wkt_parser);
}
else
{
point_count = PolygonText(zs, ms, position, paths, path_flags, 0, wkt_parser);
}
if (point_count != 0)
{
System.Diagnostics.Debug.Assert((2 * point_count == position.Size()));
multi_path_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION, position);
multi_path_impl.SetPathStreamRef(paths);
multi_path_impl.SetPathFlagsStreamRef(path_flags);
if (zs != null)
{
multi_path_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.Z, zs);
}
if (ms != null)
{
multi_path_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.M, ms);
}
multi_path_impl.NotifyModified(com.epl.geometry.MultiVertexGeometryImpl.DirtyFlags.DirtyAll);
com.epl.geometry.AttributeStreamOfInt8 path_flags_clone = new com.epl.geometry.AttributeStreamOfInt8(path_flags);
for (int i = 0; i < path_flags_clone.Size() - 1; i++)
{
if (((int)path_flags_clone.Read(i) & (int)com.epl.geometry.PathFlags.enumOGCStartPolygon) != 0)
{
// Should
// be
// clockwise
if (!com.epl.geometry.InternalUtils.IsClockwiseRing(multi_path_impl, i))
{
multi_path_impl.ReversePath(i);
}
}
else
{
// make clockwise
// Should be counter-clockwise
if (com.epl.geometry.InternalUtils.IsClockwiseRing(multi_path_impl, i))
{
multi_path_impl.ReversePath(i);
}
}
}
// make
// counter-clockwise
multi_path_impl.SetPathFlagsStreamRef(path_flags_clone);
}
if ((import_flags & (int)com.epl.geometry.WktImportFlags.wktImportNonTrusted) == 0)
{
multi_path_impl.SetIsSimple(com.epl.geometry.MultiVertexGeometryImpl.GeometryXSimple.Weak, 0.0, false);
}
multi_path_impl.SetDirtyOGCFlags(false);
return(multi_path);
}
public override void WriteRange(int startElement, int count, com.epl.geometry.AttributeStreamBase _src, int srcStart, bool bForward, int stride)
{
if (startElement < 0 || count < 0 || srcStart < 0)
{
throw new System.ArgumentException();
}
if (!bForward && (stride <= 0 || (count % stride != 0)))
{
throw new System.ArgumentException();
}
com.epl.geometry.AttributeStreamOfInt8 src = (com.epl.geometry.AttributeStreamOfInt8)_src;
// the input
// type must
// match
if (src.Size() < (int)(srcStart + count))
{
throw new System.ArgumentException();
}
if (count == 0)
{
return;
}
if (Size() < count + startElement)
{
Resize(count + startElement);
}
if (_src == (com.epl.geometry.AttributeStreamBase) this)
{
_selfWriteRangeImpl(startElement, count, srcStart, bForward, stride);
return;
}
if (bForward)
{
int j = startElement;
int offset = srcStart;
for (int i = 0; i < count; i++)
{
m_buffer[j] = src.m_buffer[offset];
j++;
offset++;
}
}
else
{
int j = startElement;
int offset = srcStart + count - stride;
if (stride == 1)
{
for (int i = 0; i < count; i++)
{
m_buffer[j] = src.m_buffer[offset];
j++;
offset--;
}
}
else
{
for (int i = 0, n = count / stride; i < n; i++)
{
for (int k = 0; k < stride; k++)
{
m_buffer[j + k] = src.m_buffer[offset + k];
}
j += stride;
offset -= stride;
}
}
}
}