/// <exception cref="System.Exception"/>
private static com.epl.geometry.Geometry ImportFromJsonMultiPoint(com.epl.geometry.JsonReader parser, com.epl.geometry.AttributeStreamOfDbl @as, com.epl.geometry.AttributeStreamOfDbl bs)
{
if (parser.CurrentToken() != com.epl.geometry.JsonReader.Token.START_ARRAY)
{
throw new com.epl.geometry.GeometryException("failed to parse multipoint: array of vertices is expected");
}
int point_count = 0;
com.epl.geometry.MultiPoint multipoint;
multipoint = new com.epl.geometry.MultiPoint();
com.epl.geometry.AttributeStreamOfDbl position = (com.epl.geometry.AttributeStreamOfDbl)(com.epl.geometry.AttributeStreamBase.CreateDoubleStream(2, 0));
// At start of rings
int sz;
double[] buf = new double[4];
while (parser.NextToken() != com.epl.geometry.JsonReader.Token.END_ARRAY)
{
if (parser.CurrentToken() != com.epl.geometry.JsonReader.Token.START_ARRAY)
{
throw new com.epl.geometry.GeometryException("failed to parse multipoint: array is expected, multipoint vertices consist of arrays of cooridinates");
}
sz = 0;
while (parser.NextToken() != com.epl.geometry.JsonReader.Token.END_ARRAY)
{
buf[sz++] = ReadDouble(parser);
}
if (sz < 2)
{
throw new com.epl.geometry.GeometryException("failed to parse multipoint: each vertex array has to have at least 2 elements");
}
if (position.Size() == 2 * point_count)
{
int c = point_count * 3;
if (c % 2 != 0)
{
c++;
}
// have to be even
position.Resize(c);
}
position.Write(2 * point_count, buf[0]);
position.Write(2 * point_count + 1, buf[1]);
if (@as.Size() == point_count)
{
int c = (point_count * 3) / 2;
if (c < 4)
{
c = 4;
}
else
{
if (c < 16)
{
c = 16;
}
}
@as.Resize(c);
}
if (sz > 2)
{
@as.Write(point_count, buf[2]);
}
else
{
@as.Write(point_count, com.epl.geometry.NumberUtils.NaN());
}
if (bs.Size() == point_count)
{
int c = (point_count * 3) / 2;
if (c < 4)
{
c = 4;
}
else
{
if (c < 16)
{
c = 16;
}
}
bs.Resize(c);
}
if (sz > 3)
{
bs.Write(point_count, buf[3]);
}
else
{
bs.Write(point_count, com.epl.geometry.NumberUtils.NaN());
}
point_count++;
}
if (point_count != 0)
{
com.epl.geometry.MultiPointImpl mp_impl = (com.epl.geometry.MultiPointImpl)multipoint._getImpl();
mp_impl.Resize(point_count);
mp_impl.SetAttributeStreamRef(com.epl.geometry.VertexDescription.Semantics.POSITION, position);
}
return(multipoint);
}
/// <summary>Resizes the multipoint to have the given size.</summary>
/// <param name="pointCount">- The number of points in this multipoint.</param>
public virtual void Resize(int pointCount)
{
m_impl.Resize(pointCount);
}
