private bool IsStartOrEnd(LinearLocation lip, LineString candidate)
{
if (!lip.IsVertex)
{
return(false);
}
if (lip.SegmentIndex == 0)
{
return(true);
}
return(lip.IsEndpoint(candidate));
}
private LinearLocation ResolveHigher(LinearLocation loc)
{
if (!loc.IsEndpoint(_linearGeom))
return loc;
int compIndex = loc.ComponentIndex;
// if last component can't resolve any higher
if (compIndex >= _linearGeom.NumGeometries - 1) return loc;
do
{
compIndex++;
} while (compIndex < _linearGeom.NumGeometries - 1
&& _linearGeom.GetGeometryN(compIndex).Length == 0);
// resolve to next higher location
return new LinearLocation(compIndex, 0, 0.0);
}
