/// <summary>
/// Computes the set-theoretic union of two <c>Geometry</c>s, using enhanced precision.
/// </summary>
/// <param name="geom0">The first Geometry.</param>
/// <param name="geom1">The second Geometry.</param>
/// <returns>The Geometry representing the set-theoretic union of the input Geometries.</returns>
public static IGeometry Union(IGeometry geom0, IGeometry geom1)
{
ApplicationException originalEx = null;
try
{
IGeometry result = geom0.Union(geom1);
return(result);
}
catch (ApplicationException ex)
{
originalEx = ex;
}
/*
* If we are here, the original op encountered a precision problem
* (or some other problem). Retry the operation with
* enhanced precision to see if it succeeds
*/
try
{
CommonBitsOp cbo = new CommonBitsOp(true);
IGeometry resultEP = cbo.Union(geom0, geom1);
// check that result is a valid point after the reshift to orginal precision
if (!resultEP.IsValid)
{
throw originalEx;
}
return(resultEP);
}
catch (ApplicationException)
{
throw originalEx;
}
}
/// <summary>
/// Computes the set-theoretic union of two <c>Geometry</c>s, using enhanced precision.
/// </summary>
/// <param name="geom0">The first Geometry.</param>
/// <param name="geom1">The second Geometry.</param>
/// <returns>The Geometry representing the set-theoretic union of the input Geometries.</returns>
public static IGeometry Union(IGeometry geom0, IGeometry geom1)
{
ApplicationException originalEx = null;
try
{
IGeometry result = geom0.Union(geom1);
return result;
}
catch (ApplicationException ex)
{
originalEx = ex;
}
/*
* If we are here, the original op encountered a precision problem
* (or some other problem). Retry the operation with
* enhanced precision to see if it succeeds
*/
try
{
CommonBitsOp cbo = new CommonBitsOp(true);
IGeometry resultEP = cbo.Union(geom0, geom1);
// check that result is a valid point after the reshift to orginal precision
if (!resultEP.IsValid)
throw originalEx;
return resultEP;
}
catch (ApplicationException)
{
throw originalEx;
}
}