/// <summary>
/// Creates an elevation model from two geometries (which may be null).
/// </summary>
/// <param name="geom1">An input geometry</param>
/// <param name="geom2">An input geometry</param>
/// <returns>The elevation model computed from the geometries</returns>
public static ElevationModel Create(Geometry geom1, Geometry geom2)
{
var extent = new Envelope();
if (geom1 != null)
{
extent.ExpandToInclude(geom1.EnvelopeInternal);
}
if (geom2 != null)
{
extent.ExpandToInclude(geom2.EnvelopeInternal);
}
if (extent.IsNull)
{
throw new ArgumentException("Arguments don't have an extent!");
}
var model = new ElevationModel(extent, DEFAULT_CELL_NUM, DEFAULT_CELL_NUM);
if (geom1 != null)
{
model.Add(geom1);
}
if (geom2 != null)
{
model.Add(geom2);
}
return(model);
}
public HasZFilter(ElevationModel em)
{
_em = em;
_hasZ = true;
}
public PopulateZFilter(ElevationModel em)
{
_em = em;
}