private static int PerformSimplification(float threshold, SIMPLIFY_METHOD method)
{
int size = 0;
if (threshold < 0.0f)
{
threshold = 0.0f;
}
if (threshold > 1.0f)
{
threshold = 1.0f;
}
switch (method)
{
case SIMPLIFY_METHOD.SQUARE_DIST:
size = CGAL_SquareDistCostSimplify(threshold);
break;
case SIMPLIFY_METHOD.SCALED_SQUARE_DIST:
size = CGAL_ScaledSquareDistCostSimplify(threshold);
break;
}
return(size);
}
public static Polygon2f Simplify(Polygon2f polygon, float threshold, SIMPLIFY_METHOD method = SIMPLIFY_METHOD.SQUARE_DIST)
{
if (!polygon.IsSimple)
{
throw new ArgumentException("Polygon must be simple.");
}
if (polygon.HasHoles)
{
throw new NotImplementedException("Polygon with holes not implemented.");
}
if (polygon.VerticesCount < 3)
{
Polygon2f simplified = new Polygon2f(polygon.Positions);
simplified.CalculatePolygon();
return(simplified);
}
else
{
CGAL_LoadPoints(polygon.Positions, polygon.Positions.Length);
int size = PerformSimplification(threshold, method);
Polygon2f simplified = new Polygon2f(size);
for (int i = 0; i < size; i++)
{
simplified.Positions[i] = CGAL_GetSimplifiedVector2f(i);
}
simplified.CalculatePolygon();
CGAL_Clear();
return(simplified);
}
}
