public static DCEL_Subdivision OverlayMany(IEnumerable <DCEL_Subdivision> subdivisions)
{
OA_Algorithm algorithm = new OA_Algorithm(subdivisions);
algorithm.phase = Phase.SplittingPhase;
algorithm.Initialize();
algorithm.Sweep();
algorithm.phase = Phase.MergingPhase;
algorithm.Initialize();
algorithm.Sweep();
algorithm.outputSubdivision.WriteToFile("outputSubdivision_post_merging.xml");
algorithm.phase = Phase.FacingPhase;
algorithm.CreateFaces();
algorithm.outputSubdivision.WriteToFile("outputSubdivision_final.xml");
algorithm.outputSubdivision.WriteToFile_Faces("outputSubdivision_final_faces.xml");
//The inputSubdivisions have been destroyed, so clear them.
foreach (DCEL_Subdivision inputSubdivision in algorithm.inputSubdivisions)
{
inputSubdivision.Clear();
}
return(algorithm.outputSubdivision);
}
/// <summary>
/// Merge subdivisionA and subdivisionB into a single subdivision, destroying subdivisionA and subdivisionB in the process.
/// </summary>
public static DCEL_Subdivision Overlay(DCEL_Subdivision subdivisionA, DCEL_Subdivision subdivisionB)
{
OA_Algorithm algorithm = new OA_Algorithm(new[] { subdivisionA, subdivisionB });
subdivisionA.WriteToFile("subdivisionA_pre_splitting.xml");
subdivisionB.WriteToFile("subdivisionB_pre_splitting.xml");
subdivisionA.WriteToFile_Faces("subdivisionA_pre_splitting_faces.xml");
subdivisionB.WriteToFile_Faces("subdivisionB_pre_splitting_faces.xml");
algorithm.phase = Phase.SplittingPhase;
algorithm.Initialize();
algorithm.Sweep();
subdivisionA.WriteToFile("subdivisionA_post_splitting.xml");
subdivisionB.WriteToFile("subdivisionB_post_splitting.xml");
subdivisionA.WriteToFile_Faces("subdivisionA_post_splitting_faces.xml");
subdivisionB.WriteToFile_Faces("subdivisionB_post_splitting_faces.xml");
algorithm.phase = Phase.MergingPhase;
algorithm.Initialize();
algorithm.Sweep();
algorithm.outputSubdivision.WriteToFile("outputSubdivision_post_merging.xml");
algorithm.phase = Phase.FacingPhase;
algorithm.CreateFaces();
algorithm.outputSubdivision.WriteToFile("outputSubdivision_final.xml");
algorithm.outputSubdivision.WriteToFile_Faces("outputSubdivision_final_faces.xml");
//The inputSubdivisions have been destroyed, so clear them.
foreach (DCEL_Subdivision inputSubdivision in algorithm.inputSubdivisions)
{
inputSubdivision.Clear();
}
return(algorithm.outputSubdivision);
}
public static DCEL_Subdivision MakeClosedPolygon(params VecRat2[] vertices)
{
return(OA_Algorithm.Overlay(
Enumerable.Range(0, vertices.Length)
.Select(i => new DCEL_Subdivision(vertices[i], vertices[(i + 1) % vertices.Length]))));
}