public MSTLSlice(List <MContourStructure> contours) : this() { NumberOfContours = contours.Count; MarkGeometryPoint lastPoint = null; foreach (var contourStructure in contours) { var(lines, minLineLength, perimeter) = GeometricArithmeticModule.GetLinesAndStatistics( contourStructure.ToPoints() ); ContourLines.AddRange( lines ); if (minLineLength < MinVectorLength) { MinVectorLength = minLineLength; } _totalContourMarkDistance += perimeter; NumberOfJoints += (lines.Count - 1); if (lines.Count > 0) { if (lastPoint != null) { // measure and track the jump distance between the last contour and this _totalContourJumpDistance += GeometricArithmeticModule.ABSMeasure(lastPoint, lines[0].StartPoint); } lastPoint = lines[0].StartPoint; } } _contourQuadTree = new ContourQuadTree(ContourLines); Extents = GeometricArithmeticModule.CalculateExtents(ContourLines); }
private static void TestQuadTree() { var _slicer = new MSTLSlicer(); _slicer.Load(@"C:\MSOLV\STLs\Ice Cream Type 2.stl"); //_slicer.Load(@"C:\MSOLV\STLs\tray.stl"); var slices = _slicer.Slice(); IEnumerable <MVertex> contour = slices[7][0].ToVertices().Concat(slices[5][0].ToVertices()); //IEnumerable<MVertex> contour = slices[5][1].ToVertices(); var reference = ToPath(contour); var intersectingLine = new MarkGeometryLine( reference.Extents.MinimumPoint, reference.Extents.MaximumPoint ); List <MarkGeometryPoint> controlResults = new List <MarkGeometryPoint>(); List <MarkGeometryPoint> quadTreeResults = new List <MarkGeometryPoint>(); var lines = ToLines(contour); var contourQuadTree = new ContourQuadTree(contour); Console.WriteLine( PerformanceHelper.Compare( () => { // setup up controlResults.Clear(); MarkGeometryPoint intersection; for (int i = 0; i < lines.Count; i++) { if (( intersection = GeometricArithmeticModule.CalculateIntersection2D( intersectingLine, lines[i] )) != null ) { controlResults.Add(intersection); } } }, () => { // setup up quadTreeResults.Clear(); quadTreeResults = contourQuadTree.Intersect(intersectingLine).ToList(); }, tagA: "Lines (Control)", tagB: "Quad Tree" ) ); Println("Control", controlResults); Println("Quad Tree Intersections", quadTreeResults); contourQuadTree.SaveImage(@"C:\Users\Chibuike.Okpaluba\Downloads\quad_tree_v2.png"); }