internal static double CompatibleTriangleQuality(GhostTriangle2D ghostTriangle, Polygon2D firstPolygon, Polygon2D secondPolygon)
{
double d1 = TriangleQuality(ghostTriangle.ToTriangle(firstPolygon));
double d2 = TriangleQuality(ghostTriangle.ToTriangle(secondPolygon));
return Math.Min(d1, d2);
}
static internal double CompatibleTriangleQuality(GhostTriangle2D ghostTriangle, Polygon2D firstPolygon, Polygon2D secondPolygon)
{
double d1 = TriangleQuality(ghostTriangle.ToTriangle(firstPolygon));
double d2 = TriangleQuality(ghostTriangle.ToTriangle(secondPolygon));
return(Math.Min(d1, d2));
}
private void Divide(GhostTriangle2D ghostTriangle)
{
Triangle2D triangle = ghostTriangle.ToTriangle(firstPolygon);
Point2D point = (triangle.A + triangle.B.ToVector() + triangle.C.ToVector()) / 3;
Polygon2DEditor polygonEditor = new Polygon2DEditor(firstPolygon);
polygonEditor.AddInnerPoint(point);
triangle = ghostTriangle.ToTriangle(secondPolygon);
point = (triangle.A + triangle.B.ToVector() + triangle.C.ToVector()) / 3;
polygonEditor = new Polygon2DEditor(secondPolygon);
polygonEditor.AddInnerPoint(point);
}
private GhostTriangle2D Split(Polygon2D first, Polygon2D second, GhostTriangle2D ghostTriangle)
{
Triangle2D triangle = ghostTriangle.ToTriangle(first);
LineSegment2D splitLine = Max(triangle.AB, triangle.BC, triangle.AC);
int a = first.GetPointIndex(splitLine.FirstPoint);
int b = first.GetPointIndex(splitLine.LastPoint);
Point2D p1 = splitLine.MidPoint;
splitLine = new LineSegment2D(second.GetPoint(a), second.GetPoint(b));
Point2D p2 = splitLine.MidPoint;
Polygon2DEditor polygonEditor = new Polygon2DEditor(first);
polygonEditor.AddInnerPoint(p1);
polygonEditor = new Polygon2DEditor(second);
polygonEditor.AddInnerPoint(p2);
return(new GhostTriangle2D(a, b, first.PointCount - 1));
}
private void Divide(GhostTriangle2D ghostTriangle)
{
Triangle2D triangle = ghostTriangle.ToTriangle(firstPolygon);
Point2D point = (triangle.A + triangle.B.ToVector() + triangle.C.ToVector()) / 3;
Polygon2DEditor polygonEditor = new Polygon2DEditor(firstPolygon);
polygonEditor.AddInnerPoint(point);
triangle = ghostTriangle.ToTriangle(secondPolygon);
point = (triangle.A + triangle.B.ToVector() + triangle.C.ToVector()) / 3;
polygonEditor = new Polygon2DEditor(secondPolygon);
polygonEditor.AddInnerPoint(point);
}
private GhostTriangle2D Split(Polygon2D first, Polygon2D second, GhostTriangle2D ghostTriangle)
{
Triangle2D triangle = ghostTriangle.ToTriangle(first);
LineSegment2D splitLine = Max(triangle.AB, triangle.BC, triangle.AC);
int a = first.GetPointIndex(splitLine.FirstPoint);
int b = first.GetPointIndex(splitLine.LastPoint);
Point2D p1 = splitLine.MidPoint;
splitLine = new LineSegment2D(second.GetPoint(a), second.GetPoint(b));
Point2D p2 = splitLine.MidPoint;
Polygon2DEditor polygonEditor = new Polygon2DEditor(first);
polygonEditor.AddInnerPoint(p1);
polygonEditor = new Polygon2DEditor(second);
polygonEditor.AddInnerPoint(p2);
return new GhostTriangle2D(a, b, first.PointCount - 1);
}
internal static double TriangleQuality(GhostTriangle2D ghostTriangle, Polygon2D polygon)
{
return TriangleQuality(ghostTriangle.ToTriangle(polygon));
}
internal static double ShapeQuality(GhostTriangle2D ghostTriangle, Polygon2D polygon)
{
Triangle2D triangle = ghostTriangle.ToTriangle(polygon);
return ShapeQuality(triangle);
}
static internal double AreaQuality(GhostTriangle2D ghostTriangle, Polygon2D polygon)
{
Triangle2D triangle = ghostTriangle.ToTriangle(polygon);
return(AreaQuality(triangle));
}
static internal double TriangleQuality(GhostTriangle2D ghostTriangle, Polygon2D polygon)
{
return(TriangleQuality(ghostTriangle.ToTriangle(polygon)));
}