public virtual void GetFistChildInPolyTreeTest()
{
PolyTree tree = new PolyTree();
PolyNode firstChild = new PolyNode();
PolyNode secondChild = new PolyNode();
tree.AddChild(firstChild);
tree.AddChild(secondChild);
NUnit.Framework.Assert.AreSame(firstChild, tree.GetFirst());
}
public virtual void GetTotalSizeDifferentPolyNodeTest()
{
PolyTree tree = new PolyTree();
IList <PolyNode> allPolys = tree.m_AllPolys;
allPolys.Add(new PolyNode());
allPolys.Add(new PolyNode());
tree.AddChild(new PolyNode());
NUnit.Framework.Assert.AreEqual(1, tree.Total);
}
public virtual void ClearPolyTreeTest()
{
PolyTree tree = new PolyTree();
tree.AddChild(new PolyNode());
IList <PolyNode> allPolys = tree.m_AllPolys;
allPolys.Add(new PolyNode());
NUnit.Framework.Assert.IsFalse(allPolys.IsEmpty());
NUnit.Framework.Assert.AreEqual(1, tree.ChildCount);
tree.Clear();
NUnit.Framework.Assert.IsTrue(allPolys.IsEmpty());
NUnit.Framework.Assert.AreEqual(0, tree.ChildCount);
}
internal static List <SliceLine2D> ConvertPolyTreeWithOffsetToSliceLine2D(float sliceHeight, List <PolyTree> polytrees, float insideOffset, float outsideOffset)
{
//calc model points using polygon offset
var result = new List <SliceLine2D>();
if (sliceHeight != 10.65f)
{
return(result);
}
var decimalCorrectionFactor = 10000f;
var selectedPrinterProjectorVector = new Vector2(RenderEngine.PrintJob.SelectedPrinter.ProjectorResolutionX, RenderEngine.PrintJob.SelectedPrinter.ProjectorResolutionY);
var clipperOffset = new ClipperOffset();
var holes = new List <PolyNode>();
var outsides = new List <PolyNode>();
foreach (var polygon in polytrees)
{
foreach (var pointInPath in polygon._allPolys)
{
if (pointInPath.Contour.Count > 2)
{
clipperOffset.Clear();
clipperOffset = new ClipperOffset();
var results = new PolyTree();
clipperOffset.AddPath(pointInPath.Contour, JoinType.jtMiter, EndType.etClosedPolygon);
if (!pointInPath.IsHole)
{
//detax -2
//abs -1
clipperOffset.Execute(ref results, outsideOffset * decimalCorrectionFactor);
foreach (var offsetPolygon in results.Childs)
{
outsides.Add(offsetPolygon);
}
}
else
{
//detax 2
//abs 1
clipperOffset.Execute(ref results, insideOffset * decimalCorrectionFactor);
foreach (var offsetPolygon in results.Childs)
{
holes.Add(offsetPolygon);
}
}
}
}
//prevent line crossing first union the holes (removes holes intersections)
var unionHolesPolyTree = new PolyTree();
if (holes.Count > 1)
{
var clipper = new Clipper();
foreach (var hole in holes)
{
clipper.AddPath(hole.Contour, PolyType.ptSubject, true);
}
clipper.Execute(ClipType.ctUnion, unionHolesPolyTree, PolyFillType.pftNonZero, PolyFillType.pftNonZero);
}
else if (holes.Count == 1)
{
unionHolesPolyTree.AddChild(holes[0]);
}
//prevent line crossing second union the outsides (removes outside intersections)
var unionOutsidesPolyTree = new PolyTree();
if (outsides.Count > 1)
{
var clipper = new Clipper();
foreach (var outside in outsides)
{
clipper.AddPath(outside.Contour, PolyType.ptSubject, true);
}
clipper.Execute(ClipType.ctUnion, unionOutsidesPolyTree, PolyFillType.pftNonZero, PolyFillType.pftNonZero);
}
else if (outsides.Count == 1)
{
unionOutsidesPolyTree.AddChild(outsides[0]);
}
//subtract holes from outsides
var diffPolyTree = new PolyTree();
var diffPolyTreeClipper = new Clipper();
foreach (var unionPolyNode in unionOutsidesPolyTree.Childs)
{
diffPolyTreeClipper.AddPath(unionPolyNode.Contour, PolyType.ptSubject, true);
}
foreach (var unionPolyNode in unionHolesPolyTree.Childs)
{
diffPolyTreeClipper.AddPath(unionPolyNode.Contour, PolyType.ptClip, true);
}
diffPolyTreeClipper.Execute(ClipType.ctDifference, diffPolyTree, PolyFillType.pftNonZero);
// var triangle3D = new Triangle();
// foreach (var offsetPolygon in results.Childs)
// {
// //change order to CCW
// var directionIsCW = Clipper.Orientation(offsetPolygon.Contour);
// if (directionIsCW)
// {
// Clipper.ReversePaths(new List<List<IntPoint>>() { offsetPolygon.Contour });
// }
// //convert to 3d triangle and determine normal
// for (var contourIndex = 0; contourIndex < offsetPolygon.Contour.Count; contourIndex++)
// {
// triangle3D.Vectors[0].Position = new Vector3(offsetPolygon.Contour[contourIndex].X, offsetPolygon.Contour[contourIndex].Y, 0);
// if (contourIndex == offsetPolygon.Contour.Count - 1)
// {
// triangle3D.Vectors[1].Position = new Vector3(offsetPolygon.Contour[0].X, offsetPolygon.Contour[0].Y, 0);
// triangle3D.Vectors[2].Position = new Vector3(offsetPolygon.Contour[0].X, offsetPolygon.Contour[0].Y, 1);
// }
// else
// {
// triangle3D.Vectors[1].Position = new Vector3(offsetPolygon.Contour[contourIndex + 1].X, offsetPolygon.Contour[contourIndex + 1].Y, 0);
// triangle3D.Vectors[2].Position = new Vector3(offsetPolygon.Contour[contourIndex + 1].X, offsetPolygon.Contour[contourIndex + 1].Y, 1);
// }
// triangle3D.Vectors[0].Position /= decimalCorrectionFactor;
// triangle3D.Vectors[1].Position /= decimalCorrectionFactor;
// triangle3D.Vectors[2].Position /= decimalCorrectionFactor;
// triangle3D.CalcNormal();
// var triangleNormal = triangle3D.Normal;
// if (!pointInPath.IsHole)
// {
// triangleNormal = triangleNormal * -1;
// }
// var line = new SliceLine2D();
// line.Normal = triangleNormal;
// if (contourIndex == offsetPolygon.Contour.Count - 1)
// {
// line.p1 = new SlicePoint2D() { X = triangle3D.Vectors[0].Position.X, Y = triangle3D.Vectors[0].Position.Y};
// //line.p2 = new SlicePoint2D() { X = offsetPolygon.Contour[0].X / decimalCorrectionFactor, Y = offsetPolygon.Contour[0].Y / decimalCorrectionFactor };
// //
// line.p2 = new SlicePoint2D() { X = triangle3D.Vectors[1].Position.X, Y = triangle3D.Vectors[1].Position.Y };
// }
// else
// {
// line.p1 = new SlicePoint2D() { X = triangle3D.Vectors[0].Position.X, Y = triangle3D.Vectors[0].Position.Y};
// line.p2 = new SlicePoint2D() { X = triangle3D.Vectors[1].Position.X, Y = triangle3D.Vectors[1].Position.Y};
// }
// result.Add(line);
// }
// }
// }
// }
}
return(result);
}
