public static TriangleMesh Process(TopoDSShape shapeFused)
{
var result = new TriangleMesh();
var builder = new BRepBuilder();
var comp = new TopoDSCompound();
builder.MakeCompound(comp);
BRepMesh.Mesh(shapeFused, 1);
var ex = new TopExpExplorer(shapeFused,
TopAbsShapeEnum.TopAbs_FACE,
TopAbsShapeEnum.TopAbs_SHAPE);
while (ex.More)
{
var shapeResult = new TriangleMesh();
var face = TopoDS.Face(ex.Current);
var location = new TopLocLocation();
var facing = BRepTool.Triangulation(face, location);
var tab = new TColgpArray1OfPnt(1, facing.NbNodes);
// facing.Nodes(tab);
var tri = new PolyArray1OfTriangle(1, facing.NbTriangles);
// facing.Triangles(tri);
var triCount = facing.NbTriangles;
var listPoints = new List <Point3D>();
for (var i = 1; i <= triCount; i++)
{
var trian = tri.Value(i);
int index1 = 0, index2 = 0, index3 = 0;
trian.Get(ref index1, ref index2, ref index3);
var firstPoint = new Point3D(tab.Value(index1));
var secondPoint = new Point3D(tab.Value(index2));
var thirdPoint = new Point3D(tab.Value(index3));
listPoints.Add(firstPoint);
listPoints.Add(secondPoint);
listPoints.Add(thirdPoint);
}
shapeResult.Points.Clear();
foreach (var point in listPoints)
{
shapeResult.Points.Add(point);
}
shapeResult.Points = GeomUtils.SortAndCompactListPoints(shapeResult.Points);
var triangleIndex = 0;
var triangleArray = new int[3];
foreach (var point in listPoints)
{
triangleArray[triangleIndex] = shapeResult.ComputePointId(point);
triangleIndex = (triangleIndex + 1) % 3;
if (triangleIndex == 0)
{
shapeResult.AddTriangle(triangleArray);
}
}
ex.Next();
result = result.Combine(shapeResult);
}
return(result);
}
public static TopoDSWire BuildSplineWire(ICollection <Point3D> pointList)
{
var array = new TColgpArray1OfPnt(1, pointList.Count); // sizing array
var index = 1;
foreach (var point3D in pointList)
{
array.SetValue(index, point3D.GpPnt);
index++;
}
var curve = new GeomBezierCurve(array);
var edge = new BRepBuilderAPIMakeEdge(curve).Edge;
return(new BRepBuilderAPIMakeWire(edge).Wire);
}
public GeomBezierCurve(TColgpArray1OfPnt CurvePoles)
:
base(Geom_BezierCurve_CtorFABD0F95(CurvePoles.Instance))
{
}
public void Poles(TColgpArray1OfPnt P)
{
Geom_BezierCurve_PolesFABD0F95(Instance, P.Instance);
}
public void ExtremityPoints(TColgpArray1OfPnt TheExtrem)
{
AIS_Trihedron_ExtremityPointsFABD0F95(Instance, TheExtrem.Instance);
}
public PolyTriangulation(TColgpArray1OfPnt Nodes, PolyArray1OfTriangle Triangles)
:
base(Poly_Triangulation_Ctor9EE6697D(Nodes.Instance, Triangles.Instance))
{
}
