//--------------------------------------------------------------------------------------------------
protected TopoDS_Shape GetOperand2DFaces(int operandIndex, Pln?boundToPlane)
{
if (boundToPlane.HasValue)
{
GetOperand(operandIndex)?.BindToPlane(GetCoordinateSystem(), this, boundToPlane);
}
var sourceBrep = GetOperandBRep(operandIndex);
if (sourceBrep == null)
{
return(null);
}
// Check if we already have faces
var exp = new TopExp_Explorer(sourceBrep, TopAbs_ShapeEnum.TopAbs_FACE, TopAbs_ShapeEnum.TopAbs_SHAPE);
if (exp.More())
{
return(sourceBrep);
}
var baseFacesShape = TopoUtils.CreateFacesFromWires(sourceBrep, Pln.XOY);
if (boundToPlane != null && baseFacesShape != null)
{
var trsf = new Trsf(boundToPlane.Value.Rotation(), boundToPlane.Value.Location.ToVec());
baseFacesShape = baseFacesShape.Moved(new TopLoc_Location(trsf));
}
return(baseFacesShape);
}
//--------------------------------------------------------------------------------------------------
TopoDS_Shape _CreateProfile(TopoDS_Edge firstSpineEdge)
{
var firstSpineCurve = firstSpineEdge.Curve(out double firstParam, out double secondParam);
if (firstSpineCurve == null)
{
return(null);
}
Pnt location = default;
Vec edgeTangent = default;
firstSpineCurve.D1(firstParam, ref location, ref edgeTangent);
Pln plane = new Pln(location, edgeTangent.ToDir());
// Custom sketch
if (_Profile == ProfileType.Custom)
{
return(_CreateProfileFromSketch(plane));
}
// Presets
var edges = _CreateProfileEdges(plane, _SizeX * 0.5, _SizeY * 0.5);
if (_Debug_WriteoutProfile)
{
TopoDS_Builder builder = new();
TopoDS_Compound compound = new();
builder.MakeCompound(compound);
foreach (var edge in edges)
{
builder.Add(compound, edge);
}
File.WriteAllBytes(@"_Debug_PipeProfile.brep", BRepExchange.WriteASCII(compound, false));
}
BRepBuilderAPI_MakeWire wireMaker = new();
foreach (var edge in _CreateProfileEdges(plane, _SizeX * 0.5, _SizeY * 0.5))
{
wireMaker.Add(edge);
}
TopoDS_Shape result = wireMaker.Wire();
if (_Profile == ProfileType.HollowCircle ||
_Profile == ProfileType.HollowRectangle)
{
var innerSizeX = _SizeX * 0.5 - _Thickness;
var innerSizeY = _SizeY * 0.5 - _Thickness;
if (innerSizeX > 0 && (_Flags.HasFlag(PipeFlags.SymmetricProfile) || innerSizeY > 0))
{
TopoDS_Builder builder = new();
TopoDS_Compound compound = new();
builder.MakeCompound(compound);
builder.Add(compound, result);
wireMaker = new();
foreach (var edge in _CreateProfileEdges(plane, innerSizeX, innerSizeY))
{
wireMaker.Add(edge);
}
builder.Add(compound, wireMaker.Wire());
result = compound;
}
}
var face = TopoUtils.CreateFacesFromWires(result, plane);
return(face);
}
