/// <summary>
/// Makes a list with the coliding candidates, generates a hidden fused face from them
/// then generates visible face nodes pointing to the fused shapes
/// </summary>
public static List <Node> UpdateFaces(Document _document, List <Node> _candidates)
{
_generated.Clear();
var colidingShapes = new List <Node>();
DetectColidingCandidates(_candidates, colidingShapes);
CreateFusedShape(colidingShapes, _document);
int faceNumber;
var faceExplorer = new TopExpExplorer();
// Build SubShapes with the Faces resulted after intersecting the candidates
if (_nodeFused != null)
{
var bigFace = _nodeFused.Get <TopoDsShapeInterpreter>().Shape;
faceNumber = 1;
faceExplorer.Init(bigFace, TopAbsShapeEnum.TopAbs_FACE, TopAbsShapeEnum.TopAbs_SHAPE);
while (faceExplorer.More)
{
var _faceNode = BuildSubShape(_document, _nodeFused, TopAbsShapeEnum.TopAbs_FACE, faceNumber, true);
_generated.Add(_faceNode);
faceNumber++;
faceExplorer.Next();
}
}
var nonAdjacent = _candidates.Except(colidingShapes);
foreach (var independent in nonAdjacent)
{
faceNumber = 1;
var shape = independent.Get <TopoDsShapeInterpreter>().Shape;
faceExplorer = new TopExpExplorer();
faceExplorer.Init(shape, TopAbsShapeEnum.TopAbs_FACE, TopAbsShapeEnum.TopAbs_SHAPE);
while (faceExplorer.More)
{
var _faceNode = BuildSubShape(_document, independent, TopAbsShapeEnum.TopAbs_FACE, faceNumber, true);
_generated.Add(_faceNode);
faceNumber++;
faceExplorer.Next();
}
}
if (_nodeFused != null)
{
_document.Root.Remove(_nodeFused.Index);
}
return(_generated);
}
private static TopoDSShape MakePipe(TopoDSShape path, TopoDSShape profile)
{
try
{
var baseEx = new TopExpExplorer();
baseEx.Init(path, TopAbsShapeEnum.TopAbs_WIRE, TopAbsShapeEnum.TopAbs_SHAPE);
var spline = TopoDS.Wire(baseEx.Current);
return(new BRepOffsetAPIMakePipe(spline, profile).Shape);
}
catch (Exception ex)
{
Log.Error("Error on making pipe: " + ex.Message);
return(null);
}
}
public static TopoDSShape ExtractSubShape(
TopoDSShape originalShape,
int facePosition,
TopAbsShapeEnum shapeType)
{
if (originalShape == null)
{
return(null);
}
// Find the face
var baseEx = new TopExpExplorer();
baseEx.Init(originalShape, shapeType, TopAbsShapeEnum.TopAbs_SHAPE);
while (baseEx.More && (facePosition != 1))
{
baseEx.Next();
facePosition--;
}
//if (!baseEx.More())
// return null;
TopoDSShape shape = null;
switch (shapeType)
{
case TopAbsShapeEnum.TopAbs_VERTEX:
shape = TopoDS.Vertex(baseEx.Current);
break;
case TopAbsShapeEnum.TopAbs_EDGE:
shape = TopoDS.Edge(baseEx.Current);
break;
case TopAbsShapeEnum.TopAbs_WIRE:
shape = TopoDS.Wire(baseEx.Current);
break;
case TopAbsShapeEnum.TopAbs_FACE:
shape = TopoDS.Face(baseEx.Current);
break;
case TopAbsShapeEnum.TopAbs_SOLID:
case TopAbsShapeEnum.TopAbs_COMPOUND:
return(originalShape);
}
return(shape);
}
