コード例 #1
0
def svmesh_to_solid(verts,
                    faces,
                    precision=1e-6,
                    remove_splitter=True,
                    method=FCMESH):
    """
    input:
        verts: list of 3element iterables, [vector, vector...]
        faces: list of lists of face indices
        precision: a conversion factor defined in makeShapeFromMesh (FreeCAD)
        remove_splitter: default True, removes duplicate geometry (edges)
    output:
        a FreeCAD solid

    """
    if method == FCMESH:
        tri_faces = ensure_triangles(verts, faces, True)
        faces_t = [[verts[c] for c in f] for f in tri_faces]
        mesh = Mesh.Mesh(faces_t)
        shape = Part.Shape()
        shape.makeShapeFromMesh(mesh.Topology, precision)

        if remove_splitter:
            # may slow it down, or be totally necessary
            shape = shape.removeSplitter()

        return Part.makeSolid(shape)
    elif method == BMESH:
        fc_faces = []
        for face in faces:
            face_i = list(face) + [face[0]]
            face_verts = [Base.Vector(verts[i]) for i in face_i]
            wire = Part.makePolygon(face_verts)
            wire.fixTolerance(precision)
            try:
                fc_face = Part.Face(wire)
                #fc_face = Part.makeFilledFace(wire.Edges)
            except Exception as e:
                print(f"Face idxs: {face_i}, verts: {face_verts}")
                raise Exception("Maybe face is not planar?") from e
            fc_faces.append(fc_face)
        shell = Part.makeShell(fc_faces)
        solid = Part.makeSolid(shell)
        if remove_splitter:
            solid = solid.removeSplitter()
        return solid
    else:
        raise Exception("Unsupported method")
コード例 #2
0
ファイル: solid.py プロジェクト: ppaawweeuu/sverchok
def svmesh_to_solid(verts, faces, precision, remove_splitter=True):
    """
    input:
        verts: list of 3element iterables, [vector, vector...]
        faces: list of lists of face indices
        precision: a conversion factor defined in makeShapeFromMesh (FreeCAD)
        remove_splitter: default True, removes duplicate geometry (edges)
    output:
        a FreeCAD solid

    """
    tri_faces = ensure_triangles(verts, faces, True)
    faces_t = [[verts[c] for c in f] for f in tri_faces]
    mesh = Mesh.Mesh(faces_t)
    shape = Part.Shape()
    shape.makeShapeFromMesh(mesh.Topology, precision)

    if remove_splitter:
        # may slow it down, or be totally necessary
        shape = shape.removeSplitter()

    return Part.makeSolid(shape)