netgen/python/csg.py

from netgen.libngpy._csg import *
from netgen.libngpy._meshing import MeshingParameters
from netgen.libngpy._meshing import Pnt
from netgen.libngpy._meshing import Vec


try:
    import libngpy.csgvis as csgvis
    from libngpy.csgvis import MouseMove
    CSGeometry.VS = csgvis.VS
    SetBackGroundColor = csgvis.SetBackGroundColor
    del csgvis

    def VS (obj):
        return obj.VS()

except:
    pass


def csg_meshing_func (geom, **args):
    if "mp" in args:
        return GenerateMesh (geom, args["mp"])
    else:
        return GenerateMesh (geom, MeshingParameters (**args))
#     return GenerateMesh (geom, MeshingParameters (**args))

CSGeometry.GenerateMesh = csg_meshing_func


unit_cube = CSGeometry()
p1 = Plane(Pnt(0,0,0),Vec(-1,0,0)).bc("back")
p2 = Plane(Pnt(1,1,1),Vec(1,0,0)).bc("front")
p3 = Plane(Pnt(0,0,0),Vec(0,-1,0)).bc("left")
p4 = Plane(Pnt(1,1,1),Vec(0,1,0)).bc("right")
p5 = Plane(Pnt(0,0,0),Vec(0,0,-1)).bc("bottom")
p6 = Plane(Pnt(1,1,1),Vec(0,0,1)).bc("top")
unit_cube.Add (p1*p2*p3*p4*p5*p6, col=(0,0,1))
# unit_cube.Add (OrthoBrick(Pnt(0,0,0), Pnt(1,1,1)))