def render_3dfaces(
self,
layout: "GenericLayoutType",
dxfattribs=None,
matrix: "Matrix44" = None,
ucs: "UCS" = None,
):
"""Render mesh as :class:`~ezdxf.entities.Face3d` entities into
`layout`.
Args:
layout: :class:`~ezdxf.layouts.BaseLayout` object
dxfattribs: dict of DXF attributes e.g. ``{'layer': 'mesh', 'color': 7}``
matrix: transformation matrix of type :class:`~ezdxf.math.Matrix44`
ucs: transform vertices by :class:`~ezdxf.math.UCS` to :ref:`WCS`
"""
dxfattribs = dict(dxfattribs) if dxfattribs else {}
t = MeshTransformer.from_builder(self)
if matrix is not None:
t.transform(matrix)
if ucs is not None:
t.transform(ucs.matrix)
for face in subdivide_ngons(t.faces_as_vertices()):
layout.add_3dface(face, dxfattribs=dxfattribs)
def render_polyface(self,
layout: 'GenericLayoutType',
dxfattribs: dict = None,
matrix: 'Matrix44' = None,
ucs: 'UCS' = None):
""" Render mesh as :class:`~ezdxf.entities.Polyface` entity into
`layout`.
Args:
layout: :class:`~ezdxf.layouts.BaseLayout` object
dxfattribs: dict of DXF attributes e.g. ``{'layer': 'mesh', 'color': 7}``
matrix: transformation matrix of type :class:`~ezdxf.math.Matrix44`
ucs: transform vertices by :class:`~ezdxf.math.UCS` to :ref:`WCS`
"""
polyface = layout.add_polyface(dxfattribs=dxfattribs)
t = MeshTransformer.from_builder(self)
if matrix is not None:
t.transform(matrix)
if ucs is not None:
t.transform(ucs.matrix)
polyface.append_faces(subdivide_ngons(t.faces_as_vertices()))
return polyface
def test_subdivide_ngons():
hexagon = list(circle(6))
result = list(subdivide_ngons([hexagon]))
assert len(result) == 6