refactor render_sphere.py example
-# Copyright (c) 2020-2021, Manfred Moitzi
+# Copyright (c) 2020-2022, Manfred Moitzi
# License: MIT License
-
-from pathlib import Path
+import pathlib
import ezdxf
-
from ezdxf.render.forms import sphere
-DIR = Path("~/Desktop/Outbox").expanduser()
-if not DIR.exists():
- DIR = Path(".")
+CWD = pathlib.Path("~/Desktop/Outbox").expanduser()
+if not CWD.exists():
+ CWD = pathlib.Path(".")
+
+# ------------------------------------------------------------------------------
+# This example shows how to render a 3D sphere as MESH entity. The added
+# face-normals show if the face-orientation follows the usual count-clockwise
+# order to build outside pointing faces.
+# ------------------------------------------------------------------------------
+
+def main():
doc = ezdxf.new()
-doc.layers.new("form", dxfattribs={"color": 5})
-doc.layers.new("csg", dxfattribs={"color": 1})
+ doc.layers.new("mesh", dxfattribs={"color": 5})
doc.layers.new("normals", dxfattribs={"color": 6})
doc.set_modelspace_vport(6, center=(5, 0))
@@ -20,7 +25,11 @@ msp = doc.modelspace()
sphere1 = sphere(count=32, stacks=16, radius=1, quads=True)
-sphere1.render_polyface(msp, dxfattribs={"layer": "form"})
+ sphere1.render_mesh(msp, dxfattribs={"layer": "mesh"})
sphere1.render_normals(msp, dxfattribs={"layer": "normals"})
-doc.saveas(DIR / "sphere.dxf")
+ doc.saveas(CWD / "sphere.dxf")
+
+
+if __name__ == "__main__":
+ main()
