From b76d9299ce7a33aa302e302209a0f749995ca64c Mon Sep 17 00:00:00 2001
From: Tobias Pankert <tobias.pankert@rwth-aachen.de>
Date: Tue, 23 Feb 2021 13:03:32 +0100
Subject: [PATCH 1/2] Allow use of a two-dimensional pitch in Path2D.rasterize

---
 tests/test_raster.py   | 12 ++++++++++++
 trimesh/path/path.py   |  2 +-
 trimesh/path/raster.py |  6 +++---
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/tests/test_raster.py b/tests/test_raster.py
index a47c129a1..3ea4787e0 100644
--- a/tests/test_raster.py
+++ b/tests/test_raster.py
@@ -34,8 +34,17 @@ def test_rasterize(self):
                            fill=True,
                            width=2.0)
 
+        # rasterize with two-dimensional pitch
+        pitch = p.extents / 600
+        filled_2dpitch = p.rasterize(origin=origin,
+                                     pitch=pitch,
+                                     resolution=resolution,
+                                     fill=True,
+                                     width=None)
+
         # count the number of filled pixels
         fill_cnt = g.np.array(filled).sum()
+        fill_2dpitch_cnt = g.np.array(filled_2dpitch).sum()
         both_cnt = g.np.array(both).sum()
         outl_cnt = g.np.array(outline).sum()
 
@@ -45,6 +54,9 @@ def test_rasterize(self):
         assert both_cnt > outl_cnt
         # filled+outline should have more than filled
         assert both_cnt > fill_cnt
+        # A different pitch results in a different image
+        assert fill_2dpitch_cnt != fill_cnt
+
 
 
 if __name__ == '__main__':
diff --git a/trimesh/path/path.py b/trimesh/path/path.py
index 9f2a051db..ec3f1c394 100644
--- a/trimesh/path/path.py
+++ b/trimesh/path/path.py
@@ -1045,7 +1045,7 @@ def rasterize(self,
 
         Parameters
         ------------
-        pitch:      float, length in model space of a pixel edge
+        pitch:      float or (2,) float, length(s) in model space of pixel edges
         origin:     (2,) float, origin position in model space
         resolution: (2,) int, resolution in pixel space
         fill:       bool, if True will return closed regions as filled
diff --git a/trimesh/path/raster.py b/trimesh/path/raster.py
index 9d1c5b9bf..332489173 100644
--- a/trimesh/path/raster.py
+++ b/trimesh/path/raster.py
@@ -33,8 +33,8 @@ def rasterize(path,
     ------------
     path : Path2D
       Original geometry
-    pitch : float
-      Length in model space of a pixel edge
+    pitch : float or (2,) float
+      Length(s) in model space of pixel edges
     origin : (2,) float
       Origin position in model space
     resolution : (2,) int
@@ -51,7 +51,7 @@ def rasterize(path,
     """
 
     # check inputs
-    pitch = float(pitch)
+    pitch = np.asanyarray(pitch, dtype=np.float64)
     origin = np.asanyarray(origin, dtype=np.float64)
 
     # if resolution is None make it larger than path

From adec7156fce2ac2f01957008c45fa15253418b1c Mon Sep 17 00:00:00 2001
From: Tobias Pankert <tobias.pankert@rwth-aachen.de>
Date: Tue, 23 Feb 2021 13:27:30 +0100
Subject: [PATCH 2/2] Fix formatting

---
 tests/test_raster.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/tests/test_raster.py b/tests/test_raster.py
index 3ea4787e0..ce25b77a2 100644
--- a/tests/test_raster.py
+++ b/tests/test_raster.py
@@ -58,7 +58,6 @@ def test_rasterize(self):
         assert fill_2dpitch_cnt != fill_cnt
 
 
-
 if __name__ == '__main__':
     g.trimesh.util.attach_to_log()
     g.unittest.main()