Merge pull request #2119 from mikedh/fix/links

Release: Fix Readme

README.md

@@ -8,7 +8,7 @@ Trimesh is a pure Python 3.7+ library for loading and using [triangular meshes](
 
 The API is mostly stable, but this should not be relied on and is not guaranteed: install a specific version if you plan on deploying something using trimesh.
 
-Pull requests are appreciated and responded to promptly! If you'd like to contribute, here is an [up to date list of potential enhancements](https://github.com/mikedh/trimesh/issues/1557) although things not on that list are also welcome. Here's a quick [development and contributing guide.](https://trimsh.org/contributing.html)
+Pull requests are appreciated and responded to promptly! If you'd like to contribute, here is an [up to date list of potential enhancements](https://github.com/mikedh/trimesh/issues/1557) although things not on that list are also welcome. Here's a quick [development and contributing guide.](https://trimesh.org/contributing.html)
 
 
 ## Basic Installation
@@ -24,12 +24,12 @@ The minimal install can load many supported formats (STL, PLY, GLTF/GLB) into nu
 pip install trimesh[easy]
 ```
 
-Further information is available in the [advanced installation documentation](https://trimsh.org/install.html).
+Further information is available in the [advanced installation documentation](https://trimesh.org/install.html).
 
 ## Quick Start
 
 Here is an example of loading a mesh from file and colorizing its faces. Here is a nicely formatted
-[ipython notebook version](https://trimsh.org/examples/quick_start.html) of this example. Also check out the [cross section example](https://trimsh.org/examples/section.html).
+[ipython notebook version](https://trimesh.org/examples/quick_start.html) of this example. Also check out the [cross section example](https://trimesh.org/examples/section.html).
 
 ```python
 import numpy as np
@@ -207,7 +207,7 @@ A question that comes up pretty frequently is [how to cite the library.](https:/
 @software{trimesh,
 	author = {{Dawson-Haggerty et al.}},
 	title = {trimesh},
-	url = {https://trimsh.org/},
+	url = {https://trimesh.org/},
 	version = {3.2.0},
 	date = {2019-12-8},
 }

pyproject.toml

@@ -5,7 +5,7 @@ requires = ["setuptools >= 61.0", "wheel"]
 [project]
 name = "trimesh"
 requires-python = ">=3.7"
-version = "4.0.9"
+version = "4.0.10"
 authors = [{name = "Michael Dawson-Haggerty", email = "[email protected]"}]
 license = {file = "LICENSE.md"}
 description = "Import, export, process, analyze and view triangular meshes."

trimesh/path/path.py

@@ -268,7 +268,7 @@ def kdtree(self):
         return kdtree
 
     @property
-    def scale(self):
+    def scale(self) -> float:
         """
         What is a representitive number that reflects the magnitude
         of the world holding the paths, for numerical comparisons.
@@ -278,6 +278,10 @@ def scale(self):
         scale : float
           Approximate size of the world holding this path
         """
+        # check to see if this path is empty first
+        if len(self.vertices) == 0:
+            return 1.0
+
         # return the diagonal length of the AABB
         return np.linalg.norm(self.vertices.ptp(axis=0))