Added attribution & links for color functions in utils.py

etjones-erisyon · etjones-erisyon · commit 61dc6891903c · 2015-06-04T20:44:06.000Z
diff --git a/README.md b/README.md
@@ -243,7 +243,7 @@ See [`solid/examples/path_extrude_example.py`](https://github.com/SolidCode/Soli
 ### Basic color library<a id="basic-color-library"></a>
 You can change an object's color by using the OpenSCAD ```color([rgba_array])``` function:
 
-    transparent_blue = color( [0,0,1, 0.5])(cube(10))  # Specify with RGB[A]
+    transparent_blue = color([0,0,1, 0.5])(cube(10))  # Specify with RGB[A]
     red_obj = color(Red)(cube(10))                   # Or use predefined colors
 
 These colors are pre-defined in solid.utils:
@@ -258,8 +258,7 @@ These colors are pre-defined in solid.utils:
     <tr><td>* FiberBoard </td></tr>
 </table>
 
-I took this from someone on Thingiverse and I'm ashamed that I can't find the 
-original source.  I owe someone some attribution.
+They're a conversion of the materials in the [MCAD OpenSCAD library](https://github.com/openscad/MCAD), as seen [here] (https://github.com/openscad/MCAD/blob/master/materials.scad).
     
 ### Bill Of Materials<a id="bill-of-materials"></a>
 Put ```@bom_part()``` before any method that defines a part, then 
diff --git a/solid/utils.py b/solid/utils.py
@@ -24,6 +24,7 @@
 # ==========
 # = Colors =
 # ========== 
+# From Hans Häggström's materials.scad in MCAD: https://github.com/openscad/MCAD
 Red         = (1, 0, 0)
 Green       = (0, 1, 0)
 Blue        = (0, 0, 1)
