From e99daaa4694076e3a7d0e51766a7819bde2e5532 Mon Sep 17 00:00:00 2001
From: Jeremy Wright <wrightjmf@gmail.com>
Date: Wed, 31 Dec 2014 12:22:30 -0500
Subject: [PATCH] Added a function to set colors and transparency.

---
 CadQuery/Helpers.py | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
 create mode 100644 CadQuery/Helpers.py

diff --git a/CadQuery/Helpers.py b/CadQuery/Helpers.py
new file mode 100644
index 0000000..ea66bb2
--- /dev/null
+++ b/CadQuery/Helpers.py
@@ -0,0 +1,24 @@
+def show(cqObject, rgba=(204, 204, 204, 0.0)):
+    import FreeCAD
+    from random import random
+
+    #Convert our rgba values
+    r = rgba[0] / 255.0
+    g = rgba[1] / 255.0
+    b = rgba[2] / 255.0
+    a = int(rgba[3] * 100.0)
+
+    ad = FreeCAD.activeDocument()
+
+    #Generate a random name for this shape in case we are doing multiple shapes
+    newName = "Shape" + str(random())
+
+    #Set up the feature in the tree so we can manipulate its properties
+    newFeature = ad.addObject("Part::Feature", newName)
+
+    #Change our shape's properties accordingly
+    newFeature.ViewObject.ShapeColor = (r, g, b)
+    newFeature.ViewObject.Transparency = a
+    newFeature.Shape = cqObject.toFreecad()
+
+    ad.recompute()