From 1d6ef4bc3cdcf42714e61b1eb69836a348de4c33 Mon Sep 17 00:00:00 2001
From: Jack Ha <j.ha@ultimaker.com>
Date: Wed, 8 Feb 2017 10:40:17 +0100
Subject: [PATCH] Default color if no material color is available. CURA-3273

---
 plugins/CuraEngineBackend/ProcessSlicedLayersJob.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/plugins/CuraEngineBackend/ProcessSlicedLayersJob.py b/plugins/CuraEngineBackend/ProcessSlicedLayersJob.py
index 21227e7a8b..7648307de5 100644
--- a/plugins/CuraEngineBackend/ProcessSlicedLayersJob.py
+++ b/plugins/CuraEngineBackend/ProcessSlicedLayersJob.py
@@ -177,6 +177,8 @@ class ProcessSlicedLayersJob(Job):
             material_color_map = numpy.zeros((1, 4), dtype=numpy.float32)
             material = global_container_stack.findContainer({"type": "material"})
             color_code = material.getMetaDataEntry("color_code")
+            if color_code is None:  # not all stacks have a material color
+                color_code = "#e0e000"
             color = colorCodeToRGBA(color_code)
             material_color_map[0, :] = color