From 1e5b55c82dc6dbc3394203b63a85bf2e57900929 Mon Sep 17 00:00:00 2001
From: paulojamorim <paulojamorim@gmail.com>
Date: Fri, 24 Jul 2009 17:59:52 +0000
Subject: [PATCH] FIX: Original imagedata affected if edited

---
 invesalius/data/surface.py |  9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/invesalius/data/surface.py b/invesalius/data/surface.py
index 1f2d36e..10665e8 100644
--- a/invesalius/data/surface.py
+++ b/invesalius/data/surface.py
@@ -58,8 +58,12 @@ class SurfaceManager():
         quality='Optimal'
         mode = 'CONTOUR' # 'GRAYSCALE'
 
+        imagedata_tmp = None
         if (edited_points):
-            imagedata = BuildEditedImage(imagedata, edited_points)
+            imagedata_tmp = vtk.vtkImageData()
+            imagedata_tmp.DeepCopy(imagedata)
+            imagedata_tmp.Update()
+            imagedata = BuildEditedImage(imagedata_tmp, edited_points)
 
         if quality in const.SURFACE_QUALITY.keys():
             imagedata_resolution = const.SURFACE_QUALITY[quality][0]
@@ -226,6 +230,9 @@ class SurfaceManager():
                                     surface.colour, surface.volume,
                                     surface.transparency))
 
+        #Destroy Copy original imagedata
+        if(imagedata_tmp):
+            del imagedata_tmp
 
     def RemoveActor(self, index):
         """
--
libgit2 0.21.2