From 1582c8e8773c9dedd401df6acf4df4cc1c36661e Mon Sep 17 00:00:00 2001
From: paulojamorim <paulojamorim@gmail.com>
Date: Tue, 26 Jan 2010 17:30:04 +0000
Subject: [PATCH] ADD: Method to extract all regions

---
 invesalius/data/polydata_utils.py | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/invesalius/data/polydata_utils.py b/invesalius/data/polydata_utils.py
index fd52ef6..417d0b5 100644
--- a/invesalius/data/polydata_utils.py
+++ b/invesalius/data/polydata_utils.py
@@ -150,5 +150,25 @@ def SelectLargestPart(polydata):
 def SplitDisconectedParts(polydata):
     """
     """
-    return [polydata]
+    conn = vtk.vtkPolyDataConnectivityFilter()
+    conn.SetInput(polydata)
+    conn.SetExtractionModeToAllRegions()
+    conn.Update()
+    
+    nregions = conn.GetNumberOfExtractedRegions()
+    
+    polydata_collection = []
+    
+    for region in nregions:
+        conn.InitializeSpecifiedRegionList()
+        conn.AddSpecifiedRegion(region)
+        conn.Update()
+        
+        p = vtk.vtkPolyData()
+        p.DeepCopy(conn.GetOutput())
+        p.Update()
+        
+        polydata_collection.append(p)
+    
+    return polydata_collection
 
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libgit2 0.21.2