From bc0447ec0087304ed4980b789a3c4d41daa8e4d5 Mon Sep 17 00:00:00 2001
From: Roxana Bujack <bujack@lanl.gov>
Date: Tue, 7 Nov 2023 11:56:37 -0700
Subject: [PATCH] only remove blanked cells if the number of cells matches the
 ghost array

---
 vtkm/rendering/Triangulator.h | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/vtkm/rendering/Triangulator.h b/vtkm/rendering/Triangulator.h
index 90d3987ca..42152ee08 100644
--- a/vtkm/rendering/Triangulator.h
+++ b/vtkm/rendering/Triangulator.h
@@ -704,7 +704,8 @@ public:
     }
 
     // removed blanked triangles
-    if (ghostField.GetNumberOfValues() > 0)
+    // TODO: this currently excludes unstructured data that was triangulated
+    if (ghostField.GetNumberOfValues() == outputTriangles)
     {
       vtkm::cont::ArrayHandle<vtkm::Id4> nonGhostTriangles;
       nonGhostTriangles.Allocate(outputTriangles);