From 3167f2e3a7d95f06924da2108de6c917d268f285 Mon Sep 17 00:00:00 2001
From: Alvaro Sanchez <alvaro.sanchez@kitware.com>
Date: Wed, 27 Apr 2016 17:53:44 -0400
Subject: [PATCH] Fix value-pass's scalar range initialization.
---
Rendering/Core/vtkMapper.cxx | 8 +++++++-
1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/Rendering/Core/vtkMapper.cxx b/Rendering/Core/vtkMapper.cxx
index 32e02a81efa..304dda64d3d 100644
--- a/Rendering/Core/vtkMapper.cxx
+++ b/Rendering/Core/vtkMapper.cxx
@@ -834,6 +834,13 @@ void vtkMapper::UseInvertibleColorFor(int scalarMode,
this->Modified();
+ // Ensure the scalar range is initialized
+ vtkDataArray *dataArray = vtkDataArray::SafeDownCast(abstractArray);
+ if (dataArray && scalarRange[0] > scalarRange[1])
+ {
+ scalarRange = dataArray->GetRange();
+ }
+
this->ScalarMode = scalarMode;
this->ArrayComponent = arrayComponent;
this->SetScalarRange(scalarRange);
@@ -863,7 +870,6 @@ void vtkMapper::UseInvertibleColorFor(int scalarMode,
this->LookupTable = NULL;
}
- vtkDataArray *dataArray = vtkDataArray::SafeDownCast(abstractArray);
if (!dataArray)
{
vtkLookupTable* table = vtkLookupTable::New();
--
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