Initial commit of ResInsight version 0.4.8

VisualizationModules/LibRender/cvfScalarMapperDiscreteLog.h

@@ -0,0 +1,40 @@
+//##################################################################################################
+//
+//   Custom Visualization Core library
+//   Copyright (C) 2011-2012 Ceetron AS
+//    
+//   This library is free software: you can redistribute it and/or modify 
+//   it under the terms of the GNU General Public License as published by 
+//   the Free Software Foundation, either version 3 of the License, or 
+//   (at your option) any later version. 
+//    
+//   This library is distributed in the hope that it will be useful, but WITHOUT ANY 
+//   WARRANTY; without even the implied warranty of MERCHANTABILITY or 
+//   FITNESS FOR A PARTICULAR PURPOSE.   
+//    
+//   See the GNU General Public License at <<http://www.gnu.org/licenses/gpl.html>> 
+//   for more details. 
+//
+//##################################################################################################
+
+#pragma once
+
+#include "cvfScalarMapperDiscreteLinear.h"
+
+namespace cvf {
+
+//==================================================================================================
+//
+// Maps scalar values to texture coordinates/colors
+//
+//==================================================================================================
+
+class ScalarMapperDiscreteLog : public ScalarMapperDiscreteLinear
+{
+public:
+    ScalarMapperDiscreteLog() {m_decadeLevelCount = 2; }
+protected:
+    virtual double      normalizedLevelPosition( double domainValue ) const;
+    virtual double      domainValue( double normalizedPosition ) const;
+};
+}