ScalarsToColors

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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
 *
 * This library is open source and may be redistributed and/or modified under
 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
 * (at your option) any later version.  The full license is in LICENSE file
 * included with this distribution, and on the openscenegraph.org website.
 *
 * 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
 * OpenSceneGraph Public License for more details.
*/
 
#ifndef OSGSIM_SCALARSTCOLORS
#define OSGSIM_SCALARSTCOLORS 1
 
#include <osgSim/Export>
 
#include <osg/Vec4>
#include <osg/Referenced>
 
namespace osgSim
{
class OSGSIM_EXPORT ScalarsToColors: public osg::Referenced
{
public:
 
    ScalarsToColors(float scalarMin, float scalarMax);
    virtual ~ScalarsToColors() {}

    virtual osg::Vec4 getColor(float scalar) const;

    float getMin() const;

    float getMax() const;
 
private:
 
    float _min, _max;
};
 
}
 
#endif