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/////////////////////////////////////////////////////////////
// //
// Copyright (c) 2003-2014 by The University of Queensland //
// Centre for Geoscience Computing //
// http://earth.uq.edu.au/centre-geoscience-computing //
// //
// Primary Business: Brisbane, Queensland, Australia //
// Licensed under the Open Software License version 3.0 //
// http://www.apache.org/licenses/LICENSE-2.0 //
// //
/////////////////////////////////////////////////////////////
#include "colormap3.h"
ColorMap3::ColorMap3(const Vec3& c0,const Vec3& c1,const Vec3& c2,double x0 ,double x1 ,double x2)
{
m_c0=c0;
m_c1=c1;
m_c2=c2;
m_x0=x0;
m_x1=x1;
m_x2=x2;
}
Vec3 ColorMap3::getColor(double x) const
{
Vec3 res;
if(x<m_x0){
res=m_c0;
} else if (x>m_x2){
res=m_c2;
} else {
if(x<m_x1){
res=m_c0+(m_c1-m_c0)*(x-m_x0)/(m_x1-m_x0);
} else {
res=m_c1+(m_c2-m_c1)*(x-m_x1)/(m_x2-m_x1);
}
}
return res;
}
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