LinearScale.cpp

//----------------------------------------------------------------------
// Includes
//----------------------------------------------------------------------
#include <iostream>

#include "MantidAPI/LinearScale.h"
#include "MantidAPI/TransformScaleFactory.h"

namespace Mantid
{
namespace API
{

DECLARE_TRANSFORMSCALE(LinearScale);

/* Transform the grid to adopt a linear scale
 * @param gd a grid object
 */
void LinearScale::transform( std::vector<double> &gd )
{
  size_t n = gd.size();
  if(n<3) return; //no need to process
  double startX = gd.front();
  double endX = gd.back();
  double spacing = (endX-startX)/double(n);
  double x = startX + spacing;
  for(auto it=gd.begin()+1; it!=gd.end()-1; it++)
  {
    *it = x;
    x += spacing;
  }
}



} // namespace API
} // namespace Mantid