void CDepthMapSkt::ShiftNN(int column, int row)
{
CDepthMapSkt bufDepthMap;
CopyDepthMapTo(bufDepthMap);
if(column < 0 || row < 0)
{
return;
}
int r,c;
for(r=0; r<GetNRows(); r++)
{
for(c=0; c<GetNCols(); c++)
{
if(r < row || c < column)
{
SetItem(r,c, 0.0);
}
else
{
float shiftedValue = bufDepthMap.GetItem(r-row, c-column);
SetItem(r, c, shiftedValue);
}
}
}
return;
}
//scale the dimensions:
//ncols = floor(scaleFactor * ncols), nrows = floor(scaleFactor * nrows)
void CDepthMap::ScaleSizeNN(float scaleFactor)
{
//buffer the original depthmap
CDepthMap bufDepthMap;
CopyDepthMapTo(bufDepthMap);
int new_ncols = floor(m_ncols * scaleFactor);
int new_nrows = floor(m_nrows * scaleFactor);
SetSize(new_ncols, new_nrows);
int r,c;
for(r=0; r<GetNRows(); r++)
{
for(c=0; c<GetNCols(); c++)
{
int origR = floor(r/scaleFactor);
int origC = floor(c/scaleFactor);
float origVal = bufDepthMap.GetItem(origR, origC);
SetItem(r,c, origVal);
}
}
}
