public static M33d NormalizedImagePosToPixelEdgeMat(V2d imgSizeInPixel)
{
return(M33d.Scale(imgSizeInPixel - 1));
}
/// <summary>
/// Returns a Matrix to
/// convert from pixel-center position to normalized image position [0,1][0,1].
/// (The inverse of toPixelCenter.)
/// </summary>
public static M33d PixelCenterToNormalizedImgMat(V2d imgSizeInPixel)
{
return(M33d.Scale(V2d.II / imgSizeInPixel) * M33d.Translation(V2dHalf));
}
public static M33d PixelEdgeToNormalizedImgMat(V2d imgSizeInPixel)
{
return(M33d.Scale(V2d.II / (imgSizeInPixel - 1)));
}
/// <summary>
/// Returns a Matrix to
/// convert from normalized image position [0,1][0,1] to pixel-center position
/// (The inverse of toNormalizedImgPos.)
/// </summary>
public static M33d NormalizedImagePosToPixelCenterMat(V2d imgSizeInPixel)
{
return(M33d.Translation(-V2dHalf) * M33d.Scale(imgSizeInPixel));
}
public static Trafo2d Scale(double s)
{
return(new Trafo2d(M33d.Scale(s),
M33d.Scale(1 / s)));
}
public static Trafo2d Scale(double sx, double sy)
{
return(new Trafo2d(M33d.Scale(sx, sy),
M33d.Scale(1 / sx, 1 / sy)));
}
public static Trafo2d Scale(V2d sv)
{
return(new Trafo2d(M33d.Scale(sv),
M33d.Scale(1 / sv)));
}