docs: public void parameterize( int x , int y )
  	{
  		// put the point in a new coordinate system centered at the image's origin
  		x -= originX;
  		y -= originY;
  
  		int w2 = transform.width/2;
  
  		// The line's slope is encoded using the tangent angle.  Those bins are along the image's y-axis
  		for( int i = 0; i < transform.height; i++ ) {
  			// distance of closest point on line from a line defined by the point (x,y) and
  			// the tangent theta=PI*i/height
  			double p = x*tableTrig.c[i] + y*tableTrig.s[i];
  
  			int col = (int)Math.floor(p * w2 / r_max) + w2;
  			int index = transform.startIndex + i*transform.stride + col;
  			transform.data[index]++;
  		}
  	}