nonstopparty

Thanks a lot! I think the code ymin = 0 if (xcenter - w/2.0 < 0) else (xcenter - w/2.0) should be ymin = 0 if (ycenter - h/2.0 <...

@ZhouJiaHuan Yes,src_img is ok, I didn't notice that the function plot_result has already transformed the coordinate.