<div>hello thank you for your replying and effort</div><div><br></div><div>I am sorry to say like this</div><div>unfortunately the following code working same as</div><div>(bitmap "run.bmp")</div><div>it means</div> <div>1. sourcefile is in c:\</div><div>2. run.bmp is in c:\</div><div>3. make exe</div><div>4. it works!</div><div>5. but.. when I change both run.bmp and exe to other folder, it doesn't work</div><div>6. image doesn't apear</div> <div>7. it means, if there is no exactly same directory structure and file, it would not working in other computer</div><div><br></div><div><br></div><div><br></div><div>#lang racket</div><div><br></div><div>(require 2htdp/universe)</div> <div>(require 2htdp/image)</div><div><br></div><div>(require racket/gui/base)</div><div>(require racket/runtime-path)</div><div><br></div><div>(define-runtime-path here ".")</div><div><br></div><div>(define hero</div> <div> (make-object image-snip%</div><div> (make-object bitmap% (path->string (build-path here "run.bmp")))))</div><div><br></div><div>(define (dr n)</div><div> (overlay (scale (/ (+ (modulo n 90) 1) 10) (rotate (modulo (* n n) 360) hero)) (square 500 "outline" "blue")))</div> <div><br></div><div>(animate dr)</div><div><br></div>