Hi everyone: I want to convert rectilinear grid to image data for volume rendering. I try it using vtkProbeFilter ,but it doesn't work. Are there some examples I can use? Thanks! zhao peng _________________________________________________________________ 新版手机MSN，满足你多彩需求！参加抢鲜体验活动，领取特色奖品！ http://mobile.msn.com.cn/