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<body class='hmmessage'><FONT color=#0000ff size=3>Hi , everyone ,</FONT><BR>
<FONT color=#0000ff size=3> </FONT><BR>
<FONT color=#0000ff size=3> I always see that this is off-screen technique and so on when I read some information of VTK </FONT><BR>
<FONT color=#0000ff size=3>classes , for example vtkHAVSVolumeMapper . but I really don't know what is off-screen technique and why </FONT><BR>
<FONT color=#0000ff size=3>we have to use it . and now I have searched a lot of information , however , they all say that they use </FONT><BR>
<FONT color=#0000ff size=3>it , but I cann't get what it is in detail . </FONT><BR>
<FONT color=#0000ff size=3> </FONT><BR>
<FONT color=#0000ff size=3> so can you help me to give me some hints , information , or articles ? </FONT><BR>
<FONT color=#0000ff size=3></FONT> <BR>
<FONT color=#0000ff size=3> thank you with great regards !</FONT><BR>
<FONT color=#0000ff size=3></FONT> <BR>
<FONT color=#0000ff size=3> Mark</FONT><BR><br /><hr />使用新一代 Windows Live Messenger 轻松交流和共享！ <a href='http://messenger.live.cn/' target='_new'>立即体验！</a></body>
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