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<DIV><FONT face="Bookman Old Style">Hi,</FONT></DIV>
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<DIV><FONT face="Bookman Old Style">How to select a point from a volume rending?
I select a point from the screen and then get a ray from this point and the
camera. However, how to decide which point is what I need from all
the points traced by the ray?</FONT></DIV>
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<DIV><FONT face="Bookman Old Style">Regards,</FONT></DIV>
<DIV><FONT face="Bookman Old Style"></FONT> </DIV>
<DIV><FONT face="Bookman Old Style">Yixun Liu</FONT></DIV></BODY></HTML>