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<DIV><FONT face="Bookman Old Style">Hi,</FONT></DIV>
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<DIV><FONT face="Bookman Old Style">I want to remove a small sphere in the 3D
image. How to implement it using VTK?</FONT></DIV>
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<DIV><FONT face="Bookman Old Style">Regards,</FONT></DIV>
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<DIV><FONT face="Bookman Old Style">Yixun Liu</FONT></DIV>
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