<div>How to visualize underground layers and cut it with planes</div>  <div>&nbsp;</div>  <div>Hi all,<BR>I've got a question of whether it's possible to solve the following </div>  <div>problem with VTK and HOW to do it by VTK:<BR>THE PROBLEM IS:<BR>By drilling vertical holes within a certain area(e.g., an area of footbal </div>  <div>playground size), we've obtained from the holes the altitude of several </div>  <div>different underground layers. The holes are not necessarily at the points </div>  <div>of structured grids, instead they may be very randomly distributed within </div>  <div>the area:<BR><A href="http://www.leading.net.cn/lzman/images/image-1/5-1.gif">http://www.leading.net.cn/lzman/images/image-1/5-1.gif</A><BR>THE TASK IS: <BR>1. read the altitude data from file or database, build 3D model of the </div>  <div>underground layers and make visualization of them<BR><A
 href="http://www.geoxd.com/images/album/whole/images/rotate_solid.gif">http://www.geoxd.com/images/album/whole/images/rotate_solid.gif</A><BR>2. cut the model with several predefined planes and visualize it:<BR><A href="http://www.geoxd.com/images/album/complex/pages/zhexian_whole_jpg.htm">http://www.geoxd.com/images/album/complex/pages/zhexian_whole_jpg.htm</A></div>  <div>&nbsp;</div>  <div>Environmental settings: VTK5.0.2, MSVC6.0, WinXP, CPU:Pentium 2.0G, </div>  <div>GPU:GeForce2 MX400 64M</div><p>&#32;
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