<html>
<head>
<style>
.hmmessage P
{
margin:0px;
padding:0px
}
body.hmmessage
{
FONT-SIZE: 9pt;
FONT-FAMILY:Tahoma
}
</style>
</head>
<body class='hmmessage'>
Hi, everyone,<BR>
I am learning to translate vtk into c++ style, and hit some problems.<BR>
Can someone explain how to translate "eval plane SetOrigin [[pl3d GetOutput] GetCenter]"?<BR>
What does the "eval" mean?<BR>
<BR>
piece of the source code:<BR>
<BR>
vtkPLOT3DReader pl3d<BR> pl3d SetXYZFileName "$VTK_DATA/combxyz.bin"<BR> pl3d SetQFileName "$VTK_DATA/combq.bin"<BR> pl3d SetScalarFunctionNumber 100<BR> pl3d SetVectorFunctionNumber 202<BR> pl3d Update<BR>vtkPlane plane<BR> eval plane SetOrigin [[pl3d GetOutput] GetCenter]<BR> plane SetNormal -0.287 0 0.9579<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>
</html>