[vtkusers] how to deal with the stl file

[Franks]

Hi,list

I use "vtkSTLReader" to read the *.stl file(generate by some CAD softwares).
The origin data(it contains three cylinders) disply like pic1, and I want to
join these cylinders like pic2. 


<http://vtk.1045678.n5.nabble.com/file/t342588/2.png> 
pic1

<http://vtk.1045678.n5.nabble.com/file/t342588/3.png> 
pic2

I have some problems.
1. The cells in data are all "VTK_TRIANGLE". I do not know how to change the
height of the cylinder. 
2. I still do not know how to deal with the junction of three cylinders.

Frank



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