[vtkusers] vtk vs opengl

[Udaya Bedampeta]

Hi,

>     I am having refresh issues while using vtk and opengl in the same 

> application. Here is some detail about the issue I have,

> 

>                 I have 2 windows (MFC based app), One window uses 

> Opengl to display a human model (basically reading an stl file and
constructing it).

>                 The other window is constructed using vtk. The same 

> human model is being displayed in this window too.

> 

>                 Now, the issue is the human model appears fine in the 

> vtk window fine, but the opengl window initially does not display when 

> the window is shown but once I refresh it by a click in the opengl 

> window the human model comes back. In contrary to it if I explicitly 

> call glFInish() and wglMakeCurrentContext(null, null) in onpaint() of 

> opengl window the human model appears just fine as in vtk window. 

> Since I am newbie I am not making any speculations for this behavior 

> but feel that vtk is holding up some handles, resources etc which is being
used by opengl window.

> 

>                 I appreciate any thoughts about the issues and what is 

> the better way of using vtk vs opengl in the same application.

 

>                 Thanks all in advance.

> 

> Thanks,

> Uday

 

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