Re: [MayaVi-users] How to plot triangular mesh without the GUI coming up?

[John R. C. <ca...@tx...>]

Thanks for your help.  I am still getting a window popping up, so may
need to investigate the virtual X server or another solution.

John Cary

Gael Varoquaux wrote:
> On Mon, May 25, 2009 at 09:53:08AM -0600, John R. Cary wrote:
>   
>> It seems that the gui always comes up.  I just want to
>> create my scene and save it in a png without the GUI
>> coming up.
>>     
>
> You are looking for offscreen rendering. I have sketched modifications to
> your script that should do it:
>
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> import tables
> import numpy
> from enthought.mayavi import mlab
> mlab.options.offscreen = True
>
> def run():
>   
>     # Then generate points and triangles
>
>     # Then at the bottom I have
>
>     # Create script and add triangles
>     tmesh = mlab.triangular_mesh(points[:, 0], points[:, 1],
>                                     points[:, 2], triangles)
>    
>     # Set the view
>     mlab.view(45, 15)
>     mlab.savefig("crabcav.png", size=(640,480))
>
> if __name__ == '__main__':
>     run()
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>
> You should also read 
> http://code.enthought.com/projects/mayavi/docs/development/html/mayavi/tips.html#off-screen-rendering
> as to avoid having a window poping up, you may need to do more, depending
> on your platform.
>
> HTH,
>
> Gaël
>
>