[email protected] wrote:
> For vector images, the gl2ps dialog seems to block mlab from writing the file.
> So any hint on how to circumvent the dialog or sent an 'OK' to a xvfb session
> would solve my problem.
No problem. Do the following (assuming 's' is your mayavi scene or any
object that has a scene trait):
from enthought.tvtk.api import tvtk
exp = tvtk.GL2PSExporter(file_format='pdf', sort='bsp', compress=1)
s.scene.save_gl2ps('/tmp/t.pdf', exp)
It should not pop-up a UI in this case.
> In addition, the .pdf and .ps files do not seem to qualify as vector
> output. .PS clearly
> produces an embedded raster image and .pdf is of very poor quality. .EPS gets
> it
> amazingly right, but at the expense of quite longer output times.
>
> For raster images, i have the problem that the size option in savefig() does
> not
> work. It does at least try if I put the savefig() command with size
> option twice,
> but what happens is the following: The resulting figure's size is
> right, but everything
> is blank except for the upper left corner in which the original. So if
> I could write a,
> say 5000x5000 raster image, that would solve too. But I dont even know
> if there is
> a limit to the xvfb screen sizes. So .eps would be much preferred.
Try using the magnification of the scene. If 's' is your mayavi scene
then you can do:
s.scene.magnification = 2 # or 4
and VTK should magnify the rendered image. Try it and see if that helps.
HTH,
cheers,
prabhu
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