I am trying to create a screenshot of a specific size from a [VTK file][1].
This is the code I am using
from paraview.simple import *
paraview.simple._DisableFirstRenderCameraReset()
rad_map = LegacyVTKReader(FileNames=['test.vtk'])
# get active view
renderView1 = GetActiveViewOrCreate('RenderView')
dpi = 70
heigth = 24.39846235421442
width = 24.398462354214413
width_p = int(width * dpi)
heigth_p = int(heigth * dpi)
renderView1.ViewSize = [width_p, heigth_p]
# reset view to fit data
#renderView1.ResetCamera()
# current camera placement for renderView1
renderView1.CameraParallelProjection = 1
renderView1.CameraPosition = [5, 5, 1000]
renderView1.CameraFocalPoint = [5, 5, 0.0]
renderView1.CameraViewUp = [0.0, 1.0, 0.0]
scale = (heigth) / 2.0
renderView1.CameraParallelScale = scale
Render()
SaveScreenshot("/Users/ruggiero/dev/test.png", magnification=1)
The problem is that the `ViewSize` seems to be ignored and I keep having
images of fixed size 1707 × 855. The height 855 seems to be a kind of
limit; the only way to get what I want is to limit the `ViewSize` to
855x855.
I have checked [this][2] question and [this][3] question, but with no
success.
Any idea? I am not very confident in the settings for the camera. Could
this be the issue?
[1]: https://dl.dropboxusercontent.com/u/1342856/test.vtk
[2]:
http://stackoverflow.com/questions/31930448/in-python-script-for-paraview-can-i-specify-the-resolution-when-i-do-a-savescre
[3]:
http://stackoverflow.com/questions/27430588/paraview-python-command-to-save-picture-of-defined-size
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