[Paraview] Script for exporting multiple scenes

[Utkarsh Ayachit]

Claudio,

Attached is an example script with a demo vtu file used for it.

Hope that helps.

Utkarsh

On Mon, Oct 23, 2017 at 8:55 AM, Ing. Claudio Pascarelli <
claudio.pascarelli at unisalento.it> wrote:

> Hi,
>
> these are the first times that I'm using Paraview and Python.
>
>
> I would like to create a script that:
>
>
> 1 - Read the number and name of properties (variables/contour plot) that I
> have in my .vtu file (for instance TEMPERATURE and TH_FLUX)
>
> 2 - Export every contour plot (Export Scenes) in vrml format, looping
> among them (like a "for" cycle), with the right name (for instance
> VtuName_TEMPERATURE.vrml and VtuName_TH_FLUX.vrml)
>
>
> A priori I do not know how many and which are these properties so I think
> that I need first lo list them in some way.
>
>
> If I record a trace this is what I obtain
>
>
> ************************************************************
> ***************
>
> #### import the simple module from the paraview
> from paraview.simple import *
> #### disable automatic camera reset on 'Show'
> paraview.simple._DisableFirstRenderCameraReset()
>
> # get active source.
> valvola_XXX_termicovtu = GetActiveSource()
>
> # get active view
> renderView1 = GetActiveViewOrCreate('RenderView')
> # uncomment following to set a specific view size
> # renderView1.ViewSize = [763, 502]
>
> # get display properties
> valvola_XXX_termicovtuDisplay = GetDisplayProperties(valvola_XXX_termicovtu,
> view=renderView1)
>
> # set scalar coloring
> ColorBy(valvola_XXX_termicovtuDisplay, ('POINTS', 'TEMP'))
>
> # rescale color and/or opacity maps used to include current data range
> valvola_XXX_termicovtuDisplay.RescaleTransferFunctionToDataRange(True,
> False)
>
> # show color bar/color legend
> valvola_XXX_termicovtuDisplay.SetScalarBarVisibility(renderView1, True)
>
> # get color transfer function/color map for 'TEMP'
> tEMPLUT = GetColorTransferFunction('TEMP')
>
> # export view
> ExportView('C:/Users/User/Desktop/TEMP.vrml', view=renderView1)
>
> # set scalar coloring
> ColorBy(valvola_XXX_termicovtuDisplay, ('POINTS', 'TH_FLUX', 'Magnitude'))
>
> # Hide the scalar bar for this color map if no visible data is colored by
> it.
> HideScalarBarIfNotNeeded(tEMPLUT, renderView1)
>
> # rescale color and/or opacity maps used to include current data range
> valvola_XXX_termicovtuDisplay.RescaleTransferFunctionToDataRange(True,
> False)
>
> # show color bar/color legend
> valvola_XXX_termicovtuDisplay.SetScalarBarVisibility(renderView1, True)
>
> # get color transfer function/color map for 'TH_FLUX'
> tH_FLUXLUT = GetColorTransferFunction('TH_FLUX')
>
> # export view
> ExportView('C:/Users/User/Desktop/TH_FLUX.vrml', view=renderView1)
>
> #### saving camera placements for all active views
>
> # current camera placement for renderView1
> renderView1.CameraPosition = [-0.09199999999789327, 0.0665,
> 0.7345691646101393]
> renderView1.CameraFocalPoint = [-0.09199999999789327, 0.0665, -0.05375]
> renderView1.CameraParallelScale = 0.2040320134204131
>
> #### uncomment the following to render all views
> # RenderAllViews()
> # alternatively, if you want to write images, you can use
> SaveScreenshot(...).
>
> *******************************************************
>
>
> Thank you!!!!
>
>
> Claudio Pascarelli
>
>
>
>
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