[Paraview] Insert text source into view in a script

[Utkarsh Ayachit]

Does the following script work:
#=======================
from paraview.simple import *
Sphere()
Show()
Render()

t = Text()
t.Text = "Hello World"
t.Show()
Render()
#=======================

Utkarsh


On Wed, Jul 15, 2009 at 4:23 PM, M. Nawijn<nawijn at gmail.com> wrote:
> Hello Utkarsh,
>
> Thank you for the fast response. I tried this already before posting
> my question to the mailing list, however, when I inserted the Show(),
> I get the following error:
>
> vtkFileSeriesReader : [ ...........]
> vtkPainterPolyDataMapper : [ ...........]
> vtkPainterPolyDataMapper : [ ...........]
> Traceback (most recent call last):
>  File "test3.py", line 39, in <module>
>    Show()
>  File "/home/nawijn/scratch/paraview-bin/Utilities/VTKPythonWrapping/paraview/simple.py",
> line 112, in Show
>    rep = GetDisplayProperties(proxy, view)
>  File "/home/nawijn/scratch/paraview-bin/Utilities/VTKPythonWrapping/paraview/simple.py",
> line 101, in GetDisplayProperties
>    return GetRepresentation(proxy, view)
>  File "/home/nawijn/scratch/paraview-bin/Utilities/VTKPythonWrapping/paraview/simple.py",
> line 90, in GetRepresentation
>    rep = servermanager.GetRepresentation(proxy, view)
>  File "/home/nawijn/scratch/paraview-bin/Utilities/VTKPythonWrapping/paraview/servermanager.py",
> line 1989, in GetRepresentation
>    if rep.Input == aProxy:
>  File "/home/nawijn/scratch/paraview-bin/Utilities/VTKPythonWrapping/paraview/servermanager.py",
> line 357, in __getattr__
>    return getattr(self.SMProxy, name)
> AttributeError: Input
>
>
> Any suggestions?
>
> On Wed, Jul 15, 2009 at 10:17 PM, Utkarsh
> Ayachit<utkarsh.ayachit at kitware.com> wrote:
>> "Text" is a data source similar to the reader. You need to  "Show" it
>> to add it to the active view.
>>
>> Just do:
>> load = 100.0
>> # Don't know how to get this into the view
>> text = Text()
>> text.Text = "Load %6.3f" % load
>> Show()
>>
>> Utkarsh
>>
>> On Wed, Jul 15, 2009 at 4:01 PM, M. Nawijn<nawijn at gmail.com> wrote:
>>> Hello,
>>>
>>> I am a newbie in Paraview Python scripting, so I apologize upfront if
>>> this is a trivial question.
>>>
>>> I am processing a set of datafiles obtained from an optical
>>> measurement system. I so far succeeded in loading the data file,
>>> adding a color legend and storing the resulting view in a image file.
>>> Sample code is posted below.
>>>
>>> What I would like to do next is add a text source to the view to
>>> provide some contextual information about the data (in particular the
>>> external load level at which the data was captured). I managed to add
>>> a text source to an "empty" view (so without first reading the data),
>>> but I cannot find a way to have the data and text source together.
>>>
>>> Can someone explain how I can add this to the view?
>>>
>>> Kind regards,
>>>
>>> Marco
>>>
>>> #==== What I have so far ===================================================
>>>
>>> from paraview.simple import *
>>>
>>> lt = MakeBlueToRedLT(-1.0, 1.0)
>>>
>>> bar = servermanager.rendering.ScalarBarWidgetRepresentation()
>>> bar.LookupTable = lt
>>> bar.LabelColor = [0.0, 1.0, 0.0]
>>> bar.Title      = r'W [mm]'
>>> bar.TitleColor = [0.0, 1.0, 0.0]
>>> bar.LabelFontSize = 14
>>> bar.AspectRatio   = 15.0
>>> bar.AutomaticLabelFormat = 0
>>>
>>> reader = XMLUnstructuredGridReader(FileName='disp-stage-%d.vtu' % 17)
>>>
>>> Show()
>>>
>>> #UpdatePipeline()
>>>
>>> view = GetActiveView()
>>> view.Background = [0,0,0]
>>> ResetCamera(view)
>>> view.UseOffscreenRenderingForScreenshots = 0
>>>
>>> dp = GetDisplayProperties()
>>> dp.ColorArrayName = 'W'
>>>
>>> rep = GetRepresentation()
>>> rep.LookupTable = lt
>>>
>>> view.Representations.append(bar)
>>>
>>> load = 100.0
>>> # Don't know how to get this into the view
>>> text = Text()
>>> text.Text = "Load %6.3f" % load
>>>
>>> # Image does not show the text
>>> WriteImage('test.png')
>>> _______________________________________________
>>> Powered by www.kitware.com
>>>
>>> Visit other Kitware open-source projects at http://www.kitware.com/opensource/opensource.html
>>>
>>> Please keep messages on-topic and check the ParaView Wiki at: http://paraview.org/Wiki/ParaView
>>>
>>> Follow this link to subscribe/unsubscribe:
>>> http://www.paraview.org/mailman/listinfo/paraview
>>>
>>
>