[Paraview] Python: Save Screenshot in parallel projection

[Cory Quammen]

No worries, Jonas, it happens to everyone. I'm glad it works.

Cory

On Thu, Jul 16, 2015 at 4:41 PM, Jonas Asche <asche.j at googlemail.com> wrote:

> Of course i will CC the list, sorry.
> Here is what i wrote in the mail Cory mentioned:
>
> Hello Cory,
>> I am using Paraview 4.2.0 on a Windows 7 Computer. My question
>>  was actually if there is a bug when using it in a Python scipt and how
>> you would set up such a script because mine did not work. I realize now
>> that i could have put that information in my first mail :P
>>
>> I tried again after cleaning some code (positions were copied from the
>> Trace function etc) but still there is no difference in enabling/disabling
>> parallel projection. I do this while setting up the View
>> (CreateRenderView()).
>>
>> Thank you,
>>
>> Jonas
>
>
> I installed version 4.3.1 . My script is working now. I hate to admit it
> but from all my testing i forgot to remove one line of code that was
> constantly toggling ON parallel projection. So it did not matter if i
> toggle it in a function befor because it got resettet al the time...
>
> I also testet it with version 4.2.0 and it does work.
>
> Sorry for wasting some of your time by this mistake of mine. And thank you
> for your effort Cory.
>
>
> Jonas
>
>
> PS. since i know how helpful these emails can be in the future, here the
> code to toggle parallel projection:
>
> (assuming my_view is an object created by 'my_view = CreateRenderView()')
>
> my_view.CameraParallelProjection = 1  # 1 = parallel
> my__view.CameraParallelScale = 1.0
>
>
>
> 2015-07-16 21:33 GMT+02:00 Cory Quammen <cory.quammen at kitware.com>:
>
>> Hi Jonas,
>>
>> Please remember to CC the list so that others may benefit from and
>> contribute to the conversation.
>>
>> Could you download and try version 4.3.1 and let us know if you have
>> problems with that version?
>>
>> Thanks,
>> Cory
>>
>> On Thu, Jul 16, 2015 at 3:30 PM, Jonas Asche <asche.j at googlemail.com>
>> wrote:
>>
>>> Hello Cory,
>>> I am using Paraview 4.2.0 on a Windows 7 Computer. My question
>>>  was actually if there is a bug when using it in a Python scipt and how
>>> you would set up such a script because mine did not work. I realize now
>>> that i could have put that information in my first mail :P
>>>
>>> I tried again after cleaning some code (positions were copied from the
>>> Trace function etc) but still there is no difference in enabling/disabling
>>> parallel projection. I do this while setting up the View
>>> (CreateRenderView()).
>>>
>>> Thank you,
>>>
>>> Jonas
>>>
>>>
>>> 2015-07-15 15:59 GMT+02:00 Cory Quammen <cory.quammen at kitware.com>:
>>>
>>>> Jonas,
>>>>
>>>> What version of ParaView are you using? I am using the latest master
>>>> branch and saving a screenshot of with parallel projection seems to work
>>>> fine on this version.
>>>>
>>>> Thanks,
>>>> Cory
>>>>
>>>> On Mon, Jul 13, 2015 at 7:10 AM, Jonas Asche via ParaView <
>>>> paraview at paraview.org> wrote:
>>>>
>>>>> Hello, when i try to switch to parallel projection on in my script i
>>>>> can only save a screenshot with parallel projection disabled:
>>>>>
>>>>> self.__getView().CameraParallelProjection = 1
>>>>> self.__getView().CameraParallelScale = 1.0
>>>>> self.__getView().CameraViewUp = [0.0, 0.0, 1.0]
>>>>> self.__getView().CameraPosition = camdirection[axis]
>>>>> self.__getView().CameraFocalPoint = [0.0, 0.0, 33.32500076293945]
>>>>> self.__getView().CameraClippingRange = [154.56988142373606, 215.9545612783452]
>>>>>
>>>>> SaveScreenshot(str(self.__getConfig().get("save", "path") + 'img-') + str(axis) + "-" + str(distribution) + '.png', self.__getView())
>>>>>
>>>>> When when i print out the parallel scale AFTER savin the screenshot it is set to 46.6471043813.
>>>>>
>>>>>
>>>>> is this the same bug like here: http://paraview.org/Bug/view.php?id=7466
>>>>>
>>>>> ?
>>>>>
>>>>> Is there a workaround or am i doing something wrong?
>>>>>
>>>>> Thanks,
>>>>>
>>>>> Jonas
>>>>>
>>>>>
>>>>>
>>>>>
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>>>>> Please keep messages on-topic and check the ParaView Wiki at:
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>>>>>
>>>>>
>>>>
>>>>
>>>> --
>>>> Cory Quammen
>>>> R&D Engineer
>>>> Kitware, Inc.
>>>>
>>>
>>>
>>
>>
>> --
>> Cory Quammen
>> R&D Engineer
>> Kitware, Inc.
>>
>
>


-- 
Cory Quammen
R&D Engineer
Kitware, Inc.
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