[Paraview] Paraview Webgl Scene

[Sebastien Jourdain]

Hi Paul,

I'm not sure the Alpha is supported in our current implementation.

Seb


On Mon, Oct 21, 2013 at 2:49 PM, Paul Graham <meteorpaul at gmail.com> wrote:

> Hi Sebastien,
>
> Thanks for your instructions, they were very helpful.  I basically changed
> drawScene() to render just one scene in the cache (rather than all of them)
> and the animation is working.
>
> Now I have to try and figure out why the alpha levels are not working.
>
> Paul
>
>
>
>
>
> On 21 October 2013 11:59, Sebastien Jourdain <
> sebastien.jourdain at kitware.com> wrote:
>
>> As far a I remember, this.objects is only the cache of all possible
>> objects that can compose the scene.
>> To create an animation, you first need all your objects in the cache and
>> then you need to update the scene to only pick the objects that are part of
>> the scene for a given time step.
>>
>> Hopefully that will help you out.
>>
>> Seb
>>
>>
>>
>> On Sat, Oct 19, 2013 at 10:17 PM, Paul Graham <meteorpaul at gmail.com>wrote:
>>
>>> Hi Sebastien,
>>>
>>> I attempted to setup a basic animation as proof of concept by creating
>>> an array of scenes and then, in 'drawScene()', updating
>>> 'this.objects[scenelayer].data = newdata', where scenelayer is one
>>> component of the static scene and 'newdata' is a base64 decoded string from
>>> the array of scenes.
>>>
>>> Unfortunately, thus far I have not been successful in getting the scene
>>> to update.  I wonder if it might be an object scoping issue with
>>> 'this.objects'.
>>>
>>> Any ideas as to what might be the best approach?
>>>
>>> Thanks,
>>>
>>> Paul
>>>
>>>
>>>
>>> On 17 October 2013 07:17, Sebastien Jourdain <
>>> sebastien.jourdain at kitware.com> wrote:
>>>
>>>> Yes you got it.
>>>> It is exactly that, providing all the objects needed with all the time
>>>> steps and just then a list of scene graph for each time step. Then just
>>>> switching from one scene to another.
>>>>
>>>> Seb
>>>>
>>>>
>>>> On Wed, Oct 16, 2013 at 3:57 AM, Paul Graham <meteorpaul at gmail.com>wrote:
>>>>
>>>>> Hi Seb,
>>>>>
>>>>> Thanks for your reply.  I have to say the Webgl scene export is
>>>>> excellent, even as simple as it is at the present time.  I hope it will be
>>>>> developed further.
>>>>>
>>>>> Unfortunately I cannot see the axes in the exported Webgl scene,
>>>>> though they appear in Paraview.
>>>>>
>>>>> I am still interested in animating the scene and have been delving
>>>>> into the code.  As far as I can tell, at least simplistically, I would have
>>>>> to update the 'objects' array at regular intervals to get a basic
>>>>> animation.  My plan is to take the relevant base64 scene files and somehow
>>>>> incorporate them into an animation (hopefully!).
>>>>>
>>>>> Cheers,
>>>>>
>>>>> Paul
>>>>>
>>>>>
>>>>>
>>>>> On 16 October 2013 14:38, Sebastien Jourdain <
>>>>> sebastien.jourdain at kitware.com> wrote:
>>>>>
>>>>>> Hi Paul,
>>>>>>
>>>>>> the WebGL exporter is very limited and just export basic geometry but
>>>>>> the exported scene should reflect what you were seeing in ParaView with no
>>>>>> animation or possible customization of the generated scene. The axes should
>>>>>> be present though if they were while exporting.
>>>>>>
>>>>>> Seb
>>>>>>
>>>>>>
>>>>>> On Sun, Oct 13, 2013 at 6:45 AM, Paul Graham <meteorpaul at gmail.com>wrote:
>>>>>>
>>>>>>> Hi Everyone,
>>>>>>>
>>>>>>> In creating and exporting a Paraview scene to Webgl, I have been
>>>>>>> unable to:
>>>>>>>
>>>>>>> i) Set opacity
>>>>>>> ii) Show axes
>>>>>>> iii) Zoom
>>>>>>> iv) Animate
>>>>>>>
>>>>>>> Does anyone know if these features are available in Paraview's Webgl
>>>>>>> feature at the present time (Oct 14, 2013) or have I overlooked something
>>>>>>> that would enable them?
>>>>>>>
>>>>>>> Thanks,
>>>>>>>
>>>>>>> Paul
>>>>>>>
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>>>>>>
>>>>>
>>>>
>>>
>>
>
>
> --
> Paul Graham
> Email: meteorpaul at gmail.com
> Mobile: 0403003784
>
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