[Paraview] ParaviewWeb 4 - WebGL renderer camera reset and background issue

[Bogdan Daqui Herrera]

Ah, that should be it. Mine is around 3-4 weeks old. I will recompile it
in its entirety, but as a starting point for this particular isue, what
needs to be recompiled, or is it just the javascripts that need to be
updated?

Bogdan

On 02.12.2013 18:59, Sebastien Jourdain wrote:
> Hum,
> 
> that should work then.
> I've fixed it a week or 2 ago. Are you using the latest ParaView/master
> from git?
> 
> Seb
> 
> 
> 
> On Mon, Dec 2, 2013 at 10:37 AM, Bogdan Daqui Herrera
> <bdaqui at simscale.de <mailto:bdaqui at simscale.de>> wrote:
> 
>     Hi Seb,
> 
>     I have located the file and key where the value should, I assume, be set
>     on the web deployment: vtkweb-all.js.
> 
>     The key value combination seem to be in:
>     DEFAULT_OPTIONS = {
>             keepServerInSynch: true
>     }
> 
>     which I have set to true. In the web-browser, after deleting the cache,
>     I can see this is the current key-value combination, however
>     synchronisation is not completed. I tried placing the key-value in
>     quotes as well, without any effect.
> 
>     I am switching the WebGL renderer on with
>     pv.viewport.setActiveRenderer("webgl");
> 
>     Should this be enough or I am still missing some configuration values?
> 
>     The vtkweb.viewport.webgl.js itself is in the ParaView sources under:
>     src/VTK/Web/JavaScript/Lib/vtkweb.viewport.webgl.js, but its contents is
>     also in vtkweb-all.js, which is deployed for the web-app as well as in
>     the different examples.
> 
>     Kind Regards,
>     Bogdan
> 
> 
>     On 02.12.2013 17:56, Sebastien Jourdain wrote:
>     > Hi Bogdan,
>     >
>     > To fix the issue #1, you just need to add a property at the
>     construction
>     > of the viewport in order to keep client and server in synch.
>     > I don't remember the key/value pair but if you look inside the
>     > xxx.webgl.js, you should find out.
>     > Moreover, once the JS documentation get regenerated after the next
>     > gatekeeper review, this will be well described.
>     >
>     > For the #2, this is definitely a new bug that will need to be
>     addressed.
>     >
>     > Thanks for your feedback,
>     >
>     > Seb
>     >
>     >
>     > On Mon, Dec 2, 2013 at 2:51 AM, Bogdan Daqui Herrera
>     <bdaqui at simscale.de <mailto:bdaqui at simscale.de>
>     > <mailto:bdaqui at simscale.de <mailto:bdaqui at simscale.de>>> wrote:
>     >
>     >     Hello all,
>     >
>     >     I have run into a couple of issues while using the WebGL
>     renderer in
>     >     ParaviewWeb 4. Could you help me out with some pointers or
>     possible
>     >     workarounds for these problems.
>     >
>     >     1. Camera View being reset
>     >     The camera orientation and position are always being reset after
>     >     performing different operations, such as:
>     >     -Activating/De-activating the scalarbar
>     >     -Choosing between point/face data for the ColorBy selection
>     >     -Adding a filter into the current pipeline
>     >     -Rescaling
>     >     -advancing to the next file/time-step in the Data Source.
>     >
>     >     2. Background other than black
>     >     This happens when a background of a different colour, for
>     example a
>     >     gradient of white and grey is chosen. If I alter the camera
>     position or
>     >     orientation, this background (which is in this case
>     represented by a
>     >     rectangle with the selected colours) can move out of the
>     field-of view,
>     >     it does not stay in a fixed position relative to the camera
>     meaning the
>     >     black regular background is in most part visible.
>     >
>     >     Both issues happen only when using the WebGL renderer. When
>     switching to
>     >     the software renderer, the behaviour is as expected.
>     >
>     >     Kind Regards,
>     >     Bogdan
>     >
>     >     --
>     >     Bogdan Daqui
>     >     Software Development
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>     >     Email: bdaqui at simscale.de <mailto:bdaqui at simscale.de>
>     <mailto:bdaqui at simscale.de <mailto:bdaqui at simscale.de>>
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