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

Sebastien Jourdain sebastien.jourdain at kitware.com
Mon Dec 2 12:59:24 EST 2013


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>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>> 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
> >
> >     SimScale GmbH
> >     Lichtenbergstraße 8
> >     85748 Garching bei München
> >
> >     Phone: +49 (0)89 3398 4078 <tel:%2B49%20%280%2989%203398%204078>
> >     Email: bdaqui at simscale.de <mailto:bdaqui at simscale.de>
> >
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> >
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