[Paraview] ParaView unable to adjust object opacity

[Yves Rogez]

Hi all,

I've noticed that the black box problem can come from the FXAA enabled 
in the render settings (I have the same problem with my computer & 5.4) 
but it does not explain the problem with opacity. (my graphics card is a 
GeForce GTX770M)

Yves


Le 02/07/2017 à 23:41, Yu Xiang a écrit :
>
> Thanks very much for your reply. My computer has two graphic cards: 
> Intel HD Graphics 4000 and NVIDA NVS 5400M, respectively. I switch to 
> 5.3 and no longer have those two problems.
>
> Yu
>
> *From:*David E DeMarle [mailto:dave.demarle at kitware.com]
> *Sent:* Sunday, July 2, 2017 7:10 AM
> *To:* Yu Xiang <yux1991 at gmail.com>
> *Cc:* paraview at paraview.org
> *Subject:* Re: [Paraview] ParaView unable to adjust object opacity
>
> These are most likely caused by a known bug in 5.4.0 with some 
> graphics hardware that we are trying to fix in 5.4.1. Can you let us 
> know what your gpu is? Also try 5.3 and let us know if both problems 
> work there.
>
> Thanks
>
> On Jun 30, 2017 10:51 PM, "Yu Xiang" <yux1991 at gmail.com 
> <mailto:yux1991 at gmail.com>> wrote:
>
>     Hi,
>
>     I downloaded the ParaView Binary Installers
>     (ParaView-5.4.0-Qt5-OpenGL2-Windows-64bit.exe) from
>     https://www.paraview.org/download/ and installed it on my Thinkpad
>     T430 which is running Windows 10. I was using ParaView for the
>     first time and found two things puzzling:
>
>     1.When I open ParaView, the default window looks like the
>     following. There is a small black square on the bottom left corner
>     in RenderView1 (circled in red). I couldn’t figure out why it
>     showed up there.
>
>     imap://rogezy@hermes.obs.ujf-grenoble.fr:993/fetch%3EUID%3E/aaLists/03_Paraview%3E831190?header=quotebody&part=1.1.2&filename=image001.png
>
>     2.Then I opened the first Example Visualization and selected Clip2
>     under can.ex2. When I tried to adjust the Opacity under Styling in
>     the Properties tab, any value other than 1 will make the object in
>     the RenderView1 window disappear like the following:
>
>     imap://rogezy@hermes.obs.ujf-grenoble.fr:993/fetch%3EUID%3E/aaLists/03_Paraview%3E831190?header=quotebody&part=1.1.3&filename=image002.png
>
>     I tried other examples, and similar things happened. I couldn’t
>     figure out why.
>
>     Does anybody know what might be going on and how I can fix it?
>
>     Thanks,
>
>     Yu
>
>
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-- 
Yves Rogez

*IPAG*
/Institut de Planétologie et d'Astrophysique de Grenoble /
Bat D de Physique - BP. 53 - 38041 Grenoble - FRANCE

tel : +33 (0)4 76 63 52 80
lab : +33 (0)4 76 63 57 60
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