[vtkusers] Opacity in Points representation

[David E DeMarle]

The state file was recorded in ParaView 3.14. Try in that version to see
how it works and copy the technique to 3.12 if you must use that versionfor
some reason.
On Mar 17, 2012 12:01 AM, "Sergiy Tkachuk" <serg.tk at gmail.com> wrote:

> David,
>
> When I load file *demoopacity.pvsm *attached, I have the following output in ParaView 3.12.0:
>
>
> ERROR: In ..\..\..\..\source\ParaViewCore\ServerImplementation\vtkSIProxyDefinitionManager.cxx, line 543
>
> vtkSIProxyDefinitionManager (07DF77F0): No proxy that matches: group=misc and proxy=ViewLayout were found.
>
> ERROR: In ..\..\..\..\source\ParaViewCore\ServerManager\vtkSMDeserializer.cxx, line 62
>
> vtkSMStateLoader (08D492C8): Could not create a proxy of group: misc type: ViewLayout
>
> 5000
>
> 12.75 0.0 0.0
>
> 25.5 0.0 0.0
>
> 38.25 0.0 0.0
>
> ... // a lot of points follow here
>
> 255.0 255.0 255.0
>
>
>
> Is it expected output?
>
>
> Thanks,
>
> Sergiy
>
>
> 15 марта 2012 г. 15:25 пользователь David E DeMarle <
> dave.demarle at kitware.com> написал:
>
>> Opacity in surface rendering is generally only controllable at the
>> actor level within the GUI.
>>
>> However, if your data happens to have a 4 component unsigned char
>> RGBA, and you tell ParaView to use that array as the color directly,
>> you can do it.
>>
>> The attached state file demonstrates.
>>
>> David E DeMarle
>> Kitware, Inc.
>> R&D Engineer
>> 21 Corporate Drive
>> Clifton Park, NY 12065-8662
>> Phone: 518-881-4909
>>
>>
>>
>> On Tue, Mar 13, 2012 at 1:47 AM, Sergiy Tkachuk <serg.tk at gmail.com>
>> wrote:
>> > Hi,
>> >
>> > Is it possible to change opacity when I use Points representation with
>> > colors based on data?
>> > I have it disabled.
>> > In fact I want to make points with specific value invisible.
>> >
>> > I attached screenshot to show what I mean.
>> >
>> >
>> > Thanks,
>> > Sergiy
>> >
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>
>
>
> --
> -------------------------
> С уважением,
> Сергей Ткачук
>
> serg.tk at gmail.com, t-serg at inbox.ru
>  <http://serg.tk>http://sergtk.com
> <t-serg at inbox.ru>
>
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