[GEM-dev] Soft edge shading

Cyrille Henry ch at chnry.net
Wed Mar 21 18:49:49 CET 2012


hello,

would it be possible to see your patch?
that would be easier to help.


Cyrille


Le 21/03/2012 18:15, Florian Grond a écrit :
> Hello Jack,
>
> 01.flat_projection-help.pd seems to work.
>
> I see either as 4 by 1 or 2 by the fractal image with decreasing intensity at the edges giving a fade into black.
>
> I looked into the guts of [flat_projection]
>
> and if I send the print message to the glsl_fragemnet and the glsl_program I get lots of info about user variable uvar#1 to uvar#4
>
> I'm usin PD extended 0.42.5
> I compiled GEM from the sources 0.93.3 (added some handmade classes)
> My GPU NVIDIA GeForce 7300 GT
>
> My screen size is 1280 * 1024
> geometry is x 3 y 1
> I would like to have an overlap of about 10 - 15 pixels
>
> In my installation I see that I get a fade into black only if I increase the overlap to very high numbers up to have the size of my x dimension. So I conclude the fade into black is just too weak.
>
> How could I change that?
>
> Thanks,
>
> Florian
>
>
>
>
>
> So I think the GPU model is ok
>
> On 3/20/12 6:51 PM, Jack wrote:
>> Le 20/03/2012 21:07, Florian Grond a écrit :
>>> Dear List,
>>>
>>> I'm currently working on a horizontal 3 screen projection (tripple
>>> head) and I'm using the multiscreen projection flat projection
>>> abstraction from Cyrille.
>>>
>>> The overlap is working nicely but I don't get the it to fade. i.e. I
>>> see a vertical stripe of overlap with higher intensity.
>>>
>>> Any help or pointer where to look for solutions very much appreciated.
>>>
>>> Cheers,
>>>
>>> Florian
>>>
>>>
>>>
>> Hello Florian,
>>
>> Can you tell us your configuration (Pd, Gem, GPU model) ?
>> Have you a problem with the example 01.flat_projection-help.pd' ?
>> ++
>>
>> Jack
>>
>>
>>
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>



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