[GEM-dev] Soft edge shading

[Florian Grond]

I have no problem sharing my patch but it depends on the classes that I 
added to the GEM sources and won't work without.
i'll try to reproduce the problem without the self made objects.

Best,

Florian


On 3/21/12 1:49 PM, Cyrille Henry wrote:
> 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
>>>
>>>
>>>
>>> _______________________________________________
>>> GEM-dev mailing list
>>> GEM-dev at iem.at
>>> http://lists.puredata.info/listinfo/gem-dev
>>

-- 
--8<-------8<-------- hier abtrennen -----8<--------8<----

F l o r i a n   G R O N D
PhD Student at Ambient Intelligence Group,
CITEC Bielefeld University, Germany
Universitaetsstrasse 21 - 23 33615 Bielefeld
Tel.: 0049 521 106 12163
http://cit-ec.org   http://grond.at

-->8------->8-------- hier abtrennen ------->8------>8----