[PD] soft-edging with multiple projectors/GEM

[cyrille henry]

Le 21/10/2010 11:37, cyrille henry a écrit :
> hello,
>
> i don't have a ready made solution, but once you have a FB, nothing
> should be very complex.
>
> unless i miss the complex part of the problem.
>
> if i've got 5 min later tonight, i'll try to make a soft_edge shader
> that can deal with everything...
unless jack did it before me ;-)

>
> cyrille
>
>
> Le 21/10/2010 11:11, IOhannes m zmoelnig a écrit :
>> On 2010-10-21 10:45, cyrille henry wrote:
>>> hello,
>>>
>>> one solution is to render your scene in a big framebuffer.
>>> (if you use 3 screen of 1024x768, and a 100 pixel overlap, then you need
>>> a 3x1024-2x100 pixel wide framebuffer)
>>>
>>> then render this frambuffer as a texture on 3 rectangle, using
>>> pix_coordinate in order to keep only the desire part of the image.
>>> the black fade can be made with shader or texture as you prefer.
>>>
>>
>> afaik (being somewhat involved in the project), this is not really
>> peter's problem.
>> he is already rendering into a big framebuffer.
>>
>> the question is rather, whether someone has a ready-made solution for
>> displaying the image on multiple overlapping projectors, that they want
>> to share. (if it is simple enough, it could go into the Gem/examples/...
>> think of all the fame!!!!)
>>
>> the last solution we used for that (on 8 overlapping projectors), had a
>> proprietary license and could only be setup by the developers... so we
>> are looking for something more simple and open.
>>
>> fgmasdr
>> IOhannes
>>
>>
>> PS: note the slight change in wording in my email, from "peter" in the
>> beginning to "we" in the end. it's somewhat unintentional :-)
>>
>>
>>
>>
>> _______________________________________________
>> Pd-list at iem.at mailing list
>> UNSUBSCRIBE and account-management ->
>> http://lists.puredata.info/listinfo/pd-list
>
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management ->
> http://lists.puredata.info/listinfo/pd-list
>