[PD] change pixel color value...
Jack
jack at rybn.org
Wed Sep 1 15:17:40 CEST 2010
Another faster way is to use shaders.
Start with the first example in 10.GLSL.
++
Jack
Le mercredi 01 septembre 2010 à 03:23 -0700, Diego Azar a écrit :
> Hi IOhannes,
>
> Thanks for the quick response, I need to change some pixels gray
> values after an pix_data analisis. I might try to use a rectangle with
> a translateXYZ, or something like that.
>
> Diego.
>
> --- On Wed, 9/1/10, IOhannes m zmoelnig <zmoelnig at iem.at> wrote:
> From: IOhannes m zmoelnig <zmoelnig at iem.at>
> Subject: Re: [PD] change pixel color value...
> To: "Diego Azar" <dazar_uy at yahoo.com>
> Cc: "PD List" <pd-list at iem.at>
> Date: Wednesday, September 1, 2010, 8:22 AM
>
> On 2010-09-01 03:33, Diego Azar wrote:
> > Hi list,
> >
> > Does anybody know of a Gem objets that let you change the
> gray or color value of a certain pixel in the Gem window? I
> mean, something like change de pixel x=310, y =200 to gray=0.5
> >
>
> [pix_rectangle] could be used for that, if you are sure that
> you really
> want to modify the pixes (a faster way would be to place some
> properly
> sized geo on top of the texture, but of course this might not
> be exactly
> what you need)
>
> fgmkasdr
> IOhannes
>
>
>
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