On Thu, Jul 4, 2013 at 11:52 AM, Peter Venus <n...@petervenus.de> wrote:
> > > Am 04.07.13 11:47, schrieb Husk 00: > >> Hi Peter and list, >> > > Hi Husk > > > I finally had time to explore extended view toolkit and it's >> really working well...congratulations! >> There is something still I miss: how the texture coordinates works. >> What units do >> they uses? >> > The units used for texture-coordinates are pixel. > As you can see in the example you mentioned, all 3 projection modules get > their texture information via the (texture id)-outlet from the > framebuffer-abstraction. > Now, the framebuffer愀 size is given in pixel, here 1024 by 1024, so if you > want a projection-module dispplay the whole framebuffer, its > texture-coordinates should range from 0 to 1024 to display the whole > content of the framebuffer. > If you now introduce a second projection-module and you want both > displaying a portion of the framebuffer, say, one should display the left > half, the other the right half of the whole framebuffer, > you have to set the texture-coordinates ranging from 0 to 512(x) for the > left half, and to 512 to 1024 for the right half of the framebuffer. > I hope this makes sense to you. > > Yes, this makes sense to me. I will try that. thanks husk -- "l'importante nella vita é avere pregiudizi a priori su tutto" Jean-Paul-Sartre www.estereotips.net
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