<div dir="ltr">On Thu, Jul 4, 2013 at 11:52 AM, Peter Venus <span dir="ltr"><<a href="mailto:news@petervenus.de" target="_blank">news@petervenus.de</a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote">
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Am 04.07.13 11:47, schrieb Husk 00:<br>
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Hi Peter and list,<br>
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<br>
Hi Husk<div class="im"><br>
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I finally had time to explore extended view toolkit and it's<br>
really working well...congratulations!<br>
There is something still I miss: how the texture coordinates works.<br>
What units do<br>
they uses?<br>
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The units used for texture-coordinates are pixel.<br>
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.<br>
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.<br>
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,<br>
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.<br>
I hope this makes sense to you.<div class="im"><br></div></blockquote><div><br></div><div style>Yes, this makes sense to me. I will try that. <span class="HOEnZb"><font color="#888888"><br>
</font></span></div><div style>thanks<br></div><div style>husk</div><div style><br></div></div><br><br clear="all"><div><br></div>-- <br>"l'importante nella vita é avere pregiudizi a priori su tutto" <div>Jean-Paul-Sartre<br>
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