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Type: Posts; User: jcurru

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    I got it! The trick is using...

    I got it!

    The trick is using glMatrixMode(GL_TEXTURE)

    Thanks a lot!
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    Thanks, sevenfold, for your answer. I'll explain...

    Thanks, sevenfold, for your answer. I'll explain myself better: I need very thick lines, so I cannot use glLineWidth nor stippling. Therefore, I build the tri-strip geometry and I render it mapping a...
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    Thick dashed lines

    Hello!

    I'm writing a function that draws thick dashed lines with OpenGL. After great efforts I have ensured that the geometry of the texture suits well to the line (drawn with triangle strips).
    ...
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    Carsten newmann: Thanks for your reply. The line...

    Carsten newmann: Thanks for your reply. The line stippling is not useful because lines can appear very very wide in the screen when the user zooms in. And OpenGL lines, as you know, have a maximum...
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    Ups, isn't the title editable?. I meant "thick",...

    Ups, isn't the title editable?. I meant "thick", of course ;-)
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    Dashed thic lines

    Hello!

    I've benn googling for months but I finally surrender.
    Maybe someone here can help me.
    I'm writing a GIS (Geographic Information System). Therefore, I have to render complicated maps.
    ...
  7. Change transparency for RGBA texture on the fly

    Hello!

    This is my first post here.
    So hello all!

    Well, this is my problem: I have a RGBA texture loaded in memory. His transparent pixels (alpha 0) do not show, and the others do show, as it...
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