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Re: [vox-tech] opengl: lines and points
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Re: [vox-tech] opengl: lines and points



On Sun, 30 Jan 2005 00:49:56 -0500
p@dirac.org (Peter Jay Salzman) wrote:

> Hola,
> 
> These are some really embarrassing questions, but I've been stumped
> for a while on this.
> 
> I've already written the requisite spinning cube.  I've even texture
> mapped it.  I've written a "flight simulator" that lets you fly around
> a teapot.
> 
> But there are 3 really basic questions I'm at a complete loss at.
> 
> 
> 1. The only point size that appears to be available is the default
> pointsize
>    of 1, whether I'm dealing with AA or not AA points.  I've verified
>    this with glGetFloatv() and GL_POINT_SIZE_RANGE.
> 
>    If there are any GL programmers out there, I'm curious what point
>    size ranges you have available on your system.

The GL_POINT_SIZE_RANGE on my nVidia Corporation NV18 [GeForce4 MX 440
AGP 8x] is 0.000000 to 63.375000. This is probably system-dependant.

What graphics card are you using?

> 2. Same problems with lines.  It appears that the only available width
> is
>    1.  I can make them thicker by drawing lines next to each other,
>    but the only width available on my system, both AA and non-AA, is
>    1.  Again, I'm curious what other people have available to them.

I don't know how to get this information.

--Ken Bloom

-- 
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See http://www.gnupg.org/ for info about these digital signatures.

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