mjbWorld program

From: "Per Willenius"
To: Martin Baker
Subject: .NET version of OpenGL
Date: 22 October 2002 13:06

Hi,

I am visiting your page www.euclideanspace.com. You write:
>I have not found a .NET version of OpenGL yet. So this means that I had to
encapsulate
>the openGL in an activeX control.

On http://csgl.sourceforge.net/ there is a .NET version.

Sincerely,

Per Willenius


From: "Martin Baker"
To: "Per Willenius"
Subject: Re: .NET version of OpenGL
Date: 22 October 2002 18:05

Hi,

Thanks for letting me know about this.

Have you used this, if so, I would be interested to hear your experience? I
would be interested to get an idea about how much overhead in using it? Is
it a wrapper for OpenGL which passes through individual OpenGL calls, or
does it hold the whole scenegraph in memory?

If it is reasonably lightweight I might be interested in using it with my
program.

Martin


From: "Per Willenius"
To: "Martin Baker"
Subject: AW: .NET version of OpenGL
Date: 23 October 2002 07:47

Hi,

> Have you used this, if so, I would be interested to hear your
> experience?

I am writing a VRML-Browser in C# and I use the OpenGLControl
from CsGL in my application window. CsGL is a wrapper for OpenGL,
but faster as i expected. I think the CsGLExamples (which can be found
at http://csgl.sourceforge.net/) is a good starting point for viewing
how to use CsGL. It is like using openGL in other Language.
Because i am in a very early state of my program i have more
problems parsing VRML properly than to display the scenegraph in
OpenGL :-(.


> I
> would be interested to get an idea about how much overhead in using it? Is
> it a wrapper for OpenGL which passes through individual OpenGL calls, or
> does it hold the whole scenegraph in memory?

As i wrote it is just a wrapper.dll. A fast Application which
uses an early version of CsGL can be found at
http://www.exocortex.org/3dengine/ .

> If it is reasonably lightweight I might be interested in using it with my
> program.

You have to use two dll's (<370 KB). The CsGL License is the
BSD License.

Sincerely,

Per Willenius

 


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