pyopengl-users — Discussion of all PyOpenGL matters.

[PyOpenGL-Users] Virus Found in message "Delivery service mail"

[Geoffrey T. <gta...@na...>]

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[PyOpenGL-Users] Virus Found in message "Registration is accepted"

[Geoffrey T. <gta...@na...>]

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[PyOpenGL-Users] Virus Found in message "Delivery service mail"

[Geoffrey T. <gta...@na...>]

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[PyOpenGL-Users] Virus Found in message "Registration is accepted"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
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[PyOpenGL-Users] Virus Found in message "Is delivered mail"

[Geoffrey T. <gta...@na...>]

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[PyOpenGL-Users] getting the feedback buffer

[noema <mai...@sh...>]

This is driving me NUTTSS!!
no matter what I do I get a...

"Unknown vertex type in feedback buffer."

...when I try to switch back to glRenderMode(GL_RENDER).

Does anybody of you have a working example or can give me a hint to the 
problem...would really appreciate it!

_nailobe



In my draw methode I use the following code:

         glFeedbackBuffer(32768, GL_2D)
         glRenderMode(GL_FEEDBACK)

         # self._onDraw()
         glPassThrough(110)
         glBegin(GL_LINE_STRIP)
         glVertex3f(0.0, 0.0, 0.0)
         glVertex3f(1.0, 0.0, 0.0)
         glVertex3f(1.0, 1.0, 0.0)
         glVertex3f(-0.5, 1.5, 0.0)
         glVertex3f(0.0, 0.0, 0.0)
         glEnd()

         feedbackBuffer = glRenderMode(GL_RENDER)

[PyOpenGL-Users] Virus Found in message "You are made active"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
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[PyOpenGL-Users] PyOpenGL for Python 2.4?

[Andre M. <me...@ac...>]

Hi all

I am wondering whether PyOpenGL is working for Python 2.4.

There is no 2.4 specific download, so what can be done about this?

thanks for your help
Andr=E9

[PyOpenGL-Users] Virus Found in message "Is delivered mail"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
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[PyOpenGL-Users] Virus Found in message "You are made active"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
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[PyOpenGL-Users] Virus Found in message "You are made active"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
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[PyOpenGL-Users] Virus Found in message "Delivery service mail"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
Geoffrey Talvola.

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[PyOpenGL-Users] Virus Found in message "You are made active"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
Geoffrey Talvola.

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[PyOpenGL-Users] Virus Found in message "Delivery by mail"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
Geoffrey Talvola.

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[PyOpenGL-Users] Virus Found in message "Is delivered mail"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
Geoffrey Talvola.

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[PyOpenGL-Users] Virus Found in message "Is delivered mail"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
Geoffrey Talvola.

To ensure the recipient(s) are able to use the files you sent, perform a
virus scan on your computer, clean any infected files, then resend this
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[PyOpenGL-Users] Virus Found in message "Delivery by mail"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
Geoffrey Talvola.

To ensure the recipient(s) are able to use the files you sent, perform a
virus scan on your computer, clean any infected files, then resend this
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[PyOpenGL-Users] Virus Found in message "Registration is accepted"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
Geoffrey Talvola.

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Re: [PyOpenGL-Users] DrawArrays for a bunch of (unconnected) lines]

[Philippe S. <ph...@ph...>]

On Sun, Jan 30, 2005 at 07:10:49PM -0500, Mike C. Fletcher wrote:

You're right, it's the way I was building the data set.
I was building [(x1, y1, x2, y2), (....)] and now that
I use [(x1, y1), (x2, y2), ...] it works as expected.

I take any doco about the data type that should be used
with pyopengl functions, there's plenty of opengl doco around,
but few running examples of glDrawXXX usage with a lot of
different data sets. In case you have some pointer.. 

thanks!

> This would be much easier to debug with example code I could run. 
> However, it looks as though the second problem may be related to using a 
> list instead of a string or array with the glVertexPointer variant. That 
> should probably either work or raise a TypeError rather than silently 
> failing.
> 
> That doesn't explain the problems with the grid, but that looks more 
> like a data issue. You should be aware that you're defining points in 4 
> dimensions, not 2. That is, the points are x1,y1,z1,w1 as you are 
> passing the parameters into glVertexPointer, not x1,y1,x2,y2, if you've 
> defined them as though they were pairs of 2-coordinate points then the 
> result will likely be dots rather than lines that are way off in the 
> middle of nowhere.
> 
> Feel free to forward a running example to me. I'll try to get to looking 
> at it sometime this week.
> 
> Good luck,
> Mike

Re: [PyOpenGL-Users] DrawArrays for a bunch of (unconnected) lines

[Mike C. F. <mcf...@ro...>]

This would be much easier to debug with example code I could run. 
However, it looks as though the second problem may be related to using a 
list instead of a string or array with the glVertexPointer variant. That 
should probably either work or raise a TypeError rather than silently 
failing.

That doesn't explain the problems with the grid, but that looks more 
like a data issue. You should be aware that you're defining points in 4 
dimensions, not 2. That is, the points are x1,y1,z1,w1 as you are 
passing the parameters into glVertexPointer, not x1,y1,x2,y2, if you've 
defined them as though they were pairs of 2-coordinate points then the 
result will likely be dots rather than lines that are way off in the 
middle of nowhere.

Feel free to forward a running example to me. I'll try to get to looking 
at it sometime this week.

Good luck,
Mike

Philippe Strauss wrote:

>Hello,
>
>I'm playing with opengl for a tiny chart ploting application,
>and facing the following problem:
>
>the line representing the data is displayed, but I cannot
>get the horizontal and vertical grid to be displayed.
>  
>
...

>        glColor(0.8, 0.8, 0.8, 0.0)
>        glVertexPointerd(self.gridH)
>        glDrawArrays(GL_LINES, 1, len(self.gridH))
>        glVertexPointer(4, GL_DOUBLE, 0, self.gridV)
>  
>
You probably meant 2, not 4, here

>        glDrawArrays(GL_LINES, 1, len(self.gridV))
>        glColor(0.65, 1.0, 1.0, 0.0)
>        #glVertexPointer(2, GL_DOUBLE, 0, self.points)
>        glVertexPointerd(self.points)
>        glDrawArrays(GL_LINE_STRIP, 1, self.N/2)
>        pygame.display.flip()
>
>self.gridH and gridV are list of 4 elements tuple [(xa0, ya0, xa1, ya1), ...]
>self.points is a simple list.
>
>Also, if I replace glVertexPointerd(self.points) with the line just above it,
>nothing is displayed.
>
>I'm a newbie, someone can probably help me!
>
>thanks.
>  
>
________________________________________________
  Mike C. Fletcher
  Designer, VR Plumber, Coder
  http://www.vrplumber.com
  http://blog.vrplumber.com

[PyOpenGL-Users] DrawArrays for a bunch of (unconnected) lines

[Philippe S. <ph...@ph...>]

Hello,

I'm playing with opengl for a tiny chart ploting application,
and facing the following problem:

the line representing the data is displayed, but I cannot
get the horizontal and vertical grid to be displayed.

initialization:

        pygame.init()
        self.surface = pygame.display.set_mode((self.width, self.height), OPENGL|DOUBLEBUF)
        glClearColor(0.0, 0.0, 0.0, 0.0)
        glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT)
        glOrtho(0, 1, 0, 1, 0, 1)
        glEnableClientState(GL_VERTEX_ARRAY)
        glDisable(GL_LIGHTING)

data drawing loop:

        glColor(0.8, 0.8, 0.8, 0.0)
        glVertexPointerd(self.gridH)
        glDrawArrays(GL_LINES, 1, len(self.gridH))
        glVertexPointer(4, GL_DOUBLE, 0, self.gridV)
        glDrawArrays(GL_LINES, 1, len(self.gridV))
        glColor(0.65, 1.0, 1.0, 0.0)
        #glVertexPointer(2, GL_DOUBLE, 0, self.points)
        glVertexPointerd(self.points)
        glDrawArrays(GL_LINE_STRIP, 1, self.N/2)
        pygame.display.flip()

self.gridH and gridV are list of 4 elements tuple [(xa0, ya0, xa1, ya1), ...]
self.points is a simple list.

Also, if I replace glVertexPointerd(self.points) with the line just above it,
nothing is displayed.

I'm a newbie, someone can probably help me!

thanks.

[PyOpenGL-Users] Virus Found in message "You are made active"

[Geoffrey T. <gta...@na...>]

Norton AntiVirus found a virus in an attachment you (Pyopengl-users) sent to
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[PyOpenGL-Users] simple OSC for python

[altern <en...@al...>]

hi

We think this could be of interest for people doing crazy multimedia 
stuff with openGL.
We have been developing a set of
modules to make OSC.py (Open Sound Control) by Daniel Holtz easier to 
use. It is called
SimpleOSC and it can be downloaded from
www.ixi-software.net/content/body_backyard_code.html

We developed it for our own use and to help teaching how to use OSC in
python during workshops we give at universities and institutions.

It is not rocket science but we are sure it will help some people
getting into OSC in python, this is why we thought about releasing it.

For example i am using it to communicate PyopenGL based graphics 
interface to a sound engine based on Pure Data.

best

-- 
enrike

[PyOpenGL-Users] glutFullScreen and window size

[altern <en...@al...>]

hi

i am doing fullscreen graphics with glutFullScreen(), after this i need
to get the size of the window and i do
size = glutGet(GLUT_WINDOW_WIDTH), glutGet(GLUT_WINDOW_HEIGHT)

but i get something like (300,300) while it should be (1024, 768) as far
as i understand. Or does the full screen disables the window width and
height.

I need to be able to get somewhere those properties of the window but i
cannot find how to do it.

any tips about this?




-- 
enrike

[PyOpenGL-Users] OpenGL 2 (was 'Lost some GLUT functions?')

[Simon W. <sim...@gm...>]

> why GLUT development is stopped in 2001? Do you think is abandoned project?
> when (about) pyopenGL will support openGL2 ?

I'm a bit confused about what comes first, OpenGL 2 video card
drivers, or an OpenGL 2 implementation. OpenGL works fine on systems
without OpenGL video drivers, due to a software implementation of
OpenGL.

So, I'm not really sure what has to happen before OpenGL 2 becomes
commonly available...

Sw.