i am new to opengl , how to work opengl in ubuntu

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Operating Systems Linux Ubuntu i am new to opengl , how to work opengl in ubuntu
# 1  
Old 08-27-2009
Error i am new to opengl , how to work opengl in ubuntu


i am new to opengl, how to work openGL in ubuntu ,,

i am not getting which packages as to be install and how to install those packages.

and how to work with small programs..

Please guide me ,,, it will appriceated ...
# 2  
Old 08-28-2009
Ubuntu is really the wrong platform for programming... There's such a heavy snow of *-dev packages needed to do anything at all. You will of course need to install gcc and perhaps g++. needed libraries might begin with libgl1-mesa-dev, glutg3-dev, libglui-dev, libglut3-dev... Not having an ubuntu machine I can't say how many more would be necessary to install to stop it complaining about missing headers. Also, using SDL would be a lot easier than using OpenGL raw. It sets it up for you so you can use OpenGL raw, but in a relatively simple and platform-independent way. There are many tutorials for SDL opengl available on the internet.
# 3  
Old 08-31-2009
Hi Sir,

I worked with c programs in ubuntu for openGL,,, now im trying to execute the c++ programs for openGL ,,,, while compiling its showing error message as

root@lxdevenv:/usr/include/GL# g++ -c -I$QTDIR/include ravvv.cpp
ravvv.cpp:1:18: error: kapp.h: No such file or directory
ravvv.cpp:2:24: error: qwidget.h: No such file or directory
ravvv.cpp:3:75: error: qpainter.h: No such file or directory
ravvv.cpp:4:23: error: qimage.h: No such file or directory
ravvv.cpp:7: error: expected class-name before ‘{’ token
ravvv.cpp:8: error: expected `}' at end of input
ravvv.cpp:8: error: expected unqualified-id at end of input

and my code is

#include <kapp.h>
#include <qwidget.h>
#include <qpainter.h> // The QPainter class draws graphics on widgets.
#include <qimage.h>

class MyWindow : public QWidget
// Constructor for the window, just call the QWidget constructor
MyWindow() : QWidget() { }
void paintEvent(QPaintEvent *);

// This function is called when the window area must be updated.
// Load and view the image
void MyWindow:SmilieaintEvent(QPaintEvent *ev)
// Load the image that we want to show
QImage image;
if (image.load("test.jpg", 0)) // If the image was loaded,
{ // Show the image.
// Draw graphics in this window
QPainter paint(this);
// Draw the image we loaded on the window
paint.drawImage(0, 0, image, 0, 0,
image.width(), image.height());

int main(int argc, char **argv)
KApplication app(argc, argv)
// Create the window
MyWindow window;
window.setCaption("ImageIO Example");
return app.exec();

guide me ..it will appreciated ....
# 4  
Old 09-01-2009
It looks like you need qt-dev, or something like qt-dev.

This code will only work with qt by the way, which is wholly unnecessary for OpenGL. It's probably a bad idea in general to tie functionality that has nothing to do with a GUI into a GUI, as it will make it very hard to make the code work anywhere else. You need X and mesa and SDL; write for that and your GL code should work anywhere.

here's a better introduction I think. Took me a while to find it. SDL is nearly everywhere these days, unlike qt.

Last edited by Corona688; 09-01-2009 at 05:20 PM..
# 5  
Old 09-02-2009
Bug Installation of SDL

Hi Sir,

I installed SDL and executed the small program ,,, its executed without any error ,,

after that i downloaded SDLgears-1.0.2.tar.gz

and i did ./configured it ..
done make
after that i did ./SDLgears
I got the output ,,,

Thanking You Sir ,,,

---------- Post updated at 12:36 AM ---------- Previous update was at 12:32 AM ----------

Hi Sir,

As im new to OpenGL im not getting which are the different applications for each Features in openGL ..

if possible give me the example for different applications ,,

Thanking You,
# 6  
Old 09-02-2009
That's too broad a question for me to have a useful answer to, could you be more specific?
# 7  
Old 09-03-2009
Error what are the different applications of OpenGL

Hi Sir,

What i meant to say is what are the different applications where openGL is Used..

I need programming(c language) examples for each applications ,,,,
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