gl4java-usergroup

Re: [gl4java-usergroup] pb with loading of matrix

[Tobias L. G. <tg...@ul...>]

-- DjiZ -- wrote:

>hi all, here is my problem, i hope someone can help me :
>here is the code i use before using the gluUnProject method : 
>
>int[] viewport=new int[4]; 
>gl.glGetIntegerv(gl.GL_VIEWPORT,viewport); 
>double[] proj=new double[16]; 
>gl.glGetDoublev(gl.GL_PROJECTION_MATRIX,proj); 
>double[] model=new double[16]; 
>gl.glGetDoublev(gl.GL_MODELVIEW_MATRIX,model); 
>
>but after this my tables are still filled with '0'  
>could you help me ? 
>
>
>-------------------------------------------------------
>This SF.net email is sponsored by: IBM Linux Tutorials.
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[gl4java-usergroup] pb with loading of matrix

[-- D. -- <dj...@wa...>]

hi all, here is my problem, i hope someone can help me :
here is the code i use before using the gluUnProject method : 

int[] viewport=new int[4]; 
gl.glGetIntegerv(gl.GL_VIEWPORT,viewport); 
double[] proj=new double[16]; 
gl.glGetDoublev(gl.GL_PROJECTION_MATRIX,proj); 
double[] model=new double[16]; 
gl.glGetDoublev(gl.GL_MODELVIEW_MATRIX,model); 

but after this my tables are still filled with '0'  
could you help me ? 

[gl4java-usergroup] strange pb :-(

[-- D. -- <dj...@wa...>]

hi all, here is my problem, i hope someone can help me :
here is the code i use before using the gluUnProject method : 

int[] viewport=new int[4]; 
gl.glGetIntegerv(gl.GL_VIEWPORT,viewport); 
double[] proj=new double[16]; 
gl.glGetDoublev(gl.GL_PROJECTION_MATRIX,proj); 
double[] model=new double[16]; 
gl.glGetDoublev(gl.GL_MODELVIEW_MATRIX,model); 

but after this my tables are still filled with '0'  
could you help me ? (please answer to dj...@wa... ) 

[gl4java-usergroup] Bill K is out of the office.

[William J K. <WK...@th...>]

I will be out of the office starting  12/22/2003 and will not return until
01/05/2004.

I will be out of the office until 5 January. I can be reached by UK mobile
or US mobile during this time.

Bill K

Re: [gl4java-usergroup] gl4java for Mac OS X 10.3

[Pepijn V. E. <pep...@lu...>]

If your interested in OpenGL programming in Java I would recommend you =20=

to use Jogl (http://jogl.dev.java.net) instead of GL4Java since GL4Java =20=

is not being maintained anymore.

Pepijn

On 27 Dec 2003, at 16:12, Jost Lemke wrote:

> Hello,
> I installed gl4java (for Jaguar) on my machine (G4, Panther) but the =20=

> GlassCube-program does not work (I saw that cube but the Software =20
> collapsed). It is possible to compile the current sourcecode provided =20=

> by
>
> http://homepage.mac.com/gziemski/.cv/gziemski/Public/gl4java/=20
> for%20Mac%20OS%20X/Jaguar/GL4Java.src.tgz-link.tgz
>
> ?
>
> console.log:
> ---
> console.log:
>
>   Gr=F6=DFe:	2.38 KB
>   Zuletzt ge=E4ndert:	27.12.03 15:58
>   Ort:	/Library/Logs/Console/jost/console.log
>   Inhalt:	Mac OS X Version 10.3.2 (Build 7D24)
> 2003-12-27 15:40:47 +0100
> 2003-12-27 15:41:35.518 Mail[386] Loaded GPGMail 1.0.1 (v33, 10.3)
> java.lang.UnsatisfiedLinkError: unlockJAWT
> 	at gl4java.GLContext.unlockJAWT(Native Method)
> 	at gl4java.GLContext.gljFree(GLContext.java:2827)
> 	at gl4java.GLContext.gljFree(GLContext.java:2746)
> 	at GlassCube$renderCanvas.display(GlassCube.java:510)
> 	at gl4java.awt.GLCanvas.sDisplay(GLCanvas.java:746)
> 	at gl4java.awt.GLAnimCanvas.run(GLAnimCanvas.java:466)
> 	at java.lang.Thread.run(Thread.java:491)
> java.lang.UnsatisfiedLinkError: unlockJAWT
> 	at gl4java.GLContext.unlockJAWT(Native Method)
> 	at gl4java.GLContext.gljFree(GLContext.java:2827)
> 	at gl4java.GLContext.gljFree(GLContext.java:2746)
> 	at GlassCube$renderCanvas.display(GlassCube.java:510)
> 	at gl4java.awt.GLCanvas.sDisplay(GLCanvas.java:746)
> 	at gl4java.awt.GLAnimCanvas.run(GLAnimCanvas.java:466)
> 	at java.lang.Thread.run(Thread.java:491)
> java.lang.UnsatisfiedLinkError: unlockJAWT
> 	at gl4java.GLContext.unlockJAWT(Native Method)
> 	at gl4java.GLContext.gljFree(GLContext.java:2827)
> 	at gl4java.GLContext.gljFree(GLContext.java:2746)
> 	at GlassCube$renderCanvas.display(GlassCube.java:510)
> 	at gl4java.awt.GLCanvas.sDisplay(GLCanvas.java:746)
> 	at gl4java.awt.GLAnimCanvas.run(GLAnimCanvas.java:466)
> 	at java.lang.Thread.run(Thread.java:491)
> java.lang.UnsatisfiedLinkError: unlockJAWT
> 	at gl4java.GLContext.unlockJAWT(Native Method)
> 	at gl4java.GLContext.gljFree(GLContext.java:2827)
> 	at gl4java.GLContext.gljFree(GLContext.java:2746)
> 	at GlassCube$renderCanvas.display(GlassCube.java:510)
> 	at gl4java.awt.GLCanvas.sDisplay(GLCanvas.java:746)
> 	at gl4java.awt.GLAnimCanvas.run(GLAnimCanvas.java:466)
> 	at java.lang.Thread.run(Thread.java:491)
>
> XFree86 Version 4.3.0 / X Window System
> (protocol Version 11, revision 0, vendor release 6600)
> [DRI] screen 0 installation complete
> Screen 0 added: 1280x854 @ (0,0)
> Quitting XDarwin...
> java.lang.UnsatisfiedLinkError: unlockJAWT
> 	at gl4java.GLContext.unlockJAWT(Native Method)
> 	at gl4java.GLContext.gljFree(GLContext.java:2827)
> 	at gl4java.GLContext.gljFree(GLContext.java:2746)
> 	at GlassCube$renderCanvas.display(GlassCube.java:510)
> 	at gl4java.awt.GLCanvas.sDisplay(GLCanvas.java:746)
> 	at gl4java.awt.GLAnimCanvas.run(GLAnimCanvas.java:466)
> 	at java.lang.Thread.run(Thread.java:491)
> 2003-12-27 15:58:35.902 Safari[387] Error restoring window from dock: =20=

> -4960
>
> ---
>
>
> greets and a happy new year, Jost Lemke
> --=20
> Jost Lemke <j....@nw...> <jos...@tu...>
> http://ag-lemke.de
>
> GPG-Key available via KeyServer
>
>
>
> -------------------------------------------------------
> This SF.net email is sponsored by: IBM Linux Tutorials.
> Become an expert in LINUX or just sharpen your skills.  Sign up for =20=

> IBM's
> Free Linux Tutorials.  Learn everything from the bash shell to sys =20
> admin.
> Click now! http://ads.osdn.com/?ad_id=1278&alloc_id371&op=3Dclick
> _______________________________________________
> gl4java-usergroup mailing list
> gl4...@li...
> https://lists.sourceforge.net/lists/listinfo/gl4java-usergroup
>

[gl4java-usergroup] gl4java for Mac OS X 10.3

[Jost L. <jos...@tu...>]

Hello,
I installed gl4java (for Jaguar) on my machine (G4, Panther) but the =20
GlassCube-program does not work (I saw that cube but the Software =20
collapsed). It is possible to compile the current sourcecode provided =20=

by

http://homepage.mac.com/gziemski/.cv/gziemski/Public/gl4java/=20
for%20Mac%20OS%20X/Jaguar/GL4Java.src.tgz-link.tgz

?

console.log:
---
console.log:

   Gr=F6=DFe:	2.38 KB
   Zuletzt ge=E4ndert:	27.12.03 15:58
   Ort:	/Library/Logs/Console/jost/console.log
   Inhalt:	Mac OS X Version 10.3.2 (Build 7D24)
2003-12-27 15:40:47 +0100
2003-12-27 15:41:35.518 Mail[386] Loaded GPGMail 1.0.1 (v33, 10.3)
java.lang.UnsatisfiedLinkError: unlockJAWT
	at gl4java.GLContext.unlockJAWT(Native Method)
	at gl4java.GLContext.gljFree(GLContext.java:2827)
	at gl4java.GLContext.gljFree(GLContext.java:2746)
	at GlassCube$renderCanvas.display(GlassCube.java:510)
	at gl4java.awt.GLCanvas.sDisplay(GLCanvas.java:746)
	at gl4java.awt.GLAnimCanvas.run(GLAnimCanvas.java:466)
	at java.lang.Thread.run(Thread.java:491)
java.lang.UnsatisfiedLinkError: unlockJAWT
	at gl4java.GLContext.unlockJAWT(Native Method)
	at gl4java.GLContext.gljFree(GLContext.java:2827)
	at gl4java.GLContext.gljFree(GLContext.java:2746)
	at GlassCube$renderCanvas.display(GlassCube.java:510)
	at gl4java.awt.GLCanvas.sDisplay(GLCanvas.java:746)
	at gl4java.awt.GLAnimCanvas.run(GLAnimCanvas.java:466)
	at java.lang.Thread.run(Thread.java:491)
java.lang.UnsatisfiedLinkError: unlockJAWT
	at gl4java.GLContext.unlockJAWT(Native Method)
	at gl4java.GLContext.gljFree(GLContext.java:2827)
	at gl4java.GLContext.gljFree(GLContext.java:2746)
	at GlassCube$renderCanvas.display(GlassCube.java:510)
	at gl4java.awt.GLCanvas.sDisplay(GLCanvas.java:746)
	at gl4java.awt.GLAnimCanvas.run(GLAnimCanvas.java:466)
	at java.lang.Thread.run(Thread.java:491)
java.lang.UnsatisfiedLinkError: unlockJAWT
	at gl4java.GLContext.unlockJAWT(Native Method)
	at gl4java.GLContext.gljFree(GLContext.java:2827)
	at gl4java.GLContext.gljFree(GLContext.java:2746)
	at GlassCube$renderCanvas.display(GlassCube.java:510)
	at gl4java.awt.GLCanvas.sDisplay(GLCanvas.java:746)
	at gl4java.awt.GLAnimCanvas.run(GLAnimCanvas.java:466)
	at java.lang.Thread.run(Thread.java:491)

XFree86 Version 4.3.0 / X Window System
(protocol Version 11, revision 0, vendor release 6600)
[DRI] screen 0 installation complete
Screen 0 added: 1280x854 @ (0,0)
Quitting XDarwin...
java.lang.UnsatisfiedLinkError: unlockJAWT
	at gl4java.GLContext.unlockJAWT(Native Method)
	at gl4java.GLContext.gljFree(GLContext.java:2827)
	at gl4java.GLContext.gljFree(GLContext.java:2746)
	at GlassCube$renderCanvas.display(GlassCube.java:510)
	at gl4java.awt.GLCanvas.sDisplay(GLCanvas.java:746)
	at gl4java.awt.GLAnimCanvas.run(GLAnimCanvas.java:466)
	at java.lang.Thread.run(Thread.java:491)
2003-12-27 15:58:35.902 Safari[387] Error restoring window from dock: =20=

-4960

---


greets and a happy new year, Jost Lemke
--=20
Jost Lemke <j....@nw...> <jos...@tu...>
http://ag-lemke.de

GPG-Key available via KeyServer

[gl4java-usergroup] Re: 1. Re: urgent help about glReadPixels :( (Heiko Enderling)

[jim h. <jh...@33...>]

(taken from digest)
In my experience you must read the pixels in the thread which created the context, although I'm there may be a way around that.

Do you get any error messages, exceptions? have you called check on the context to see if there are any OpenGL errors?

Try turning debugging on for the contect - it's a static boolean, it'll give you more info on what's going on that way.

Hope this is of some help.
Jim

Today's Topics:
   1. Re: urgent help about glReadPixels :( (Heiko Enderling)

> Hi everyone,
>
> i couldnt read the point of pixels:(And i have little time to complete my image process thesis. Could any one help me?
>
>   i wrote this, but nothing happened including error:(
>
>    int pixels[];
>   pixels = new int[3];
>   System.out.println("Okuyacagi Yer"+x+"  "+y);
>   gl.glReadPixels(x,y,1,1,GL_RGB,GL_UNSIGNED_BYTE, pixels);
>
> byes
>



_____________________________________________________________
FREE email and FREE resources at http://333.org

Re: [gl4java-usergroup] urgent help about glReadPixels :(

[Heiko E. <ma...@he...>]

Have you tried to make the context current ?

glj.gljMakeCurrent();
gl.glReadPixels...
glj.gljFree();

Heiko

On Sat, 6 Dec 2003, Ali wrote:

> Hi everyone,
>
> i couldnt read the point of pixels:(And i have little time to complete my image process thesis. Could any one help me?
>
>   i wrote this, but nothing happened including error:(
>
>    int pixels[];
>   pixels = new int[3];
>   System.out.println("Okuyacagi Yer"+x+"  "+y);
>   gl.glReadPixels(x,y,1,1,GL_RGB,GL_UNSIGNED_BYTE, pixels);
>
> byes
>
>
> ---------------------------------
> Do you Yahoo!?
> New Yahoo! Photos - easier uploading and sharing

[gl4java-usergroup] urgent help about glReadPixels :(

[Ali <mat...@ya...>]

Hi everyone,
 
i couldnt read the point of pixels:(And i have little time to complete my image process thesis. Could any one help me?
 
  i wrote this, but nothing happened including error:(
 
   int pixels[];
  pixels = new int[3];
  System.out.println("Okuyacagi Yer"+x+"  "+y);
  gl.glReadPixels(x,y,1,1,GL_RGB,GL_UNSIGNED_BYTE, pixels);
 
byes


---------------------------------
Do you Yahoo!?
New Yahoo! Photos - easier uploading and sharing

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[gl4java-usergroup] Bill K is out of the office.

[William J K. <WK...@th...>]

I will be out of the office starting  11/24/2003 and will not return until
12/01/2003.

I will be out of the office until 1 December. I can be reached by mobile
during this time.

Bill K

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[gl4java-usergroup] where to compile display lists?

[jim h. <jh...@33...>]

Sorry this message 1st apeared in the gl4java.sourceforge forums - didn't see the (obvious) use the mailing list!

If I compile a display list in init() it works fine, but if I do it during the call to display() I can use it during that call but it is gone by the next one!

so in display() I have:

if( gl.glIsList( LIST_NO )
{   gl.glCallList( LIST_NO );
}else
{
    System.out.println( "defining new list for " + LIST_NO );
    gl.glNewList( LIST_NO , GLEnum.GL_COMPILE_AND_EXCECUTE )
        gl.glBegin( //yada yada
        //...
        gl.glEnd(); 
    gl.endList();
}

Java prints the "defining..." on each repaint, not just once, therefore it is creating the list each time! :-( What's going on here?!

Sometimes I don't want to define somthing at the start in init, because by then I don't have all the info I need. How can I define persistant display lists after initialisation? At the moment the only way I can define new display lists is to create a whole new GLDrawable!

Btw, I am testing this on java 1.4.2 on winXP with the latest nvidia drivers.

Thanks in advance to anyone who can help with this!
Jim

_____________________________________________________________
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[gl4java-usergroup] horns

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Re: [gl4java-usergroup] glu and gl classes

[<Oxy...@t-...>]

Hi,

it looks like your native language is german!? If yes, you also could ask 
basic Java questions at http://www.javacore.de - there you will find a 
(german) Java Webboard.

On Sat, 01 Nov 2003 17:00:11 +0100, <zy...@di...> wrote:

>
> Hello Folks, my name is Fabian and i m doing a game with gl4java. 
> Sometimes i
> got problems with My Java knowledge especialy in this case. --> Id like 
> to
> Create several Classes in which id like to build my displaylists, bind 
> textures
> and stuff like that. In Gameloop i want to call those objects which where
> created by those classes. My Question is is this possible..? And how am 
> i able
> to get the methods out of a glu class and a gl class to my own new 
> class. cause
> i want to use both in one class. Hope u will understand my bad english 
> and the
> meaning of my words. Thanks for ur help.
>
> __________________________________________________
> Verpassen Sie keine eBay-Auktion und bieten Sie bequem und schnell über 
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> Telefon mit http://www.telefonbieten.de
>
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[gl4java-usergroup] glu and gl classes

[<zy...@di...>]

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML><HEAD><META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Diso-8859-1"></HEAD>
<BODY bgColor=3D#ffffff><FONT face=3D"verdana,arial" size=3D"2">
<P><BR>Hello Folks, my name is Fabian and i m doing a game with gl4java. =
Sometimes i got problems with My Java knowledge especialy in this case. =
--&gt; Id like to Create several Classes in which id like to build my =
displaylists, bind textures and stuff like that. In&nbsp;Gameloop i want =
to call&nbsp;those objects which where created by those =
classes.&nbsp;My&nbsp;Question is is this possible..? And how&nbsp;am i =
able to get&nbsp;the methods out of a glu class and a gl class to my own =
new class. cause i want to use both in one class. Hope u will understand =
my bad english and the meaning of my words. Thanks for ur =
help.&nbsp;<BR></P><p><font face=3D"verdana,arial" =
size=3D"2">__________________________________________________<br>Verpassen =
 Sie keine eBay-Auktion und bieten Sie bequem
und schnell =FCber das Telefon mit http://www.telefonbieten.de<p>Ihre =
eMails auf dem Handy lesen - ohne Zeitverlust - 24h/Tag<br>eMail, FAX, =
SMS, VoiceMail mit http://www.directbox.com</font></FONT></BODY></HTML>

[gl4java-usergroup] glGetFloatv problem

[Mike H. <he...@cs...>]

I'm working on a full scene graph API that will work with gl4java, but  
I'm having a problem with the glGetFloatv call

My code looks like this

gl.glMatrixMode( GL_MODELVIEW );
gl.glLoadIdentity();

float matrix[] = new float[16];
gl.glGetFloatv( GL_MODELVIEW_MATRIX, matrix );


but after the call, matrix contains 16  0.0 and not the identity matrix  
as expected.


any help/suggestions?

thanks,
mike helmick


------------------------------------------------------------------------ 
----------------------
Michael T Helmick, Xavier Computer Science BS. 2000
Systems Analyst, Convergys IMG. Wireless Solutions
  E-Mail: he...@cs...
    Work: 513 723-3355  PCS: 513 290-5019
     Web: http://mikehelmick.com/
------------------------------------------------------------------------ 
----------------------
Help stamp out and abolish redundancy.

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Re: [gl4java-usergroup] OSX - 10.2.8

[Kenneth B. R. <kbr...@al...>]

> As you can see I'm not running Panther, but the download from 
> gziemski's homepage seem to be for the Dev os.
> 
> Does anyone have a binary package available for 10.2.8?

The Mac OS X port of gl4java is no longer being maintained.
Gerard has been updating the OS X port of JOGL
(http://jogl.dev.java.net/); I'd suggest you take a look.

-Ken

Re: [gl4java-usergroup] selecting objects within gl4java

[Kenneth B. R. <kbr...@al...>]

> gday all,
> I'm writing a program with gl4java and need to interact with the objects i create.
> I can create a cylinder and draw it to screen, but i can't have the user select it.
> Could anyone out there please help me with selecting objects? At the moment it would sufice if the object were clicked by the user then a messagebox would pop up acknowleding the selection.

There are probably some selection demos in the NeHe tutorials.
You may also want to look at the demos that ship with JOGL
(http://jogl.dev.java.net/) as they use a library called gleem,
the source code for which ships in the jogl-demos project, which
can provide at least an approximation to what you need.

-Ken

[gl4java-usergroup] OSX - 10.2.8

[T I. <mag...@mi...>]

As you can see I'm not running Panther, but the download from 
gziemski's homepage seem to be for the Dev os.

Does anyone have a binary package available for 10.2.8?

thanks,

-Thomas

[gl4java-usergroup] selecting objects within gl4java

[MATTHEW D. <mat...@st...>]

gday all,
I'm writing a program with gl4java and need to interact with the objects i create.
I can create a cylinder and draw it to screen, but i can't have the user select it.
Could anyone out there please help me with selecting objects? At the moment it would sufice if the object were clicked by the user then a messagebox would pop up acknowleding the selection.

Thankyou very much for your time
matt