[osg-users] osg+QT MODKEY How to

2009-03-07 Thread legeochen
Hi all,
   I'm trying to add a Modkey event handler to my application with osg and
qt4. But it seems that the getModKeyMask() fuction fails to work. Return
value of getModKeyMask() always is 0, even if I have a MODKEY pressed. And,
this is my code:
if ( ea.getEventType() == osgGA::GUIEventAdapter::PUSH 
 ea.getButtonMask() == osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON

 ea.getModKeyMask() == osgGA::GUIEventAdapter::MODKEY_SHIFT )
 {
/*-
do something here
-*/
}
How can I handle it? Thanks in advance!

cheers
legeo
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Re: [osg-users] OSG 2.6.1 and VPB

2009-03-07 Thread Robert Osfield
Hi Michael,

You either have to install OSG and VPB or set up LD_LIBARARY and PATH
env vars to point to respective lib and bin directories.

Robert.

On Sat, Mar 7, 2009 at 1:01 AM, Michael W. Hall hal...@att.net wrote:
 I appreciate the reply.  I got OSG 2.6.1 and followed the info you
 provided to get the version of VPB that was was listed in the table to
 work with the version of OSG I have installed.

 It has been a while since I have played with it, but the both build and
 installed.  When I try to run osgversion, I get the following:

 ./osgversion: error while loading shared libraries:
 libOpenThreads.so.11: cannot open shared object file: No such file or
 directory

 I have checked and the above lib is there.  When I run osgdem, I get the
 following error:

 osgdem: error while loading shared libraries: libvpb.so.8: cannot open
 shared object file: No such file or directory

 That lib is there also.  Any ideas to try? I am running FC10.

 Thanks,
 Michael


 On Sun, 2009-01-25 at 11:58 +0100, Ralf Stokholm wrote:
 Hi Michael

 I have set up my build of osg using externals in svn.


 osg
 http://www.openscenegraph.org/svn/osg/OpenSceneGraph/tags/OpenSceneGraph-2.6.1
 osgdata -r7561
 http://www.openscenegraph.org/svn/osg/OpenSceneGraph-Data/trunk
 3rdPartysvn -r403
 https://osgtoy.svn.sourceforge.net/svnroot/osgtoy/3rdParty/branches/3rdParty_win32binaries_vs80sp1
 osgdem -r927
 http://www.openscenegraph.org/svn/VirtualPlanetBuilder/trunk

 this should work, at least it does on Windows xp and visual studio.

 If you simply want to get VPB in 924 or 927 which works for me, then
 simply do an update to revision in svn.

 Hope this helps.

 Brgs.
 Ralf Stokholm
 www.arenalogic.com


 2009/1/25 Michael W. Hall hal...@att.net
         I have built OSG 2.6.1.  Now I am trying to get the VPB to
         build.  I got
         the latest from SVN, but I see that the chart says VPB r924 is
         the one
         to use.  Could someone tell me how to get the version of VPB
         that will
         compile against OSG 2.6.1?

         I am using Fedora Core 10 x86_64.

         Thanks,
         Michael

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Re: [osg-users] osg+QT MODKEY How to

2009-03-07 Thread Robert Osfield
Hi Legeo,

How are you integrating OSG and QT?

Robert.

On Sat, Mar 7, 2009 at 8:14 AM, legeochen legeoc...@gmail.com wrote:
 Hi all,
    I'm trying to add a Modkey event handler to my application with osg and
 qt4. But it seems that the getModKeyMask() fuction fails to work. Return
 value of getModKeyMask() always is 0, even if I have a MODKEY pressed. And,
 this is my code:
     if ( ea.getEventType() == osgGA::GUIEventAdapter::PUSH 
  ea.getButtonMask() == osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON
 
  ea.getModKeyMask() == osgGA::GUIEventAdapter::MODKEY_SHIFT )
  {
     /*-
     do something here
     -*/
     }
 How can I handle it? Thanks in advance!

 cheers
 legeo
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Re: [osg-users] Help with adding a player model

2009-03-07 Thread tuandoviet
Hi!

Could I ask 1 more question?

I want to ride a vehicle in the cockpit, Which solution could I use?

When I use NodeTracker, the vehicle is always at center of the screen.

Thanks in advance!

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[osg-users] Animated HeightField

2009-03-07 Thread Giovanni
Hi...

I want to build an animated HeightField (Heights of certain cells changes 
during the execution). I try with a callback that modify the heights ( with 
setHeight() function). 
The data are modify but the shape no. I tried to set the data variance ad 
dynamic but doesent't work.

Thanks for help...

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Re: [osg-users] Animated HeightField

2009-03-07 Thread Ümit Uzun
Hi Giovanni,

what are you tying to acvhive by changing HightField dynamicly. If you want
save your performance I suggest you to use shader (GLSL) for kind of this
works. It would be so easier and performance saver.

Regards.

2009/3/7 Giovanni osgfo...@tevs.eu

 Hi...

 I want to build an animated HeightField (Heights of certain cells changes
 during the execution). I try with a callback that modify the heights ( with
 setHeight() function).
 The data are modify but the shape no. I tried to set the data variance ad
 dynamic but doesent't work.

 Thanks for help...

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 http://forum.openscenegraph.org/viewtopic.php?p=8058#8058





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Re: [osg-users] WPF and OpenGL popup window problem

2009-03-07 Thread Jean-Sébastien Guay

Hi Himar,

W.r.t. whether you are fool to use WPF or Qt or wxWidgets or 
whatever windowing technology you use: They are tools, you as programmer 
are the artisan.


Sorry if it looked as if I were trying to imply anyone was a fool, 
that's not the case. I have used this same argument a lot in the past 
(and in the recent past on this very mailing list) hence the smiley at 
the end of my sentence... :-)  It was meant as a joke.


Thanks for the concrete info on this issue, it's useful to know about 
these issues.


J-S
--
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http://whitestar02.webhop.org/
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Re: [osg-users] Animated HeightField

2009-03-07 Thread Ulrich Hertlein

Hi Giovanni,

On 8/3/09 1:56 AM, Giovanni wrote:

I want to build an animated HeightField (Heights of certain cells changes 
during the
execution). I try with a callback that modify the heights ( with setHeight()
function). The data are modify but the shape no. I tried to set the data 
variance ad
dynamic but doesent't work.


It's probably the display list not being updated.  You have to explicitly dirty it after 
updating the data using dirtyDisplayList() or turn it of altogether if you're doing a lot 
of updates..


Also be aware that HeightField isn't optimal for this kind of application and won't give 
you the best performance.


Cheers,
/ulrich
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Re: [osg-users] osg+QT MODKEY How to

2009-03-07 Thread legeochen
Hi Robert
I wrote a ViewerQT class according to the osgviewerQT in examples. Then set
Central Widget of a form to this viewerQT instance.  Is it a proper way to
intergrate ogs and qt? Thanks!
legeo

2009/3/7 Robert Osfield robert.osfi...@gmail.com

 Hi Legeo,

 How are you integrating OSG and QT?

 Robert.

 On Sat, Mar 7, 2009 at 8:14 AM, legeochen legeoc...@gmail.com wrote:
  Hi all,
 I'm trying to add a Modkey event handler to my application with osg
 and
  qt4. But it seems that the getModKeyMask() fuction fails to work. Return
  value of getModKeyMask() always is 0, even if I have a MODKEY pressed.
 And,
  this is my code:
  if ( ea.getEventType() == osgGA::GUIEventAdapter::PUSH 
   ea.getButtonMask() ==
 osgGA::GUIEventAdapter::LEFT_MOUSE_BUTTON
  
   ea.getModKeyMask() == osgGA::GUIEventAdapter::MODKEY_SHIFT )
   {
  /*-
  do something here
  -*/
  }
  How can I handle it? Thanks in advance!
 
  cheers
  legeo
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Re: [osg-users] Configuring OSG for stereo

2009-03-07 Thread Eric Heft
Robert,

I converted all the measurements to meters. As I suspected there were no 
changes since the units should fall out of the calculations. 

So the question remains. What controls the depth plane? 

If I use the trackball manipulator and press space the depth plane is set to 
the center of the objects volume so next week I'll look into what it is doing. 

Thank you,
Eric

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