Re: [osg-users] Problem loading RGB values when alpha = 0 on mac osx

2013-08-03 Thread Paulo Silva
Hi Robert, thanks for the tip. I didn't realize that osg had a new site. I just compiled osg-3.2 but now it won't even load pngs. GraphicsContext::setWindowingSystemInterface() 0x102914e90 0x10057eea8 itr='/Users/paulo/usr/lib' FindFileInPath() : trying

Re: [osg-users] How to grasp an object in virtual scene by using a CyberGlove and OSG?

2013-08-03 Thread Jan Ciger
-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 08/02/2013 05:21 PM, Paul Martz wrote: There was some development in osgBullet for grappling with a data glove and hand model. Without haptics, the user had no feedback over how tightly the objects were grasped, and Bullet had difficulty

Re: [osg-users] QT widgets as children of a OSG view

2013-08-03 Thread Ale Maro
Hi Robert, you are right, question is not clear... probably I need holidays ;-) I need to render (overlay) standard QT widgets in 2D over the OSG 3d view. One solution is using osgWidget as you suggested. I implemented a OSG 3d view as a class that inherits from CompositeViewer and QWidget. In

Re: [osg-users] Problem loading RGB values when alpha = 0 on mac osx

2013-08-03 Thread Paulo Silva
Ok, let me make a small update, I was able to get osg-3.2 to load the example image using the code in attach. I can't be precise in what worked, but I guess updating libpng helped. Now it output: 0 0 0 0 0 0 0 1 0 128 128 2 64 128 191 4 64 128 191 8 64 128 191 16 64 128 191 32 64 128 191 64 64

[osg-users] [osgPlugins] Probleme with PNG plugin: when there are no_data value(generated by GDAL)

2013-08-03 Thread Mohammed Djeralfia
Hi I have generated a png image from GDAL with no_data values to set the black color to transparant with this command line: gdal_translate.exe --a_nodata 0 -of PNG -ot byte thumbnail.png thumbnail_no_data.png the image is loaded correctly in any viewer (Windows , photoshop...) BUT when I

Re: [osg-users] How to grasp an object in virtual scene by using a CyberGlove and OSG?

2013-08-03 Thread Paul Martz
Yes, osgBullet does have a collision-only library. I just wanted to provide additional information, as the O.P. seemed unaware of osgBullet and what had already been done there. On Sat, Aug 3, 2013 at 3:35 AM, Jan Ciger jan.ci...@gmail.com wrote: I think that what Robert meant was to simply

Re: [osg-users] Cannot resize when rendering to FBO

2013-08-03 Thread Terry Welsh
Thanks Farshid. Camera::setRenderingCache() is the secret sauce. It works perfectly now. I hadn't come across that function yet, so I don't know if I ever would have found it. -- Terry Welsh www.reallyslick.com Hi Terry, I use osg::Camera objects to render FBOs that are the same size as the