Hello, I've added a laser example to SVN head (gazebo/examples/player/laser)
The code to access range and intensity works fine on my end. I would check to make sure that the index you're using it not out of range. -nate On Mon, Oct 13, 2008 at 6:56 AM, Stenzel, Jonas <[EMAIL PROTECTED]> wrote: > Hi, > > > > I'm running gazebo from the svn-repository in combination with player > 2.1.1 and ogre 1.6rc. > > I tried out the sample "laserobstacleavoid" program and everything > worked fine. But when I try to call the GetIntensity() method of the > LaserProxy class I get a Segmentation Fault. > > > > I just added the following two lines two the read-think-act loop of the > program and recompiled it: > > int intensity; > > intensity=lp.GetIntensity(20); > > > > For debugging purposes I made a backtrace with gdb: > > > > Starting program: > /home/jonas/ps/share/player/examples/libplayerc++/laserobstacleavoid > > [Thread debugging using libthread_db enabled] > > [New Thread 0xb7b4c6c0 (LWP 6533)] > > localhost: 6665 > > > > Program received signal SIGSEGV, Segmentation fault. > > [Switching to Thread 0xb7b4c6c0 (LWP 6533)] > > 0x0804a32e in PlayerCc::ClientProxy::GetVar<int> () > > Current language: auto; currently asm > > (gdb) bt > > #0 0x0804a32e in PlayerCc::ClientProxy::GetVar<int> () > > #1 0x0804a39e in PlayerCc::LaserProxy::GetIntensity () > > #2 0x08049c7d in main () > > > > When I start the program a second time while it is already running, no > error occurs. > > For me, it looks like something has not been initialized... > > > > May anyone help me with that issue? > > > > Thanks a lot, > > > > Jonas > > > > ------------------------------------------------------------------------- > This SF.Net email is sponsored by the Moblin Your Move Developer's challenge > Build the coolest Linux based applications with Moblin SDK & win great prizes > Grand prize is a trip for two to an Open Source event anywhere in the world > http://moblin-contest.org/redirect.php?banner_id=100&url=/ > _______________________________________________ > Playerstage-gazebo mailing list > Playerstage-gazebo@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/playerstage-gazebo > ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Playerstage-gazebo mailing list Playerstage-gazebo@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/playerstage-gazebo
