Hi, Thank you very much John !!! Thanks for your clear explanation. I guess it's better for me to start from scratch. ^_^ I started to test gazebo demos from here http://www.ros.org/wiki/simulator_gazebo/Tutorials/SpawningObjectInSimulation Yes, it works. However, unfortunately, as the picture attached at http://www.visionopen.com/Screenshot.png, shadows failed to be shown compared to the demos shown here http://www.ros.org/wiki/simulator_gazebo/Tutorials/SpawningObjectInSimulation . How to enable gazebo shadows? Cheers JIA On Sat, Sep 11, 2010 at 1:26 PM, JIA Pei wrote: > > Hi, > > Thank you very much John !!! Thanks for your clear explanation. > I guess it's better for me to start from scratch. ^_^ > > I started to test gazebo demos from here > > http://www.ros.org/wiki/simulator_gazebo/Tutorials/SpawningObjectInSimulation > Yes, it works. > > However, unfortunately, as the picture attached, > shadows failed to be shown compared to the demos shown on the above > linkage, > > How to enable gazebo shadows? > > Cheers > JIA > > > > On Sat, Sep 11, 2010 at 12:17 PM, Peter Brook wrote: > >> Hey, >> >> I don't know much about those questions, but if you try setting ROBOT=pr2 >> rather than PR2 it might work. >> >> Peter >> >> On Sep 10, 2010 6:34 PM, "JIA Pei" wrote: >> > Hi, John: >> > >> > Sorry to bother you again. >> > >> > 1) >> > I checked out pr2_2dnav_gazebo and put it under the corresponding folder >> of >> > my installed ROS. >> > say: /opt/ros/cturtle/stacks/wg_robots_gezebo/pr2_2dnav_gazebo >> > >> > When I do roslaunch >> > "roslaunch pr2_2dnav_gazebo pr2-armless-wg-fake_localization.launch" >> > I got 'ROBOT' is not set >> > >> > jiapei@jiapei-laptop:/opt/ros/cturtle/stacks/wg_robots_gezebo$ >> roslaunch >> >> pr2_2dnav_gazebo pr2-armless-wg-fake_localization.launch >> >> ... logging to >> >> >> /home/jiapei/.ros/log/73e7b77a-bd42-11df-8314-0040d0a919ff/roslaunch-jiapei-laptop-4044.log >> >> Checking log directory for disk usage. This may take awhile. >> >> Press Ctrl-C to interrupt >> >> Done checking log file disk usage. Usage is <1GB. >> >> >> >> environment variable 'ROBOT' is not set >> >> >> > >> > >> > Then, I set 'ROBOT' as "PR2" (I just guessed this, how to set >> > this environment variable? ) >> > This time, I obtained "Invalid roslaunch XML syntax: [Errno 2] No such >> file >> > or directory" . >> > >> > jiapei@jiapei-laptop:/opt/ros/cturtle/stacks/wg_robots_gezebo$ export >> >>> ROBOT=PR2 >> >> >> >> jiapei@jiapei-laptop:/opt/ros/cturtle/stacks/wg_robots_gezebo$ >> roslaunch >> >>> pr2_2dnav_gazebo pr2-armless-wg-fake_localization.launch >> >> >> >> ... logging to >> >>> >> /home/jiapei/.ros/log/db1290a0-bd42-11df-b443-0040d0a919ff/roslaunch-jiapei-laptop-4091.log >> >> >> >> Checking log directory for disk usage. This may take awhile. >> >> >> >> Press Ctrl-C to interrupt >> >> >> >> Done checking log file disk usage. Usage is <1GB. >> >> >> >> >> >>> while processing >> >>> >> /opt/ros/cturtle/stacks/wg_robots_gezebo/pr2_2dnav_gazebo/2dnav-stack-fake_localization.launch: >> >> >> >> while processing >> >>> >> /opt/ros/cturtle/stacks/pr2_navigation/pr2_navigation_global/move_base.xml: >> >>> >> >> >> >> while processing >> >>> /opt/ros/cturtle/stacks/pr2_common/pr2_machine/PR2.machine: >> >>> >> >> >> >> Invalid roslaunch XML syntax: [Errno 2] No such file or directory: >> >>> u'/opt/ros/cturtle/stacks/pr2_common/pr2_machine/PR2.machine' >> >> >> >> >> > >> > So, my first question is: How to set 'ROBOT' for this pr2 2D navigation >> > simulation? >> > >> > >> > 2) My 2nd question is I found I've installed >> > "ros-cturtle-simulator-gazebo", >> > I'm wondering what are the connections between "pr2_2dnav_gazebo" >> > and "ros-cturtle-simulator-gazebo" ? >> > And, why "pr2_2dnav_gazebo" is not packaged into Ubuntu repository for >> > automatic installation? >> > >> > By the way, from the name of "ros-cturtle-simulator-gazebo", >> > I'm guessing, by using "ros-cturtle-simulator-gazebo" only, >> > am I able to simulate the robots navigation already, without checking >> > out "pr2_2dnav_gazebo" ? >> > Or, "ros" refers to the system without specifying a particular robot, >> > while "pr2" is a specific robot. >> > We have to specify a type of robot before its navigation? >> > >> > Sorry for my entry-level questions, but I really need your help. >> > >> > >> > Best Regards >> > JIA >> > >> > >> > >> > On Sat, Sep 11, 2010 at 1:32 AM, John Hsu >> wrote: >> > >> >> Hi JIA, >> >> Sorry, my mistake, wg-ros-pkg trunk has been moved to >> >> branches/trunk_cturtle. I've updated the svn command accordingly: >> >> >> >> svn co >> https://code.ros.org/svn/wg-ros-pkg/branches/trunk_cturtle/stacks/wg_robots_gazebo/pr2_2dnav_gazebo >> >> >> >> >> >> John >> >> >> >> >> >> >> >> On Fri, Sep 10, 2010 at 5:05 AM, JIA Pei wrote: >> >> >> >>> >> >>> Hi, John: >> >>> >> >>> Sorry that I couldn't make it work yet. >> >>> It seems I'm not able to check out "pr2_2dnav_gazebo". >> >>> >> >>> jiapei@jiapei-laptop:~$ svn co >> >>> >> https://code.ros.org/svn/wg-ros-pkg/trunk/stacks/wg_robots_gazebo/pr2_2dnav_gazebo >> >>> svn: URL ' >> >>> >> https://code.ros.org/svn/wg-ros-pkg/trunk/stacks/wg_robots_gazebo/pr2_2dnav_gazebo >> ' >> >>> doesn't exist >> >>> jiapei@jiapei-laptop:~$ >> >>> >> >>> >> >>> Any further suggestions? >> >>> >> >>> >> >>> Best Regards >> >>> JIA >> >>> >> >>> >> >>> On Fri, Sep 10, 2010 at 5:31 AM, John Hsu > >wrote: >> >>> >> >>>> Hi JIA, >> >>>> I've fixed the tutorial< >> http://www.ros.org/wiki/pr2_2dnav_gazebo/Tutorials/Simulating%20the%202dnav%20Stack>page >> to include where to get pr2_2dnav_gazebo. >> >> >>>> Please let me know if you can test the nav stack successfully in sim. >> >>>> thanks, >> >>>> John >> >>>> >> >>>> >> >>>> >> >>>> On Thu, Sep 9, 2010 at 6:46 AM, JIA Pei wrote: >> >>>> >> >>>>> >> >>>>> Hi, all: >> >>>>> >> >>>>> Sorry for my amateur question. >> >>>>> >> >>>>> I'd love to try out some simple robot control demos of ROS. >> >>>>> So, I went to http://www.ros.org/wiki/AllTutorials and >> >>>>> tried pr2_simulator, >> >>>>> but it seems the tutorials here are too old and >> >>>>> I failed to find pr2_2dnav_gazebo (but pr2_2dnav found), >> >>>>> and pr2-simple-fake_localization.launch doesn't existing at all. >> >>>>> >> >>>>> So, can anybody please show me >> >>>>> where to find a runnable robot navigation or robot control demo of >> ROS, >> >>>>> including the source code, >> >>>>> so that I may be able to revise the source according to my own >> control >> >>>>> requirement? >> >>>>> >> >>>>> Thanks in advance. >> >>>>> >> >>>>> Best Regards >> >>>>> JIA >> >>>>> >> >>>>> >> >>>>> >> >>>>> >> >>>>> >> >>>>> >> >>>>> >> >>>>> >> >>>>> -- >> >>>>> Welcome to Vision Open >> >>>>> http://www.visionopen.com >> >>>>> >> >>>>> >> >>>>> >> ------------------------------------------------------------------------------ >> >>>>> This SF.net Dev2Dev email is sponsored by: >> >>>>> >> >>>>> Show off your parallel programming skills. >> >>>>> Enter the Intel(R) Threading Challenge 2010. >> >>>>> http://p.sf.net/sfu/intel-thread-sfd >> >>>>> _______________________________________________ >> >>>>> ros-users mailing list >> >>>>> ros-users@lists.sourceforge.net >> >>>>> https://lists.sourceforge.net/lists/listinfo/ros-users >> >>>>> >> >>>>> _______________________________________________ >> >>>>> ros-users mailing list >> >>>>> ros-users@code.ros.org >> >>>>> https://code.ros.org/mailman/listinfo/ros-users >> >>>>> >> >>>>> >> >>>> >> >>>> _______________________________________________ >> >>>> ros-users mailing list >> >>>> ros-users@code.ros.org >> >>>> https://code.ros.org/mailman/listinfo/ros-users >> >>>> >> >>>> >> >>> >> >>> >> >>> -- >> >>> Welcome to Vision Open >> >>> http://www.visionopen.com >> >>> >> >>> _______________________________________________ >> >>> ros-users mailing list >> >>> ros-users@code.ros.org >> >>> https://code.ros.org/mailman/listinfo/ros-users >> >>> >> >>> >> >> >> >> _______________________________________________ >> >> ros-users mailing list >> >> ros-users@code.ros.org >> >> https://code.ros.org/mailman/listinfo/ros-users >> >> >> >> >> > >> > >> > -- >> > Welcome to Vision Open >> > http://www.visionopen.com >> >> >> _______________________________________________ >> ros-users mailing list >> ros-users@code.ros.org >> https://code.ros.org/mailman/listinfo/ros-users >> >> > > > -- > Welcome to Vision Open > http://www.visionopen.com > -- Welcome to Vision Open http://www.visionopen.com