In general, I would recommend the Deb-based install rather than SVN install. You're guaranteed a good install, and it's also much more efficient to build packages on top. I'm assuming that your install failed in some way. To verify, can you type: "rosmake tf" and post any errors? - Ken On Mon, Aug 2, 2010 at 9:50 PM, Sam Quintanar wrote: > Ken, > > When installing ROS from the link you mentioned below, I chose Ubuntu Linux and then chose SVN > > (download-and-compile) install . > > Everything seemed to compile ok and all the beginners tutorials ran fine until the roswtf tutorial. > > What should I do? > > Sam Q (linux newbie) > > >Date: Sat, 31 Jul 2010 17:55:28 -0700 > > >From: Ken Conley > >Subject: Re: [ros-users] roswtf issue > >To: ros-users@code.ros.org > > >Message-ID: > > > >Content-Type: text/plain; charset="iso-8859-1" > > > >Hi Sam, > > >Which of the installation methods described here [1] did you use when > >installing ROS? > > >[1]: http://www.ros.org/wiki/ROS/Installation > > > >The reason I ask is that sort of error should only occur if your tf package > >is not built correctly. As tf is one of the base packages that is installed > >with ROS, it's unusual that you would be getting this error, unless the > > >installation did not occur correctly. > > > - Ken > > >On Sat, Jul 31, 2010 at 5:32 PM, Sam Quintanar wrote: > > > When doing the ROS tutorial at URL: > > > http://www.ros.org/wiki/ROS/Tutorials/Getting%20started%20with%20roswtf, > > > > There is a message below that bothersome (highlighted in red). > > > Is it ok to ignore this? > > If not, what should I do about it? > > What does the tf package do? > > > > > > sam@sam-laptop:~/ros/ros$ roswtf > > *Unable to load plugin [tf.tfwtf] from package [tf]* > > > Stack: ros > > > > ================================================================================ > > Static checks summary: > > > > No errors or warnings > > > > ================================================================================ > > > Beginning tests of your ROS graph. These may take awhile... > > analyzing graph... > > ... done analyzing graph > > running graph rules... > > ... done running graph rules > > > > Online checks summary: > > > > > No errors or warnings > > > > > > _______________________________________________ > > ros-users mailing list > > ros-users@code.ros.org > > > https://code.ros.org/mailman/listinfo/ros-users > > > > > -------------- next part -------------- > An HTML attachment was scrubbed... > > URL: /discuss/ros-users/attachments/20100731/01d87e7b/attachment-0001.htm > > ------------------------------ > > > _______________________________________________ > ros-users mailing list > ros-users@code.ros.org > https://code.ros.org/mailman/listinfo/ros-users > >