i can not make using_markers(ie,to place somthing to the rviz)
rosmake using_markers
[ rosmake ] rosmake starting...
[ rosmake ] Packages requested are: ['using_markers']
[ rosmake ] Logging to directory /home/liqiming/.ros/rosmake/rosmake_output-20131210-195602
[ rosmake ] Expanded args ['using_markers'] to:
[]
[ rosmake ] WARNING: The following args could not be parsed as stacks or packages: ['using_markers']
[ rosmake ] ERROR: No arguments could be parsed into valid package or stack names.
that is the process i follow the tutorial of the web of RVIZ