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1 | initial version |
answering my own question 2) : it turns out that it -is- possible to hard-set the location and orientation of the turtle. This can be accomplished by issuing the following command:
$ rosservice call /turtle1/teleport_absolute -- [X] [Y] [theta]
where [X],[Y], and [theta] are float numbers.
For example:
$ rosservice call /turtle1/teleport_absolute -- 0.0 0.0 90.0
puts the turtle in the lower left corner pointed upward.