[ros-users] SLAM precoding?
Charles DuHadway
duhadway at google.com
Thu Mar 31 04:37:37 UTC 2011
Sounds like its working. You can retrieve the map via the
service nav_msgs/GetMap or the topic nav_msgs/OccupancyGrid.
Good luck,
Charles
On Thu, Mar 24, 2011 at 7:35 PM, Jason Byers <jabyers at g.clemson.edu> wrote:
> Ok so I drew up the map to scale using the GIMP image editor, and created
> the YAML file named map.yaml, and ran the command line
>
> rosrun map_server map_server map.yaml
>
> after running roscore in a separate terminal but it just sits idle saying
>
> [ INFO] [1301019197.508222505]: Loading map from image
> "./riggs_basement_metric.xcf"
>
> and my map's name is riggs_basement_metric.xcf and is in the same package
> folder as the yaml file. Is the map file supposed to be located somewhere
> else? Or am I making some kind of error?
>
>
> Thanks for any help,
> Jason
>
>
>
> On Mon, Mar 14, 2011 at 11:36 AM, Charles DuHadway <duhadway at google.com>wrote:
>
>> The map is represented as an image file. See
>> http://www.ros.org/wiki/map_server for details on the format. You can use
>> any image editor to create it. The GIMP is what I've used in the past.
>>
>> Charles
>>
>> On Sun, Mar 13, 2011 at 8:27 AM, Jason Byers <jabyers at g.clemson.edu>wrote:
>>
>>> So how would I draw this map in ROS, like is there a certain application
>>> or tutorial for it?
>>> Thanks,
>>> Jason
>>>
>>>
>>> Sure, you can draw a map by hand, or even use an architectural
>>>> floorplan. As long as it's reasonable accurate, and to scale,
>>>> localization should work ok.
>>>>
>>>> brian.
>>>>
>>>
>>>
>>> On Fri, Mar 11, 2011 at 1:31 PM, Brian Gerkey <gerkey at willowgarage.com>wrote:
>>> On Fri, Mar 11, 2011 at 8:49 AM, <jabyers at clemson.edu> wrote:
>>> > I am currently working on using ROS to build a map of a building for a
>>> > robot to use SLAM coding to navigate through said building. However, I
>>> > have limited access to the robot, as an undergrad, due to the need for
>>> the
>>> > grad students to use the robot for their various projects. I was
>>> wondering
>>> > if there was anyway to build a map of the building using just the
>>> values
>>> > from the laser range finder, so just the dimensions of the building,
>>> > without physically using the robot, and then to just load it onto the
>>> > robot when I get the chance and have the robot localize itself by
>>> > comparing its range finder values with the values of the map? Thanks
>>> for
>>> > any help!
>>>
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>>>
>>>
>>
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>
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