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Designators in CRAM framework

asked 2012-09-18 22:52:07 -0600

dgerod gravatar image

updated 2012-09-18 22:53:20 -0600

I have just finished reading CRAM core and KnowRob, and I have an overview of the system at this moment.

I have read the following information:

However, I still do not understand "designators" in CRAM. How they work? Do you know where I can find more information about them? "Designators" are the module most interesting for me. Thanks.

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@makokal - Thanks for your answer but the link is not working.

dgerod gravatar imagedgerod ( 2012-09-19 02:47:11 -0600 )edit

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answered 2012-09-19 05:07:04 -0600

Lorenz gravatar image

Thanks for you interest in that package. You just made me create some documentation on the wiki page. It should give you a high-level overview of what designators are and how their interface looks like. For examples on how to use them, have a look at the source code of the package cram_plan_library in the stack cram_highlevel. Packages that implement specialized location resolution mechanisms in that stack are:

  • location_costmap: provides basic functionality to construct costmaps for sampling location designator solutions.

  • semantic_map_costmap: uses Knowrob's semantic map to generate costmaps for generating poses on, in etc. objects in the semantic map, e.g. on the counter top.

  • occupancy_grid_costmap: provides a simple implementation for poses to see and to reach specific poses by using the 2d map provided by navigation for inferring locations the robot can navigate to.

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Thanks a lot for your answer. I did not answer before because I was on holidays.

dgerod gravatar imagedgerod ( 2012-09-25 06:19:33 -0600 )edit
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answered 2012-09-19 01:18:07 -0600

makokal gravatar image

Perhaps this paper would give you what you need http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=05650989

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The link is working now, thanks.

dgerod gravatar imagedgerod ( 2012-10-10 00:46:30 -0600 )edit

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Asked: 2012-09-18 22:52:07 -0600

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Last updated: Sep 19 '12