kk's profile - activity

I have a pose and using the pose's position information(x,y) i generate a triangle(p1,p2,p3) where p1 is the actual pose's position. Initially i assumed the direction. Example: If p1(x,y) = (6,12) I generate P2(x,y) = (2, 16) and p3(x,y) = (10, 16). SO by default two new points to the left and right of the given pose's position.

Further i want to rotate this triangle to the pose's orientation. I am struck at this point... I am not getting how to rotate this triangle according to pose's orientation.

Any idea how to achieve this ? Basically i want to generate a view cone for a given Pose.

After success in building 3d maps i am trying to play with them for example: to detect tables in the 3d map. So trying to run the sample program. In the documentation it is said simple.cpp is an example but i could not find it neither in ros-octomap nor standalone octomap. But i found simple_example.cpp in standalone octomap folder which seems to be the updated file of simple.cpp.

But i am unable to compile it. Am i missing something ??

I am new to octomaps. I could not find any tutorials. Could some one kindly help me to start ??

how to do the same in c++ ?? its tells invalid type even when used std::vector

Octomap provides a projected 2d map through the topic "projected_map". I want to save this map. The map server is also running. So i remapped the topic in the octomap server launch file : <remap from="map" to="projected_map"/>

This info is given in the ros wiki: map (up to fuerte) / projected_map (since fuerte) (nav_msgs/OccupancyGrid)

Downprojected 2D occupancy map from the 3D map. Be sure to remap this topic if you have another 2D map server running. New / changed in octomap_mapping 0.4.4: The topic is now projected_map by default to avoid collisions with static 2D maps

I am able to visualise in rviz but when i try to save it :

rosrun map_server map_saver -f mapName

The default map is saved rather than the map from octomap.

Any suggestion what is wrong ??

Thank you very much.