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2017-08-15 15:21:07 -0500 | marked best answer | Can we compile ROS fuerte codes to run on ROS Hydro ? Hey there, I came across two codes for ROS. One for active image segmentation and one for skin detection. Both of these have used older versions of ROS (Fuerte and groovy respectively). I would like to compile and build them on ROS Hydro. Is there a standard procedure for porting the same code to make it compatible with newer versions of ROS ? Please advise. |
2017-06-17 23:29:56 -0500 | commented answer | receiving no data from [/ardrone/navdata_gps] topic Hi @JCUAV, I am still struggling with this. I am on ROS Kinetic running on Ubuntu 16.04. I installed the ardrone autonom |
2017-06-17 23:20:01 -0500 | asked a question | Publishing GPS data using ardrone_autonomy in ros Kinetic Publishing GPS data using ardrone_autonomy in ros Kinetic I am using ROS Kinetic on Ubuntu 16.04 LTS. I installed the ar |
2017-05-02 15:07:45 -0500 | marked best answer | Obstacle Position Hi there, Is it possible to obtain the co-ordinates of an obstacle that we manually add in Gazebo ? I want to write a ros node such that the user adds the obstacle initially and then the node obtains that position of obstacle from Gazebo and modifies its x-cordinate. Is this possible ? |
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2017-02-17 15:24:57 -0500 | marked best answer | Octree to Quadtree from Octomap Hi there, I am using Octomapping in ROS to generate an occupancy grid but I want to use it for 2d Navigation so is there a possibility to convert the optimized Octree to a Quadtree ? |
2017-02-17 15:24:56 -0500 | marked best answer | Strange Visualization of Octomap Hi there, I am running Octomapping with a Hokuyo Laser Scanner mounted on the front bumper of a Husky A200 but when I visualize the Octomap, I see some grid being strangely marked as unknown in the beginning but after cross the (0,0) the whole is working properly. In the screen cap below, you can see that from the very top of the map which is where the husky starts, some pixels were marked as unknown however they should be marked as known and free. then after passing the origin of the map point suddenly the Free spaces are stitched together and we see the whole white space being visualized correctly. Why are some pixels being marked strangely in the beginning ? The Octomap Starts off like this : A little later it looks like this : Also, all area behind the obstacles is still marked as FREE Space as shown here: Finally it looks like this Why is there like a triangle of pixels to the left of Husky being marked at unknown in the beginning although between the robot and the wall there is nothing so the whole area should be marked as known? |
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2016-05-08 15:22:38 -0500 | marked best answer | Detect open sides of a box Hey Guys, I am using a Baxter and ROS Groovy. I am given a box with one side missing. I want to use both the arm cameras to detect which side is missing and then be able to use the appropriate arm to go in and out of the box. How can i achieve this task ? |
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2015-09-10 05:49:31 -0500 | commented answer | Strange Visualization of Octomap Hmm i see. Well i tried different max_range values from 5.0 all the way upto 24.0 but nothing seemed to change. The original grid values are still strange. |