pacifica's profile - activity

Import external modules python3 and ROS2 Hi Guys, I am quite new of ROS2 world. I am trying to develop a python node bu

import external modules ROS2 python Hi Guys, I am quite new of ROS2 world. I am trying to develop a python node but I a

reprojectImageTo3D output to point cloud Hi to all, I have a stereo camera and my goal is to obtain the 3d Point cloud

Thank you for your comment. Sure I could try using a classical 3d slam algorithm converting Laser data in point cloud. I

3d slam with 2d sensor Hi guys, I am wandering if any software exists to perform 3d SLAM with a 2d laser scanner. In pr

Mimic joints with KDL Hi to all, I am addressing an issue using KDL to solve Inverse Kinematic problem and mimic joints

Mimic joints with KDL Hi to all, I am addressing an issue using KDL to solve Inverse Kinematic problem and mimic joints

Hi jarvisschultz. Thanks to your suggestion I think that my issue was (probably) related to graphic acceleration or grap

Thank you. I will follow you suggestion.

Error using depth sensor in Gazebo 7 Hi all, I am using Ros kinetic, with Ubuntu 16.04. I am running Gazebo 7, trying t

Error using depth sensor in Gazebo 7 Hi all, I am using Ros kinetic, with Ubuntu 16.04. I am running Gazebo 7, trying t

Hi all!

I cannot use this type of data: sensor_msgs/CompressedImage. I've trasformed the originale image stream with the "image_transport" package, to send image over internet. Now i need to trasform this compressed image in a usable image (a sensor_msgs/Image or somethink like).

Any suggestions??

Thanks a lot!

Hi everybody!

I am wondering if there is a way to generate the URDF model of my robot starting from the joint_states or tf messages. The fact is that I have the single parts of my robot in STL format, and I have the kinematic too. Now I need to obtain the URDF model of the robot to use it with MoveIT! ( I understand that usually the way is to generate URDF from STL and then use th e robot_state_pubilsher to obtain the joint_states message, but I have only my custom robot unassembled).

Thank you!

Hi guys!

I'm on a problem trying to compile roboearth package. I've follow the instruction posted on http://www.ros.org/wiki/roboearth, using rosinstall to download the package. When i try to compile the package with: "rosmake roboearth" i'll got a lot of error, i think that are related to some java problems. Here are the logs:

    /home/prisma/fuerte_workspace/stacks/knowrob/json_prolog/src/java/edu/tum/cs/ias/knowrob/json_prolog/PrologBindings.java:80: cannot find symbol
  symbol  : variable JSONUtils
  location: class edu.tum.cs.ias.knowrob.json_prolog.PrologBindings
                    if(JSONUtils.isArray(bdg)) {
                       ^
  /home/prisma/fuerte_workspace/stacks/knowrob/json_prolog/src/java/edu/tum/cs/ias/knowrob/json_prolog/PrologBindings.java:82: cannot find symbol
  symbol  : variable JSONArray
  location: class edu.tum.cs.ias.knowrob.json_prolog.PrologBindings
                        Term[] objs = JSONQuery.decodeJSONArray(JSONArray.fromObject(bdg));
                                                                ^
  /home/prisma/fuerte_workspace/stacks/knowrob/json_prolog/src/java/edu/tum/cs/ias/knowrob/json_prolog/PrologBindings.java:90: cannot find symbol
  symbol  : variable JSONUtils
  location: class edu.tum.cs.ias.knowrob.json_prolog.PrologBindings
                    } else if(JSONUtils.isObject(bdg)) {
                              ^
  /home/prisma/fuerte_workspace/stacks/knowrob/json_prolog/src/java/edu/tum/cs/ias/knowrob/json_prolog/PrologBindings.java:91: cannot find symbol
  symbol  : variable JSONObject
  location: class edu.tum.cs.ias.knowrob.json_prolog.PrologBindings
                        Term obj = JSONQuery.decodeJSONValue(JSONObject.fromObject(bdg));
                                                             ^
  /home/prisma/fuerte_workspace/stacks/knowrob/json_prolog/src/java/edu/tum/cs/ias/knowrob/json_prolog/PrologBindings.java:94: cannot find symbol
  symbol  : variable JSONUtils
  location: class edu.tum.cs.ias.knowrob.json_prolog.PrologBindings
                    } else if(JSONUtils.isString(bdg)) {
                              ^
  /home/prisma/fuerte_workspace/stacks/knowrob/json_prolog/src/java/edu/tum/cs/ias/knowrob/json_prolog/PrologBindings.java:97: cannot find symbol
  symbol  : variable JSONUtils
  location: class edu.tum.cs.ias.knowrob.json_prolog.PrologBindings
                    } else if(JSONUtils.isNumber(bdg)) {
                              ^

I'm using Ubuntu 12.04 and ros fuerte release.

Any suggestions??

Hi Guys!

I'm new of gazebo world. I've build a little arm with 3 links and 2 joints. With the user interface i can assign a forse to a joint or a position too (in degree for example). I cannot find a way to do the same thing by the topics or services (i need to set position but i've find just this service: gazebo/apply_joint_effort but this don't help me)

Thank you!

Hi all,

I'm a new ros user. I'm working on a project written in ROS cturtle's version. I'm having a lot of problems infact cturtle is supported on ubuntu 10.10 (the last) and i cannot upgrade my pc with an upgraded OS. I've tried to import the project in Ros electric but i've too much compilation errors (i think that are libs problems).

There is a way to install cturtle on new OS? Or, There is a way to get compatibility between the two versions?

Thank you

Hi guys!

Anyone had never used the ompl (http://ompl.kavrakilab.org/index.html) library to plan the motion of a mobile robots ( car-like or quadrotor )?? I've read all tutorials and demos too, but, while with the geometric constraint the result are really interesting, under differential constraints the results are unusable, the planned trajectory are always approximate or too much inaccurate. I've the same results with the appgui... anyone can tell me if i wronging something? Anyone have good results??

Thanks a lot.

(NB i'm using the last version of ompl in standalone version).

Thanks a lot!! rosdep resolved my problems, i miss libjson!