Ivan Rojas Jofre's profile - activity

Hi everyone!!

My name is Ivan. I have worked some years with ROS. But now, I don´t Understand the new organization of package. For example in Fuerte version, we had this arquitecture: example-ros-pkg

- RobotA(Stack)
- Package1
- Package2
- Package3

- RobotB(Stack)
- Package1
- Package2
- Package3
- RobotD(Stack)
.
.
.
- RobotE(Stack) .
.
.

In a Groovy version, the stack concept has been removed, How can reorganize our repository to respect the new standard?

Thanks for your comments!

Hi everyone:

In my university are interested in creating a ROS mirror in our servers.

Let us know that specifications need.

Thanks!

Hi everyone!

I have a doubt about XACRO. Is possible from xacro to read a parameters in the Parameters Servers?

Thanks!

Hi everyone!!!!

I need work with OMPL, but in a special way, The Input is a set of cartesian coordinates and I need the output in cartesian coordinates.

Can anyone help me?

PD: The tutorial of ompl in the wiki runs in diamondback but it is not working in electric

Thanks!

Hi everyone!!!

I have little problem with Gazebo. How I can make the sim_time equal to real time?, in another words, How I can do for what 1 seconds in sim_time equal to 1 seconds in real time?

Thanks!!

Hi everyone!!

I have a problem with arm_navigation stack. I need to get a trajectory with target time, in other words, I want a path that executed in that time. The MotionPlanRequest message, that it inside move_arm_action, has two parameters for to defined path duration. But, the result trajectory time is smaller that target time.

Any ideas??

Thanks!!

Hi Everyone!!!

Anyone know where could I find the parameter list of the filterChain from filter's package?

Thanks!

Hi everyone!!! I need some help with OMPL.

when the planner computes a path gives me a few points, and I need 200 Hz (500 points per second)

Anyone know of any parameter to change?

Thanks!!

I have a problem and do not know how to solve. I am using ros, with its new arm_navigation, launched on roslaunch, and then not as moving the robot. I try to run this code to communicate with the move_arm, but I can not move anything

     ros::init (argc, argv, "move_arm_pose_goal_test");
  ros::NodeHandle nh;
  actionlib::SimpleActionClient<arm_navigation_msgs::MoveArmAction> move_arm("move_arm",true);
  move_arm.waitForServer();
  ROS_INFO("Connected to server");
  arm_navigation_msgs::MoveArmGoal goalA;
  goalA.planner_service_name="/environment_server/set_planning_scene_diff";

  goalA.planning_scene_diff.robot_state.joint_state.name.resize(7);
  goalA.planning_scene_diff.robot_state.joint_state.name[0]="wam1";
  goalA.planning_scene_diff.robot_state.joint_state.name[1]="wam2";
  goalA.planning_scene_diff.robot_state.joint_state.name[2]="wam3";
  goalA.planning_scene_diff.robot_state.joint_state.name[3]="wam4";
  goalA.planning_scene_diff.robot_state.joint_state.name[4]="wam5";
  goalA.planning_scene_diff.robot_state.joint_state.name[5]="wam6";
  goalA.planning_scene_diff.robot_state.joint_state.name[6]="wam7";

  goalA.planning_scene_diff.robot_state.joint_state.position.resize(7);
  goalA.planning_scene_diff.robot_state.joint_state.position[0]=0.0;
  goalA.planning_scene_diff.robot_state.joint_state.position[1]=1.0;
  goalA.planning_scene_diff.robot_state.joint_state.position[2]=0.5;  
  goalA.planning_scene_diff.robot_state.joint_state.position[3]=1.0;
  goalA.planning_scene_diff.robot_state.joint_state.position[4]=0.5;
  goalA.planning_scene_diff.robot_state.joint_state.position[5]=0.0;
  goalA.planning_scene_diff.robot_state.joint_state.position[6]=0.5;

  if (nh.ok())
  {
    bool finished_within_time = false;
    move_arm.sendGoal(goalA);
    finished_within_time = move_arm.waitForResult(ros::Duration(200.0));
    if (!finished_within_time)
    {
      move_arm.cancelGoal();
      ROS_INFO("Timed out achieving goal A");
    }
    else
    {
      actionlib::SimpleClientGoalState state = move_arm.getState();
      bool success = (state == actionlib::SimpleClientGoalState::SUCCEEDED);
      if(success)
        ROS_INFO("Action finished: %s",state.toString().c_str());
      else
        ROS_INFO("Action failed: %s",state.toString().c_str());
    }
  }

as missing in electric tutorials for this, anyone know how to do? thanks for all!

enter code here

Hi !!!

My name is Iván.I'm working with the arm-navigation package. It work excellently. But now I have to add obstacles, and do not know how to tell the arm_naviagation where the obstacles are.

Could somebody give me a pointer?

Thanks!!

Hello All: My name is Ivan, I'm working on a project with ROS and Gazebo. but I have the following problem:

I have a package (wam_description) where is the file urdf the robot, and in another package I created the plugin for gazebo (wam_gazebo), where I have a library and a small urdf where where ls declare variables for use in the plugin (and all, obviously, within the label <gazebo>)

My question is how I can tell the plugin Gazebo to use?, Before I had no problems and it was all in one package, but now we defragmented the packet and do not know how to solve the problem

Thanks for your time

Hi everyone!

My name is Ivan, and I have a problem with Ros discussed below: rviz running with "roslaunch orrosplanning collada_rviz_display.launch model: = barrettwam.dae" to start simulation of the WAM all display screen but nothing else and throw rviz the following errors:

rviz: /opt/ros/diamondback/stacks/robot_model/urdf/src/collada_model_reader.cpp:683: bool urdf::ColladaModelReader::_ExtractKinematicsModel(domKinematics_modelRef, domNodeRef, domPhysics_modelRef, const std::list<urdf::ColladaModelReader::JointAxisBinding, std::allocator<urdf::ColladaModelReader::JointAxisBinding> >&): La declaración `_checkMathML(papplyelt,"apply")' no se cumple.
[rviz-3] process has died [pid 27214, exit code -6].
log files: /home/ivaxxus/.ros/log/03c9da48-61d6-11e0-a0aa-70f1a192dd31/rviz-3*.log
Traceback (most recent call last):
  File "/opt/ros/diamondback/stacks/orrosplanning/collada_joint_publisher.py", line 78, in <module>
    jsp.loop()
  File "/opt/ros/diamondback/stacks/orrosplanning/collada_joint_publisher.py", line 53, in loop
    if link.GetParentLink() is None:
AttributeError: 'Link' object has no attribute 'GetParentLink'
[collada_joint_publisher-2] process has died [pid 27213, exit code -11].
log files: /home/ivaxxus/.ros/log/03c9da48-61d6-11e0-a0aa-70f1a192dd31/collada_joint_publisher-2*.log

And that's not all, I have tested with other models collada_robots, only throw an error here is this:

Traceback (most recent call last):
  File "/opt/ros/diamondback/stacks/orrosplanning/collada_joint_publisher.py", line 78, in <module>
    jsp.loop()
  File "/opt/ros/diamondback/stacks/orrosplanning/collada_joint_publisher.py", line 53, in loop
    if link.GetParentLink() is None:
AttributeError: 'Link' object has no attribute 'GetParentLink'
[collada_joint_publisher-2] process has died [pid 27589, exit code -11].
log files: /home/ivaxxus/.ros/log/92315086-61d6-11e0-9589-70f1a192dd31/collada_joint_publisher-2*.log

Not what happens, I have a few days trying to solve the problem but I can not.

In case you need my pc is a Toshiba Satellite L655D, with AMD and ATI Mobility RADEON HD 4200 and SO: Ubuntu 10.10

I appreciate the time given Yours sincerely

Hi everyone!!

My name is Ivan, I'm new in this comunity,and I write because I need a robot for my project wam in a file URDF to gazebo. But the truth is not where to find one (and for that matter, I've been late on my project and I tried to create but favorable Last results) Anyone know where I can find one?? thank everyone in advance Greetings

Hi jbinney: yes, these packages have a package.xml and CMakelist.txt each one. In fact, ROS only can see is the nxt_robot. For example, if write "roscd nx" and pressed tab,only show a nxt_robot. The same problem with rosrun, etc

Hi jbinney: yes, these packages have a package.xml and CMakelist.txt each one. In fact, ROS only can see is the nxt_robot. For example, if write "roscd nx" and pressed tab,only show a nxt_robot. The same problem with rosrun, etc