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Copy file name to clipboardExpand all lines: doc/how_to_guides/isaac_panda/isaac_panda_tutorial.rst
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@@ -2,8 +2,8 @@ How To Command Simulated Isaac Robot
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This tutorial requires a machine with ``Isaac Sim 4.5`` (recommended) or ``Isaac Sim 4.2`` installed.
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For Isaac Sim requirements and installation please see the `Omniverse documentation <https://docs.omniverse.nvidia.com/isaacsim/latest/index.html>`_.
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To configure Isaac Sim to work with ROS 2 please see `this guide <https://docs.omniverse.nvidia.com/isaacsim/latest/installation/install_ros.html#running-native-ros>`_.
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For Isaac Sim requirements and installation please see the `Omniverse documentation <https://docs.isaacsim.omniverse.nvidia.com/latest/index.html>`_.
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To configure Isaac Sim to work with ROS 2 please see `this guide <https://docs.isaacsim.omniverse.nvidia.com/latest/installation/install_ros.html#running-native-ros>`_.
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This tutorial has the following assumptions on system configuration:
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</xacro:if>
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In this tutorial we have included a Python script that loads a Panda robot
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and builds an `OmniGraph <https://docs.omniverse.nvidia.com/isaacsim/latest/gui_tutorials/tutorial_gui_omnigraph.html>`_
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and builds an `OmniGraph <https://docs.omniverse.nvidia.com/extensions/latest/ext_omnigraph/tutorials/gentle_intro.html>`_
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to publish and subscribe to the ROS topics used to control the robot.
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The OmniGraph also contains nodes to publish RGB and Depth images from the camera mounted on the hand of the Panda.
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The RGB image is published to the topic ``/rgb``, the camera info to ``/camera_info``, and the depth image to ``/depth``.
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The frame ID of the camera frame is ``/sim_camera``.
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To learn about configuring your Isaac Sim robot to communicate with ROS 2 please see the
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`Joint Control tutorial <https://docs.omniverse.nvidia.com/isaacsim/latest/ros2_tutorials/tutorial_ros2_manipulation.html>`_
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`Joint Control tutorial <https://docs.isaacsim.omniverse.nvidia.com/latest/ros2_tutorials/tutorial_ros2_manipulation.html>`_
Copy file name to clipboardExpand all lines: doc/how_to_guides/trac_ik/trac_ik_tutorial.rst
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By default, the IK search returns immediately when either of these algorithms converges to an answer.
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Secondary constraints of distance and manipulability are also provided in order to receive back the "best" IK solution.
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The package `trac_ik_kinematics_plugin <https://bitbucket.org/traclabs/trac_ik/src/rolling-devel/trac_ik_kinematics_plugin/>`_ provides a ``KinematicsBase`` MoveIt interface that can replace the default KDL solver.
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The package `trac_ik_kinematics_plugin <https://bitbucket.org/traclabs/trac_ik/src/rolling/trac_ik_kinematics_plugin/>`_ provides a ``KinematicsBase`` MoveIt interface that can replace the default KDL solver.
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Currently, mimic joints are *not* supported.
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Install
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-------
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The ``rolling-devel`` branch of the TRAC-IK repository has the latest ROS 2 implementation.
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For now, the repository must be built from source in your ROS 2 workspace, for example ``~/moveit2_ws``. ::
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The ``rolling`` branch of the TRAC-IK repository has the latest ROS 2 implementation, but it is also available as binaries.
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If you instead want to build from source, go to your ROS 2 workspace, for example ``~/moveit2_ws``. ::
git clone -b rolling https://bitbucket.org/traclabs/trac_ik.git
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Usage
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- **kinematics\_solver\_attempts** parameter is unneeded: unlike KDL, TRAC-IK solver already restarts when it gets stuck.
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- **kinematics\_solver\_search\_resolution** is not applicable here.
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From the `trac_ik_lib <https://bitbucket.org/traclabs/trac_ik/src/rolling-devel/trac_ik_lib/>`_ package documentation (slightly modified), here is some information about the solve type parameter:
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From the `trac_ik_lib <https://bitbucket.org/traclabs/trac_ik/src/rolling/trac_ik_lib/>`_ package documentation (slightly modified), here is some information about the solve type parameter:
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- ``Speed``: returns very quickly the first solution found.
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- ``Distance``: runs for the full timeout, then returns the solution that minimizes sum of squares error (SSE) from the seed.
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