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TF2 Question about frame conversion

I modeled the following robot with an urdf file. Thanks to a robot state publisher, i have access to the static tfs between camera_link and base_link. I'm using orb_slam3 library as SLAM algorithm. ...
Kevin_dans_son_garage_du_63's user avatar
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1 answer
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How to transform a vector in rospy?

I couldn't find any tutorials for my situation. I have a vector (23.7, 0, 0) and I want to transform (only rotation no translation needed) it into another frame which is RPY (0.39, 0, 1.64). I'm ...
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Could not find a connection between 'map' and 'base_link' because they are not part of the same tree.Tf has two or more unconnected trees

Hi! I would like to do an exploration. These are the steps I followed: ...
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1 answer
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How do I link tf_conversions to a RViz panel?

I am designing a Qt panel that is integrated into RViz. At some point this Qt panel needs to convert an Eigen::Affine3d to a ...
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1 answer
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tf_conversions replacement in tf2

I understand that now tf is depreciated and the tf packages lib actually runs off tf2. I like to know if the tf_conversions package has any equivalent in tf2? I am trying to build a package which was ...
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4 answers
329 views

Quaternion transformations in Python

I'm trying to place some Markers in RViz, using a node written in Python. To this end, I need to create a geometry_msgs.mgs.Pose with an ...
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1 answer
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hydro tf::Transform misses .asBt() methods?

I'm moving from fuerte to hydro. As I'm interfacing with bullet directly for physical simulations I regularly used tf::Transform::asBt() which seems to be missing in the tf implementation for hydro. I ...
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1 answer
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Counterpart to pcl_ros::transformAsMatrix?

Hi, I understand pcl_ros::transformAsMatrix(const tf::Transform& bt, Eigen::Matrix4f &out_mat) can be used to convert a tf::transform to a 4x4 matrix describing the same transformation. I am ...
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tf_conversions / posemath / pykdl problem with fromMsg

There seems to be a bug in the python kdl wrapper, leading to unexpected behavior when working on KDL frames. I felt like posting it here since other people might run into it before it's fixed, and ...
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2 answers
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set tf_remap private parameters from console

Hi!! I'm trying to use the tf_remap node without making a launch file. The problem is that the mapping should be specified in the ~mappings parameter of the tf_remap node. I tried this but it does not ...
Pablo Iñigo Blasco's user avatar