Questions tagged [mesh]

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ROS DDS support for IPv6

The big question is: Does ROS2 (humble or iron mainly) support IPv6? With some really basic testing, it would seem that out of the box the answer is no. I started a publisher from the minimal examples ...
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Is there a lightweight 3D Mesh Viewer library or framework in C++ besides Pangolin?

I'm working with SLAM in C++ and used for this the good old pangolin viewer, but now I want to create a triangulated mesh in this viewer. Before I start with my programming, I thought I will do some ...
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Simulating Dynamic Object/Surface Color Interaction in Gazebo

I'm currently working on a project to simulate a robot painting a car part, similar to the process in the video linked here. I can't find a way to implement the dynamic color interaction between the ...
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ROS 2 Mesh file and Pointcloud Matching Package

Hi Dear ROS Developers, I am looking for a ros2 package to take input of my PCD mesh file and compare the PCD with Real-time point-cloud data on the given frame and giving me the center of the object ...
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Cannot import mesh to planning scene in rviz using python

I am using Ros Noetic Ninjemys with Ubuntu 20.04. I am trying to import a mesh into the scene using python. I am able to import the STL file of the mesh using the rviz gui, but I am not able to do the ...
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Robot collision and visuals not loaded/shown properly

Greetings. I try to load a Universal Robots UR10 via it's URDF file into Gazebo. The robot spawner does allegedly spawn the robot correctly. Nevertheless, nether the robots visuals (.dae) nor its ...
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Run navigation stack on pointcloud only

Hi all, from the SLAM algorithm I use, I can get a mesh or a Pointcloud representation of the map. Can I somehow run the standard navigation stack? My idea is to use a empty static map and use the ...
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1 answer
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how to download a pcl data?

hello everyone, I want to save pcl data , the purpose is to use it to create a mesh file on which I can work on in a CAD software. Is there some existing package that can help me with it? Originally ...
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Can't import mesh in Gazebo world

Hi, I am working on a custom rospackage to spawn custom meshed models in Gazebo. The package name is person_sim. The file structure of the package is as following, <...
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1 answer
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Is it possible to load OGRE meshes in Ignition Gazebo

I can export OGRE meshes from blender with blender2ogre so it seems straightforward to use them in the simulations but the sdf "mesh" tag doesn't support this format. Is it true that I can't ...
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1 answer
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Rviz: STL marker has missing or transparent faces (prevent culling)

Hi, I'm publishing an STL file using a Marker message, and while Rviz can load the mesh file correctly, some faces of the mesh are missing. It seems that the faces that as a negative normal are not ...
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stl mesh does not become visible in Rviz

With the code below I try to get a collision object into Rviz. For some reason the stl mesh is not showing in the 3D viewer. However the object I am trying to insert is based on the exact same stl ...
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Unable to open stl file into scene in C++

Dear All, I am having some trouble importing an stl file into my scene. I am able to import the stl file into the scene trough the Rviz gui in the 'scene objects' tab and the part becomes visible in ...
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1 answer
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Adding meshes to detected transform

OS: Ubuntu 18.04.2 DISTRO: Melodic I have a small custom mobile robot with a Intel Realsense d435i on it to perform machine vision tasks such as object recognition and grasping. The node I've written ...
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1 answer
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Pointcloud data to mesh conversion

Hi, I would like to create a mesh out of a pointcloud which I keep in a list, let's say. Is this really possible? If so, does anyone know a way to do it? Originally posted by Jägermeister on ROS ...
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1 answer
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textures in an imported mesh?

There is a simple way to add the textures to a mesh? I have imported few models form 3dwarehouse, when I export them to .dae, I get the mesh that I can correctly use in Gazebo , but of course without ...
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How can I add mesh?

I am a beginner, I am making a 4dof custom arm and I am not able to understand how to add mesh objects to the existing links and code for putting the links at right places with respect to meshes? how ...
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1 answer
280 views

RViz doesn't load .dae mesh. Cannot locate it

I am trying to load an underwater robot mesh in RViz. Because I could not do this with a .osg file, I converted it to .dae with Blender. Even though I have done that, RViz is still not able to load it ...
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1 answer
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Can I use triangle list from RVIZ to display a polygon mesh from PCL?

Hello, I am trying to display a polygon mesh in real time in rviz. I am using the mesh from pcl (pcl::PolygonMesh). I believe that the only way is to use the triangle list method but I cant seem to ...
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1 answer
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Gazebo 7, Ambulance model (and other) Invalid mesh filename extension crash

Hello, I installed Gazebo 7 and then downloaded models from https://bitbucket.org/osrf/gazebo_models/downloads/and placed them inside ~/.gazebo/models/ (because gazebo refuses to automatically ...
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confusing RVIZ message says triangle count does not match file size

We were getting an error message from RVIZ saying that our STL file is too small. We upgraded from Kinetic to LoggerHead based on so web searching but nothing fixed the issue. In the end it turned out ...
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1 answer
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How to resize meshes in URDF?

I am currently drawing out my robot using URDF. I am at the end of the first URDF tutorial (see http://wiki.ros.org/urdf/Tutorials/Building%20a%20Visual%20Robot%20Model%20with%20URDF%20from%20Scratch#...
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1 answer
19 views

RVIZ Marker STL Mesh Color and Transparency Issues

Hi, Has anyone been able to get STL meshes to properly display with the specified color and alpha values when generating the messages in roscpp and visualizing them in RVIZ? For some reason, I can get ...
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2 answers
6 views

Origin of the mesh resource

So i have made my model in solidworks exported it as binary STL file with origin in center of the object. When I am trying to visualize in rviz the origin is somewhere in corner of my mesh file, not ...
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4 answers
214 views

Is it possible to use relative path for mesh filename in URDF?

I have my mesh STL in the same directory as my URDF so I was hoping I could reference it via a relative path. This works as expected ...
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1 answer
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Mesh information (vertices, links, triangles) from model in Rviz

How could I obtain the mesh information rendered from a model from URDF/XACRO file after being rendered in Rviz? Originally posted by Huskinu on ROS Answers with karma: 16 on 2017-03-03 Post score: 0
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1 answer
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Mesh not displayed when launching with ROS

Hi, I created a cube with a texture in Blender, exported it as .obj and converted it with meshlab to .dae. I included the File in the world and works fine if I run it with gazebo . But if I try ...
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1 answer
16 views

Rviz Marker Triangle List: bad shader

Why if i create a Mesh triangle-by-triangle by using visualization_msgs::Marker (type=TRIANGLE_LIST) the shader doesn't take into account normals ? Surface shader is not working. See attached image: ...
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1 answer
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Large Collada meshes only render partially

Ever since I've upgraded to Gazebo 7, any LARGE mesh I use as a visual in a model file only partially loads. The majority of the polygons/shapes are missing when I load the model in Gazebo. I have ...
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1 answer
2 views

Problem importing collada model

Recently i made a model of a tunnel in blender that looks like this: I exported it to a Collada file but when i load the model into gazebo some parts of the model disappeared. I am using gazebo 2.2.3. ...
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1 answer
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URDF Mesh filetypes?

What are all the possible filetypes I can use in the , <mesh ... /> tag? I'm actually trying to use another URDF file as a mesh filetype, but it doesn't seem to be possible. Originally posted ...
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1 answer
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Convert ros markers into pcl or mesh

Hi. I am a newbie in ROS. Recently, I start working on the SLAM method(developed by someone else ). I have a node which publishes to the topic /Map. The messages are of type: visualization_msgs/Marker....
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1 answer
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How do I make my meshes appear shaded?

Most of the time when visualizing meshes in RViz they appear edgy, the shading is not good: How do I make my mesh appear smooth? Originally posted by VictorLamoine on ROS Answers with karma: 1505 on ...
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2 answers
27 views

Rviz trying to display shape_msgs Mesh

Hi There, I've created a ROS node that uses a lidar scanner and a pan tilt unit to create 3d scans. These scans are published by the node as shape_msgs::Mesh messages. I was hoping to be able to ...
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1 answer
50 views

pcl (pointcloud) to mesh

Hi, I want to convert pointcloud data set to mesh. What I know is that first I need to convert pointcloud recorded in a rosbag to pcd, then pcd to ply, and finally ply to mesh using MeshLab. I can ...
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1 answer
2 views

Rviz and Nodelets

Is there a way to use nodelets that would allow drawing objects in Rviz without having to send messages/copy data? I would like to visualize a large triangle mesh that gets updated periodically (...
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1 answer
6 views

Unable to display Mesh as an interactive marker

I want to use a mesh as a marker. To do that, I changed basic_controls.py to : ...
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1 answer
11 views

load mesh to rviz and "publish current scene" no effect MoveIt!

When I work with MoveIt!, instead of loading objects from the tabs in Rviz GUI, I loaded a mesh model into rviz using C++ code (visualization marker) and the loading was successful, I can see the ...
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1 answer
16 views

Mesh .dae file with textures invisible

I created a file .dae with sketchup of a cube with Textures. I want to put the cube over a pioneer but when I see the robot in Rviz the cube is transparent. Should I stop using sketchup to generate ...
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2 answers
25 views

Creating stl mesh file with textures

Hello, I'm trying to make a simple cube to set over a pioneer. The cube has some Aruco Tags (textures). I did the cube in sketchup and them exported it to stl. Then I saved it with meshlab and put it ...
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1 answer
15 views

RViz ignores COLLADA mesh colours

I have a COLLADA (.dae) file that I have exported from blender. Its just a cube that has been shaded green. However, whenever I try to get rviz to display this mesh (using a Marker display) all I get ...
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1 answer
2 views

scale tag in uwsim

Hello, I want to use scale tag for my mesh file in urdf that is loaded in uwsim, i tried like standard urdf in mesh tag, but it doen't work, also tried with inside collision tag that i got parsing ...
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3 answers
20 views

Creating custom Gazebo world files from sdf's/dae's for use with roslaunch

Hi, I have been trying to figure this out for a couple of days now and am having trouble. Basically I want to create a world file to be launched via roslaunch that is composed of number of model sdf'...
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1 answer
26 views

Creating mesh from a simple point cloud

Hi, I am trying to create mesh from a point cloud, and currently having trouble finding the right parameters/methods to get good result. I have created point cloud (sampled from a, plane extracted ...
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1 answer
5 views

Unable to combine MLS and mesh generation in one file

Hi, I am able to do MLS and then also generate mesh, but I need to do both of them separately. I am not able to find a way to do it in one go. First I do MLS and save the file. And then read that file ...
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1 answer
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Export a whole world as a mesh

Is it possible to export a whole world as a single mesh file? Cheers Originally posted by ffurrer on Gazebo Answers with karma: 349 on 2014-07-09 Post score: 0 Original comments Comment by mcamurri ...
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1 answer
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Creating a better mesh

Hi, I wanted to create mesh of household objects, so that I can later recreate the household scene in Gazebo. I want to use kinect and think that interactively, it can be done quite easily. My exact ...
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1 answer
11 views

Cannot load Mesh Marker in ros3djs

Continuation from here Attempting to load a mesh marker in the browser results in the following errors: ...
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Import scene model into RVIZ/MoveIt

Hi all, I am wanting to launch RVIZ and have it import laboratory environment into the planning scene. I have a 3D model of the lab in SolidWorks and available as an STL. How can I do this? Are there ...
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1 answer
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Creating a CollisionObject from a mesh in Hydro

I'm trying to create create a collision object from a mesh resource and am having trouble understanding how to pass an enumerated type to a message constructor: ...
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