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Exporting model and textures from Blender

asked 2019-08-06 18:26:11 -0500

ROSAgriculture gravatar image

updated 2019-08-07 09:33:08 -0500

This is a similar question to http://answers.gazebosim.org/question...

I have a 3d model of a plant image description

When I export it as a .dae from Blender it exports the file into multi parts

image description

When I add the plant to my URDF file:

<visual>
  <origin xyz='1.55 0 0' rpy='0 0 0' />
  <geometry>
    <mesh filename="package://lawn_tractor_sim/meshes/beet/beet.dae" scale='1 1 1'/>
  </geometry>
</visual>

It shows up grey in simulation and in RVIZ:

image description

Is there a tutorial on how to export a model from blender and get the textures to show up in gazebo?

When I try to export it as a .obj from Blender I get two files .mtl and .obj but not sure how to load them or where the textures are. The obj looks like a different approach. How are these images made and exported https://github.com/osrf/car_demo/blob...

Thanks in advance,

Matt

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2 Answers

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answered 2019-08-14 15:08:55 -0500

rmv24 gravatar image

updated 2019-08-14 15:10:41 -0500

When you export as a collada (dae) file from Blender, you should see an option on the left to import textures as well, it's quite easy to miss it.

C:\fakepath\Screenshot from 2019-08-14 15-12-22.png

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answered 2019-08-13 08:09:28 -0500

kumpakri gravatar image

Is there perhaps a reference in your DAE file to some JPG file? Is this JPG file present in the model folder under the file structure materials/textures/?

The structure of a model folder for models with mesh geometry given by DAE file should be

.
├── materials
│   └── textures
│       └── model_name.jpg
├── meshes
│   └── model_name.dae
├── model.config
└── model.sdf
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Asked: 2019-08-06 17:49:50 -0500

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Last updated: Aug 14