{"action":"opened","issue":{"url":"https://api.github.com/repos/ros-visualization/rviz/issues/995","repository_url":"https://api.github.com/repos/ros-visualization/rviz","labels_url":"https://api.github.com/repos/ros-visualization/rviz/issues/995/labels{/name}","comments_url":"https://api.github.com/repos/ros-visualization/rviz/issues/995/comments","events_url":"https://api.github.com/repos/ros-visualization/rviz/issues/995/events","html_url":"https://github.com/ros-visualization/rviz/issues/995","id":147472302,"number":995,"title":"Transparency from Collada/DAE meshes is ignored","user":{"login":"VictorLamoine","id":5566160,"avatar_url":"https://avatars.githubusercontent.com/u/5566160?v=3","gravatar_id":"","url":"https://api.github.com/users/VictorLamoine","html_url":"https://github.com/VictorLamoine","followers_url":"https://api.github.com/users/VictorLamoine/followers","following_url":"https://api.github.com/users/VictorLamoine/following{/other_user}","gists_url":"https://api.github.com/users/VictorLamoine/gists{/gist_id}","starred_url":"https://api.github.com/users/VictorLamoine/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/VictorLamoine/subscriptions","organizations_url":"https://api.github.com/users/VictorLamoine/orgs","repos_url":"https://api.github.com/users/VictorLamoine/repos","events_url":"https://api.github.com/users/VictorLamoine/events{/privacy}","received_events_url":"https://api.github.com/users/VictorLamoine/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":0,"created_at":"2016-04-11T15:51:10Z","updated_at":"2016-04-11T15:51:10Z","closed_at":null,"body":"I attach an end-effector to a robot and set the transparency channel to 0.5 in the visual DAE mesh.\r\nThe transparency property is ignored by RViz and the mesh is dislayed 100% opaque:\r\n\r\n![eff](https://cloud.githubusercontent.com/assets/5566160/14432878/55e85528-000c-11e6-92aa-a8ff270c683f.png)\r\n\r\nSuzanne monkey should be transparent.\r\n\r\nHere is what the DAE mesh file looks like:\r\n```xml\r\n    <effect id=\"Material_001-effect\">\r\n      <profile_COMMON>\r\n        <technique sid=\"common\">\r\n          <phong>\r\n            <emission>\r\n              <color sid=\"emission\">0 0 0 1</color>\r\n            </emission>\r\n            <ambient>\r\n              <color sid=\"ambient\">0 0 0 1</color>\r\n            </ambient>\r\n            <diffuse>\r\n              <color sid=\"diffuse\">0.1567682 0.1241165 0.8000001 1</color>\r\n            </diffuse>\r\n            <specular>\r\n              <color sid=\"specular\">0.5 0.5 0.5 1</color>\r\n            </specular>\r\n            <shininess>\r\n              <float sid=\"shininess\">50</float>\r\n            </shininess>\r\n            <transparency>\r\n              <float sid=\"transparency\">0.5</float>\r\n            </transparency>\r\n            <index_of_refraction>\r\n              <float sid=\"index_of_refraction\">1</float>\r\n            </index_of_refraction>\r\n          </phong>\r\n        </technique>\r\n      </profile_COMMON>\r\n    </effect>\r\n```\r\n\r\nHere is a repo containing a full example:\r\nhttps://github.com/VictorLamoine/rviz_mesh_transparency\r\n"}}