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Publish a transparent marker with non-transparent edge

asked 2022-05-21 05:29:36 -0500

Vignesh_93 gravatar image

updated 2022-05-21 05:31:42 -0500

Hello developers

I am currently working with publishing marker in ros as a topic and is successful in publishing different types. It would be my next step to make the markers transparent with the edge of the marker non transparent, meaning if I want to publish a cube, the edges of the cube only needs to be visible not the faces and so the the edge is essentially transparent.

Reason : The idea behind this is to visualise the surrounding in the form of transparent cubes and observe sensor detentions of the objects in side the cubes.

thanks in advance


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answered 2022-05-22 15:54:12 -0500

Vignesh_93 gravatar image

One of an inefficient ways to do so is publishing line markers for each and every cube. But this requires a lot of resource and computation power. This amounts to saying there are 12 unique lines for each cubes. So if we are publishing a cube of cubes whose size is 1X1X1 and if the side is split into 4 points, results in a total of 16X16 cubes. This equals 16X16X12 lines (there will be a lot of over laps)..

If anyone comes up with something better please do suggest it.

thanks Vignesh

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Asked: 2022-05-21 05:29:36 -0500

Seen: 25 times

Last updated: May 22