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In electric, a <laserRetro> element can be declared under gazebo's <geom:xxx> element, and was used to set the LaserScan intensities field when a simulated ray hits a surface. As pointed out by PKG, this is not correct, but an extreme simplification. This feature should be improved in Fuerte with the upcoming GPU version of laser range scanners currently being constructed.
This may be a slightly inaccurate answer. From this PlayerStage page it's clear that retro Laser refers to the reflectiveness of the surface in question. From Wikipedia it's clear that a RetroReflector reflects light back with minimum scattering, much like reflectors on roads.
Summing up, I feel that laser retro measures the extent to which the material reflects laser light with minimal scattering. The notion of laser retro reflectiveness also makes sense , e.g. see here.
Asked: 2012-03-26 05:08:10 -0500
Seen: 1,772 times
Last updated: Apr 07 '12
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