We have tried using GRIP on several different PC’s and Macs and we get different errors on each!
It looks like GRIP hasn’t been touched for many years on GitHub. Should this software still be a recommended avenue for vision processing?
The vision docs definitely need a refresh. We have a lot of old docs on retroreflective detection that should be cleaned out/simplified, and the AprilTags docs beefed up. GRIP is not maintained, nor is RoboRealm, another tool that’s mentioned in the docs, and conversely we hardly mention the two most common solutions for vision processing used in FRC today (PhotonVision and Limelight). I’ve opened an issue on frc-docs to track this: Vision docs need a refresh · Issue #2364 · wpilibsuite/frc-docs · GitHub. Contributions would be welcome!
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Along with how unmaintained it is, GRIP is primarily designed for targeting retroreflective targets, which will not be present on next year’s field. As far as I know, it has no support for AprilTags at all, much less the ability to use them in any meaningful way.
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Fair point! I am looking at using it for object recognition in FTC CenterStage.
Has First confirmed this?
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The 2022 blog post introducing AprilTags said:
The 2023 field will contain AprilTag targets in addition to retroreflective targets (more on those below) with the goal of moving away from retroreflective targets in 2024, pending a smooth implementation this season.
However, the 2023 blog post updating the family was notably absent of any confirmation that retroreflective targets are going away.