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feature: expose IMU gravity param and set via gtsam::PreintegrationParams - #305

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jacoblambert:feat/imu_gravity_param
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feature: expose IMU gravity param and set via gtsam::PreintegrationParams#305
jacoblambert wants to merge 1 commit into
koide3:masterfrom
jacoblambert:feat/imu_gravity_param

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@jacoblambert

@jacoblambert jacoblambert commented Jun 8, 2026

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It is sometimes useful to set a different gravity magnitue for the IMU, but current implementation uses gtsam default as defined here.

This PR exposes a gravity magnitude parameter and allows it to be optionally set in config_sensors.yaml.

@jacoblambert
jacoblambert marked this pull request as ready for review June 8, 2026 14:15
@jacoblambert jacoblambert changed the title feature: expose IMU gravity param and set feature: expose IMU gravity param and set via gtsam::PreintegrationParams Jun 8, 2026
@koide3

koide3 commented Jun 16, 2026

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Thanks!, but there is already an acceleration scale parameter in config_ros.json:

"acc_scale": 0.0, // Auto-detect if zero

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