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gmappinp Parameter resampleThreshold handles this.

~resampleThreshold (float, default: 0.5) The Neff based resampling threshold


Neff drops in case of loop closures.

gmapping does resampling based on Neff threshold in case of loop closure.

image description


Check rbpf slam tutorial . Pictures is from same slides.

gmappinp Parameter resampleThreshold handles this.

~resampleThreshold (float, default: 0.5) The Neff based resampling threshold


Neff drops in case of loop closures.

gmapping does resampling based on Neff threshold in case of loop closure.

image description


Check rbpf slam tutorial . Pictures is from same these slides.