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gmapping & laser_scan_matcher slow vs hector slam

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Hi I've been trying to get a reliable map from hector_slam and gmapping using an XTION Pro. Hector_slam creates a very accurate map but because of the slow frame rate suffers if the robot turns quickly "angle change too large" So I have then tried using gmapping fused with laser_scan_matcher. This produces a poor quality map and is very slow to update between 5-10 seconds. gmapping launch config: ![image description](/upfiles/14591584662430134.png) Hector SLAM Map ![image description](/upfiles/14591609064751566.png) Gmapping ![image description](/upfiles/14591609244665186.png) Any suggestion re: what can I do to improve the results? Thanks Mark

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