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[1.1.x] Segmented mesh moves #8596

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thinkyhead
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@thinkyhead thinkyhead commented Nov 29, 2017

This PR adds an option to do kinematic-style segmented moves on Cartesian when leveling is enabled. The default segment length is 5mm. Under this scheme mesh boundaries have no special significance.

This should improve the accuracy and consistency of mesh-based bed leveling, which currently makes straight-line moves to/from grid edges instead of doing bilinear interpolation at several points in-between..

On Cartesian machines, the SEGMENT_LEVELED_MOVES option will cause MBL and ABL-Bilinear to use the segmented_line_to_destination function. UBL will use ubl.prepare_segmented_line_to.

Partly in response to #8573, #8595.

@thinkyhead thinkyhead merged commit 83ab68b into MarlinFirmware:bugfix-1.1.x Nov 29, 2017
@thinkyhead thinkyhead deleted the bf1_cartesian_segments branch November 29, 2017 23:25
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