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Don't register a new layer if not extruding a line

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We do retracts/unretracts on different heights sometimes, for instance after a pause. This would get seen as a new layer. It's quite safe to say that purely retracts and unretracts on a different height do not constitute a layer in a normal g-code file. There would be nothing to draw anyway.

Contributes to issue CURA-8522. Fixes #10282.
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Ghostkeeper 2021-11-05 21:04:37 +01:00
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plugins/GCodeReader/FlavorParser.py
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@ -198,7 +198,7 @@ class FlavorParser:
# Only when extruding we can determine the latest known "layer height" which is the difference in height between extrusions # Only when extruding we can determine the latest known "layer height" which is the difference in height between extrusions
# Also, 1.5 is a heuristic for any priming or whatsoever, we skip those. # Also, 1.5 is a heuristic for any priming or whatsoever, we skip those.
if z > self._previous_z and (z - self._previous_z < 1.5): if z > self._previous_z and (z - self._previous_z < 1.5) and (params.x is not None or params.y is not None):
self._current_layer_thickness = z - self._previous_z # allow a tiny overlap self._current_layer_thickness = z - self._previous_z # allow a tiny overlap
self._previous_z = z self._previous_z = z
elif self._previous_extrusion_value > e[self._extruder_number]: elif self._previous_extrusion_value > e[self._extruder_number]: