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Fix getInitialExtruder code

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For the `skirt_brim_extruder_nr` setting it is possible for the setting to be -1; this means that we have no preference for extruder. This allowed us to implement the "multi-material brim". When we were requesting the initial extruder, and this value was set to -1 we were default to the 0-th extruder. However, this was incorrect in the situation where the first extruder is not used.

Fixes #17501
This commit is contained in:
c.lamboo 2024-01-23 20:48:02 +01:00
parent a41d8aae7f
commit 8af3de2178
1 changed files with 7 additions and 1 deletions
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8
cura/Settings/ExtruderManager.py
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@ -316,7 +316,13 @@ class ExtruderManager(QObject):
# Starts with the adhesion extruder.
adhesion_type = global_stack.getProperty("adhesion_type", "value")
if adhesion_type in {"skirt", "brim"}:
return max(0, int(global_stack.getProperty("skirt_brim_extruder_nr", "value"))) # optional skirt/brim extruder defaults to zero
skirt_brim_extruder_nr = global_stack.getProperty("skirt_brim_extruder_nr", "value")
# if the skirt_brim_extruder_nr is -1, then we use the first used extruder
if skirt_brim_extruder_nr == -1:
used_extruders = self.getUsedExtruderStacks()
return used_extruders[0].position
else:
return skirt_brim_extruder_nr
if adhesion_type == "raft":
return global_stack.getProperty("raft_base_extruder_nr", "value")