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How to access printer settings from Cura post-processing plugin?


Sporech

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Posted · How to access printer settings from Cura post-processing plugin?

Hi All,

 

There are a few properties of the printer setup and slicer settings which I need to access from my post-processing plugin, such as nozzle diameter, line width etc.

Can these be accessed from the post-processing script environment?

 

Many thanks

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    Posted · How to access printer settings from Cura post-processing plugin?
    24 minutes ago, Sporech said:

    Hi All,

     

    There are a few properties of the printer setup and slicer settings which I need to access from my post-processing plugin, such as nozzle diameter, line width etc.

    Can these be accessed from the post-processing script environment?

     

    Many thanks

    Yep. The strech post processing script does something like that https://github.com/Ultimaker/Cura/blob/master/plugins/PostProcessingPlugin/scripts/Stretch.py#L519

    There are probably more scripts that do it as well.

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    Posted · How to access printer settings from Cura post-processing plugin?

    I believe you can query all those settings from the Global Container Stack.  Here's some code I've used to get the layer height setting:

     

    from UM.Application import Application
    ...
    layerHeight = Application.getInstance().getGlobalContainerStack().getProperty("layer_height", "value")

     

    It looks like "line_width" and "machine_nozzle_size"should also be an available settings. 

     

    I'm not sure where to find a definite listing of the setting names, but I was able to find these by looking through this file here: https://github.com/Ultimaker/Cura/blob/master/resources/definitions/fdmprinter.def.json

     

    But, that was just sort of a wag.

     

    Good luck!

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    Posted · How to access printer settings from Cura post-processing plugin?
    1 hour ago, bradk3 said:

    I believe you can query all those settings from the Global Container Stack. 

    Layer height is a global setting, and can be queried from the global container stack; other settings, such as the line width, can be different per extruder, so you have to get them from the extruder stack.

     

     

    from cura.Settings.ExtruderManager import ExtruderManager
    ...
    extruders = ExtruderManager.getInstance().getActiveExtruderStacks()
    line_width= extruders[0].getProperty("line_width", "value")

     

     

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    Posted · How to access printer settings from Cura post-processing plugin?

    @ahoeben

     

    Hi, how to query a user-defined setting?

     

            retraction_amount = Application.getInstance().getGlobalContainerStack().getProperty(
                "retraction_amount", "value"
            )

     

    The above code gives me the 'default' value, not the updated value, which I changed in Cura, and I was wondering how to access the InstanceStack (?), where user-defined settings are kept.

     

    Thanks in advance!

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    Posted · How to access printer settings from Cura post-processing plugin?

    Retraction amount is a per-extruder setting, and must be queried from the current extruder stack

     

     

    from cura.Settings.ExtruderManager import ExtruderManager
    ...
    extruders = ExtruderManager.getInstance().getActiveExtruderStacks()
    line_width= extruders[0].getProperty("retraction_amount", "value")
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    Posted · How to access printer settings from Cura post-processing plugin?

    Thanks a lot!🙂

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