FreeCAD-macros

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#!/usr/bin/python
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#####################################
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# Copyright (c) openBrain 2019
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# Licensed under LGPL v2
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#
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# This macro will reset position of all part containers to document origin while keeping the absolute object positions
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#
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# Version history :
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# *0.2 : some typo improvement + commenting for official PR
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# *0.1 : alpha release, almost no test performed
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#
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#####################################
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__Name__ = 'PlacementAbsolufy'
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__Comment__ = 'Reset part containers to global origin while keeping object positions'
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__Author__ = 'openBrain'
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__Version__ = '0.2'
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__Date__ = '2019-06-10'
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__License__ = 'LGPL v2'
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__Web__ = 'https://www.freecadweb.org/wiki/Macro_PlacementAbsolufy'
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__Wiki__ = 'https://www.freecadweb.org/wiki/Macro_PlacementAbsolufy'
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__Icon__ = ''
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__Help__ = 'Run the macro with model active in the GUI'
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__Status__ = 'Alpha'
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__Requires__ = 'FreeCAD >= 0.17'
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__Communication__ = 'https://forum.freecadweb.org/viewtopic.php?f=3&t=36869'
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__Files__ = ''
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currState = {} #initialize a dictionary to store current object placements
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for obj in App.ActiveDocument.Objects: #going through active document objects
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    if "Placement" in obj.PropertiesList: #if object has a Placement property
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        currState[obj] = obj.getGlobalPlacement() #store the object pointer with its global placement
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App.ActiveDocument.openTransaction("Absolufy") #open a transaction for undo management
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for obj, plac in currState.items(): #going through all moveable objects
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    if obj.isDerivedFrom("App::Part"): #if object is a part container
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        obj.Placement = App.Placement(App.Vector(0,0,0),App.Rotation(0,0,0)) #reset its placement to global document origin
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    elif obj.TypeId[:5] == "App::": #if object is another App type (typically an origin axis or plane)
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        None #do nothing
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    else: #for all other objects
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        obj.Placement = plac #replace them at their global (absolute) placement
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App.ActiveDocument.commitTransaction() #commit transaction
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