87 lines
2.5 KiB
Plaintext
87 lines
2.5 KiB
Plaintext
# -*- coding: utf-8 -*-
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# Set the current view perpendicular to the selected line
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# Place la vue perpendiculairement a la line selectionnee
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# 2013 Jonathan Wiedemann,
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# 2016 Werner Mayer,
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# 2022 tchernomax, https://forum.freecadweb.org/viewtopic.php?p=630019#p630019
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# 2023 FreeCutter, modifications towards linked objects like in workbench Assembly 4 , https://forum.freecad.org/viewtopic.php?p=718516#p718516
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#
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__title__ = "Align_View_to_Face"
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__author__ = "Jonathan Wiedemann (Rockn)"
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__url__ = "https://www.freecadweb.org/"
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__Wiki__ = "https://wiki.freecadweb.org/Macro_Align_View_to_Face"
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__version__ = "3.1"
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__date__ = "2023/11/12" #YYYY/MM/DD
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from pivy import coin
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import FreeCAD as app
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import FreeCADGui as gui
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def pointAt(normal, up):
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z = normal
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y = up
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x = y.cross(z)
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y = z.cross(x)
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rot = App.Matrix()
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rot.A11 = x.x
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rot.A21 = x.y
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rot.A31 = x.z
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rot.A12 = y.x
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rot.A22 = y.y
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rot.A32 = y.z
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rot.A13 = z.x
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rot.A23 = z.y
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rot.A33 = z.z
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return App.Placement(rot).Rotation
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def get_selection_and_turn_view():
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doc = app.activeDocument()
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if doc is None:
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app.Console.PrintWarning('Align_view_to_face: No file open, nothing to do\n')
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return
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selection = gui.Selection.getSelectionEx('', 0) # Returns a vector of selection objects
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if not selection:
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app.Console.PrintWarning('Align_view_to_face: Nothing selected, nothing to do\n')
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return
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cam = FreeCADGui.ActiveDocument.ActiveView.getCameraNode()
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''' used to understand the 'getSelection' results
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for selection_object in selection:
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object_ = selection_object.Object
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sub_fullpaths = selection_object.SubElementNames
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if not sub_fullpaths:
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# An object is selected, not a face, edge, vertex.
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print(object_.Name)
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for sub_fullpath in sub_fullpaths:
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# One or more subelements are selected.
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print(object_.Name, sub_fullpath)
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'''
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sel = selection[0]
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face = sel.SubObjects[0]
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if face.Area == 0: # trying to avoid errors due to wrong selected objects
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app.Console.PrintWarning('Align_view_to_face: Please select a face - not an edge or vertex\n')
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return
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dir = face.normalAt(0,0)
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if dir.z == 1 :
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rot = pointAt(dir, App.Vector(0.0,1.0,0.0))
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elif dir.z == -1 :
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rot = pointAt(dir, App.Vector(0.0,1.0,0.0))
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else :
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rot = pointAt(dir, App.Vector(0.0,0.0,1.0))
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cam.orientation.setValue(rot.Q)
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gui.SendMsgToActiveView("ViewSelection")
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app.Console.PrintWarning('Align_view_to_face: Done\n')
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if __name__ == '__main__':
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get_selection_and_turn_view() |