Macro Align View to Face
Description |
---|
This macro aligns the current view to a selected face Macro version: 3.0 Last modified: 2022-10-08 FreeCAD version: All Download: ToolBar Icon Author: Rockn |
Author |
Rockn |
Download |
ToolBar Icon |
Links |
Macros recipes How to install macros How to customize toolbars |
Macro Version |
3.0 |
Date last modified |
2022-10-08 |
FreeCAD Version(s) |
All |
Default shortcut |
None |
See also |
None |
Description
This macro rotates the current view to point perpendicularly at a selected face of an existing object.
Usage
- Select a face on an object
- Run the macro
Script
Macro_Align_View_to_Face.FCMacro
# -*- coding: utf-8 -*- # Set the current view perpendicular to the selected face # Place la vue perpendiculairement a la face selectionnee # 2013 Jonathan Wiedemann, # 2016 Werner Mayer, # 2022 tchernomax, https://forum.freecadweb.org/viewtopic.php?p=630019#p630019 # __title__ = "Align_View_to_Face" __author__ = "Jonathan Wiedemann (Rockn)" __url__ = "https://www.freecadweb.org/" __Wiki__ = "https://wiki.freecadweb.org/Macro_Align_View_to_Face" __version__ = "3.0" __date__ = "2022/10/08" #YYYY/MM/DD # from pivy import coin def pointAt(normal, up): z = normal y = up x = y.cross(z) y = z.cross(x) rot = App.Matrix() rot.A11 = x.x rot.A21 = x.y rot.A31 = x.z rot.A12 = y.x rot.A22 = y.y rot.A32 = y.z rot.A13 = z.x rot.A23 = z.y rot.A33 = z.z return App.Placement(rot).Rotation sel=Gui.Selection.getSelectionEx()[0] obj=sel.Object face=sel.SubObjects[0] dir = face.normalAt(0,0) cam = FreeCADGui.ActiveDocument.ActiveView.getCameraNode() if dir.z == 1 : rot = pointAt(dir, App.Vector(0.0,1.0,0.0)) elif dir.z == -1 : rot = pointAt(dir, App.Vector(0.0,1.0,0.0)) else : rot = pointAt(dir, App.Vector(0.0,0.0,1.0)) def computeRotation(obj): if not obj.Parents: # the object has no parent return obj.Placement.Rotation # the object has parent # we compute the rotation of it's parent and multiply it with it's rotation return parentRotate(obj.Parents[0][0]).multiply(obj.Placement.Rotation) if obj.Parents: obj_par = obj.Parents[0][0] rot_par = computeRotation(obj_par) cam.orientation.setValue(rot_par.multiply(rot).Q) else: cam.orientation.setValue(rot.Q) Gui.SendMsgToActiveView("ViewSelection")