Makrodefinicja: Wyrównaj widok względem ściany

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Revision as of 14:40, 18 November 2023 by Kaktus (talk | contribs) (Created page with "Makrodefinicja ta obraca bieżący widok tak, aby skierować go prostopadle do wybranej powierzchni istniejącego obiektu.")

Macro Align View to Face

Opis
Makro to ustawia bieżący widok na wybraną ścianę

Macro version: 3.1
Last modified: 2023-11-12
FreeCAD version: wszystkie
Download: Ikona paska narzędzi
Autor: Rockn
Autor
Rockn
Do pobrania
Ikona paska narzędzi
Odnosniki
Wersja Makrodefinicji
3.1
Data zmian
2023-11-12
Wersja FreeCAD
wszystkie
Domyślny skrót
Brak
Zobacz również
-

Opis

Makrodefinicja ta obraca bieżący widok tak, aby skierować go prostopadle do wybranej powierzchni istniejącego obiektu.

Usage

  1. Select a face on an object
  2. Run the macro

Script

ToolBar Icon

Macro_Align_View_to_Face.FCMacro

# -*- coding: utf-8 -*-
# Set the current view perpendicular to the selected line
# Place la vue perpendiculairement a la line selectionnee
# 2013 Jonathan Wiedemann,
# 2016 Werner Mayer, 
# 2022 tchernomax, https://forum.freecadweb.org/viewtopic.php?p=630019#p630019
# 2023 FreeCutter, modifications towards linked objects like in workbench Assembly 4 , https://forum.freecad.org/viewtopic.php?p=718516#p718516
#
__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__ = "3.1"
__date__    = "2023/11/12"  #YYYY/MM/DD

from pivy import coin

import FreeCAD as app
import FreeCADGui as gui

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

def get_selection_and_turn_view():
	doc = app.activeDocument()
	if doc is None:
		app.Console.PrintWarning('Align_view_to_face: No file open, nothing to do\n')
		return
	
	selection = gui.Selection.getSelectionEx('', 0) # Returns a vector of selection objects
	
	if not selection:
		app.Console.PrintWarning('Align_view_to_face: Nothing selected, nothing to do\n')
		return
	
	cam = FreeCADGui.ActiveDocument.ActiveView.getCameraNode()
	
	''' used to understand the 'getSelection' results
	for selection_object in selection:
		object_ = selection_object.Object
		sub_fullpaths = selection_object.SubElementNames
		if not sub_fullpaths:
			# An object is selected, not a face, edge, vertex.
			print(object_.Name)
		for sub_fullpath in sub_fullpaths:
			# One or more subelements are selected.
			print(object_.Name, sub_fullpath)
	'''
	
	sel = selection[0]
	face = sel.SubObjects[0]
	if face.Area == 0:			# trying to avoid errors due to wrong selected objects
		app.Console.PrintWarning('Align_view_to_face: Please select a face - not an edge or vertex\n')
		return
	dir = face.normalAt(0,0)
	
	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))
	
	cam.orientation.setValue(rot.Q)
	gui.SendMsgToActiveView("ViewSelection")
	app.Console.PrintWarning('Align_view_to_face: Done\n')

if __name__ == '__main__':
	get_selection_and_turn_view()