Macro Ellipse-Center+2Points/it

Descrizione

Crea un'ellisse selezionando tre punti, in questo ordine: centro, raggio maggiore e raggio minore.

Ultima versione

L'ultima versione della macro si trova in EllipseCenter2Points.FCMacro ma il modo più semplice per installare questa macro è attraverso il Addon Manager.

Script

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Macro_EllipseCenter2Points.FCMacro

# Macro Begin: Ellipse-Center+2Points.FCMacro +++++++++++++++++++++++++++++++++++++++++++++++++
# http://freecad-tutorial.blogspot.com/2011/12/engine-9-poly-v-belt.html
# https://www.freecadweb.org/wiki/User:Eriossoltero
# 13/03/2012, 29/07/2019
import Part, FreeCAD, math, PartGui, FreeCADGui
from FreeCAD import Base

# get the selected objects, with first selection for the trajectory and second for the section
# Adapted from:
# Macro Begin: Ellipse-Center+2Points.FCMacro +++++++++++++++++++++++++++++++++++++++++++++++++
# http://freecad-tutorial.blogspot.com/2011/12/engine-9-poly-v-belt.html
import Part, FreeCAD, math, PartGui, FreeCADGui
from FreeCAD import Base

# get the selected objects, with first selection for the trajectory and second for the section
# Adapted from:
# http://freecad-tutorial.blogspot.com/2011/12/engine-9-poly-v-belt.html
s = FreeCADGui.Selection.getSelection()
try:
    sel1=s[0].Shape
    sel2=s[1].Shape
    sel3=s[2].Shape
    pt_center = sel1.Point
    pt_radmay = sel2.Point
    pt_radmen = sel3.Point
    
    # create Part object in the current document
    myObject=App.ActiveDocument.addObject("Part::Feature","Ellipse")
    
    # create a shape and assign it to the current document
    ellipse = Part.Ellipse(pt_radmay, pt_radmen, pt_center)
    myObject.Shape = ellipse.toShape()
    # Macro End: Ellipse-Center+2Points.FCMacro +++++++++++++++++++++++++++++++++++++++++++++++++

except:
    print( "Wrong selection")
    print( "First:centre, Second:major radius and Third:minor radius")