MakeBottle.py

Go to the documentation of this file.

#***************************************************************************
#*   Copyright (c) 2008 Werner Mayer <wmayer@users.sourceforge.net>        *
#*                                                                         *
#*   This file is part of the FreeCAD CAx development system.              *
#*                                                                         *
#*   This program is free software; you can redistribute it and/or modify  *
#*   it under the terms of the GNU General Public License (GPL)            *
#*   as published by the Free Software Foundation; either version 2 of     *
#*   the License, or (at your option) any later version.                   *
#*   for detail see the LICENCE text file.                                 *
#*                                                                         *
#*   FreeCAD is distributed in the hope that it will be useful,            *
#*   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
#*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
#*   GNU Library General Public License for more details.                  *
#*                                                                         *
#*   You should have received a copy of the GNU Library General Public     *
#*   License along with FreeCAD; if not, write to the Free Software        *
#*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  *
#*   USA                                                                   *
#*                                                                         *
#***************************************************************************


import Part, math
import FreeCAD, FreeCADGui
App=FreeCAD
Gui=FreeCADGui
from FreeCAD import Base

def makeBottle(myWidth=50.0, myHeight=70.0, myThickness=30.0):
        aPnt1=Base.Vector(-myWidth/2.,0,0)
        aPnt2=Base.Vector(-myWidth/2.,-myThickness/4.,0)
        aPnt3=Base.Vector(0,-myThickness/2.,0)
        aPnt4=Base.Vector(myWidth/2.,-myThickness/4.,0)
        aPnt5=Base.Vector(myWidth/2.,0,0)
        
        aArcOfCircle = Part.Arc(aPnt2,aPnt3,aPnt4)
        aSegment1=Part.Line(aPnt1,aPnt2)
        aSegment2=Part.Line(aPnt4,aPnt5)

        aEdge1=aSegment1.toShape()
        aEdge2=aArcOfCircle.toShape()
        aEdge3=aSegment2.toShape()
        aWire=Part.Wire([aEdge1,aEdge2,aEdge3])
        
        aTrsf=Base.Matrix()
        aTrsf.rotateZ(math.pi) # rotate around the z-axis

        aMirroredWire=aWire.transformGeometry(aTrsf)
        myWireProfile=Part.Wire([aWire,aMirroredWire])
        
        myFaceProfile=Part.Face(myWireProfile)
        aPrismVec=Base.Vector(0,0,myHeight)
        myBody=myFaceProfile.extrude(aPrismVec)
        
        myBody=myBody.makeFillet(myThickness/12.0,myBody.Edges)
        
        neckLocation=Base.Vector(0,0,myHeight)
        neckNormal=Base.Vector(0,0,1)
        
        myNeckRadius = myThickness / 4.
        myNeckHeight = myHeight / 10
        myNeck = Part.makeCylinder(myNeckRadius,myNeckHeight,neckLocation,neckNormal)   
        myBody = myBody.fuse(myNeck)

        faceToRemove = 0
        zMax = -1.0

        for xp in myBody.Faces:
                try:
                        surf = xp.Surface
                        if type(surf) == Part.Plane:
                                z = surf.Position.z
                                if z > zMax:
                                        zMax = z
                                        faceToRemove = xp
                except:
                        continue
        
        # This doesn't work for any reason              
        myBody = myBody.makeThickness([faceToRemove],-myThickness/50 , 1.e-3)

        return myBody

def makeBoreHole():
        # create a document if needed
        if App.ActiveDocument == None:
                App.newDocument("Solid")

        Group = App.ActiveDocument.addObject("App::DocumentObjectGroup","Group")
        Group.Label="Bore hole"

        V1 = Base.Vector(0,10,0)
        V2 = Base.Vector(30,10,0)
        V3 = Base.Vector(30,-10,0)
        V4 = Base.Vector(0,-10,0)
        VC1 = Base.Vector(-10,0,0)
        C1 = Part.Arc(V1,VC1,V4)
        # and the second one
        VC2 = Base.Vector(40,0,0)
        C2 = Part.Arc(V2,VC2,V3)
        L1 = Part.Line(V1,V2)
        # and the second one
        L2 = Part.Line(V4,V3)
        S1 = Part.Shape([C1,C2,L1,L2])

        W=Part.Wire(S1.Edges)
        F=Part.Face(W)
        P=F.extrude(Base.Vector(0,0,5))

        # add objects with the shape
        Wire=Group.newObject("Part::Feature","Wire")
        Wire.Shape=W
        Face=Group.newObject("Part::Feature","Face")
        Face.Shape=F
        Prism=Group.newObject("Part::Feature","Extrude")
        Prism.Shape=P

        c=Part.Circle(Base.Vector(0,0,-1),Base.Vector(0,0,1),2.0)
        w=Part.Wire(c.toShape())
        f=Part.Face(w)
        p=f.extrude(Base.Vector(0,0,7))
        P=P.cut(p)

        # add first borer
        Bore1=Group.newObject("Part::Feature","Borer_1")
        Bore1.Shape=p
        Hole1=Group.newObject("Part::Feature","Borer_Hole1")
        Hole1.Shape=P

        c=Part.Circle(Base.Vector(0,-11,2.5),Base.Vector(0,1,0),1.0)
        w=Part.Wire(c.toShape())
        f=Part.Face(w)
        p=f.extrude(Base.Vector(0,22,0))
        P=P.cut(p)

        # add second borer
        Bore2=Group.newObject("Part::Feature","Borer_2")
        Bore2.Shape=p
        Hole2=Group.newObject("Part::Feature","Borer_Hole2")
        Hole2.Shape=P

        App.ActiveDocument.recompute()

        # hide all objets except of the final one
        Gui.ActiveDocument.getObject(Wire.Name).hide()
        Gui.ActiveDocument.getObject(Face.Name).hide()
        Gui.ActiveDocument.getObject(Prism.Name).hide()
        Gui.ActiveDocument.getObject(Bore1.Name).hide()
        Gui.ActiveDocument.getObject(Hole1.Name).hide()
        Gui.ActiveDocument.getObject(Bore2.Name).hide()
        Gui.ActiveDocument.ActiveView.fitAll()