13.7.Rotor.py

#!/usr/bin/env python

###
# Copyright (c) 2002-2007 Systems in Motion
#
# Permission to use, copy, modify, and distribute this coin.Software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE coin.SoFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS coin.SoFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATcoin.SoEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS coin.SoFTWARE.
#

###
# This is an example from the Inventor Mentor,
# chapter 13, example 8.
#
# Rotor node example.  
# Read in the tower and vanes of a windmill from a file.
# Use a rotor node to rotate the vanes.
#

####################################################################
#        Modified to be compatible with  FreeCAD                   #
#                                                                  #
# Author : Mariwan Jalal  mariwan.jalal@gmail.com                  #
####################################################################

import os, sys
import FreeCAD as App
import FreeCADGui as Gui
import pivy.coin as coin
from PySide import QtGui, QtCore  # https://www.freecadweb.org/wiki/PySide

def readFile(filename):
    # Open the input file
    mySceneInput = coin.SoInput()
    if not mySceneInput.openFile(filename):
        print("Cannot open file %s" % (filename), file=sys.stderr)
        return None

    # Read the whole file into the database
    myGraph = coin.SoDB.readAll(mySceneInput)
    if myGraph == None:
        print("Problem reading file", file=sys.stderr)
        return None

    mySceneInput.closeFile()
    return myGraph

def RotorExe():

    root = coin.SoSeparator()

    # Read in the data for the windmill tower
    windmillTower = readFile("E:\\TEMP\\fix some drawing\\Mentor_Freecad\\windmillTower.iv") #TODO: FIXME: change path
    root.addChild(windmillTower)

    # Add a rotor node to spin the vanes
    myRotor = coin.SoRotor()
    myRotor.rotation.setValue(coin.SbVec3f(0, 0, 1), 0) # z axis
    myRotor.speed = 0.2
    root.addChild(myRotor)

    # Read in the data for the windmill vanes
    windmillVanes = readFile("E:\\TEMP\\fix some drawing\\Mentor_Freecad\\windmillVanes.iv") #TODO: FIXME: change path
    root.addChild(windmillVanes)

    coin.SoDB.setRealTimeInterval(1/120.0)
    
    view = Gui.ActiveDocument.ActiveView
    sg = view.getSceneGraph()
    sg.addChild(root)