# $Id: 31dbcde on Wed Sep 4 11:12:25 2013 +0200 by Benedict Verhegghe $
##
##  This file is part of pyFormex 0.9.1  (Tue Oct 15 21:05:25 CEST 2013)
##  pyFormex is a tool for generating, manipulating and transforming 3D
##  geometrical models by sequences of mathematical operations.
##  Home page: http://pyformex.org
##  Project page:  http://savannah.nongnu.org/projects/pyformex/
##  Copyright 2004-2013 (C) Benedict Verhegghe (benedict.verhegghe@ugent.be)
##  Distributed under the GNU General Public License version 3 or later.
##
##  This program is free software: you can redistribute it and/or modify
##  it under the terms of the GNU General Public License as published by
##  the Free Software Foundation, either version 3 of the License, or
##  (at your option) any later version.
##
##  This program 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 General Public License for more details.
##
##  You should have received a copy of the GNU General Public License
##  along with this program.  If not, see http://www.gnu.org/licenses/.
##
"""Barrel Vault Shell

"""
from __future__ import print_function
_status = 'checked'
_level = 'beginner'
_topics = ['frame']
_techniques = ['dialog']
_opengl2 = True

from gui.draw import *

def run():
    reset()
    smoothwire()

    res = askItems([
        dict(name='m',value=12,text='number of modules in axial direction'),
        dict(name='n',value=8,text='number of modules in tangential direction'),
        dict(name='r',value=10.,text='barrel radius'),
        dict(name='a',value=180.,text='barrel opening angle'),
        dict(name='l',value=30.,text='barrel length'),
        dict(name='eltype',value='quad8',text='element type',itemtype='radio',choices=['tri3','quad4','quad8','quad9']),
        ])
    if not res:
        return

    globals().update(res)

    # Grid
    g = Formex('4:0123').replic2(m,n).toMesh().convert(eltype)

    # Create barrel
    barrel = g.rotate(90,1).translate(0,r).scale([1.,a/n,l/m]).cylindrical()

    draw(barrel,color=red,bkcolor=blue)

    export({'Barrel':barrel})

if __name__ == 'draw':
    run()
# End
