Lattice2/lattice2CoinGlue.py
DeepSOIC 6c620b130f ReferencePlacement: show on screen
initial implementation. to be improved...
2018-09-06 01:33:55 +03:00

50 lines
2.7 KiB
Python

#***************************************************************************
#* *
#* Copyright (c) 2018 - Victor Titov (DeepSOIC) *
#* <vv.titov@gmail.com> *
#* *
#* This program is free software; you can redistribute it and/or modify *
#* it under the terms of the GNU Lesser General Public License (LGPL) *
#* 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. *
#* *
#* 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 Library General Public License for more details. *
#* *
#* You should have received a copy of the GNU Library General Public *
#* License along with this program; if not, write to the Free Software *
#* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 *
#* USA *
#* *
#***************************************************************************
__title__="CoinGlue module of FreeCAD add-on Lattice2"
__author__ = "DeepSOIC"
__url__ = ""
__doc__ = "Glue and conversion routines between coin and freecad"
def cointransform(placement, scale = 1.0, modifyme = None):
"""cointransform(placement, scale = 1.0, modifyme = None): creates/updates SoTransform node from FreeCAD.Placement.
modifyme: the existing node to be modified.
Returns: SoTransform node (new if modifyme is None else modifyme)"""
from pivy import coin
tr = coin.SoTransform() if modifyme is None else modifyme
tr.scaleFactor.setValue(scale,scale,scale)
tr.translation.setValue(*tuple(placement.Base))
tr.rotation.setValue(*placement.Rotation.Q)
return tr
def readNodeFromFile(fullpath):
"""readNodeFromFile(fullpath): reads a file. Returns SoSeparator node, containing the read out stuff."""
from pivy import coin
i = coin.SoInput()
if not i.openFile(fullpath): raise ValueError("Failed to open file: {fn}".format(fn= fullpath))
import pivy
sep = pivy.SoDB.readAll(i)
i.closeFile()
return sep