Lattice2/lattice2Invert.py
2018-05-14 22:37:07 +03:00

162 lines
6.8 KiB
Python

#***************************************************************************
#* *
#* Copyright (c) 2015 - 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__="Lattice Invert object: creates an array of placements from a compound."
__author__ = "DeepSOIC"
__url__ = ""
import math
import FreeCAD as App
import Part
from lattice2Common import *
import lattice2BaseFeature
import lattice2CompoundExplorer as LCE
import lattice2GeomUtils as Utils
import lattice2Executer
# -------------------------- document object --------------------------------------------------
def makeLatticeInvert(name):
'''makeLatticeInvert(name): makes a LatticeInvert object.'''
return lattice2BaseFeature.makeLatticeFeature(name, LatticeInvert, ViewProviderInvert)
class LatticeInvert(lattice2BaseFeature.LatticeFeature):
"The Lattice Invert object"
def derivedInit(self,obj):
self.Type = "LatticeInvert"
obj.addProperty("App::PropertyLink","Base","Lattice Invert","Lattice, all the placements of which are to be inverted.")
obj.addProperty("App::PropertyEnumeration","TranslateMode","Lattice Invert","What to do with translation part of placements")
obj.TranslateMode = ['invert', 'keep', 'reset']
obj.TranslateMode = 'invert'
obj.addProperty("App::PropertyEnumeration","OrientMode","Lattice Invert","what to do with orientation part of placements")
obj.OrientMode = ['invert', 'keep', 'reset']
obj.OrientMode = 'invert'
def derivedExecute(self,obj):
# cache stuff
base = screen(obj.Base).Shape
if not lattice2BaseFeature.isObjectLattice(screen(obj.Base)):
lattice2Executer.warning(obj, "Base is not a lattice, but lattice is expected. Results may be unexpected.\n")
baseChildren = LCE.AllLeaves(base)
#cache mode comparisons, for speed
posIsInvert = obj.TranslateMode == 'invert'
posIsKeep = obj.TranslateMode == 'keep'
posIsReset = obj.TranslateMode == 'reset'
oriIsInvert = obj.OrientMode == 'invert'
oriIsKeep = obj.OrientMode == 'keep'
oriIsReset = obj.OrientMode == 'reset'
# initialize output containers and loop variables
outputPlms = [] #list of placements
# the essence
for child in baseChildren:
pos = App.Vector()
ori = App.Rotation()
inverted = child.Placement.inverse()
if posIsInvert:
pos = inverted.Base
elif posIsKeep:
pos = child.Placement.Base
elif posIsReset:
pass
if oriIsInvert:
ori = inverted.Rotation
elif oriIsKeep:
ori = child.Placement.Rotation
elif oriIsReset:
pass
plm = App.Placement(pos, ori)
outputPlms.append(plm)
return outputPlms
class ViewProviderInvert(lattice2BaseFeature.ViewProviderLatticeFeature):
def getIcon(self):
return getIconPath('Lattice2_Invert.svg')
def claimChildren(self):
return [screen(self.Object.Base)]
# -------------------------- /document object --------------------------------------------------
# -------------------------- Gui command --------------------------------------------------
def CreateLatticeInvert(name):
sel = FreeCADGui.Selection.getSelectionEx()
FreeCAD.ActiveDocument.openTransaction("Create LatticeInvert")
FreeCADGui.addModule("lattice2Invert")
FreeCADGui.addModule("lattice2Executer")
FreeCADGui.doCommand("f = lattice2Invert.makeLatticeInvert(name='"+name+"')")
FreeCADGui.doCommand("f.Base = App.ActiveDocument."+sel[0].ObjectName)
FreeCADGui.doCommand("for child in f.ViewObject.Proxy.claimChildren():\n"+
" child.ViewObject.hide()")
FreeCADGui.doCommand("lattice2Executer.executeFeature(f)")
FreeCADGui.doCommand("f = None")
FreeCAD.ActiveDocument.commitTransaction()
class _CommandLatticeInvert:
"Command to create LatticeInvert feature"
def GetResources(self):
return {'Pixmap' : getIconPath("Lattice2_Invert.svg"),
'MenuText': QtCore.QT_TRANSLATE_NOOP("Lattice2_Invert","Invert lattice"),
'Accel': "",
'ToolTip': QtCore.QT_TRANSLATE_NOOP("Lattice2_Invert","Lattice Invert: invert all placements in a lattice object.")}
def Activated(self):
if len(FreeCADGui.Selection.getSelection()) == 1 :
CreateLatticeInvert(name = "Invert")
else:
mb = QtGui.QMessageBox()
mb.setIcon(mb.Icon.Warning)
mb.setText(translate("Lattice2_Invert", "Please select one object, first. The object must be a lattice object (array of placements).", None))
mb.setWindowTitle(translate("Lattice2_Invert","Bad selection", None))
mb.exec_()
def IsActive(self):
if FreeCAD.ActiveDocument:
return True
else:
return False
if FreeCAD.GuiUp:
FreeCADGui.addCommand('Lattice2_Invert', _CommandLatticeInvert())
exportedCommands = ['Lattice2_Invert']
# -------------------------- /Gui command --------------------------------------------------