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SheetMetalBaseCmd.py
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SheetMetalBaseCmd.py
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# -*- coding: utf-8 -*-
###################################################################################
#
# SheetMetalBaseCmd.py
#
# Copyright 2015 Shai Seger <shaise at gmail dot com>
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301, USA.
#
#
###################################################################################
from FreeCAD import Gui
from PySide import QtCore, QtGui
import FreeCAD, Part, os
__dir__ = os.path.dirname(__file__)
iconPath = os.path.join( __dir__, 'Resources', 'icons' )
def smWarnDialog(msg):
diag = QtGui.QMessageBox(QtGui.QMessageBox.Warning, 'Error in macro MessageBox', msg)
diag.setWindowModality(QtCore.Qt.ApplicationModal)
diag.exec_()
def smBelongToBody(item, body):
if (body is None):
return False
for obj in body.Group:
if obj.Name == item.Name:
return True
return False
def smIsSketchObject(obj):
return str(obj).find("<Sketcher::") == 0
def smIsOperationLegal(body, selobj):
#FreeCAD.Console.PrintLog(str(selobj) + " " + str(body) + " " + str(smBelongToBody(selobj, body)) + "\n")
if smIsSketchObject(selobj) and not smBelongToBody(selobj, body):
smWarnDialog("The selected geometry does not belong to the active Body.\nPlease make the container of this item active by\ndouble clicking on it.")
return False
return True
def modifiedWire(WireList, radius, thk, length, normal, Side, sign) :
# If sketch is one type, make a face by extruding & offset it to correct position
wire_extr = WireList.extrude(normal * sign * length)
#Part.show(wire_extr,"wire_extr")
if Side == "Inside" :
wire_extr = wire_extr.makeOffsetShape(thk/2.0 * sign, 0.0, fill = False, join = 2)
elif Side == "Outside" :
wire_extr = wire_extr.makeOffsetShape(-thk/2.0 * sign, 0.0, fill = False, join = 2)
#Part.show(wire_extr,"wire_extr")
try :
filleted_extr = wire_extr.makeFillet((radius + thk / 2.0), wire_extr.Edges)
except:
filleted_extr = wire_extr
#Part.show(filleted_extr,"filleted_extr")
filleted_extr = filleted_extr.makeOffsetShape(thk/2.0 * sign, 0.0, fill = False, join = 2)
#Part.show(filleted_extr,"filleted_extr")
return filleted_extr
def smBase(thk = 2.0, length = 10.0, radius = 1.0, Side = "Inside", midplane = False, reverse = False, MainObject = None):
# To Get sketch normal
WireList = MainObject.Shape.Wires[0]
mat = MainObject.getGlobalPlacement().Rotation
normal = (mat.multVec(FreeCAD.Vector(0,0,1))).normalize()
#print([mat, normal])
if WireList.isClosed() :
# If Cosed sketch is there, make a face & extrude it
sketch_face = Part.makeFace(MainObject.Shape.Wires,"Part::FaceMakerBullseye")
wallSolid = sketch_face.extrude(sketch_face.normalAt(0,0) * thk)
else :
filleted_extr = modifiedWire(WireList, radius, thk, length, normal, Side, 1.0)
#Part.show(filleted_extr,"filleted_extr")
dist =WireList.Vertexes[0].Point.distanceToPlane(FreeCAD.Vector(0,0,0), normal)
#print(dist)
slice_wire= filleted_extr.slice(normal, dist)
#print(slice_wire)
#Part.show(slice_wire[0],"slice_wire")
traj = slice_wire[0]
#Part.show(traj,"traj")
if midplane :
traj.translate(normal * -length/2.0)
elif reverse:
traj.translate(normal * -length)
traj_extr = traj.extrude(normal * length)
#Part.show(traj_extr,"traj_extr")
solidlist = []
for face in traj_extr.Faces:
solid = face.makeOffsetShape(thk, 0.0, fill = True)
solidlist.append(solid)
if len(solidlist) > 1:
wallSolid = solidlist[0].multiFuse(solidlist[1:])
else :
wallSolid = solidlist[0]
#Part.show(wallSolid,"wallSolid")
#Part.show(wallSolid,"wallSolid")
return wallSolid
class SMBaseBend:
def __init__(self, obj):
'''"Add wall or Wall with radius bend" '''
selobj = Gui.Selection.getSelectionEx()[0]
_tip_ = QtCore.QT_TRANSLATE_NOOP("App::Property","Bend Radius")
obj.addProperty("App::PropertyLength","radius","Parameters",_tip_).radius = 1.0
_tip_ = QtCore.QT_TRANSLATE_NOOP("App::Property","Thickness of sheetmetal")
obj.addProperty("App::PropertyLength","thickness","Parameters",_tip_).thickness = 1.0
_tip_ = QtCore.QT_TRANSLATE_NOOP("App::Property","Relief Type")
obj.addProperty("App::PropertyEnumeration", "BendSide", "Parameters",_tip_).BendSide = ["Outside", "Inside", "Middle"]
_tip_ = QtCore.QT_TRANSLATE_NOOP("App::Property","Length of wall")
obj.addProperty("App::PropertyLength","length","Parameters",_tip_).length = 100.0
_tip_ = QtCore.QT_TRANSLATE_NOOP("App::Property","Wall Sketch object")
obj.addProperty("App::PropertyLink", "BendSketch", "Parameters",_tip_).BendSketch = selobj.Object
_tip_ = QtCore.QT_TRANSLATE_NOOP("App::Property","Extrude Symmetric to Plane")
obj.addProperty("App::PropertyBool","MidPlane","Parameters",_tip_).MidPlane = False
_tip_ = QtCore.QT_TRANSLATE_NOOP("App::Property","Reverse Extrusion Direction")
obj.addProperty("App::PropertyBool","Reverse","Parameters",_tip_).Reverse = False
obj.Proxy = self
def execute(self, fp):
'''"Print a short message when doing a recomputation, this method is mandatory" '''
if (not hasattr(fp,"MidPlane")):
_tip_ = QtCore.QT_TRANSLATE_NOOP("App::Property","Extrude Symmetric to Plane")
fp.addProperty("App::PropertyBool","MidPlane","Parameters",_tip_).MidPlane = False
_tip_ = QtCore.QT_TRANSLATE_NOOP("App::Property","Reverse Extrusion Direction")
fp.addProperty("App::PropertyBool","Reverse","Parameters",_tip_).Reverse = False
s = smBase(thk = fp.thickness.Value, length = fp.length.Value, radius = fp.radius.Value, Side = fp.BendSide,
midplane = fp.MidPlane, reverse = fp.Reverse, MainObject = fp.BendSketch)
fp.Shape = s
obj = Gui.ActiveDocument.getObject(fp.BendSketch.Name)
if obj:
obj.Visibility = False
class SMBaseViewProvider:
"A View provider that nests children objects under the created one"
def __init__(self, obj):
obj.Proxy = self
self.Object = obj.Object
def attach(self, obj):
self.Object = obj.Object
return
def updateData(self, fp, prop):
return
def getDisplayModes(self,obj):
modes=[]
return modes
def setDisplayMode(self,mode):
return mode
def onChanged(self, vp, prop):
return
def __getstate__(self):
# return {'ObjectName' : self.Object.Name}
return None
def __setstate__(self,state):
if state is not None:
import FreeCAD
doc = FreeCAD.ActiveDocument #crap
self.Object = doc.getObject(state['ObjectName'])
def claimChildren(self):
objs = []
if hasattr(self.Object,"BendSketch"):
objs.append(self.Object.BendSketch)
return objs
def getIcon(self):
return os.path.join( iconPath , 'SheetMetal_AddBase.svg')
class AddBaseCommandClass():
"""Add Base Wall command"""
def GetResources(self):
return {'Pixmap' : os.path.join( iconPath , 'SheetMetal_AddBase.svg'), # the name of a svg file available in the resources
'MenuText': QtCore.QT_TRANSLATE_NOOP('SheetMetal','Make Base Wall'),
'Accel': "C, B",
'ToolTip' : QtCore.QT_TRANSLATE_NOOP('SheetMetal','Create a sheetmetal wall from a sketch\n'
'1. Select a Skech to create bends with walls.\n'
'2. Use Property editor to modify other parameters')}
def Activated(self):
doc = FreeCAD.ActiveDocument
view = Gui.ActiveDocument.ActiveView
activeBody = None
# selobj = Gui.Selection.getSelectionEx()[0].Object
if hasattr(view,'getActiveObject'):
activeBody = view.getActiveObject('pdbody')
# if not smIsOperationLegal(activeBody, selobj):
# return
doc.openTransaction("BaseBend")
if activeBody is None :
a = doc.addObject("Part::FeaturePython","BaseBend")
SMBaseBend(a)
SMBaseViewProvider(a.ViewObject)
else:
#FreeCAD.Console.PrintLog("found active body: " + activeBody.Name)
a = doc.addObject("PartDesign::FeaturePython","BaseBend")
SMBaseBend(a)
SMBaseViewProvider(a.ViewObject)
activeBody.addObject(a)
doc.recompute()
doc.commitTransaction()
return
def IsActive(self):
if len(Gui.Selection.getSelection()) != 1 :
return False
selobj = Gui.Selection.getSelection()[0]
if not(
selobj.isDerivedFrom("Sketcher::SketchObject")
or selobj.isDerivedFrom("PartDesign::ShapeBinder")
or selobj.isDerivedFrom("PartDesign::SubShapeBinder")
):
return False
return True
Gui.addCommand('SMBase',AddBaseCommandClass())