def LoadFile(self, filename):
extension = os.path.basename(filename).split(".").pop().lower()
start_time = time.time()
if extension =="step" or extension == "stp":
stepReader = STEPControl.STEPControl_Reader()
stepReader.ReadFile(str(filename))
numTranslated = stepReader.TransferRoots()
shape = stepReader.OneShape()
elif extension == "stl":
shape = TopoDS.TopoDS_Shape()
stl_reader = StlAPI.StlAPI_Reader()
stl_reader.Read(shape,str(filename))
elif extension =="iges" or extension =="igs":
i = IGESControl.IGESControl_Controller()
i.Init()
iges_reader = IGESControl.IGESControl_Reader()
iges_reader.ReadFile(str(filename))
iges_reader.TransferRoots()
shape = iges_reader.OneShape()
elif extension == "brep":
shape = TopoDS.TopoDS_Shape()
builder = BRep.BRep_Builder()
BRepTools.BRepTools().Read(shape,str(filename),builder)
else:
return True
self.canva._3dDisplay.EraseAll()
self.canva._3dDisplay.DisplayShape(shape)
wx.SafeYield()
self.canva._3dDisplay.View_Iso()
self.canva._3dDisplay.FitAll()
end_time = time.time()
self.SetTitle("pythonOCC Interactive Console %s:%s"%(VERSION,filename))
duration = end_time-start_time
print "%s STEP file loaded and displayed in %f seconds."%(filename,duration)
def file_to_shape(pth):
'''get a Shape from an .iges or .step file'''
assert os.path.isfile(pth), '%s is not a valid directory' % (pth)
ext = os.path.splitext(pth)[1]
print 'ext', ext
assert ext in ['.iges', '.igs', '.stp', '.step', '.brep',
'.stl'], '%s is not an readable format' % (ext)
if ext in ['.iges', '.igs']:
__i = IGESControl_Controller()
__i.Init()
reader = IGESControl_Reader()
elif ext in ['.step', '.stp']:
reader = STEPControl_Reader()
elif ext == '.brep':
from OCC import TopoDS, BRep, BRepTools
shape = TopoDS.TopoDS_Shape()
builder = BRep.BRep_Builder()
BRepTools.BRepTools().Read(shape, pth, builder)
return shape
elif ext == '.stl':
from OCC import TopoDS, StlAPI
shape = TopoDS.TopoDS_Shape()
stl_reader = StlAPI.StlAPI_Reader()
stl_reader.Read(shape, pth)
return shape
reader.ReadFile(pth)
n_translated = reader.TransferRoots()
shape = reader.OneShape()
del reader
return shape
def LoadFile(self,filename):
extension = os.path.basename(filename).split(".").pop().lower()
start_time = time.time()
if extension =="step" or extension == "stp":
from OCC.Utils.DataExchange.STEP import STEPImporter
stepReader = STEPImporter(str(filename))
stepReader.read_file()
shape = stepReader.get_shapes()
elif extension == "stl":
from OCC import TopoDS, StlAPI
shape = TopoDS.TopoDS_Shape()
stl_reader = StlAPI.StlAPI_Reader()
stl_reader.Read(shape,str(filename))
elif extension =="iges" or extension =="igs":
from OCC import IGESControl
i = IGESControl.IGESControl_Controller()
i.Init()
iges_reader = IGESControl.IGESControl_Reader()
iges_reader.ReadFile(str(filename))
iges_reader.TransferRoots()
shape = iges_reader.OneShape()
elif extension == "brep":
from OCC import TopoDS, BRep, BRepTools
shape = TopoDS.TopoDS_Shape()
builder = BRep.BRep_Builder()
BRepTools.BRepTools().Read(shape,str(filename),builder)
else:
return True
self.canva._display.DisplayShape(shape)
end_time = time.time()
self.SetTitle("CAD Viewer - pythonOCC %s:%s"%(VERSION,filename))
duration = end_time-start_time
print "%s STEP file loaded and displayed in %f seconds."%(filename,duration)
def shape_to_file(shape, pth, filename, format='iges'):
'''write a Shape to a .iges .brep .stl or .step file'''
_pth = os.path.join(pth, filename)
assert not os.path.isdir(_pth), 'wrong path, filename'
_file = "%s.%s" % (_pth, format)
_formats = ['iges', 'igs', 'step', 'stp', 'brep', 'stl']
assert format in _formats, '%s is not a readable format, should be one of %s ' % (
format, _formats)
if format in ['iges', 'igs']:
i = IGESControl_Controller()
i.Init()
writer = IGESControl_Writer()
writer.AddShape(shape)
writer.Write(_file)
return _file
elif format in ['step', 'stp']:
i = STEPControl_Controller()
i.Init()
writer = STEPControl_Writer()
writer.Transfer(shape, STEPControl_AsIs)
writer.Write(_file)
return _file
elif format == 'brep':
from OCC import TopoDS, BRep, BRepTools
#shape = TopoDS.TopoDS_Shape()
builder = BRep.BRep_Builder()
BRepTools.BRepTools().Write(shape, _file)
elif format == 'stl':
from OCC import TopoDS, StlAPI
#shape = TopoDS.TopoDS_Shape()
stl_reader = StlAPI.StlAPI_Writer()
stl_reader.Read(shape, _file)
else:
raise TypeError(
'format should be one of [iges,igs], [step,stp], brep, stl\ngot %s'
% (format))
from OCC import TopTools, BRepBndLib, Bnd, gp, BRepBuilderAPI, GProp, BRepGProp, BRepPrimAPI, BRepAlgoAPI, BRepTools, BRepAlgo
from OCC.Utils.Topology import Topo
from OCC.Utils import Topology
import SlicingOptions
import Wrappers
import OCCUtil
from Extruder import *
from Constants import *
import hatchlib
import Util
import debugdisplay
brt = BRepTools.BRepTools()
"""
Slices a solid,
Still to implement:
(1) Filling
(a) implement fill density
(b) implement alternating fill angle
(c) join paths
(2) Output
(a) SVG output
(b) Gcode output
(3) Testing: try loading STL
(4) support
(5) hexagonal fill ( even though it is slow )
from OCC.Display.SimpleGui import *
from OCC import BRep
from OCC.BRepTools import *
from OCC import TopoDS
from OCC.Message import Message_PrinterOStream
import sys
fileName = 'input.brp'
if (len(sys.argv) > 1):
fileName = sys.argv[1]
brep_instance = BRepTools()
shape = TopoDS.TopoDS_Shape()
builder = BRep.BRep_Builder()
printrerStream = Message_PrinterOStream()
s = printrerStream.GetStream()
brep_instance.Read(shape, str(fileName), builder)
