def test_iter(self):
"""
Test __iter__ method.
"""
s1 = TopoDS_Shape()
s2 = TopoDS_Shape()
s3 = TopoDS_Shape()
shape_list = TopoDS_ListOfShape()
shape_list.Append(s1)
shape_list.Append(s2)
shape_list.Append(s3)
self.assertEqual(shape_list.Size(), 3)
for s in shape_list:
self.assertIsInstance(s, TopoDS_Shape)
def load_brep(filename):
""" Load a brep model """
shape = TopoDS_Shape()
builder = BRep_Builder()
BRepTools.Read_(shape, filename, builder, None)
# TODO: Load colors
return [TopoShape(shape=shape)]
def read_brep(fn):
"""
Read a BREP file and return as a single shape.
:param str fn: Filename.
:return: The shape.
:rtype: OCCT.TopoDS.TopoDS_Shape
"""
shape = TopoDS_Shape()
builder = BRep_Builder()
BRepTools.Read_(shape, fn, builder)
return shape
def read_brep(fn):
"""
Read a BREP file and return the shape.
:param str fn: The filename.
:return: The shape.
:rtype: afem.topology.entities.Shape
"""
shape = TopoDS_Shape()
builder = BRep_Builder()
BRepTools.Read_(shape, fn, builder)
return Shape.wrap(shape)
## ##This file is part of pythonOCC. ## ##pythonOCC is free software: you can redistribute it and/or modify ##it under the terms of the GNU Lesser General Public License as published by ##the Free Software Foundation, either version 3 of the License, or ##(at your option) any later version. ## ##pythonOCC 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 Lesser General Public License for more details. ## ##You should have received a copy of the GNU Lesser General Public License ##along with pythonOCC. If not, see <http://www.gnu.org/licenses/>. from OCC.Display.WebGl import x3dom_renderer from OCCT.BRep import BRep_Builder from OCCT.TopoDS import TopoDS_Shape from OCCT.BRepTools import breptools_Read # loads brep shape cylinder_head = TopoDS_Shape() builder = BRep_Builder() breptools_Read(cylinder_head, '../assets/models/cylinder_head.brep', builder) # render cylinder head in x3dom my_renderer = x3dom_renderer.X3DomRenderer() my_renderer.DisplayShape(cylinder_head) my_renderer.render()
##GNU Lesser General Public License for more details.
##
##You should have received a copy of the GNU Lesser General Public License
##along with pythonOCC. If not, see <http://www.gnu.org/licenses/>.
import sys
from OCC.Display.SimpleGui import init_display
from OCCT.Graphic3d import Graphic3d_RenderingParams
from OCCT.BRepTools import breptools_Read
from OCCT.TopoDS import TopoDS_Shape
from OCCT.BRep import BRep_Builder
display, start_display, add_menu, add_function_to_menu = init_display()
# loads the motor model
motor_c = TopoDS_Shape()
builder = BRep_Builder()
breptools_Read(motor_c, '../assets/models/Motor-c.brep', builder)
display.DisplayShape(motor_c, update=True)
def perspective(event=None):
display.SetPerspectiveProjection()
display.FitAll()
def orthographic(event=None):
display.SetOrthographicProjection()
display.FitAll()
import os
from OCCT.BRep import BRep_Builder
from OCCT.BRepTools import breptools
from OCCT.BRepAdaptor import BRepAdaptor_CompCurve, BRepAdaptor_HCompCurve
from OCCT.ShapeAnalysis import ShapeAnalysis_Curve
from OCCT.TopoDS import TopoDS_Shape, topods
from OCCT.gp import gp_Pnt
from OCCT.Approx import Approx_Curve3d
from OCCT.GeomAbs import GeomAbs_C2
from OCCT.GeomAPI import GeomAPI_ProjectPointOnCurve
# Read wire
wire_filename = os.path.join('..', 'assets', 'models', 'wire.brep')
shp = TopoDS_Shape()
aBuilder = BRep_Builder()
breptools.Read(shp, wire_filename, aBuilder)
wire = topods.Wire(shp)
if wire.IsNull():
raise AssertionError("Wire is Null")
# discretize the wire and interpolate using a C2
wireAdaptor = BRepAdaptor_CompCurve(wire)
curve = BRepAdaptor_HCompCurve(wireAdaptor)
tol = 1e-7
max_segments = 200
max_degrees = 12
approx = Approx_Curve3d(curve, tol, GeomAbs_C2, max_segments, max_degrees)
if (approx.IsDone() and approx.HasResult()):
an_approximated_curve = approx.Curve()
def load_brep(self, path):
""" Load a brep model """
shape = TopoDS_Shape()
builder = BRep_Builder()
BRepTools.Read_(shape, path, builder, None)
return [TopoShape(shape=shape)]
def get_brep():
cylinder_head = TopoDS_Shape()
builder = BRep_Builder()
breptools_Read(cylinder_head, '../assets/models/cylinder_head.brep',
builder)
return cylinder_head