def test_stl_exporter_happy_path(box_shape): r"""Happy path""" filename = path_from_file(__file__, "./models_out/box.sTl") exporter = StlExporter(filename) exporter.set_shape(box_shape) exporter.write_file() assert os.path.isfile(filename)
def test_stl_exporter_happy_path_shape_subclass(box_shape): r"""Happy path with a subclass of TopoDS_Shape""" filename = path_from_file(__file__, "./models_out/box.stl") exporter = StlExporter(filename) solid = shape_to_topology(box_shape) assert isinstance(solid, TopoDS.TopoDS_Solid) exporter.set_shape(solid) exporter.write_file() assert os.path.isfile(filename)
def test_stl_exporter_happy_path(box_shape): r"""Happy path""" filename = path_from_file(__file__, "./models_out/box.stl") exporter = StlExporter(filename) exporter.set_shape(box_shape) exporter.write_file() assert os.path.isfile(filename)
def shape_to_file(shape, pth, filename, format='iges'): """write a Shape to a .iges .brep .stl or .step file""" from OCCDataExchange.brep import BrepExporter from OCCDataExchange.iges import IgesExporter from OCCDataExchange.step import StepExporter from OCCDataExchange.stl import StlExporter _pth = os.path.join(pth, filename) assert not os.path.isdir(_pth), 'wrong path, filename' _file = str("%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']: writer = IgesExporter(_file) writer.add_shape(shape) writer.write_file() return _file elif format in ['step', 'stp']: writer = StepExporter(_file) writer.add_shape(shape) writer.write_file() return _file elif format == 'brep': writer = BrepExporter(_file) writer.set_shape(shape) writer.write_file() return _file elif format == 'stl': writer = StlExporter(_file) writer.set_shape(shape) writer.write_file() return _file else: raise ValueError( 'format should be one of [iges,igs], [step,stp], brep, stl\ngot %s' % (format))
def test_stl_exporter_overwrite(box_shape): r"""Happy path with a subclass of TopoDS_Shape""" filename = path_from_file(__file__, "./models_out/box.stl") exporter = StlExporter(filename) solid = shape_to_topology(box_shape) assert isinstance(solid, TopoDS.TopoDS_Solid) exporter.set_shape(solid) exporter.write_file() assert os.path.isfile(filename) # read the written box.stl importer = StlImporter(filename) topo = Topo(importer.shape) assert topo.number_of_shells() == 1 # set a sphere and write again with same exporter sphere = BRepPrimAPI.BRepPrimAPI_MakeSphere(10) exporter.set_shape(sphere.Shape()) exporter.write_file() # this creates a file with a sphere only, this is STL specific # check that the file contains the sphere only importer = StlImporter(filename) topo = Topo(importer.shape) assert topo.number_of_shells() == 1 # create a new exporter and overwrite with a box only filename = path_from_file(__file__, "./models_out/box.stl") exporter = StlExporter(filename) solid = shape_to_topology(box_shape) exporter.set_shape(solid) exporter.write_file() assert os.path.isfile(filename) # check the file only contains a box importer = StlImporter(filename) topo = Topo(importer.shape) assert topo.number_of_shells() == 1
def test_stl_exporter_adding_not_a_shape(box_shape): r"""Adding something to the exporter that is not a TopoDS_Shape or a subclass""" filename = path_from_file(__file__, "./models_out/box.stl") exporter = StlExporter(filename) with pytest.raises(ValueError): exporter.set_shape(gp.gp_Pnt(1, 1, 1))
#!/usr/bin/env python # coding: utf-8 r"""Exporting a shape to STL""" from __future__ import print_function import logging from OCC import BRepPrimAPI from OCCDataExchange.stl import StlExporter from OCCDataExchange.utils import path_from_file logging.basicConfig( level=logging.DEBUG, format= '%(asctime)s :: %(levelname)6s :: %(module)20s :: %(lineno)3d :: %(message)s' ) # First create a simple shape to export my_box_shape = BRepPrimAPI.BRepPrimAPI_MakeBox(50, 50, 50).Shape() # Export to STL. If ASCIIMode is set to False, then binary format is used. filename = path_from_file(__file__, "./models_out/result_export.stl") my_stl_exporter = StlExporter(filename, ascii_mode=True) my_stl_exporter.set_shape(my_box_shape) my_stl_exporter.write_file()
#!/usr/bin/env python # coding: utf-8 r"""Exporting a shape to STL""" from __future__ import print_function import logging from OCC import BRepPrimAPI from OCCDataExchange.stl import StlExporter from OCCDataExchange import path_from_file logging.basicConfig( level=logging.DEBUG, format="%(asctime)s :: %(levelname)6s :: %(module)20s :: %(lineno)3d :: %(message)s" ) # First create a simple shape to export my_box_shape = BRepPrimAPI.BRepPrimAPI_MakeBox(50, 50, 50).Shape() # Export to STL. If ASCIIMode is set to False, then binary format is used. filename = path_from_file(__file__, "./models_out/result_export.stl") my_stl_exporter = StlExporter(filename, ascii_mode=True) my_stl_exporter.set_shape(my_box_shape) my_stl_exporter.write_file()
def test_stl_exporter_overwrite(box_shape): r"""Happy path with a subclass of TopoDS_Shape""" filename = path_from_file(__file__, "./models_out/box.stl") exporter = StlExporter(filename) solid = shape_to_topology(box_shape) assert isinstance(solid, TopoDS.TopoDS_Solid) exporter.set_shape(solid) exporter.write_file() assert os.path.isfile(filename) # read the written box.stl importer = StlImporter(filename) topo = Topo(importer.shape) assert topo.number_of_shells() == 1 # set a sphere and write again with same exporter sphere = BRepPrimAPI.BRepPrimAPI_MakeSphere(10) exporter.set_shape(sphere.Shape()) exporter.write_file( ) # this creates a file with a sphere only, this is STL specific # check that the file contains the sphere only importer = StlImporter(filename) topo = Topo(importer.shape) assert topo.number_of_shells() == 1 # create a new exporter and overwrite with a box only filename = path_from_file(__file__, "./models_out/box.stl") exporter = StlExporter(filename) solid = shape_to_topology(box_shape) exporter.set_shape(solid) exporter.write_file() assert os.path.isfile(filename) # check the file only contains a box importer = StlImporter(filename) topo = Topo(importer.shape) assert topo.number_of_shells() == 1
def test_stl_exporter_wrong_extension(box_shape): r"""Trying to write a step file with the IgesExporter""" filename = path_from_file(__file__, "./models_out/box.step") with pytest.raises(AssertionError): StlExporter(filename)
def test_stl_exporter_wrong_filename(box_shape): r"""Trying to write to a non-existent directory""" filename = path_from_file(__file__, "./nonexistent/box.stl") with pytest.raises(AssertionError): StlExporter(filename)