class MeshParser(object):
def __init__(self):
self._parser = None
def parse(self, filename, use_parser=None):
if use_parser is None:
# Try and determine which parser to use.
vtk_parser = VTKParser()
stl_parser = STLParser()
vrml_parser = VRMLParser()
if filename.endswith('.vtk'):
if vtk_parser.canParse(filename):
self._parser = vtk_parser
else:
raise TypeError('Could not parse mesh as vtk mesh: {0}'.format(filename))
elif filename.endswith('.stl'):
if stl_parser.canParse(filename):
self._parser = stl_parser
else:
raise TypeError('Could not parse mesh as stl mesh: {0}'.format(filename))
elif filename.endswith('.wrl'):
if vrml_parser.canParse(filename):
self._parser = vrml_parser
else:
raise TypeError('Could not parse mesh as vrml mesh: {0}'.format(filename))
else:
if vtk_parser.canParse(filename):
self._parser = vtk_parser
elif stl_parser.canParse(filename):
self._parser = stl_parser
elif vrml_parser.canParse(filename):
self._parser = vrml_parser
else:
raise TypeError('Could not determine type of mesh to parse for filename: {0}'.format(filename))
else:
lower = use_parser.lowercase()
if lower == 'vrml':
self._parser = VRMLParser()
elif lower == 'stk':
self._parser = STLParser()
elif lower == 'vtk':
self._parser = VTKParser()
else:
raise NotImplementedError('A parser for the value: "{0}" has not been implemented.'.format(use_parser))
self._parser.parse(filename)
def getPoints(self, pared=False):
return self._parser.getPoints(pared=pared)
def getElements(self, zero_based=True, pared=False):
return self._parser.getElements(zero_based=zero_based, pared=pared)
def parse(self, filename, use_parser=None):
if use_parser is None:
# Try and determine which parser to use.
vtk_parser = VTKParser()
stl_parser = STLParser()
vrml_parser = VRMLParser()
if filename.endswith('.vtk'):
if vtk_parser.canParse(filename):
self._parser = vtk_parser
else:
raise TypeError(
'Could not parse mesh as vtk mesh: {0}'.format(
filename))
elif filename.endswith('.stl'):
if stl_parser.canParse(filename):
self._parser = stl_parser
else:
raise TypeError(
'Could not parse mesh as stl mesh: {0}'.format(
filename))
elif filename.endswith('.wrl'):
if vrml_parser.canParse(filename):
self._parser = vrml_parser
else:
raise TypeError(
'Could not parse mesh as vrml mesh: {0}'.format(
filename))
else:
if vtk_parser.canParse(filename):
self._parser = vtk_parser
elif stl_parser.canParse(filename):
self._parser = stl_parser
elif vrml_parser.canParse(filename):
self._parser = vrml_parser
else:
raise TypeError(
'Could not determine type of mesh to parse for filename: {0}'
.format(filename))
else:
lower = use_parser.lowercase()
if lower == 'vrml':
self._parser = VRMLParser()
elif lower == 'stk':
self._parser = STLParser()
elif lower == 'vtk':
self._parser = VTKParser()
else:
raise NotImplementedError(
'A parser for the value: "{0}" has not been implemented.'.
format(use_parser))
self._parser.parse(filename)
def parse(self, filename, use_parser=None):
if use_parser is None:
# Try and determine which parser to use.
vtk_parser = VTKParser()
stl_parser = STLParser()
vrml_parser = VRMLParser()
if filename.endswith('.vtk'):
if vtk_parser.canParse(filename):
self._parser = vtk_parser
else:
raise TypeError('Could not parse mesh as vtk mesh: {0}'.format(filename))
elif filename.endswith('.stl'):
if stl_parser.canParse(filename):
self._parser = stl_parser
else:
raise TypeError('Could not parse mesh as stl mesh: {0}'.format(filename))
elif filename.endswith('.wrl'):
if vrml_parser.canParse(filename):
self._parser = vrml_parser
else:
raise TypeError('Could not parse mesh as vrml mesh: {0}'.format(filename))
else:
if vtk_parser.canParse(filename):
self._parser = vtk_parser
elif stl_parser.canParse(filename):
self._parser = stl_parser
elif vrml_parser.canParse(filename):
self._parser = vrml_parser
else:
raise TypeError('Could not determine type of mesh to parse for filename: {0}'.format(filename))
else:
lower = use_parser.lowercase()
if lower == 'vrml':
self._parser = VRMLParser()
elif lower == 'stk':
self._parser = STLParser()
elif lower == 'vtk':
self._parser = VTKParser()
else:
raise NotImplementedError('A parser for the value: "{0}" has not been implemented.'.format(use_parser))
self._parser.parse(filename)
def testParse2(self):
v = VTKParser()
v.parse('data/cardiac_jelly.vtk')
self.assertEqual(1170, len(v.getPoints()))
self.assertEqual(2314, len(v.getElements()))
def testParse1(self):
v = VTKParser()
v.parse('data/cardiac_jelly.vtk')
class MeshParser(object):
def __init__(self):
self._parser = None
def parse(self, filename, use_parser=None):
if use_parser is None:
# Try and determine which parser to use.
vtk_parser = VTKParser()
stl_parser = STLParser()
vrml_parser = VRMLParser()
if filename.endswith('.vtk'):
if vtk_parser.canParse(filename):
self._parser = vtk_parser
else:
raise TypeError(
'Could not parse mesh as vtk mesh: {0}'.format(
filename))
elif filename.endswith('.stl'):
if stl_parser.canParse(filename):
self._parser = stl_parser
else:
raise TypeError(
'Could not parse mesh as stl mesh: {0}'.format(
filename))
elif filename.endswith('.wrl'):
if vrml_parser.canParse(filename):
self._parser = vrml_parser
else:
raise TypeError(
'Could not parse mesh as vrml mesh: {0}'.format(
filename))
else:
if vtk_parser.canParse(filename):
self._parser = vtk_parser
elif stl_parser.canParse(filename):
self._parser = stl_parser
elif vrml_parser.canParse(filename):
self._parser = vrml_parser
else:
raise TypeError(
'Could not determine type of mesh to parse for filename: {0}'
.format(filename))
else:
lower = use_parser.lowercase()
if lower == 'vrml':
self._parser = VRMLParser()
elif lower == 'stk':
self._parser = STLParser()
elif lower == 'vtk':
self._parser = VTKParser()
else:
raise NotImplementedError(
'A parser for the value: "{0}" has not been implemented.'.
format(use_parser))
self._parser.parse(filename)
def getPoints(self, pared=False):
return self._parser.getPoints(pared=pared)
def getElements(self, zero_based=True, pared=False):
return self._parser.getElements(zero_based=zero_based, pared=pared)
def testExistence(self):
v = VTKParser()
self.assertRaises(IOError, v.parse, 'file that doesnt exist')
def testParse2(self):
v = VTKParser()
v.parse('data/cardiac_jelly.vtk')
self.assertEqual(1170, len(v.getPoints()))
self.assertEqual(2314, len(v.getElements()))
def testParse1(self):
v = VTKParser()
v.parse('data/cardiac_jelly.vtk')
def testBinaryFormat(self):
v = VTKParser()
self.assertRaises(NotImplementedError, v.parse, os.path.join(file_path, 'data/fake_binary_format.vtk'))
def testOldFormat(self):
v = VTKParser()
test_filename = os.path.join(file_path, 'data/old_format.vtk')
self.assertFalse(v.canParse(test_filename))
self.assertRaises(SyntaxError, v.parse, test_filename)
def testParse1(self):
v = VTKParser()
test_filename = os.path.join(file_path, 'data/cardiac_jelly.vtk')
self.assertTrue(v.canParse(test_filename))
v.parse(test_filename)