def validate_alignment(self):
'''
Ensure the alignment geometry is continuous.
Any discontinuities (gaps between end / start coordinates)
must be filled by a completely defined line
'''
_prev_coord = self.geometry['meta']['Start']
_geo_list = []
for _geo in self.geometry['geometry']:
if not _geo:
continue
_coord = _geo['Start']
if not Support.within_tolerance(_coord.Length, _prev_coord.Length):
#build the line using the provided parameters and add it
_geo_list.append(
Line.get_parameters({
'Start': App.Vector(_prev_coord),
'End': App.Vector(_coord),
'BearingIn': _geo['BearingIn'],
'BearingOut': _geo['BearingOut'],
}))
_geo_list.append(_geo)
_prev_coord = _geo['End']
self.geometry['geometry'] = _geo_list
def set_geometry(self, geometry):
'''
Assign geometry to the alignment object
'''
self.geometry = geometry
self.assign_meta_data()
self.assign_station_data()
for _i, _geo in enumerate(self.geometry['geometry']):
if _geo['Type'] == 'Curve':
_geo = Arc.get_parameters(_geo)
elif _geo['Type'] == 'Line':
_geo = Line.get_parameters(_geo)
else:
self.errors.append('Undefined geometry: ' + _geo)
continue
self.geometry['geometry'][_i] = _geo
self.validate_datum()
self.validate_stationing()
if not self.validate_bearings():
return False
self.validate_coordinates()
self.validate_alignment()
#call once more to catch any added geometry from validate_alignment()
self.validate_stationing()
return True