Source code for openquake.hazardlib.geo.nodalplane

# -*- coding: utf-8 -*-
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# OpenQuake is free software: you can redistribute it and/or modify it
# under the terms of the GNU Affero General Public License as published
# by the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
# OpenQuake is distributed in the hope that it will be useful,
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# GNU Affero General Public License for more details.
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Module :mod:`openquake.hazardlib.geo.nodalplane` implements
from openquake.baselib.slots import with_slots

[docs]@with_slots class NodalPlane(object): """ Nodal plane represents earthquake rupture orientation and propagation direction. :param strike: Angle between line created by the intersection of rupture plane and the North direction (defined between 0 and 360 degrees). :param dip: Angle between earth surface and fault plane (defined between 0 and 90 degrees). :param rake: Angle describing rupture propagation direction (defined between -180 and +180 degrees). :raises ValueError: If any of parameters exceeds the definition range. """ _slots_ = ['strike', 'dip', 'rake'] def __init__(self, strike, dip, rake): self.check_dip(dip) self.check_rake(rake) self.check_strike(strike) self.strike = strike self.dip = dip self.rake = rake
[docs] @classmethod def check_dip(cls, dip): """ Check if ``dip`` is in range ``(0, 90]`` and raise ``ValueError`` otherwise. """ if not 0 < dip <= 90: raise ValueError('dip %g is out of range (0, 90]' % dip)
[docs] @classmethod def check_strike(cls, strike): """ Check if ``strike`` is in range ``[0, 360)`` and raise ``ValueError`` otherwise. """ if not 0 <= strike < 360: raise ValueError('strike %g is out of range [0, 360)' % strike)
[docs] @classmethod def check_rake(cls, rake): """ Check if ``rake`` is in range ``(-180, 180]`` and raise ``ValueError`` otherwise. """ if not -180 < rake <= 180: raise ValueError('rake %g is out of range (-180, 180]' % rake)