Esempio n. 1
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    def check_fault_data(cls, fault_trace, upper_seismogenic_depth,
                         lower_seismogenic_depth, dip, mesh_spacing):
        """
        Verify the fault data and raise ``ValueError`` if anything is wrong.

        This method doesn't have to be called by hands before creating the
        surface object, because it is called from :meth:`from_fault_data`.
        """
        if not len(fault_trace) >= 2:
            raise ValueError("the fault trace must have at least two points")
        if not fault_trace.on_surface():
            raise ValueError("the fault trace must be defined on the surface")
        tlats = [point.latitude for point in fault_trace.points]
        tlons = [point.longitude for point in fault_trace.points]
        if geo_utils.line_intersects_itself(tlons, tlats):
            raise ValueError("fault trace intersects itself")
        if not 0.0 < dip <= 90.0:
            raise ValueError("dip must be between 0.0 and 90.0")
        if not lower_seismogenic_depth > upper_seismogenic_depth:
            raise ValueError("lower seismogenic depth must be greater than "
                             "upper seismogenic depth")
        if not upper_seismogenic_depth >= 0.0:
            raise ValueError("upper seismo depth must be non-negative")
        if not mesh_spacing > 0.0:
            raise ValueError("mesh spacing must be positive")
Esempio n. 2
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    def __init__(self, points):
        points = utils.clean_points(points)

        if not len(points) >= 3:
            raise ValueError('polygon must have at least 3 unique vertices')

        self.lons = numpy.array([float(point.longitude) for point in points])
        self.lats = numpy.array([float(point.latitude) for point in points])

        if utils.line_intersects_itself(self.lons, self.lats,
                                        closed_shape=True):
            raise ValueError('polygon perimeter intersects itself')

        self._bbox = None
        self._projection = None
        self._polygon2d = None
Esempio n. 3
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    def __init__(self, points):
        points = utils.clean_points(points)

        if not len(points) >= 3:
            raise ValueError('polygon must have at least 3 unique vertices')

        self.lons = numpy.array([float(point.longitude) for point in points])
        self.lats = numpy.array([float(point.latitude) for point in points])

        if utils.line_intersects_itself(self.lons,
                                        self.lats,
                                        closed_shape=True):
            raise ValueError('polygon perimeter intersects itself')

        self._bbox = None
        self._projection = None
        self._polygon2d = None