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include "proj.pxi"

cdef extern from "proj_experimental.h":
    PJ *proj_crs_promote_to_3D(PJ_CONTEXT *ctx,
                               const char* crs_3D_name,
                               const PJ* crs_2D)


cdef _get_concatenated_operations(PJ_CONTEXT*context, PJ*concatenated_operation)
cdef _to_proj4(
    PJ_CONTEXT* context,
    PJ* projobj,
    version,
    pretty,
)

cdef class Axis:
    cdef readonly object name
    cdef readonly object abbrev
    cdef readonly object direction
    cdef readonly double unit_conversion_factor
    cdef readonly object unit_name
    cdef readonly object unit_auth_code
    cdef readonly object unit_code

    @staticmethod
    cdef Axis create(PJ_CONTEXT* context, PJ* projobj, int index)

cdef create_area_of_use(PJ_CONTEXT* context, PJ* projobj)

cdef class Base:
    cdef PJ *projobj
    cdef PJ_CONTEXT* context
    cdef readonly object name
    cdef readonly object _remarks
    cdef readonly object _scope
    cdef _set_base_info(self)

cdef class _CRSParts(Base):
    pass


cdef class Ellipsoid(_CRSParts):
    cdef readonly double semi_major_metre
    cdef readonly double semi_minor_metre
    cdef readonly object is_semi_minor_computed
    cdef readonly double inverse_flattening

    @staticmethod
    cdef Ellipsoid create(PJ_CONTEXT* context, PJ* ellipsoid_pj)


cdef class PrimeMeridian(_CRSParts):
    cdef readonly double longitude
    cdef readonly double unit_conversion_factor
    cdef readonly object unit_name

    @staticmethod
    cdef PrimeMeridian create(PJ_CONTEXT* context, PJ* prime_meridian_pj)


cdef class Datum(_CRSParts):
    cdef readonly object type_name
    cdef readonly object _ellipsoid
    cdef readonly object _prime_meridian

    @staticmethod
    cdef Datum create(PJ_CONTEXT* context, PJ* datum_pj)


cdef class CoordinateSystem(_CRSParts):
    cdef readonly object _axis_list

    @staticmethod
    cdef CoordinateSystem create(PJ_CONTEXT* context, PJ* coordinate_system_pj)


cdef class Param:
    cdef readonly object name
    cdef readonly object auth_name
    cdef readonly object code
    cdef readonly object value
    cdef readonly double unit_conversion_factor
    cdef readonly object unit_name
    cdef readonly object unit_auth_name
    cdef readonly object unit_code
    cdef readonly object unit_category

    @staticmethod
    cdef Param create(PJ_CONTEXT* context, PJ* projobj, int param_idx)


cdef class Grid:
    cdef readonly object short_name
    cdef readonly object full_name
    cdef readonly object package_name
    cdef readonly object url
    cdef readonly object direct_download
    cdef readonly object open_license
    cdef readonly object available

    @staticmethod
    cdef Grid create(PJ_CONTEXT* context, PJ* projobj, int grid_idx)


cdef class CoordinateOperation(_CRSParts):
    cdef readonly object _params
    cdef readonly object _grids
    cdef readonly object _area_of_use
    cdef readonly object method_name
    cdef readonly object method_auth_name
    cdef readonly object method_code
    cdef readonly double accuracy
    cdef readonly object is_instantiable
    cdef readonly object has_ballpark_transformation
    cdef readonly object _towgs84
    cdef readonly object _operations
    cdef readonly type_name

    @staticmethod
    cdef CoordinateOperation create(PJ_CONTEXT* context, PJ* coordinate_operation_pj)


cdef class _CRS(Base):
    cdef PJ_TYPE _type
    cdef PJ_PROJ_INFO projpj_info
    cdef readonly object srs
    cdef readonly object type_name
    cdef readonly object _ellipsoid
    cdef readonly object _area_of_use
    cdef readonly object _prime_meridian
    cdef readonly object _datum
    cdef readonly object _sub_crs_list
    cdef readonly object _source_crs
    cdef readonly object _target_crs
    cdef readonly object _geodetic_crs
    cdef readonly object _coordinate_system
    cdef readonly object _coordinate_operation