# This file is part of OpenDrift.
#
# OpenDrift is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, version 2
#
# OpenDrift is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with OpenDrift. If not, see <https://www.gnu.org/licenses/>.
#
# Copyright 2015,2020 Knut-Frode Dagestad, MET Norway
from opendrift.readers.basereader import BaseReader, StructuredReader
[docs]
class Reader(BaseReader, StructuredReader):
'''Reader based on static 2D arrays of variables'''
def __init__(self, x, y, array_dict, proj4='+proj=latlong'):
'''init with a map {'variable_name': array, ...}'''
self.proj4 = proj4
self.xmin = x.min()
self.xmax = x.max()
self.ymin = y.min()
self.ymax = y.max()
self.variables = list(array_dict.keys())
self.array_dict = {'x': x, 'y': y, 'z': 0}
for var in array_dict:
self.array_dict[var] = array_dict[var]
self.start_time = None
self.end_time = None
self.time_step = None
self.name = 'reader_constant_2d'
# Run constructor of parent Reader class
super(Reader, self).__init__()
[docs]
def get_variables(self, requestedVariables, time=None,
x=None, y=None, z=None):
self.array_dict['time'] = time
return self.array_dict