def test_read_all_fields():
mdvfile = MdvFile(pyart.testing.MDV_PPI_FILE)
# read all fields
assert mdvfile.fields_data[0] is None
mdvfile.read_all_fields()
assert mdvfile.fields_data[0] is not None
assert_almost_equal(mdvfile.fields_data[0][0, 1, 2], 13.19, 2)
def test_read_all_fields():
mdvfile = MdvFile(pyart.testing.MDV_PPI_FILE)
# read all fields
assert mdvfile.fields_data[0] is None
mdvfile.read_all_fields()
assert mdvfile.fields_data[0] is not None
assert_almost_equal(mdvfile.fields_data[0][0, 1, 2], 13.19, 2)
def test_read_one_field():
mdvfile = MdvFile(pyart.testing.MDV_PPI_FILE)
# extract a field
assert mdvfile.fields_data[0] is None
sweeps = mdvfile.read_a_field(0)
assert sweeps.shape == (1, 360, 110)
assert_almost_equal(sweeps[0, 1, 2], 13.19, 2)
assert mdvfile.fields_data[0] is not None
# reread, should be faster
sweeps = mdvfile.read_a_field(0)
assert sweeps.shape == (1, 360, 110)
assert_almost_equal(sweeps[0, 1, 2], 13.19, 2)
assert mdvfile.fields_data[0] is not None
def test_read_one_field():
mdvfile = MdvFile(pyart.testing.MDV_PPI_FILE)
# extract a field
assert mdvfile.fields_data[0] is None
sweeps = mdvfile.read_a_field(0)
assert sweeps.shape == (1, 360, 110)
assert_almost_equal(sweeps[0, 1, 2], 13.19, 2)
assert mdvfile.fields_data[0] is not None
# reread, should be faster
sweeps = mdvfile.read_a_field(0)
assert sweeps.shape == (1, 360, 110)
assert_almost_equal(sweeps[0, 1, 2], 13.19, 2)
assert mdvfile.fields_data[0] is not None
def test_read_all_fields_on_creation():
mdvfile2 = MdvFile(pyart.testing.MDV_PPI_FILE, read_fields=True)
assert mdvfile2.fields_data[0] is not None
assert_almost_equal(mdvfile2.fields_data[0][0, 1, 2], 13.19, 2)
mdvfile2.close()
def test_read_all_fields_on_creation():
mdvfile2 = MdvFile(pyart.testing.MDV_PPI_FILE, read_fields=True)
assert mdvfile2.fields_data[0] is not None
assert_almost_equal(mdvfile2.fields_data[0][0, 1, 2], 13.19, 2)
mdvfile2.close()
def test_geometry_raises():
mdvfile = MdvFile(pyart.testing.MDV_GRID_FILE)
pytest.raises(NotImplementedError, mdvfile._calc_geometry)
import warnings
from datetime import datetime
from io import BytesIO
import numpy as np
from numpy.testing import assert_almost_equal
import pytest
import pyart
from pyart.io.mdv_common import MdvFile
#################
# MdvFile tests #
#################
mdvfile = MdvFile(pyart.testing.MDV_PPI_FILE)
def test_master_header():
# test the master header
ref_master_header = {
'chunk_hdr_offset':
2464,
'data_collection_type':
0,
'data_dimension':
0,
'data_ordering':
0,
'data_set_info':
'MDV radar volume file created by Dsr2Vol.',