Example #1
0
def test_ReadFHD_model():
    """FHD to uvfits loopback test with model visibilities."""
    fhd_uv = UVData()
    uvfits_uv = UVData()
    fhd_uv.read_fhd(testfiles, use_model=True)
    fhd_uv.write_uvfits(os.path.join(DATA_PATH, 'test/outtest_FHD_1061316296_model.uvfits'),
                        spoof_nonessential=True)
    uvfits_uv.read_uvfits(os.path.join(DATA_PATH, 'test/outtest_FHD_1061316296_model.uvfits'))
    nt.assert_equal(fhd_uv, uvfits_uv)
    del(fhd_uv)
    del(uvfits_uv)
Example #2
0
def test_ReadFHDWriteReadUVFits():
    """
    FHD to uvfits loopback test.

    Read in FHD files, write out as uvfits, read back in and check for object
    equality.
    """
    fhd_uv = UVData()
    uvfits_uv = UVData()
    fhd_uv.read_fhd(testfiles)
    fhd_uv.write_uvfits(os.path.join(DATA_PATH, 'test/outtest_FHD_1061316296.uvfits'),
                        spoof_nonessential=True)
    uvfits_uv.read_uvfits(os.path.join(DATA_PATH, 'test/outtest_FHD_1061316296.uvfits'))
    nt.assert_equal(fhd_uv, uvfits_uv)
    del(fhd_uv)
    del(uvfits_uv)
Example #3
0
def test_ReadMiriadWriteUVFits():
    """
    Miriad to uvfits loopback test.

    Read in Miriad files, write out as uvfits, read back in and check for
    object equality.
    """
    miriad_uv = UVData()
    uvfits_uv = UVData()
    miriad_file = os.path.join(DATA_PATH, 'zen.2456865.60537.xy.uvcRREAA')
    testfile = os.path.join(DATA_PATH, 'test/outtest_miriad.uvfits')
    miriad_status = uvtest.checkWarnings(miriad_uv.read_miriad, [miriad_file],
                                         known_warning='miriad')
    miriad_uv.write_uvfits(testfile, spoof_nonessential=True,
                           force_phase=True)
    uvfits_uv.read_uvfits(testfile)
    nt.assert_true(miriad_status)
    nt.assert_equal(miriad_uv, uvfits_uv)
    del(miriad_uv)
    del(uvfits_uv)
Example #4
0
#! /usr/bin/env python

import argparse
import os.path as op
from uvdata import UVData

parser = argparse.ArgumentParser()
parser.add_argument('uvfits_read',
                    help='name of a uvfits file to read in')
parser.add_argument('uvfits_write',
                    help='name of a uvfits file to write out')

args = parser.parse_args()

uvfits_file_in = args.uvfits_read
if not op.isfile(uvfits_file_in):
    raise IOError('There is no file named {}'.format(args.uvfits_file_in))

uvfits_file_out = args.uvfits_write

this_uv = UVData()
this_uv.read_uvfits(uvfits_file_in)

this_uv.write_uvfits(uvfits_file_out)

del(this_uv)