Пример #1
0
 def _update_ra_dec(self):
     fits_header = self.fits_header
     self._ra, self._dec = wcs.xy2sky(self.pixel_x, self.pixel_y,
                                      float(fits_header['CRPIX1']),
                                      float(fits_header['CRPIX2']),
                                      float(fits_header['CRVAL1']),
                                      float(fits_header['CRVAL2']),
                                      wcs.parse_cd(fits_header),
                                      wcs.parse_pv(fits_header),
                                      wcs.parse_order_fit(fits_header))
Пример #2
0
    def test_parse_pv_values(self):
        pv = wcs.parse_pv(self.header)

        assert_that(pv, has_length(2))
        assert_that(pv[0], has_length(11))
        assert_that(pv[1], has_length(11))

        # PV1_0 through PV1_10
        assert_that(
            pv[0],
            contains(-1.909806626877E-03, 1.00815723310, 1.983393486250E-03,
                     0.00000000000, 4.623172227977E-05, -1.020423075276E-05,
                     2.258600565396E-05, -2.354656733463E-02,
                     -1.671912720931E-04, -2.339051960031E-02,
                     -2.903290518437E-05))

        # PV2_0 through PV2_10
        assert_that(
            pv[1],
            contains(-7.294883106769E-04, 1.00392029973, 1.983331686156E-03,
                     0.00000000000, 3.022667872225E-05, 4.509364811534E-05,
                     -5.385195875663E-06, -2.333221106141E-02,
                     -1.789051786060E-04, -2.348803123711E-02,
                     -2.465552723903E-05))