orca.transform.extractor_pb_75
==============================

.. py:module:: orca.transform.extractor_pb_75

.. autoapi-nested-parse::

   extractor_pb_75.py — OVRO-LWA beam model & warp utilities.

   Copied from ExoPipe into orca so pb_correction.py can import locally
   without depending on an external PYTHONPATH entry.



Attributes
----------

.. autoapisummary::

   orca.transform.extractor_pb_75.OVRO_LOC
   orca.transform.extractor_pb_75.BEAM_PATH
   orca.transform.extractor_pb_75.MATCH_RADIUS
   orca.transform.extractor_pb_75.DEFAULT_ALPHA
   orca.transform.extractor_pb_75.FLUX_RATIO_MIN
   orca.transform.extractor_pb_75.FLUX_RATIO_MAX
   orca.transform.extractor_pb_75.VLSS_MAX_SIZE_DEG
   orca.transform.extractor_pb_75.NVSS_MAX_SIZE_DEG
   orca.transform.extractor_pb_75.LWA_SIZE_TOLERANCE
   orca.transform.extractor_pb_75.WARP_ANCHOR_THRESH_PIX
   orca.transform.extractor_pb_75.CALIB_DATA


Classes
-------

.. autoapisummary::

   orca.transform.extractor_pb_75.BeamModel


Functions
---------

.. autoapisummary::

   orca.transform.extractor_pb_75.parse_vlssr_text
   orca.transform.extractor_pb_75.load_catalog
   orca.transform.extractor_pb_75.calc_model_flux
   orca.transform.extractor_pb_75.print_calibrator_table
   orca.transform.extractor_pb_75.plot_distortion_map
   orca.transform.extractor_pb_75.generate_warp_screens
   orca.transform.extractor_pb_75.apply_warp
   orca.transform.extractor_pb_75.fit_primary_beam


Module Contents
---------------

.. py:data:: OVRO_LOC

.. py:data:: BEAM_PATH
   :value: '/lustre/gh/calibration/pipeline/reference/beams/OVRO-LWA_MROsoil_updatedheight.h5'


.. py:data:: MATCH_RADIUS

.. py:data:: DEFAULT_ALPHA
   :value: -0.7


.. py:data:: FLUX_RATIO_MIN
   :value: 0.8


.. py:data:: FLUX_RATIO_MAX
   :value: 1.2


.. py:data:: VLSS_MAX_SIZE_DEG
   :value: 0.020833333333333332


.. py:data:: NVSS_MAX_SIZE_DEG
   :value: 0.0125


.. py:data:: LWA_SIZE_TOLERANCE
   :value: 1.2


.. py:data:: WARP_ANCHOR_THRESH_PIX
   :value: 10.0


.. py:data:: CALIB_DATA

.. py:class:: BeamModel(h5_path)

   .. py:attribute:: path


   .. py:attribute:: interpolator
      :value: None



   .. py:attribute:: loaded
      :value: False



   .. py:method:: load_data()


   .. py:method:: get_response(ra, dec, obs_time, freq_hz)


.. py:function:: parse_vlssr_text(path)

.. py:function:: load_catalog(path, name)

.. py:function:: calc_model_flux(name, freq_mhz)

.. py:function:: print_calibrator_table(img_sources, cat_data, obs_date, freq_mhz)

.. py:function:: plot_distortion_map(mag, sx, sy, nx, title, outname)

.. py:function:: generate_warp_screens(img_sources, cat_data, wcs, shape, freq_mhz, cat_freq_mhz, lwa_bmaj_deg, clip_sigma, base_name='')

.. py:function:: apply_warp(data, screen_x, screen_y)

.. py:function:: fit_primary_beam(anchors, obs_date, freq_mhz, base_name, beam_model)