{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# EAZY-py\n",
    "\n",
    "After appropriately loading in the catalogue, it would be fantastic if we also had some properties for each source. The most basic quantity we can measure is the photometric redshift."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Reading GALFIND config file from: /nvme/scratch/work/austind/GALFIND/galfind/../configs/galfind_config.ini\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "WARNING:galfind:Aperture corrections for VISTA not found in /nvme/scratch/work/austind/GALFIND/galfind/Aperture_corrections/VISTA_aper_corr.txt\n",
      "WARNING:galfind:Aperture corrections for VISTA not found in /nvme/scratch/work/austind/GALFIND/galfind/Aperture_corrections/VISTA_aper_corr.txt\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Failed to `import dust_attenuation`\n",
      "Install from the repo with $ pip install git+https://github.com/karllark/dust_attenuation.git\n"
     ]
    }
   ],
   "source": [
    "import astropy.units as u\n",
    "from galfind import Catalogue_Creator, Data, EAZY\n",
    "from galfind.Data import morgan_version_to_dir"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "INFO:galfind:Loaded aper_diams=<Quantity [0.32] arcsec> for F277W+F356W+F444W\n",
      "INFO:galfind:Combined mask for NIRCam/F277W+F356W+F444W already exists at /raid/scratch/work/austind/GALFIND_WORK/Masks/JOF/combined/JOF_F277W+F356W+F444W_auto.fits\n",
      "WARNING: hdu= was not specified but multiple tables are present, reading in first available table (hdu=1) [astropy.io.fits.connect]\n",
      "WARNING:astroquery:hdu= was not specified but multiple tables are present, reading in first available table (hdu=1)\n",
      "WARNING:galfind:Aperture correction columns already in /raid/scratch/work/austind/GALFIND_WORK/Catalogues/v11/NIRCam/JOF/(0.32)as/JOF_MASTER_Sel-F277W+F356W+F444W_v11.fits\n",
      "Calculating depths:   0%|          | 0/15 [00:00<?, ?it/s]\n",
      "INFO:galfind:Calculated/loaded depths for JOF v11 NIRCam\n",
      "INFO:galfind:Local depth columns already exist in /raid/scratch/work/austind/GALFIND_WORK/Catalogues/v11/NIRCam/JOF/(0.32)as/JOF_MASTER_Sel-F277W+F356W+F444W_v11.fits\n"
     ]
    }
   ],
   "source": [
    "# Load in a JOF data object\n",
    "survey = \"JOF\"\n",
    "version = \"v11\"\n",
    "instrument_names = [\"NIRCam\"]\n",
    "aper_diams = [0.32] * u.arcsec\n",
    "forced_phot_band = [\"F277W\", \"F356W\", \"F444W\"]\n",
    "min_flux_pc_err = 10.\n",
    "\n",
    "JOF_data = Data.pipeline(\n",
    "    survey, \n",
    "    version, \n",
    "    instrument_names = instrument_names, \n",
    "    version_to_dir_dict = morgan_version_to_dir,\n",
    "    aper_diams = aper_diams,\n",
    "    forced_phot_band = forced_phot_band,\n",
    "    min_flux_pc_err = min_flux_pc_err\n",
    ")"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "INFO:galfind:Loaded 'has_data_mask' from /raid/scratch/work/austind/GALFIND_WORK/Masks/JOF/has_data_mask/JOF_MASTER_Sel-F277W+F356W+F444W_v11.h5\n",
      "INFO:galfind:Making JOF v11 JOF_MASTER_Sel-F277W+F356W+F444W_v11 catalogue!\n",
      "WARNING:galfind:cat_aper_diams not in kwargs.keys()=dict_keys(['ZP', 'min_flux_pc_err'])! Setting to aper_diams=<Quantity [0.32] arcsec>\n",
      "WARNING:galfind:cat_aper_diams not in kwargs.keys()=dict_keys(['ZP', 'min_flux_pc_err'])! Setting to aper_diams=<Quantity [0.32] arcsec>\n",
      "WARNING:galfind:cat_aper_diams not in kwargs.keys()=dict_keys([])! Setting to aper_diams=<Quantity [0.32] arcsec>\n",
      "WARNING:galfind:cat_type = cat_type='selection' not in ['ID', 'sky_coord', 'phot', 'mask', 'depths'] and not a valid HDU extension in /raid/scratch/work/austind/GALFIND_WORK/Catalogues/v11/NIRCam/JOF/(0.32)as/JOF_MASTER_Sel-F277W+F356W+F444W_v11.fits!\n",
      "WARNING:galfind:selection tab is None!\n",
      "INFO:galfind:Made /raid/scratch/work/austind/GALFIND_WORK/Catalogues/v11/NIRCam/JOF/(0.32)as/JOF_MASTER_Sel-F277W+F356W+F444W_v11.fits catalogue!\n",
      "INFO:galfind:Making .in file for EAZY_fsps_larson_zfree SED fitting for JOF v11 NIRCam\n",
      "INFO:galfind:Made .in file for EAZY_fsps_larson_zfree SED fitting for JOF v11 NIRCam. \n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Running SED fitting took 0.1s\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "INFO:galfind:Loading EAZY_fsps_larson property PDFs into JOF v11 NIRCam\n"
     ]
    },
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Loading properties and associated errors took 1.1s\n"
     ]
    },
    {
     "name": "stderr",
     "output_type": "stream",
     "text": [
      "Constructing redshift PDFs: 100%|██████████| 16335/16335 [00:00<00:00, 32911.93it/s]\n",
      "INFO:galfind:Finished loading EAZY_fsps_larson property PDFs into JOF v11 NIRCam\n",
      "INFO:galfind:Loading EAZY_fsps_larson SEDs into JOF v11 NIRCam\n",
      "Constructing SEDs: 100%|██████████| 16335/16335 [00:01<00:00, 12447.91it/s]\n",
      "INFO:galfind:Finished loading EAZY_fsps_larson SEDs into JOF v11 NIRCam\n"
     ]
    }
   ],
   "source": [
    "cat_path = JOF_data.phot_cat_path\n",
    "filterset = JOF_data.filterset\n",
    "# [0.32] * u.arcsec hardcoded for now\n",
    "cat_creator = Catalogue_Creator(survey, version, cat_path, filterset, aper_diams)\n",
    "cat = cat_creator()\n",
    "\n",
    "SED_fit_params = {\"templates\": \"fsps_larson\", \"lowz_zmax\": None}\n",
    "EAZY_fitter = EAZY(SED_fit_params)\n",
    "EAZY_SED_results_arr = EAZY_fitter(cat, aper_diams[0])"
   ]
  }
 ],
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