{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Optical Spectrograph Data Example"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "%matplotlib inline\n",
    "from osirisl1services.readlevel1 import open_level1_spectrograph\n",
    "from osirisl1services.services import Level1Services\n",
    "import matplotlib.pyplot as plt\n",
    "from matplotlib.colors import LogNorm\n",
    "\n",
    "FIG_SIZE = (15, 6)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Load the Spectrograph data for orbit 6432, scan 12"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "spectrograph = open_level1_spectrograph(scanno=6432012)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### The data and added variables are returned as xarray Datasets"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(spectrograph)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### The corresponding pointing, position, tangent point, and sza info can be accessed through the 'l1' xarray accessor"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "print(spectrograph.l1.look_ecef)\n",
    "print(spectrograph.l1.position_ecef)\n",
    "print(spectrograph.l1.altitude)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Plot the data"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "spectrograph.data.plot(x='pixel', y='mjd', norm=LogNorm(), vmin=1e10, vmax=1e14, figsize=FIG_SIZE)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### Load the Spectrograph data for orbit 6432, scan 12 *with the RSAS correction*"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "spect_rsas = open_level1_spectrograph(scanno=6432012, apply_rsas=True)"
   ]
  }
 ],
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