{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Plot a section"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "execution": {
     "iopub.execute_input": "2025-01-13T11:31:45.792199Z",
     "iopub.status.busy": "2025-01-13T11:31:45.791700Z",
     "iopub.status.idle": "2025-01-13T11:31:46.310044Z",
     "shell.execute_reply": "2025-01-13T11:31:46.309496Z"
    }
   },
   "outputs": [],
   "source": [
    "%matplotlib inline\n",
    "# for figures in notebook\n",
    "\n",
    "# import & initialize epygram\n",
    "import epygram\n",
    "epygram.init_env()\n",
    "\n",
    "# path to file\n",
    "import os\n",
    "INPUTS_DIR = os.path.join('..', 'inputs')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "execution": {
     "iopub.execute_input": "2025-01-13T11:31:46.312432Z",
     "iopub.status.busy": "2025-01-13T11:31:46.312191Z",
     "iopub.status.idle": "2025-01-13T11:31:46.452988Z",
     "shell.execute_reply": "2025-01-13T11:31:46.452437Z"
    }
   },
   "outputs": [],
   "source": [
    "r = epygram.resources.meta_resource(os.path.join(INPUTS_DIR, 'ICMSHAROM+0022'),\n",
    "                                    'r', 'CL')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "execution": {
     "iopub.execute_input": "2025-01-13T11:31:46.455236Z",
     "iopub.status.busy": "2025-01-13T11:31:46.455066Z",
     "iopub.status.idle": "2025-01-13T11:31:49.038661Z",
     "shell.execute_reply": "2025-01-13T11:31:49.038167Z"
    }
   },
   "outputs": [],
   "source": [
    "# CL implies GRIB2 nomenclature of fields\n",
    "f = r.readfield({'discipline':0, 'parameterCategory':0, 'parameterNumber':0,  # temperature\n",
    "                 'typeOfFirstFixedSurface':119})  # on model levels\n",
    "f.sp2gp()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "execution": {
     "iopub.execute_input": "2025-01-13T11:31:49.040794Z",
     "iopub.status.busy": "2025-01-13T11:31:49.040589Z",
     "iopub.status.idle": "2025-01-13T11:31:49.062689Z",
     "shell.execute_reply": "2025-01-13T11:31:49.062345Z"
    }
   },
   "outputs": [],
   "source": [
    "s = f.extractsection((8,45), (8,46), interpolation='linear')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "execution": {
     "iopub.execute_input": "2025-01-13T11:31:49.064455Z",
     "iopub.status.busy": "2025-01-13T11:31:49.064187Z",
     "iopub.status.idle": "2025-01-13T11:31:49.312017Z",
     "shell.execute_reply": "2025-01-13T11:31:49.311617Z"
    }
   },
   "outputs": [],
   "source": [
    "fig, ax = s.plotfield(title='Temperature on meridian 8°E', x_is='lat')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
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  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
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   "pygments_lexer": "ipython3",
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