export a rasterframe to slippy map tiles and view in notebook

folium-slippy.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Run scala code like this (in this context it's run in a docker container with URI pointing to exposed volume):\n",
    "\n",
    "```scala\n",
    "import astraea.spark.rasterframes.experimental.slippy.SlippyExport._\n",
    "val rf = spark.read.geotiff.loadRF(new java.net.URI(\"work/LC08_RGB_Norfolk_COG.tiff\"))\n",
    "rf.exportSlippyMap(new java.net.URI(\"file:///home/jovyan/work/slippy/\"))\n",
    "```\n",
    "\n",
    "Start up web server for chrome and point it to the host's side of the shared volume with the Docker container.\n",
    "\n",
    "http://127.0.0.1:8887/"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [],
   "source": [
    "import folium"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "data": {
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      ],
      "text/plain": [
       "<folium.folium.Map at 0x7f9e343057f0>"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "x,y = -76.49050564836661,37.0934303504753\n",
    " \n",
    "tileroot = ' http://127.0.0.1:8887/slippy/rf-tiles/'\n",
    " \n",
    "m = folium.Map(location=[y, x], zoom_start=12)\n",
    "m.add_tile_layer(tiles=tileroot + '{z}/{x}/{y}.png', attr='RasterFrames')\n",
    "folium.LayerControl().add_to(m)\n",
    "\n",
    "m"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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