{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import xml.etree.ElementTree as ET\n",
    "\n",
    "filename = '../raw/Kustfundament_Barro_2011/Kustfundament_def_versie_Barro_1juni2011.shp'\n",
    "destination = '../cached/kustfundament.kml'\n",
    "formatted = '../processed/kustfundament.kml'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "INFO: Open of `../raw/Kustfundament_Barro_2011/Kustfundament_def_versie_Barro_1juni2011.shp'\r\n",
      "      using driver `ESRI Shapefile' successful.\r\n",
      "\r\n",
      "Layer name: Kustfundament_def_versie_Barro_1juni2011\r\n",
      "Metadata:\r\n",
      "  DBF_DATE_LAST_UPDATE=2011-06-15\r\n",
      "Geometry: Polygon\r\n",
      "Feature Count: 1\r\n",
      "Extent: (-122.440156, 376135.439226) - (244113.074501, 629945.679293)\r\n",
      "Layer SRS WKT:\r\n",
      "PROJCS[\"RD_New\",\r\n",
      "    GEOGCS[\"GCS_Amersfoort\",\r\n",
      "        DATUM[\"Amersfoort\",\r\n",
      "            SPHEROID[\"Bessel_1841\",6377397.155,299.1528128]],\r\n",
      "        PRIMEM[\"Greenwich\",0.0],\r\n",
      "        UNIT[\"Degree\",0.0174532925199433]],\r\n",
      "    PROJECTION[\"Oblique_Stereographic\"],\r\n",
      "    PARAMETER[\"False_Easting\",155000.0],\r\n",
      "    PARAMETER[\"False_Northing\",463000.0],\r\n",
      "    PARAMETER[\"Central_Meridian\",5.38763888888889],\r\n",
      "    PARAMETER[\"Scale_Factor\",0.9999079],\r\n",
      "    PARAMETER[\"Latitude_Of_Origin\",52.15616055555555],\r\n",
      "    UNIT[\"Meter\",1.0]]\r\n",
      "Id: Integer (6.0)\r\n"
     ]
    }
   ],
   "source": [
    "# print some details about the file\n",
    "!ogrinfo -so $filename Kustfundament_def_versie_Barro_1juni2011"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "# convert to KML\n",
    "!ogr2ogr -f KML $destination $filename "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "# create new style with some transparency\n",
    "style = \"\"\"\n",
    "<Style id=\"style\" xmlns=\"http://www.opengis.net/kml/2.2\">\n",
    "    <LineStyle>\n",
    "        <color>cc6493af</color>\n",
    "        <width>2</width>\n",
    "    </LineStyle>\n",
    "        <PolyStyle>\n",
    "        <color>806493af</color>\n",
    "    </PolyStyle>\n",
    "</Style>\n",
    "\"\"\"\n",
    "\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<ns0:Style xmlns:ns0=\"http://www.opengis.net/kml/2.2\"><ns0:LineStyle><ns0:color>ff0000ff</ns0:color></ns0:LineStyle><ns0:PolyStyle><ns0:fill>0</ns0:fill></ns0:PolyStyle></ns0:Style>\n",
      "\t\n"
     ]
    }
   ],
   "source": [
    "# lookup old style\n",
    "tree = ET.parse(destination)\n",
    "root = tree.getroot()\n",
    "placemark = root.find('.//{http://www.opengis.net/kml/2.2}Placemark')\n",
    "style_el = placemark.find('{http://www.opengis.net/kml/2.2}Style')\n",
    "# current style, will be replaced\n",
    "ET.dump(style_el)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "# replace the style element with our style\n",
    "new_style_el = ET.fromstring(style)\n",
    "# remove old style\n",
    "placemark.remove(style_el)\n",
    "# insert new\n",
    "placemark.insert(0, new_style_el)\n",
    "# save file\n",
    "tree.write(formatted)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": []
  }
 ],
 "metadata": {
  "hide_input": false,
  "kernelspec": {
   "display_name": "Python 3",
   "language": "python",
   "name": "python3"
  },
  "language_info": {
   "codemirror_mode": {
    "name": "ipython",
    "version": 3
   },
   "file_extension": ".py",
   "mimetype": "text/x-python",
   "name": "python",
   "nbconvert_exporter": "python",
   "pygments_lexer": "ipython3",
   "version": "3.5.3"
  }
 },
 "nbformat": 4,
 "nbformat_minor": 2
}