<!DOCTYPE html> <html class="writer-html5" lang="en" > <head> <meta charset="utf-8" /><meta name="generator" content="Docutils 0.18.1: http://docutils.sourceforge.net/" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>Google Maps API — Usse 1 documentation</title> <link rel="stylesheet" href="_static/pygments.css" type="text/css" /> <link rel="stylesheet" href="_static/css/theme.css" type="text/css" /> <!--[if lt IE 9]> <script src="_static/js/html5shiv.min.js"></script> <![endif]--> <script data-url_root="./" id="documentation_options" src="_static/documentation_options.js"></script> <script src="_static/doctools.js"></script> <script src="_static/sphinx_highlight.js"></script> <script src="_static/js/theme.js"></script> <link rel="index" title="Index" href="genindex.html" /> <link rel="search" title="Search" href="search.html" /> <link rel="next" title="Open Street Maps" href="osm.html" /> <link rel="prev" title="Scraping Funda" href="funda.html" /> </head> <body class="wy-body-for-nav"> <div class="wy-grid-for-nav"> <nav data-toggle="wy-nav-shift" class="wy-nav-side"> <div class="wy-side-scroll"> <div class="wy-side-nav-search" > <a href="index.html" class="icon icon-home"> Usse </a> <div role="search"> <form id="rtd-search-form" class="wy-form" action="search.html" method="get"> <input type="text" name="q" placeholder="Search docs" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> </div> </div><div class="wy-menu wy-menu-vertical" data-spy="affix" role="navigation" aria-label="Navigation menu"> <p class="caption" role="heading"><span class="caption-text">Contents:</span></p> <ul class="current"> <li class="toctree-l1"><a class="reference internal" href="funda.html">Scraping Funda</a></li> <li class="toctree-l1 current"><a class="current reference internal" href="#">Google Maps API</a><ul> <li class="toctree-l2"><a class="reference internal" href="#using-the-google-api">Using the Google API</a></li> <li class="toctree-l2"><a class="reference internal" href="#google-ban">Google Ban</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="osm.html">Open Street Maps</a></li> </ul> </div> </div> </nav> <section data-toggle="wy-nav-shift" class="wy-nav-content-wrap"><nav class="wy-nav-top" aria-label="Mobile navigation menu" > <i data-toggle="wy-nav-top" class="fa fa-bars"></i> <a href="index.html">Usse</a> </nav> <div class="wy-nav-content"> <div class="rst-content"> <div role="navigation" aria-label="Page navigation"> <ul class="wy-breadcrumbs"> <li><a href="index.html" class="icon icon-home"></a></li> <li class="breadcrumb-item active">Google Maps API</li> <li class="wy-breadcrumbs-aside"> <a href="_sources/googlemaps.rst.txt" rel="nofollow"> View page source</a> </li> </ul> <hr/> </div> <div role="main" class="document" itemscope="itemscope" itemtype="http://schema.org/Article"> <div itemprop="articleBody"> <section id="google-maps-api"> <h1>Google Maps API<a class="headerlink" href="#google-maps-api" title="Permalink to this heading"></a></h1> <p><code class="docutils literal notranslate"><span class="pre">Google</span> <span class="pre">Maps</span></code> has a <em>free</em> api that can be used to calculate distance matrixes as well as show point on a map. In order to use this API you will need to request an API key from the <a class="reference external" href="https://cloud.google.com/">google cloud console</a>.</p> <p>This API can be used at a cost for each request, but Google gives ~200 dollars worth of request at the start of every month.</p> <section id="using-the-google-api"> <h2>Using the Google API<a class="headerlink" href="#using-the-google-api" title="Permalink to this heading"></a></h2> <p>For a quick test to see if it was possible to geolocate each house and calculate the distance. For this a simple python script was used.</p> <div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">origin_locations</span> <span class="o">=</span> <span class="p">{</span> <span class="s2">"nfi_location"</span> <span class="p">:</span> <span class="p">(</span><span class="mf">52.044867266861466</span><span class="p">,</span> <span class="mf">4.3585175985355225</span><span class="p">),</span> <span class="s2">"hoogstraat_location"</span> <span class="p">:</span> <span class="p">(</span><span class="mf">52.08725689123654</span><span class="p">,</span> <span class="mf">5.147180442716177</span><span class="p">),</span> <span class="s2">"bakkersdijk_location"</span> <span class="p">:</span> <span class="p">(</span><span class="mf">51.85802695253161</span><span class="p">,</span> <span class="mf">4.482033956202426</span><span class="p">),</span> <span class="s2">"korhoen_location"</span> <span class="p">:</span> <span class="p">(</span><span class="mf">52.5219455005375</span><span class="p">,</span> <span class="mf">5.732514040876346</span><span class="p">),</span> <span class="s2">"harde_location"</span> <span class="p">:</span> <span class="p">(</span><span class="mf">52.41650138296019</span><span class="p">,</span> <span class="mf">5.870995170999243</span><span class="p">)</span> <span class="p">}</span> <span class="k">def</span> <span class="nf">get_distances</span><span class="p">(</span><span class="n">out_dict</span><span class="p">,</span> <span class="n">destination_location</span><span class="p">):</span> <span class="k">for</span> <span class="n">key</span> <span class="ow">in</span> <span class="n">origin_locations</span><span class="p">:</span> <span class="n">distance</span> <span class="o">=</span> <span class="n">gmaps</span><span class="o">.</span><span class="n">distance_matrix</span><span class="p">(</span><span class="n">origin_locations</span><span class="p">[</span><span class="n">key</span><span class="p">],</span> <span class="n">destination_location</span><span class="p">,</span> <span class="n">mode</span> <span class="o">=</span> <span class="s1">'driving'</span><span class="p">)</span> <span class="n">out_dict</span><span class="p">[</span><span class="n">key</span><span class="p">]</span> <span class="o">=</span> <span class="n">distance</span><span class="p">[</span><span class="s1">'rows'</span><span class="p">][</span><span class="mi">0</span><span class="p">][</span><span class="s1">'elements'</span><span class="p">][</span><span class="mi">0</span><span class="p">]</span> </pre></div> </div> <p>We can do about 40.000 request for free each month. With about 1200 houses and 6 requests per house that would mean up to 7000 requests. That is enough to build a quick PoC to see if this method would work.</p> <img alt="_images/poc_houses_on_maps.png" src="_images/poc_houses_on_maps.png" /> <p>This works and a lot of houses are shown on google maps with markers.</p> </section> <section id="google-ban"> <h2>Google Ban<a class="headerlink" href="#google-ban" title="Permalink to this heading"></a></h2> <p>Another result of this action was a Ban from google. The reason for this was that I did not read the terms of use. You are allowed to do 40K requests for free every month, just not several thousand in a few minutes. Oops.</p> <img alt="_images/ban_google.png" src="_images/ban_google.png" /> <p>Because we want to do more than 40k requests and dont want to pay for these requests, the project was switched to <strong>O</strong>pen <strong>S</strong>treet <strong>M</strong>ap(OSM)</p> </section> </section> </div> </div> <footer><div class="rst-footer-buttons" role="navigation" aria-label="Footer"> <a href="funda.html" class="btn btn-neutral float-left" title="Scraping Funda" accesskey="p" rel="prev"><span class="fa fa-arrow-circle-left" aria-hidden="true"></span> Previous</a> <a href="osm.html" class="btn btn-neutral float-right" title="Open Street Maps" accesskey="n" rel="next">Next <span class="fa fa-arrow-circle-right" aria-hidden="true"></span></a> </div> <hr/> <div role="contentinfo"> <p>© Copyright 2023, Eljakim.</p> </div> Built with <a href="https://www.sphinx-doc.org/">Sphinx</a> using a <a href="https://github.com/readthedocs/sphinx_rtd_theme">theme</a> provided by <a href="https://readthedocs.org">Read the Docs</a>. </footer> </div> </div> </section> </div> <script> jQuery(function () { SphinxRtdTheme.Navigation.enable(true); }); </script> </body> </html>