mirror of
https://github.com/protomaps/PMTiles.git
synced 2026-02-04 19:01:08 +00:00
96 lines
4.4 KiB
HTML
96 lines
4.4 KiB
HTML
<html>
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<head>
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</head>
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<head>
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<meta charset="utf-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<script src="https://d3js.org/d3.v7.min.js"></script>
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<link rel="stylesheet" href="https://unpkg.com/tachyons@4.12.0/css/tachyons.min.css"/>
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<script src="https://unpkg.com/pmtiles@latest/index.js"></script>
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<!-- <script src="../js/index.js"></script> -->
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<title>PMTiles inspector</title>
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</head>
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<body class="sans-serif v-scroll bg-dark-gray flex">
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<div class="w-50 vh-100 bg-light-gray pa4 flex flex-column">
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<div class="f4 w-100" ondrop="dropHandler(event);" ondragover="dragOverHandler(event);">
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<div class=" f4 fw5 dark-gray b--dark-gray ba4 b--dotted bw1 pa3">Drag and drop a local PMTiles file here...</div>
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<div class="pv3">
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<div class="flex">
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<input placeholder="PMTiles file url (not yet implemented)" class="flex-grow-1 f6"/>
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<button class="ml3 link bg-white dim ba pointer">Inspect</button>
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</div>
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</div>
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</div>
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<div class="fw5 f6 mt2">spec version: <span id="spec_version">?</span></div>
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<div class="fw5 f6 mt2">metadata length: <span id="metadata_length">?</span></div>
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<div id="metadata" class="f6"></div>
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<div class="overflow-y-scroll flex-grow-1 f6 mt2">
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<table class="w-100">
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<thead class="tl">
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<tr>
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<th>z</th>
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<th>x</th>
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<th>y</th>
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<th>offset</th>
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<th>length</th>
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<th>dir</th>
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</tr>
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</thead>
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<tbody id="root_entries">
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</tbody>
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</table>
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</div>
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<div class="f6 mt2"><span id="root_entries_count">?</span> root entries</div>
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</div>
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<div class="w-50 flex items-center justify-center">
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<div>
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<div id="preview_label" class="white mb2"></div>
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<img id="preview"></img>
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</div>
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</div>
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</body>
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<script>
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function loadEntry(file,row) {
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var blob = file.slice(row[3],row[3]+row[4]);
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var imageUrl = window.URL.createObjectURL(blob);
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d3.select("#preview_label").text(`${row[0]} ${row[1]} ${row[2]}`);
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let preview = d3.select("#preview").attr("src",imageUrl);
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}
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function dropHandler(ev) {
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ev.preventDefault();
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var data = ev.dataTransfer.items;
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var file = data[0].getAsFile();
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var blob = file.slice(0,512000);
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blob.arrayBuffer().then(a => {
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var header = pmtiles.parseHeader(new DataView(a,0,10));
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let dec = new TextDecoder("utf-8")
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let metadata = JSON.parse(dec.decode(new DataView(a,10,header.json_size)));
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d3.select("#spec_version").text(header.version);
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d3.select("#metadata_length").text(header.json_size);
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d3.select("#root_entries_count").text(header.root_entries);
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d3.select("#metadata").selectAll("div")
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.data(Object.entries(metadata).map(a => `${a[0]}: ${a[1]}`))
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.enter().append("div").text(d => d);
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var entries_view = new DataView(a,10+header.json_size,17*header.root_entries);
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let entries = []
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for (var i = 0; i < entries_view.byteLength; i+=17) {
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entries.push(pmtiles.parseEntry(entries_view,i));
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}
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let row = d3.select("#root_entries").selectAll("tr").data(entries).enter().append("tr")
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.attr("class","f6 pv1 dim pointer").on("click", (ev,d) => { loadEntry(file, d); });
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row.selectAll("td").data(d => d).enter().append("td").text(d => d);
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})
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}
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function dragOverHandler(ev) {
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ev.preventDefault();
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}
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// const queryString = window.location.search;
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// const urlParams = new URLSearchParams(queryString);
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// const loadUrl = urlParams.get("url");
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// if (loadUrl) {
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// console.log("load url", loadUrl);
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// }
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</script>
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</html> |