mirror of
https://github.com/protomaps/PMTiles.git
synced 2026-02-04 10:51:07 +00:00
add Vite-based app for example TypeScript application
This commit is contained in:
Brandon Liu
192
app/public/examples/inspector.html
Normal file
192
app/public/examples/inspector.html
Normal file
@@ -0,0 +1,192 @@
|
||||
<html>
|
||||
<head>
|
||||
</head>
|
||||
<head>
|
||||
<meta charset="utf-8" />
|
||||
<meta name="viewport" content="width=device-width, initial-scale=1">
|
||||
<script src="https://d3js.org/d3.v7.min.js"></script>
|
||||
<link rel="stylesheet" href="https://unpkg.com/tachyons@4.12.0/css/tachyons.min.css"/>
|
||||
<script src="https://unpkg.com/pmtiles@1.0.0/dist/index.js"></script>
|
||||
<!-- <script src="../js/dist/index.js"></script> -->
|
||||
<title>PMTiles inspector</title>
|
||||
</head>
|
||||
<body class="sans-serif v-scroll bg-dark-gray flex">
|
||||
<div class="w-50 vh-100 bg-light-gray pa4 flex flex-column">
|
||||
<div class="f4 w-100 dn" id="inputPanel" ondrop="dropHandler(event);" ondragover="dragOverHandler(event);">
|
||||
<div class=" f4 fw5 dark-gray b--dark-gray ba4 b--dotted bw1 pa3">Drag and drop a local PMTiles file here...</div>
|
||||
<!-- <div class="pv3">
|
||||
<div class="flex">
|
||||
<input placeholder="PMTiles file url (not yet implemented)" class="flex-grow-1 f6"/>
|
||||
<button class="ml3 link bg-white dim ba pointer">Inspect</button>
|
||||
</div>
|
||||
</div>
|
||||
--> </div>
|
||||
<div class="fw5 f6 mt2">spec version: <span id="spec_version">?</span></div>
|
||||
<div class="fw5 f6 mt2">metadata length: <span id="metadata_length">?</span></div>
|
||||
<div id="metadata" class="f6"></div>
|
||||
<div class="overflow-y-scroll flex-grow-1 f6 mt2">
|
||||
<table class="w-100">
|
||||
<thead class="tl">
|
||||
<tr>
|
||||
<th>z</th>
|
||||
<th>x</th>
|
||||
<th>y</th>
|
||||
<th>offset</th>
|
||||
<th>length</th>
|
||||
<th>dir</th>
|
||||
</tr>
|
||||
</thead>
|
||||
<tbody id="root_entries">
|
||||
</tbody>
|
||||
</table>
|
||||
</div>
|
||||
<div class="f6 mt2"><span id="root_entries_count">?</span> root entries</div>
|
||||
</div>
|
||||
<div class="w-50 flex items-center justify-center">
|
||||
<div>
|
||||
<div id="preview_label" class="white mb2"></div>
|
||||
<div id="preview"></div>
|
||||
</div>
|
||||
</div>
|
||||
<div id="tooltip" class="absolute pa1 bg-black white f6 dn">
|
||||
</div>
|
||||
</body>
|
||||
<script type="module">
|
||||
window.dragOverHandler = (ev) => {
|
||||
ev.preventDefault();
|
||||
}
|
||||
|
||||
let smartCompare = (a,b) => {
|
||||
if (a.name === "earth") return -4
|
||||
if (a.name === "water") return -3
|
||||
if (a.name === "natural") return -2
|
||||
if (a.name === "landuse") return -1
|
||||
if (a.name === "places") return 1
|
||||
return 0
|
||||
|
||||
}
|
||||
|
||||
import {VectorTile} from "https://cdn.skypack.dev/@mapbox/vector-tile";
|
||||
import Protobuf from "https://cdn.skypack.dev/pbf";
|
||||
import {schemeSet3} from "https://cdn.skypack.dev/d3-scale-chromatic@3";
|
||||
import pako from "https://cdn.skypack.dev/pako";
|
||||
d3.select("#inputPanel").classed("dn",false);
|
||||
|
||||
let loadEntry = async (file,format,compression,row) => {
|
||||
var blob = file.slice(row.offset,row.offset+row.length);
|
||||
var imageUrl = window.URL.createObjectURL(blob);
|
||||
d3.select("#preview_label").text(`${row.z} ${row.x} ${row.y}`);
|
||||
d3.select("#preview").selectAll("*").remove();
|
||||
if (format === "pbf") {
|
||||
var a = await blob.arrayBuffer();
|
||||
if (compression === "gzip") {
|
||||
a = pako.inflate(a);
|
||||
}
|
||||
let tile = new VectorTile(new Protobuf(a));
|
||||
let data = [];
|
||||
for (let [name,layer] of Object.entries(tile.layers)) {
|
||||
let features = [];
|
||||
for (var i = 0; i < layer.length; i++) {
|
||||
let feature = layer.feature(i);
|
||||
let path = d3.path();
|
||||
let geom = feature.loadGeometry();
|
||||
|
||||
if (feature.type === 1) {
|
||||
for (let ring of geom) {
|
||||
for (let pt of ring) {
|
||||
path.arc(pt.x,pt.y,20,0, 2*Math.PI);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
for (let ring of geom) {
|
||||
path.moveTo(ring[0].x,ring[0].y);
|
||||
for (var j = 1; j < ring.length; j++) {
|
||||
path.lineTo(ring[j].x,ring[j].y);
|
||||
}
|
||||
path.closePath();
|
||||
}
|
||||
}
|
||||
features.push({path:path.toString(),type:feature.type,properties:feature.properties,id:feature.id})
|
||||
}
|
||||
data.push({name:name,features:features})
|
||||
}
|
||||
|
||||
data.sort(smartCompare);
|
||||
|
||||
let svg = d3.select("#preview").append("svg").attr("viewBox","0 0 4096 4096").attr("width",600).attr("height",600);
|
||||
let layers = svg.selectAll("g").data(data).enter().append("g").attr("color",(d,i) => { return schemeSet3[i % 12]});
|
||||
let features = layers.selectAll("path").data(d => d.features).enter().append("path")
|
||||
|
||||
features.attr("d",d => d.path)
|
||||
.attr("stroke",d => { return d.type === 2 ? "currentColor" : "" })
|
||||
.attr("stroke-width",d => { return d.type === 2 ? 10 : undefined })
|
||||
.attr("fill",d => { return d.type === 2 ? "none" : "currentColor" })
|
||||
.attr("fill-opacity",d => { d.type === 3 ? 1 : 0.5 })
|
||||
.attr("stroke-opacity",0.5);
|
||||
|
||||
features.on("mouseover", function(ev,d) {
|
||||
d3.select(this).attr("color","white");
|
||||
let tooltip = d3.select("#tooltip")
|
||||
let rows = Object.entries(d.properties).map(a => `${a[0]}: ${a[1]}`);
|
||||
rows.unshift(d3.select(this.parentNode).datum().name);
|
||||
tooltip.classed("dn",false).selectAll("div")
|
||||
.data(rows).enter().append("div")
|
||||
.text(d => d);
|
||||
})
|
||||
features.on("mousemove", function(ev) {
|
||||
let tooltip = d3.select("#tooltip")
|
||||
.style("top",(ev.pageY+5) +"px")
|
||||
.style("left",(ev.pageX+5) +"px")
|
||||
})
|
||||
|
||||
features.on("mouseout", function(ev,d,i) {
|
||||
d3.select(this).attr("color","currentColor");
|
||||
let tooltip = d3.select("#tooltip")
|
||||
tooltip.classed("dn",true)
|
||||
.selectAll("div").remove();
|
||||
})
|
||||
} else {
|
||||
d3.select("#preview").append("img").attr("src",imageUrl);
|
||||
}
|
||||
}
|
||||
|
||||
window.dropHandler = ev => {
|
||||
ev.preventDefault();
|
||||
var data = ev.dataTransfer.items;
|
||||
var file = data[0].getAsFile();
|
||||
var blob = file.slice(0,512000);
|
||||
|
||||
let truncated = (str) => {
|
||||
if (str.length < 80) return str;
|
||||
return str.slice(0,80) + "..."
|
||||
}
|
||||
|
||||
blob.arrayBuffer().then(a => {
|
||||
var header = pmtiles.parseHeader(new DataView(a,0,10));
|
||||
let dec = new TextDecoder("utf-8")
|
||||
let metadata = JSON.parse(dec.decode(new DataView(a,10,header.json_size)));
|
||||
d3.select("#spec_version").text(header.version);
|
||||
d3.select("#metadata_length").text(header.json_size);
|
||||
d3.select("#root_entries_count").text(header.root_entries);
|
||||
d3.select("#metadata").selectAll("div")
|
||||
.data(Object.entries(metadata).map(a => `${a[0]}: ${a[1]}`))
|
||||
.enter().append("div").text(d => truncated(d));
|
||||
var entries_view = new DataView(a,10+header.json_size,17*header.root_entries);
|
||||
let entries = [];
|
||||
for (var i = 0; i < entries_view.byteLength/17; i++) {
|
||||
entries.push(pmtiles.parseEntry(entries_view,i));
|
||||
}
|
||||
let row = d3.select("#root_entries").selectAll("tr").data(entries).enter().append("tr")
|
||||
.attr("class","f6 pv1 dim pointer").on("click", (ev,d) => { loadEntry(file, metadata.format, metadata.compression, d); });
|
||||
row.selectAll("td").data(d => [d.z,d.x,d.y,d.offset,d.length,d.is_dir]).enter().append("td").text(d => { return d } );
|
||||
})
|
||||
}
|
||||
|
||||
// const queryString = window.location.search;
|
||||
// const urlParams = new URLSearchParams(queryString);
|
||||
// const loadUrl = urlParams.get("url");
|
||||
// if (loadUrl) {
|
||||
// console.log("load url", loadUrl);
|
||||
// }
|
||||
</script>
|
||||
</html>
|
||||
Reference in New Issue
Block a user