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Feature: offline basemaps: first working version (without ability to install basemaps from the UI)

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This commit is contained in:
Pieter Vander Vennet 2025-07-30 00:21:30 +02:00
parent 4c858fbe7e
commit 2cd0b11448
13 changed files with 494 additions and 178 deletions
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59
src/UI/Test.svelte
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@ -1,63 +1,4 @@
<script lang="ts">
import { PMTiles } from "pmtiles"
// What piece of the map to download and cache locally for the current map view?
const gentBBox = {
"type": "Feature",
"properties": {},
"geometry": {
"coordinates": [
[
[
3.6911333519349228,
51.069673467969096
],
[
3.6911333519349228,
51.02886180987505
],
[
3.773873676856965,
51.02886180987505
],
[
3.773873676856965,
51.069673467969096
],
[
3.6911333519349228,
51.069673467969096
]
]
],
"type": "Polygon"
}
}
// URL or fetch source of the PMTiles archive
let source = new PMTiles("https://cache.mapcomplete.org/planet-latest.pmtiles")
async function test(z: number, x: number, y: number) {
const meta = await source.getMetadata()
console.log(meta)
const minzoom = meta["minzoom"]
const maxzoom = meta["maxzoom"]
console.log("Range is", minzoom, maxzoom)
for (const l of meta["vector_layers"]) {
// console.log(l)
}
// const header = await source.getHeader()
// console.log(header)
let resp = await source.getZxy(z, x, y)
console.log(resp)
// let tileData = resp?.data
// do something with tileData
}
test(14, 8338, 5469) // Elf-julistraat Brugge
test(15, 12233, 10534)
</script>
Nothing to test