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Use self-hosted tiles

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This commit is contained in:
Andras Schmelczer 2026-02-03 21:44:49 +00:00
parent 1cee9c38ce
commit 69de6d75af
6 changed files with 342 additions and 21 deletions
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8
frontend/src/lib/map-utils.ts
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@ -1,7 +1,8 @@
import type { ViewState, Bounds } from '../types';
export const MAP_STYLE_LIGHT = 'https://basemaps.cartocdn.com/gl/voyager-gl-style/style.json';
export const MAP_STYLE_DARK = 'https://basemaps.cartocdn.com/gl/dark-matter-gl-style/style.json';
// Self-hosted tile styles from server
export const MAP_STYLE_LIGHT = '/api/tiles/style.json?theme=light';
export const MAP_STYLE_DARK = '/api/tiles/style.json?theme=dark';
export const GRADIENT: { t: number; color: [number, number, number] }[] = [
{ t: 0, color: [46, 204, 113] },
@ -54,6 +55,9 @@ export function countToColor(t: number): [number, number, number] {
return DENSITY_GRADIENT[DENSITY_GRADIENT.length - 1].color;
}
/** Zoom threshold at which we switch from hexagons to postcode polygons */
export const POSTCODE_ZOOM_THRESHOLD = 15;
export function zoomToResolution(zoom: number): number {
if (zoom < 6) return 5;
if (zoom < 7) return 6;