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Said TurkseverandClaude Fable 5.1
547b706f67
Street Level is imagery only from here on: coverage, sequences and the embedded viewer. The Claude planner, map-feature and traffic-sign tiles, the NDJSON feature stream, sprites, detection outlines and analyst records go, along with @anthropic-ai/sdk, zod and the Anthropic key entry. Co-Authored-By: Claude Fable 5.1 <[email protected]>
45 lines
1.6 KiB
JavaScript
45 lines
1.6 KiB
JavaScript
import path from 'node:path';
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/** Mapillary vector tile root; the path template is /{layer}/2/{z}/{x}/{y}. */
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export const MAPILLARY_TILE_HOST = 'https://tiles.mapillary.com/maps/vtp';
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/** Public tile layer names this proxy exposes, mapped to Mapillary's ids. */
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export const TILE_LAYERS = Object.freeze({
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// Overview points (z0–5), sequences (z6–14) and image points (z14 only).
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// The z14 `image` point layer is ~98% of a 10 MB tile and unused here:
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// image positions come from the graph API per sequence. Dropped in transit.
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coverage: Object.freeze({
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upstream: 'mly1_public',
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minZoom: 0,
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maxZoom: 14,
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dropLayers: Object.freeze(['image']),
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}),
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});
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/** Disk cache root, alongside the other providers' caches. */
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export const MAPILLARY_CACHE_DIR = path.join(
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process.cwd(),
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'.gev-cache',
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'mapillary',
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);
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export const TILE_DISK_DIR = path.join(MAPILLARY_CACHE_DIR, 'tiles');
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/**
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* Tiles change when new imagery is processed, which is far slower than the
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* 15-minute upstream Cache-Control. A day keeps a session over one city from
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* re-downloading its tiles on every camera move.
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*/
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export const TILE_DISK_TTL_MS = 24 * 60 * 60 * 1000;
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/** A z14 image tile over a dense city is ~11 MB; anything past this is wrong. */
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export const TILE_MAX_BYTES = 48 * 1024 * 1024;
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/** In-memory tile cache budget (bytes) and upstream fetch timeout. */
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export const TILE_MEMORY_BUDGET_BYTES = 96 * 1024 * 1024;
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export const TILE_FETCH_TIMEOUT_MS = 60_000;
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/** The client token lives in the browser by design; the server adds it to tile URLs too. */
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export function mapillaryToken() {
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return String(process.env.MAPILLARY_CLIENT_TOKEN || '').trim();
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}
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