feat: rasterTile support extent

.changeset/thick-wombats-lie.md

@@ -0,0 +1,6 @@
+---
+'@antv/l7-source': major
+'@antv/l7-core': major
+---
+
+rasterTile support extent

packages/core/src/services/source/ISourceService.ts

@@ -38,6 +38,7 @@ export interface ITileParserCFG {
     cb: (err: any, data: any) => void,
   ) => void;
   extent?: [number, number, number, number];
+  coordinates?: [[number, number], [number, number], [number, number], [number, number]];
   requestParameters: Partial<RequestParameters>;
   updateStrategy?: 'overlap' | 'replace';
   // 指定 feature 编码 id

packages/source/src/parser/raster-tile.ts

@@ -4,6 +4,7 @@ import type { ITileBand, SourceTile, TileLoadParams, TilesetManagerOptions } fro
 import type { IParserData } from '../interface';
 import { getCustomData, getCustomImageData } from '../utils/tile/getCustomData';
 import { defaultFormat, getTileBuffer, getTileImage } from '../utils/tile/getRasterTile';
+import { extentToCoord } from '../utils/util';
 
 const DEFAULT_CONFIG: Partial<TilesetManagerOptions> = {
   tileSize: 256,
@@ -37,6 +38,9 @@ export default function rasterTile(
   if (isUrlError(data)) {
     throw new Error('tile server url is error');
   }
+
+  const { extent = [Infinity, Infinity, -Infinity, -Infinity], coordinates } = cfg;
+
   let tileDataType: RasterTileType = cfg?.dataType || RasterTileType.IMAGE;
   // Tip: RasterTileType.RGB 是彩色多通道的数据纹理，同样走数据纹理的请求
   if (tileDataType === RasterTileType.RGB) {
@@ -69,11 +73,18 @@ export default function rasterTile(
         return getTileImage(data as string | string[], tileParams, tile, cfg);
     }
   };
+
   const tilesetOptions = { ...DEFAULT_CONFIG, ...cfg, getTileData };
+  const rasterTileCoord = extentToCoord(coordinates, extent);
 
   return {
     data,
-    dataArray: [],
+    dataArray: [
+      {
+        _id: 1,
+        coordinates: rasterTileCoord,
+      },
+    ],
     tilesetOptions,
     isTile: true,
   };