go back to old tile creation

This commit is contained in:
HF 2022-06-25 16:43:49 +02:00
parent d18882e3ae
commit 28be86718d

View File

@ -259,7 +259,7 @@ export async function createZoomTileFromChunk(
const [x, y] = cell;
const maxTiledZoom = getMaxTiledZoom(canvasSize);
const tileRGBBuffer = new Uint8Array(
TILE_SIZE * TILE_SIZE * 3,
TILE_SIZE * TILE_SIZE * TILE_ZOOM_LEVEL * TILE_ZOOM_LEVEL * 3,
);
const startTime = Date.now();
@ -285,9 +285,8 @@ export async function createZoomTileFromChunk(
na.push([dx, dy]);
continue;
}
addShrunkenIndexedSubtilesToTile(
addIndexedSubtiletoTile(
palette,
TILE_SIZE,
TILE_ZOOM_LEVEL,
[dx, dy],
chunk,
@ -298,18 +297,19 @@ export async function createZoomTileFromChunk(
if (na.length !== TILE_ZOOM_LEVEL * TILE_ZOOM_LEVEL) {
na.forEach((element) => {
deleteSubtilefromTile(TILE_SIZE / TILE_ZOOM_LEVEL, palette, TILE_ZOOM_LEVEL, element, tileRGBBuffer);
deleteSubtilefromTile(TILE_SIZE, palette, TILE_ZOOM_LEVEL, element, tileRGBBuffer);
});
const filename = tileFileName(canvasTileFolder, [maxTiledZoom - 1, x, y]);
try {
await sharp(Buffer.from(tileRGBBuffer.buffer), {
raw: {
width: TILE_SIZE,
height: TILE_SIZE,
width: TILE_SIZE * TILE_ZOOM_LEVEL,
height: TILE_SIZE * TILE_ZOOM_LEVEL,
channels: 3,
},
})
.resize(TILE_SIZE)
.png({ options: { compressionLevel: 6 } })
.toFile(filename);
} catch (error) {