go back to old tile creation
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d18882e3ae
commit
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@ -259,7 +259,7 @@ export async function createZoomTileFromChunk(
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const [x, y] = cell;
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const maxTiledZoom = getMaxTiledZoom(canvasSize);
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const tileRGBBuffer = new Uint8Array(
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TILE_SIZE * TILE_SIZE * 3,
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TILE_SIZE * TILE_SIZE * TILE_ZOOM_LEVEL * TILE_ZOOM_LEVEL * 3,
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);
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const startTime = Date.now();
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@ -285,9 +285,8 @@ export async function createZoomTileFromChunk(
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na.push([dx, dy]);
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continue;
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}
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addShrunkenIndexedSubtilesToTile(
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addIndexedSubtiletoTile(
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palette,
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TILE_SIZE,
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TILE_ZOOM_LEVEL,
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[dx, dy],
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chunk,
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@ -298,18 +297,19 @@ export async function createZoomTileFromChunk(
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if (na.length !== TILE_ZOOM_LEVEL * TILE_ZOOM_LEVEL) {
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na.forEach((element) => {
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deleteSubtilefromTile(TILE_SIZE / TILE_ZOOM_LEVEL, palette, TILE_ZOOM_LEVEL, element, tileRGBBuffer);
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deleteSubtilefromTile(TILE_SIZE, palette, TILE_ZOOM_LEVEL, element, tileRGBBuffer);
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});
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const filename = tileFileName(canvasTileFolder, [maxTiledZoom - 1, x, y]);
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try {
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await sharp(Buffer.from(tileRGBBuffer.buffer), {
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raw: {
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width: TILE_SIZE,
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height: TILE_SIZE,
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width: TILE_SIZE * TILE_ZOOM_LEVEL,
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height: TILE_SIZE * TILE_ZOOM_LEVEL,
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channels: 3,
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},
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})
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.resize(TILE_SIZE)
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.png({ options: { compressionLevel: 6 } })
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.toFile(filename);
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} catch (error) {
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