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fix(tiler): Ensure rendered tiles does not exceed bounds #1036

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merged 2 commits into from
Aug 11, 2020
Merged

fix(tiler): Ensure rendered tiles does not exceed bounds #1036

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fix(tiler): Ensure rendered tiles does not exceed bounds
Aug 11, 2020
c7706e6
Merge branch 'master' into fix/tiler/clamp-tiles-to-bounds
kodiakhq[bot] Aug 11, 2020
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10 changes: 5 additions & 5 deletions packages/tiler/src/tiler.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -140,11 +140,11 @@ export class Tiler {
// Determine the pixels that are needed from the source tiff to render the XYZ Tile
const requiredTifPixels = rasterBounds.intersection.subtract(rasterBounds.tiff);

const { tileSize } = img;
const startX = Math.floor((requiredTifPixels.x / tileSize.width) * pixelScale);
const endX = Math.ceil((requiredTifPixels.right / tileSize.width) * pixelScale);
const startY = Math.floor((requiredTifPixels.y / tileSize.height) * pixelScale);
const endY = Math.ceil((requiredTifPixels.bottom / tileSize.height) * pixelScale);
const { tileSize, tileCount } = img;
const startX = Math.max(Math.floor((requiredTifPixels.x / tileSize.width) * pixelScale), 0);
const endX = Math.min(Math.ceil((requiredTifPixels.right / tileSize.width) * pixelScale), tileCount.x);
const startY = Math.max(Math.floor((requiredTifPixels.y / tileSize.height) * pixelScale), 0);
const endY = Math.min(Math.ceil((requiredTifPixels.bottom / tileSize.height) * pixelScale), tileCount.y);

const composites = [];
const pixelScaleInv = 1 / pixelScale;
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