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visgl / loaders.gl / 25070233425

28 Apr 2026 06:20PM UTC coverage: 59.434% (+0.01%) from 59.423%
25070233425

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github

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website: Add tabs for navigating between format docs (#3407)

11310 of 20887 branches covered (54.15%)

Branch coverage included in aggregate %.

89 of 136 new or added lines in 13 files covered. (65.44%)

1742 existing lines in 132 files now uncovered.

23500 of 37682 relevant lines covered (62.36%)

16296.63 hits per line

Source File
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100.0
/modules/deck-layers/src/image-source-layer/utils.ts
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// loaders.gl
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// SPDX-License-Identifier: MIT
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// Copyright (c) vis.gl contributors
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import {lngLatToWorld} from '@math.gl/web-mercator';
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const HALF_EARTH_CIRCUMFERENCE = 6378137 * Math.PI;
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/** Projects EPSG:4326 coordinates to EPSG:3857 meters. */
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export function projectWGS84ToPseudoMercator(coord: [number, number]): [number, number] {
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  const mercator = lngLatToWorld(coord);
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  mercator[0] = (mercator[0] / 256 - 1) * HALF_EARTH_CIRCUMFERENCE;
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  mercator[1] = (mercator[1] / 256 - 1) * HALF_EARTH_CIRCUMFERENCE;
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  return mercator;
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}
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