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Additional documentation on the nodata property

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This commit is contained in:
Tim Schaub
2021-10-01 13:48:35 -06:00
parent ba444117bb
commit 9d709cb3d9
1 changed files with 4 additions and 2 deletions
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6
src/ol/source/GeoTIFF.js
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@@ -25,8 +25,10 @@ import {fromCode as unitsFromCode} from '../proj/Units.js';
* the configured min and max.
* @property {number} [max] The maximum source data value. Rendered values are scaled from 0 to 1 based on
* the configured min and max.
* @property {number} [nodata] Values to discard. When provided, an additional band (alpha) will be added
* to the data.
* @property {number} [nodata] Values to discard (overriding any nodata values in the metadata).
* When provided, an additional alpha band will be added to the data. Often the GeoTIFF metadata
* will include information about nodata values, so you should only need to set this property if
* you find that it is not already extracted from the metadata.
* @property {Array<number>} [bands] Band numbers to be read from (where the first band is `1`). If not provided, all bands will
* be read. For example, if a GeoTIFF has blue (1), green (2), red (3), and near-infrared (4) bands, and you only need the
* near-infrared band, configure `bands: [4]`.