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Docs: clarify skipBlanks default for tile-based output

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Lovell Fuller 2024-02-13 22:40:10 +00:00
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2 changed files with 2 additions and 2 deletions
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docs/api-output.md
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@ -763,7 +763,7 @@ The prebuilt binaries do not include this - see
| [options.angle] | <code>number</code> | <code>0</code> | tile angle of rotation, must be a multiple of 90. | | [options.angle] | <code>number</code> | <code>0</code> | tile angle of rotation, must be a multiple of 90. |
| [options.background] | <code>string</code> \| <code>Object</code> | <code>&quot;{r: 255, g: 255, b: 255, alpha: 1}&quot;</code> | background colour, parsed by the [color](https://www.npmjs.org/package/color) module, defaults to white without transparency. | | [options.background] | <code>string</code> \| <code>Object</code> | <code>&quot;{r: 255, g: 255, b: 255, alpha: 1}&quot;</code> | background colour, parsed by the [color](https://www.npmjs.org/package/color) module, defaults to white without transparency. |
| [options.depth] | <code>string</code> | | how deep to make the pyramid, possible values are `onepixel`, `onetile` or `one`, default based on layout. | | [options.depth] | <code>string</code> | | how deep to make the pyramid, possible values are `onepixel`, `onetile` or `one`, default based on layout. |
| [options.skipBlanks] | <code>number</code> | <code>-1</code> | threshold to skip tile generation, a value 0 - 255 for 8-bit images or 0 - 65535 for 16-bit images | | [options.skipBlanks] | <code>number</code> | <code>-1</code> | Threshold to skip tile generation. Range is 0-255 for 8-bit images, 0-65535 for 16-bit images. Default is 5 for `google` layout, -1 (no skip) otherwise. |
| [options.container] | <code>string</code> | <code>&quot;&#x27;fs&#x27;&quot;</code> | tile container, with value `fs` (filesystem) or `zip` (compressed file). | | [options.container] | <code>string</code> | <code>&quot;&#x27;fs&#x27;&quot;</code> | tile container, with value `fs` (filesystem) or `zip` (compressed file). |
| [options.layout] | <code>string</code> | <code>&quot;&#x27;dz&#x27;&quot;</code> | filesystem layout, possible values are `dz`, `iiif`, `iiif3`, `zoomify` or `google`. | | [options.layout] | <code>string</code> | <code>&quot;&#x27;dz&#x27;&quot;</code> | filesystem layout, possible values are `dz`, `iiif`, `iiif3`, `zoomify` or `google`. |
| [options.centre] | <code>boolean</code> | <code>false</code> | centre image in tile. | | [options.centre] | <code>boolean</code> | <code>false</code> | centre image in tile. |

2
lib/output.js
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@ -1233,7 +1233,7 @@ function raw (options) {
* @param {number} [options.angle=0] tile angle of rotation, must be a multiple of 90. * @param {number} [options.angle=0] tile angle of rotation, must be a multiple of 90.
* @param {string|Object} [options.background={r: 255, g: 255, b: 255, alpha: 1}] - background colour, parsed by the [color](https://www.npmjs.org/package/color) module, defaults to white without transparency. * @param {string|Object} [options.background={r: 255, g: 255, b: 255, alpha: 1}] - background colour, parsed by the [color](https://www.npmjs.org/package/color) module, defaults to white without transparency.
* @param {string} [options.depth] how deep to make the pyramid, possible values are `onepixel`, `onetile` or `one`, default based on layout. * @param {string} [options.depth] how deep to make the pyramid, possible values are `onepixel`, `onetile` or `one`, default based on layout.
* @param {number} [options.skipBlanks=-1] threshold to skip tile generation, a value 0 - 255 for 8-bit images or 0 - 65535 for 16-bit images * @param {number} [options.skipBlanks=-1] Threshold to skip tile generation. Range is 0-255 for 8-bit images, 0-65535 for 16-bit images. Default is 5 for `google` layout, -1 (no skip) otherwise.
* @param {string} [options.container='fs'] tile container, with value `fs` (filesystem) or `zip` (compressed file). * @param {string} [options.container='fs'] tile container, with value `fs` (filesystem) or `zip` (compressed file).
* @param {string} [options.layout='dz'] filesystem layout, possible values are `dz`, `iiif`, `iiif3`, `zoomify` or `google`. * @param {string} [options.layout='dz'] filesystem layout, possible values are `dz`, `iiif`, `iiif3`, `zoomify` or `google`.
* @param {boolean} [options.centre=false] centre image in tile. * @param {boolean} [options.centre=false] centre image in tile.