settings_image
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settings_image [2022/03/28 19:31] yves [Image settings] |
settings_image [2023/11/22 16:44] (current) chris |
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| ===== Image settings ===== | ===== Image settings ===== | ||
| - | In the image settings section image compression and tile related values can be configured. | + | In the Image Settings section, image compression and tile related values can be configured. |
| - | {{::settings_img_menu.png?200|}} | + | {{ :settings_img_menu.png?200 |}} |
| ==== Image settings ==== | ==== Image settings ==== | ||
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| ^ Field ^ Description ^ | ^ Field ^ Description ^ | ||
| - | | Tile size | The size of each side of the served tiles in pixels. A value of 400 indicates that resulting tiles will be 400 x 400 pixels in size | | + | | Tile size | The size of each side of the served tiles in pixels. A value of 400 indicates that the resulting tiles will be 400 x 400 pixels in size | |
| | Image format | The image format for all the served images (tiles, thumbnails, snapshots etc.). This can be JPEG ([[https://en.wikipedia.org/wiki/Lossy_compression|lossy compression]]) or PNG ([[https://en.wikipedia.org/wiki/Lossless_compression|lossless compression]]) | | | Image format | The image format for all the served images (tiles, thumbnails, snapshots etc.). This can be JPEG ([[https://en.wikipedia.org/wiki/Lossy_compression|lossy compression]]) or PNG ([[https://en.wikipedia.org/wiki/Lossless_compression|lossless compression]]) | | ||
| | Tile quality | A value in the 1 to 100 range. This number defines the image quality for lossy compression schemes. Default value is 100 (equal to 100% quality). The parameter does //not// apply when the image format is set to PNG. [[impact_of_tile_quality_on_data_traffic|See what impact this has on data traffic]]. | | | Tile quality | A value in the 1 to 100 range. This number defines the image quality for lossy compression schemes. Default value is 100 (equal to 100% quality). The parameter does //not// apply when the image format is set to PNG. [[impact_of_tile_quality_on_data_traffic|See what impact this has on data traffic]]. | | ||
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| {{:settings_img_cache.png?400|}} | {{:settings_img_cache.png?400|}} | ||
| - | ^ Field ^ Description ^ | + | In the cache settings section the cache strategy of the system can be defined. |
| - | | Use cache | ... | | + | |
| - | | Cache path | ... | | + | |
| - | | Retention days | ... | | + | |
| - | | Disk free space required for caching | | + | |
| - | | Tile cache | ... | | + | |
| - | | Cloud storage cache | ... | | + | |
| - | | Drive size | ... | | + | |
| - | | Total cache size | ... | | + | |
| - | Other menu options: | + | The learn more about what kind of data is cached in general, see [[caching|this page]]. |
| - | * Empty cache older than retention days: ... | + | ^ Field ^ Description ^ |
| - | * Empty cache for orphan slides: ... | + | | Use cache | Indicates whether or not the system caches requested tiles. By default, caching is turned off. | |
| - | * Empty all cache: ... | + | | Cache path | The directory where cache files are stored. This is a web application relative path | |
| + | | Retention days | The number of days after which a cache file is automatically erased by the system | | ||
| + | | Tile cache | Indication of current space consumption of cached tiles | | ||
| + | | S3 cache | Indication of current space consumption of cached chunks of slides that reside on S3 storage | | ||
| + | | Total cache size | Accumulated cache space consumption | | ||
| + | |||
| + | === Operations === | ||
| + | |||
| + | ^ Operation ^ Description ^ | ||
| + | | Empty cache older than retention days | Erase cache files that haven't been consulted recently | | ||
| + | | Empty cache for orphan slides | Erases cache files for slides that do not exist anymore | | ||
| + | | Empty all cache | Erases all cache files | | ||
| + | | Save | Saves the cache settings | | ||
| Don't forget to press the "Save" button before navigating away from this page. | Don't forget to press the "Save" button before navigating away from this page. | ||
| ==== Barcode settings ==== | ==== Barcode settings ==== | ||
| + | Settings about barcode recognition by PMA.core. This is an algorithm converting barcode images to text | ||
| {{:settings_img_barcode.png?400|}} | {{:settings_img_barcode.png?400|}} | ||
| + | |||
| + | ^ Field ^ Description ^ | ||
| + | | Try harder to read barcode texts | Allow for more time consuming algorithms to read the barcodes. This can slow the system down but provide more accurate results | | ||
| + | | Disable barcode scanning | Disable barcode scanning completely for speed. You can disable this safely if you don't want the barcodes to be read in text | | ||
| + | |||
settings_image.1648485073.txt.gz · Last modified: 2022/03/28 19:31 by yves
