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nudata

Balancing The Colors Of TP Downloaded Tiles ?

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At some point there was mentioned creating a method for adjusting the color balance of tiles/photos that TileProxy downloads. A considerable part of the coverage is too green. It would be nice to have a utility function that would allow wholesale changes to red, green, and blue levels. Perhaps a representative screen composed of several tiles (800x600) could be used to make the adjustment and then in a batch process the three adjusted values applied to all the tiles. The question is how do you define "all the tiles". Some cached tiled areas may be quite ok while others need changes? This might be solved by having more that one cache per server. As an example you may initially use a "disposable content" cache in an area. At some time during the flight the quality is not sufficient so you abandon that area by deleting the "disposable cache". If the area does look good then you could move the collected stuff to a named specific area cache for permanent storage and color adjustment. As the development of TileProxy moves on other utilities may be developed to manage the data sets generated by our flights.Regards,Dick BoleyA PC, an LCD, speakers, CH yoke

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This color adjustment would have to be specific by zoom level though, not just by service. Often the satellite image source switches from one zoom level to another, requiring different color adjustment settings.the cache.service folders cache the original content from the service and would be unaffected by any color adjustments.The contents of the Tileproxy Photoreal World folder would have to be flushed to make room for tiles with different color adjustments. There is metadata attached to each tile. If I store the color adjustment data that was applied to the tile, I can reject the tile if it was created with a different color adjustment.Hence you would never have to manually erase any data for trying out some different color settings and you would keep most of your existing cache data.

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