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A cloud optimized GeoTIFF (COG) is a regular GeoTIFF file, aimed at being hosted on a HTTP file server, whose internal organization is friendly for consumption by clients issuing a HTTP GET range request.

2 votes
1 answer
275 views

Generate jpeg-YCbCr tiles in GeoTIFF file with JFIF format instead pure JPEG format

Currently, my app creates GeoTIFF tiled files using following options: PROFILE=GeoTIFF TILED=YES BLOCKXSIZE=xxx BLOCKYSIZE=xxx COMPRESS=JPEG PHOTOMETRIC=YCBCR JPEG_QUALITY=xx However, some apps that …
Tio Pepe's user avatar
  • 131
1 vote

Generate jpeg-YCbCr tiles in GeoTIFF file with JFIF format instead pure JPEG format

Gdal library code forces not writing JFIF-APP0 marks on any JPEG tiled image. In gdal/frmts/gtiff/libtiff/tif_jpeg.c (line 1972), changing sp->cinfo.c.write_JFIF_header = FALSE by sp->cinfo.c.write_ …
Tio Pepe's user avatar
  • 131