[Geopackage] Query on gpkg_tile_matrix - matrix_width and matrix_height

Brad Hards bradh at frogmouth.net
Wed Jun 3 05:58:28 EDT 2015


On Wed, 3 Jun 2015 11:55:20 AM Even Rouault wrote:
> I'm noticying strange colours (greenish and pinkish) in
> 2015_05_05_Whitehorse_3857.gpkg whereas they looked OK in the original
> ERDC_Whitehorse_GeoPackage.gpkg . Not sure if this is intended or not. It
> seems that the JPEG tiles in the updated package use the uncommon colorspace
> CMYK. I've extracted such a tile and displayed it with various readers and
> I still have the same strange colours
Maybe there should be tighter definition on what we mean by JPEG.

Interestingly the link in footnote 18 for JFIF is 404.

Brad


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