Comment Period Open for GeoPackage Specification Draft

The Open Geospatial Consortium (OGC) has published a draft GeoPackage specification for comment. The GeoPackage specification attempts to create a non-proprietary means for packaging and exchanging all geospatial data in all its forms (vector, raster, and tiles). A couple of things that jump out at me:

  • It calls out SQLite as the reference implementation of a GeoPackage container
  • It calls out SpatiaLite 4 as the reference implementation of a vector feature store
  • It does not call out a reference implementation for rasters or tiles
  • It does not mention exchange of cartography.


Although the draft references the MBTiles specification and uses it as an example of a pure SQL method of storing tiles, it does not call out MBTiles as the chosen storage approach nor does it mention MBTiles as a reference implementation. The draft should not be read as “SpatiaLite + MBTiles.”

I think, in 2013, anything that attempts to do what GeoPackage sets out to do should have some provision for cartography. I would prefer CSS-like approach (such as CartoCSS) and will say so when I submit comments but I would suspect that future discussion of cartography, if any, will probably start with SLD. For now, tiles can fill the gap.

So comments are open, give it a look and tell OGC what you think.

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