GRASS Metadata Management

Metadata support

Raster

• r.support (r.support history="long text" now functional, it does line wrapping)
• Metadata support in GRASS raster library notes

Vector

• 'head' file format
• TODO: tool to edit this head file needed using v.support. (Reference: http://lists.osgeo.org/pipermail/grass-user/2007-February/038378.html)

Comments on a vector map can be added manually by editing $MAPSET/vector/$MAPNAME/hist.

Metadata management ideas for future versions of GRASS

Unified XML-based approach for raster/vector/imagery

• store relevant metadata in an XML-based format, along with creation/modification history
• a new directory '$maspset/metadata/' could house this information
• would probably require major re-write of the raster/vector history mechanism
• generic reading/writing of XML data (don't we already have this functionality somewhere...)

Links

• DT Metadata – Draft Implementing Rules for Metadata
• http://wiki.osgeo.org/wiki/Metadata and http://wiki.osgeo.org/wiki/Metadata_software (software list)
• http://www.gsdi.org/gsdicookbookindex.php
• http://inspire.jrc.ec.europa.eu/reports/ImplementingRules/metadata/MD_IR_and_ISO_20090218.pdf
• https://www.ngdc.noaa.gov/wiki/index.php?title=ISO_Metadata_Standard