GRASS module r.out.leaflet, r.out.png.proj and other tools related to the export of GRASS data to the form which can be used by a Leaflet web page, i.e. easily imported used from JavaScript code.

• work for computational region as well as for map extent
• document Python functions
• create manual pages
• describe output structure
• generate manuals and publish them using GitHub pages
• better error handling (return codes of modules should be checked)
• solve the overwrite behavior (according to directory structure)
• use map titles for large maps (perhaps in separate module)
• apply region extent only to maps same or bigger than region (use map extent for small maps)
• apply map resolution when computational region's is too fine for map (may cause problems for Leaflet)
• separate option of resolution (must be same for ns ew)
• crop thumbnail?
• export (and import/external?) of QGIS project file including the data files (GeoTIFF, ...)
• extract functions for switching the location (consider usage of with statement)

Vaclav Petras, wenzeslaus gmail com, NCSU OSGeoREL

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