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flywire edited this page Jul 6, 2015 · 10 revisions

GeoTiff2RMP

A simple command-line converter from GeoTiff raster format with WGS84 projection to RMP fromat used by Magellan Triton/Explorist GPS units.

Code was based on RMPCreator project https://github.com/antalos/RMPCreator, but got a few important improvements.

Dependencies:

  1. python2.7
  2. gdal binaries
  3. pillow (python-pil)
  4. rasterio (optional, https://github.com/mapbox/rasterio)
  5. python-gdal (optional)

Restrictions:

input map should be in WGS84 projection only tested on linux (other OS untested) license is unclear, due to no license file in RMPCreator project - ask [email protected] for licence

Example usage:

Convert map to WGS84 projection:

  • gdalwarp -t_srs WGS84 -tr 0.00014 0.000077 -overwrite Arbalet-MO_All_300DPI.map arbalet_wgs84.tiff
  • The correct command is gdaltransform. I don't know the syntax.
  • best to break up large maps and make into individual rmp maps or combine into single rmp map.

Run GeoTiff2RMP:

  • ./geotiff2rmp.py -o arbalet.rmp arbalet_wgs84.tiff

Unpack the map, change cvg_map.msf and cprt_txt.txt then repack file.

Upload map to your Magellan unit and mark it to display

Questions

Q. How to uppack Map file?

Q. More Help

  • Contact Author here.
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