Data Converters/Translators/Viewers

Must Have

MICRODEM can call a number of external programs

FOSS Geomorphometery  (especially GRASS, QGIS, SAGA)

Somewhat useful

Online Sentinel 2 cloud free image:

DXF LAS and LIDAR Processing and Point Cloud Visualizing GeoPDF KML converters Mobile Mapping

Entries below have not been systematically checked recently; use judiciously after checking date of last activity. OpenDroneMap is a tool to postprocess drone, balloon, kite, and street view data to geographic data including orthophotos, point clouds, & textured mesh.


Geomorphic Change Dectection, GCD:  ArcGIS plugin, or Windows program with no display options.

Topcat decimation:  uses ASCII XYZ files

PySESA: Python program for Spatially Explicit Spectral Analysis  uses ASCII input files list of conversion software, with formats

TopoToolbox for Matlab:

Side scan sonar data analysis

NGA Office of Geomatics

GMT--Generic Mapping Tools:

Grid converter

GeoMapApp: (can export in Fledermaus format).  GeoMapApp is an earth science exploration and visualization application that is continually being expanded as part of the Marine Geoscience Data System (MGDS) at the Lamont-Doherty Earth Observatory of Columbia University.

Image processing:


Color Palettes

Coordinate Conversion


OGC WKT Projection files and Projection Codes

GPSies the leading platform and community for GPS recorded tracks and is used by thousands of outdoor enthusiasts around the world.

3D worlds

Map analyst, accuracy of old maps. 



Geocode addresses


These need to be verified:

Google maps/Google Earth

Web Mapping

Interesting mapping pages on the web 

Stitch photos, make point clouds

Radar processing:

Small body mapping tool for moons, comets, asteroids: 

DXF files:  Nasty format, not completely GIS-compatible; avoid if at all possible.  We have not tried it recently (think years, if not decades).

IP address lookups


last revised 11/22/2021