SIL Online Tools

DataEye is a Web-based viewer that provides access to spatial datasets developed at SIL, as well as datasets developed by other organizations and available in the public domain. DataEye-USA provides access to data covering the United States. SIL-developed layers include the geomorphons map and the map of pattern-based land cover change.


LandEx is a content-based query-by-example tool for finding locations having patterns of land cover similar to a user-selected sample. Web-based apllication of LandEx is available to search the United States utilizing the National Land Cover Dataset 2006. Read user guide before using the LandEx for the first time.

User guide


TerraEx is a content-based query-by-example tool for finding locations having landscapes (patterns of landform elements) similar to a user-selected sample. Web-based application of TerraEx is available to search the country of Poland utilizing the 30 m/cell DEM. Read user guide before using the TerraEx for the first time.

User guide


SocScape is a Web-based viewer that visualizes and provides access to high resolution gridded population and racial diversity data derived from the U.S. Censuses 2000 and 1990. Read user guide before using the SocScape for the first time.

Youtube presentation


ClimateEx is a Web-based query-by-example tool for finding places with similar climate to a selected point on the globe. ClimateEx (Climate Explorer) uses WorldClim data and similarity function based on DTW (Dynamic Time Warping).


Geomorphons App is a Web-based utility that allows users to calculate geomorphons maps from their own DEMs. The app is available online for DEMs in the GeoTiff format having size of less than 100MB and less than 1,500,000 cells.

Published on  January 5th, 2017