Formulas for extracting compositional information with OGC WCPS queries, for hyperspectral data ingested on PlanetServer/EarthServer http://earthserver.eu, http://planetserver.eu
for c in (frt00007032_07_if187l)
return
encode (c [((0.147 - 0.105) - (0.147 + 0.105)) * ((0.147 - 0.2067) - (0.147 + 0.2067)) ], “png”);
for c in (frt00007032_07_if187l)
return
encode (c [((band_a - band_b) - (band_a + band_b)) * ((band_a - band_c) - (band_a + band_c)) ], “png”);
Summary products and spectral parameters in WCPS
being populated, format of files and structure of library subject to change
Viviano-Beck, C. E., et al. (2014), Revised CRISM spectral parameters and summary products based on the currently detected mineral diversity on Mars, J. Geophys. Res. Planets, 119, 1403–1431, doi:10.1002/2014JE004627 pdf