Decodes one DEM pixel's RGB to meters. terrarium (Mapzen/AWS): (r*256 + g + b/256) − 32768. mapbox (terrain-rgb): −10000 + (r*65536 + g*256 + b) * 0.1.
terrarium
(r*256 + g + b/256) − 32768
mapbox
−10000 + (r*65536 + g*256 + b) * 0.1
Decodes one DEM pixel's RGB to meters.
terrarium(Mapzen/AWS):(r*256 + g + b/256) − 32768.mapbox(terrain-rgb):−10000 + (r*65536 + g*256 + b) * 0.1.