Questions tagged [geotrellis]

GeoTrellis is a geographic data processing engine for high performance applications.

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Getting elevation value of point from TIFF Image in GeoTrellis

val path: String = "data/imgn19w065_13_geotiff.tif" val geoTiff: SinglebandGeoTiff = GeoTiffReader.readSingleband(path) val point : Point = Point.apply( -64.858043,18.332479); How I can read the ...
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Use LatLng Double to query GeoTiff in geotrellis (scala)

I am currently trying to read bigtiffs into geotrellis in Scala to read single band terrain geotiffs. I can load them successfully, and query data/access CRS and extent info by val tiffPath: String =...
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A Distributed Cost-Distance Algorithm

I'm currently trying to implement a distributed cost-distance algorithm, however I can't seem to invent my own and still make it fast. I've been googling around a bit but haven't found anything that ...
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285 views

Compressions to support when Implementing GeoTiff Reader?

I'm writing a GeoTiff reader for GeoTrellis for Google Summer of Code. I have read in all tags and geokeys and now I'm working with the decoding process. Currently the Tiff 6.0 spec recommends that ...