"A geographic data processing engine for high performance applications.
GeoTrellis provides data types for working with rasters in the Scala
language, as well as fast reading and writing of these data types to
disk.
GeoTrellis provides a number of operations to manipulate raster data,
including cropping/warping, Map Algebra operations, and rendering
operations, as well as vector to raster operations such as Kernel
Density and vectorization of raster data.
GeoTrellis includes a set of utilities to help developers create useful,
high performing web services that load and manipulate raster data.
GeoTrellis can help build web applications that work with raster data.
It provides a set of functionality to aid the translation of queries
into GeoTrellis operations, that load raster data, operate on your data,
and render the results of those operations in a format useful to return
to the client.
GeoTrellis can also be used to do fast batch processing of large raster
data. Currently GeoTrellis uses Akka clustering to distribute data
across a cluster; in the next version of GeoTrellis, we will be running
on the Spark system."
http://geotrellis.io/
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