Was ist das Projekt Mosaik?
What is Project Mosaic?
Mosaic is an extension to the Apache Spark framework that allows easy and fast processing of very large geospatial datasets.
Mosaic provides:
-easy conversion between common spatial data encodings (WKT, WKB and GeoJSON);
-constructors to easily generate new geometries from Spark native data types;
-many of the OGC SQL standard ST_ functions implemented as Spark Expressions for transforming, aggregating and joining spatial datasets;
-high performance through implementation of Spark code generation within the core Mosaic functions;
-optimisations for performing point-in-polygon joins using an approach we co-developed with Ordnance Survey (blog post); and
-the choice of a Scala, SQL and Python API.
Mosaic is an extension to the Apache Spark framework that allows easy and fast processing of very large geospatial datasets.
Mosaic provides:
-easy conversion between common spatial data encodings (WKT, WKB and GeoJSON);
-constructors to easily generate new geometries from Spark native data types;
-many of the OGC SQL standard ST_ functions implemented as Spark Expressions for transforming, aggregating and joining spatial datasets;
-high performance through implementation of Spark code generation within the core Mosaic functions;
-optimisations for performing point-in-polygon joins using an approach we co-developed with Ordnance Survey (blog post); and
-the choice of a Scala, SQL and Python API.
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