Rasdaman ("raster data manager") is an array / datacube storage and query engine.

Rasdaman engine uses embedded SQLite for managing its array metadata. By default it writes out array data files to the local filesystem. It can optionally write arrays as BLOB data to PostgreSQL, but this feature is deprecated.

Data Model

Array / Matrix

Query Interface


The DBMS uses proprietary extensions to SQL called the Rasdaman Query Language (rasql). It supports supports retrieval, manipulation, and data definition for multi-dimensional arrays.

Storage Format


System Architecture


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