GeoSparkViz is a large-scale geospatial map visualization framework. GeoSparkViz extends a cluster computing system (Apache Spark in our case) to provide native support for general cartographic design. The proposed system seamlessly integrates with a Spark-based spatial data management system, GeoSpark. It provides the data scientist a holistic system that allows her to perform data management and visualization on spatial data and reduces the overhead of loading the intermediate spatial data generated during the data management phase to the designated map visualization tool. GeoSparkViz also proposes a map tile data partitioning method that achieves load balancing for the map visualization workloads among all nodes in the cluster. Extensive experiments show that GeoSparkViz can generate a high-resolution (i.e., Gigapixel image) Heatmap of 1.7 billion OpenStreetMaps objects and 1.3 billion NYC taxi trips in ≈4 and 5 minutes on a four-node commodity cluster, respectively.

Jia Yu
Jia Yu

Jia Yu is a co-founder of Wherobots Inc. and leads its engineering team. Jia is the creator of Apache Sedona and was a Tenure-Track Assistant Professor of Computer Science at Washington State University from 2020 - 2023. Jia’s research interests include database systems, distributed data systems and geospatial data management.