Tag: geodata

New Spatial Aggregation Tutorial for GIS Tools for Hadoop

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The Big Data team is excited to offer a new tutorial on spatial aggregation (sometimes called spatial binning). Spatial aggregation is extremely useful in summarizing big data to gain a meaningful snapshot of patterns in your data. Spatial aggregation works … Continue reading

Posted in Geodata | Tagged , , , , , , | 3 Comments

Big Data ST_Geometry Queries up to 20X Faster in Hive

The Big Data development team at Esri is excited to announce a major performance speedup in ST_Geometry for Hive, which is part of Esri’s open-source Spatial Framework for Hadoop.  The amount of performance gain depends on the type of spatial query run and on the size of the table in Hive.  The biggest gain comes with relational operations such as ST_Contains and ST_Overlaps.  In general, the performance gain will be greater with larger tables — exactly where it helps the most.

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Posted in Geodata | Tagged , , , , , , | 1 Comment

Hydrographic Special Interest Group sets sail at the Esri UC

Global Chart Viewer

More than 50 users from organizations ranging from the International Hydrographic Bureau (secretariat of the International Hydrographic Organization), NOAA Office of Coast Survey, Danish Geodata Agency (GST), and the Yangtze River Waterways Authority and several other users from the maritime … Continue reading

Posted in Community Maps, Hydro, National Government, Oceans & Maritime, Petroleum, State Government | Tagged , , , , , , , , , , , , , , , , | Leave a comment