воскресенье, 14 октября 2018 г.

Google's BigQuery Brings GIS Into The Petascale Era


Perhaps the greatest challenge confronting today’s “big data” era lies not the acquisition of data, but rather how companies can uncover insights from the chaos of petabytes. Today’s companies have assembled breathtakingly large archives of incredibly rich data but struggle to perform more than basic analyses at scale. This is especially true when it comes to reasoning in terms of the more complex dimensions like time and space. As the world’s data is increasingly geospatially enriched and as companies increasingly need to understand their data in terms of its physical location, we need tools that can query, analyze and reason about immense geospatial data at population scale. Enter Google’s new BigQuery GIS.
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вторник, 2 октября 2018 г.

Converting a Drawings Coordinate System

For one reason or another drawings sometimes need to be moved from one coordinate system (datum) to another.  A classic example may be moving from a NAD 27 datum to a NAD 83.  Whatever the case may be, how might one perform this translation as accurately as possible?
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понедельник, 1 октября 2018 г.