Testing of data provided by the Second Pipeline Construction Co. of China National Petroleum Corp. (PetroChina Pipeline) shows that using a 3D pipeline spatial-data model (PSDM) not only can further ...
Back in the mid-1980s, when I established the U.S. Navy’s first GIS, we used mapping software from a company called National Planning Data Corporation (NPDC). In the process, I had several interesting ...
Location data is critical to nearly all state and local government work — whether it’s responding to a public safety call, supporting community planning and development, or maintaining critical ...
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