One of my users called me the other day asking if there was any way to convert our DTM surface into a DEM surface, as a client had called them asking if it was possible. The short answer to the question was yes, but let me review the fundamental differences in these formats before getting [...]
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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? To answer that I turn to good [...]
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