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Assessing Vertical Accuracy of Digital Elevation Models
For numerous industries, and especially the flood hazard modelling Intermap specializes in, accurate digital elevation models (DEMs) are indispensable. And one of the most important aspects of a DEM is its vertical accuracy. Vertical accuracy of...
Understanding Vertical Datums
Denver, where Intermap is headquartered, is known as the mile-high city. Most people assume this altitude refers to the height above mean sea level. After all, where else would you measure your heights from? But this far inland, how does one relate...
Shopping for Digital Elevation Models
Digital elevation models (DEMs) are useful planning tools for a variety of industries, including telecommunications, energy, insurance, and construction. And, with the many global imaging companies on the market, there have never been more choices...

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