Mapping Digital Distance Models (DDMs)

dc.contributor.advisorEyton, J. Ronald
dc.contributor.authorBuehner, Brian David
dc.description.abstractA published algorithm for producing a new data set called a Digital Distance Model (DDM) extracted from Digital Elevation Models (DEMs) is used in this research. A DDM is a data set consisting of horizontal distance values extracted from the vertical height values in a DEM. A DDM map provides the user with a visual that displays the topographic data as horizontal values with a ground level viewing perspective. Typical mapping media used to display DEMs, such as contouring, classed color, and stereograms, can also be used to map DDMs. This research involves the analysis of three mapping formats, black and white mapping, color mapping, and three-dimensional mapping that were applied to DD Ms. A fourth category of mapping is used to compare DDM maps of varying scales and resolutions.
dc.description.departmentGeography and Environmental Studies
dc.format.extent78 pages
dc.format.medium1 file (.pdf)
dc.identifier.citationBuehner, B. D. (2006). Mapping digital distance models (DDMs) (Unpublished thesis). Texas State University-San Marcos, San Marcos, Texas.
dc.subjectdigital mapping
dc.subjecttopographic maps
dc.titleMapping Digital Distance Models (DDMs)
dc.typeThesis State University-San Marcos of Science


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