DEM Manipulation and 3-D Terrain Visualization
Techniques Used by the U.S. National Park Service
Bibliographic Data
| ID | 14701736 |
|---|---|
| Authors | Tom Patterson (0000-0003-4813-895X, U. S. National Park Service / Harpers Ferry Center / Harpers Ferry / WV / USA, corresponding author) |
| Year | 2001 |
| Volume | 38 |
| Issue | 1-2 |
| Pages | 89-101 |
| Publication date | 2001-10-01 |
| Peer Reviewed | Yes |
| Open Access | No |
| Type | ARTICLE |
| Venue | Cartographica The International Journal for Geographic Information and Geovisualization (JOURNAL) |
| Journal identifiers | ISSN: 0317-7173 • E-ISSN: 1911-9925 |
| Publisher | University of Toronto Press Inc. (UTPress) (PUBLISHER) |
| DOI | 10.3138/8741-g618-5601-1125 |
| OpenAlex | W2142824295 |
| Language | EN |
| Citations received | 7 |
| References cited | 1 |
Manipulating digital elevation model (DEM) surfaces, like pliable modelling clay, enhances the appearance and legibility of 3-D topography on maps. The U.S. National Park Service (NPS) uses the familiar image-editing tools in Adobe Photoshop to manipulate raster DEM data. Exporting modified DEM data with the help of freeware and shareware utilities allows subsequent rendering of final 3-D scenes in Corel Bryce. Techniques to be discussed include topographic substitution – a method for reverse engineering present-day landscapes into the past or projecting them into the future; selective vertical exaggeration; resolution bumping – a technique developed specifically for improving the legibility of high-mountain landscapes; painting and filtering effects; and, borrowing from the traditional masters of landform depiction, creating 3-D scenes that emulate the panoramas of Heinrich Berann and the spherical over-the-horizon views of Richard Edes Harrison by warping the projection plane of DEMS. The unique challenges of 3-D mountain mapping and the continuing pursuit of design excellence – a cornerstone of the NPS cartographic program – are overarching themes
Art · Cartography · Computer graphics (images · Computer vision · Digital elevation model · Geography · Image warping · Landform · Legibility · Raster graphics · Remote sensing · Rendering (computer graphics · Virtual reality · Visual arts · Visualization · VRML · X3D · Computer Science · Rangeland and Wildlife Management · Remote Sensing and LiDAR Applications · Species Distribution and Climate Change · Artificial Intelligence
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| Unique citing works | 7 |
|---|---|
| Citations per year | 0,39 |
| Citation span | 2008 - 2019 (12) |
| Citation velocity | historical |
| Highly cited | No |
| Citation types | Neutral: 7 |