VISUAL and SLOPE: perspective and quantitative representation of digital terrain models.

R.J. McGaughey; R.H. Twito

doi:10.2737/PNW-GTR-214

Treesearch

VISUAL and SLOPE: perspective and quantitative representation of digital terrain models.

Informally Refereed

Authors:

R.J. McGaughey, R.H. Twito

Year:

1988

Type:

General Technical Report

Station:

Pacific Northwest Research Station

DOI:

https://doi.org/10.2737/PNW-GTR-214

Source:

Gen. Tech. Rep. PNW-GTR-214. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 26 p

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Abstract

Two computer programs to help timber-harvest planners evaluate terrain for logging operations are presented. The first program, VISUAL, produces three-dimensional perspectives of a digital terrain model. The second, SLOPE, produces map-scaled overlays delineating areas of equal slope, aspect, or elevation. Both programs help planners familiarize themselves with new terrain and obtain a general feel for the land. Included are descriptions of operating procedures, descriptions of major algorithms, suggested applications, and limitations. Guides for the programs are available from the authors.

Keywords

Logging operations analysis/design, topography, timber harvest planning, computer programs, programing

Citation

McGaughey, R.J.; Twito, R.H. 1988. VISUAL and SLOPE: perspective and quantitative representation of digital terrain models. Gen. Tech. Rep. PNW-GTR-214. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station. 26 p