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Publication Information

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

Author: McGaughey, R.J.; Twito, R.H.;

Date: 1988

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

Publication Series: General Technical Report (GTR)

Description: 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

Publication Notes:

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.
  • You may send email to pnw_pnwpubs@fs.fed.us to request a hard copy of this publication. (Please specify exactly which publication you are requesting and your mailing address.)

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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

 


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