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Test of an Electronic Planimeter

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Abstract:

Six trained interpreters measured 16 figures of different sizes and shapes with a dot grid, polar planimeter, and graphics calculator. No significant differences in relative error values were detected. Measurement times were greater with the dot grid than with the other two instruments, and greater with the polar planimeter than with the graphics calculator. If manpower or time is limited or numerous figures must be measured, the graphics calculator may be economically superior to the other instruments.

Document Type: Journal Article

Affiliations: Professor of Forest Resources, College of Forestry, Wildlife and Range Sciences, University of Idaho, Moscow

Publication date: June 1, 1978

More about this publication?
  • The Journal of Forestry is the most widely circulated scholarly forestry journal in the world. In print since 1902, the Journal has received several national awards for excellence. The mission of the Journal of Forestry is to advance the profession of forestry by keeping forest management professionals informed about significant developments and ideas in the many facets of forestry: economics, education and communication, entomology and pathology, fire, forest ecology, geospatial technologies, history, international forestry, measurements, policy, recreation, silviculture, social sciences, soils and hydrology, urban and community forestry, utilization and engineering, and wildlife management. The Journal is published bimonthly: January, March, May, July, September, and November.
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