Stereoplotter
Sign in to savethumb|right|350px|Alpha 2000 analytical stereoplotter. thumb|right|350px|Kelsh projection stereoplotter.
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- Restitutore analogico
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Encyclopedic overview
6 sectionsContents
- Analogical
- Analytical
- Examples of Analytical Stereoplotters
- Future outlook
- See also
- References
thumb|right|350px|Alpha 2000 analytical stereoplotter. thumb|right|350px|Kelsh projection stereoplotter.
A stereoplotter uses stereo photographs to determine elevations. It has been the primary method to plot contour lines on topographic maps since the 1930s. Although the specific devices have advanced technologically, they are all based on the apparent change in position of a feature in the two stereo photographs.
Excerpted from Wikipedia’s “Stereoplotter” article, available under the CC BY-SA 4.0 licence.