GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW) | ||||||
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11:09 Aug 14, 2010 |
Romanian to English translations [PRO] Tech/Engineering - Surveying | |||||||
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| Selected response from: George C. Luxembourg Local time: 06:35 | ||||||
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Summary of answers provided | ||||
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4 +4 | orthophoto map interpretation and digitization |
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Summary of reference entries provided | |||
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digitize, convert to digital format |
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orthophoto map interpretation and digitization Explanation: eventual interpretation and digital representation of orthophoto maps Digitizing is central to making a digital representations of geographical features, using raster or vector images, in a geographic information system, i.e., the creation of electronic maps, either from various geographical and satellite imaging (raster) or by digitizing traditional paper maps (vector). http://en.wikipedia.org/wiki/Digitize v. şi http://www.infogouv.ca/agriculture/index.php3?number=75218&l... http://online.wr.usgs.gov/ngpo/doq/doq_basics.html Orthophoto Map Production The detailed scanned images of the aerial photography were used to create digital orthophotos using special software. Digitization In order to produce a new land use and land cover maps, the 1990/92 inventory line work was used as a starting point and modified as indicated by the photo interpreters. The line work is being digitized on top of the new orthophoto maps. An additional step in the process is the digitization of new forest access roads and large buildings -------------------------------------------------- Note added at 1 hr (2010-08-14 12:25:02 GMT) -------------------------------------------------- What kind of base maps can I use for digitizing? Two different types of maps are generally used. These maps are the U.S. Geological Survey 1:24,000 Topographic Maps and the Vermont 1:5,000 scale Orthophoto Base Maps. # Once the data has been correctly digitized it can then be projected to the desired projection. # By following this general rule, the correct spatial representation of information can be anticipated. http://www.vcgi.org/techres/?page=./white_papers/datums/defa... |
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