The modern map base in Lithuania was established during
the years when the country formed part of the Soviet Union.
Topographic series conformed to the Russian 1942 standard, and were
published on the Gauss conformal transverse cylindrical
projection, Krassovsky ellipsoid.
Soviet military topographic mapping of Lithuania is available at the following scales: 1:1,000,000 (4 sheets, complete coverage, published 1983-1990);
1:500,000 (8 sheets, complete coverage, published 1986-1993); 1:200,000 (26 sheets, complete coverage, published 1966-1992); 1:100,000 (72 sheets, complete coverage,
published 1977-1989); 1:50,000 (315 sheets, complete coverage, published 1964-1991) and city (1:10,000) topographic mapping of Kaunas, Klaipeda, Shaulyai and Vilnius published between
1981 and 1989. These products are available in print, digital raster and digital vector GIS formats from East View Geospatial.
Topographic maps of Lithuania are now prepared by the
Joint Stock Company, Aerogeodezijos Institut in Kaunus,
which acts as the main mapping factory in the country. The
basic topographic scale is 1:10,000. This two-color map
was started in the Soviet era with 2 m contours and was
updated every 10 years. Digital production started in the
late 1980s and at first involved CAD-oriented systems based
on Intergraph Microstation software, but from 1997 GIS
based software has been used to generate a 1:10,000 scale
topographic database based upon ARC/INFO. Aerogeodezijos
Institut also maintains a military 1:50,000 scale map,
to conform with NATO standards. A digital specification
for these data was developed in 1997-98, leading to the establishment
of a 1:50,000 scale ARC/INFO topographic database
(TOP50LT). A digital 1:200,000 scale nautical chart
of Lithuanian waters has also been captured.
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