25 and 25DB SERIES “Topographic Map of Italy” at scale 1:25,000 “LA SEZIONE”
TYPE
The Sections of the 25 Series are made by digital or analytical stereo-restitution and subsequently automatically or manually drawn. The Sections of the 25 DB Series are obtained by digital stereo-restitution or from regional numerical technical cartography derivation. Both Series are printed in 4 colours.
CHARACTERISTICS
The Topographic Map of Italy at scale of 1:25,000 consists of Sections of two different Series: The 25 Series, for Sections published until the end of the 90s, and the 25DB Series, for those published later. Roads, anthropic settlements, technological networks, vegetation, hydrography, orography are indicated. Orography is indicated by contour lines (25 m. intervals) and shading. State, Regional, Provincial and Municipal administrative borders are indicated. The road network is classified according to the nature of the road surface and the width of the roadway. Woods: trees indicated in black on a green background.
SCALE
1:25.000
SIZE
10° in Longitude by 6° in Latitude. Average surface area 150 sq. km.
NUMBER OF ELEMENTS
The Series consists of 2,298 Sections; 1140 available, of which about 300 belong to the 25DB Series.
END OF SERIES
Production ended in 2014.
CUT
Geographic referring to the ED 50 Geodetic Reference System.
ELLIPSOID
25 Series: the Geodetic Reference System is the International ellipsoid with European mean orientation.
25DB Series: the Geodetic Reference System is ETRS89 (GRS80 ellipsoid).
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