PHOTOMOD Geographic maps are created in 4 subsystems (zones) that cover the entire globe. • Midlatitude (main) in conformal conic projection (standard parallels are 30 and 60 degrees (north)) • North (polar) - central meridians are 90 degrees (east and west). Conformal azimuthal (stereographic) projection (standard parallel is 60 degrees (north)). • South (polar) - central meridians are 90 degrees (east and west). Conformal azimuthal (stereographic) projection (standard parallel is 60 degrees (south)). • Equatorial - conformal cylindrical Mercator projection (standard parallels are 26 deg 08.4 min south and north). Midlatitude subsystem used for mapping of north hemisphere in 1:500 000 - 1:10 000 000 scale range. Subsystem includes following 5 blocks: • Europe (central meridian is 20 deg east), code 1 • Asia (central meridian is 90 deg east), code 2 • Pacific ocean (central meridian is 170 deg west), code 3 • North America (central meridian is 40 deg west), code 4 • Atlantic ocean (central meridian is 40 deg west), code 5 Blocks of midlatidude subsystem are composed as follows. Europe, Asia, North America, Atlantic Ocean 10 11 00 01 Pacific ocean 00 01 Composing polar subsystems 20 21 22 10 11 12 00 01 02 © 2009 20 VectOr Composing equatorial subsystem 20 21 22 23 24 10 11 12 13 14 00 01 02 03 04 Map sheet of 1 : 10 000 000 scale divided into: 4 sheets 1 : 5 000 000, 16 sheets 1 : 2 500 000, 100 sheets 1 : 1 000 000. Map sheet of 1 : 1 000 000 divided by 4 sheets of 1: 500 000 scale. Dividing sheet of 1 : 10 000 000 into sheets of 1 : 5 000 000. 10 11 00 01 Dividing sheet of 1 : 10 000 000 into sheets of 1 : 2 500 000. 30 31 32 33 20 21 22 23 10 11 12 13 00 01 02 03 21 RACURS Co., Ul. Yaroslavskaya, 13-A, office 15, 129366, Moscow, Russia Source.


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Last Modified: June 27, 2014 @ 12:00 am