View source for Tango.info Berlin A2 map

[[category:tango.info]]
*[[2007 tango.info berlin citymap]]
*[[2008 tango.info berlin citymap]] - an idea

== Area ==
===Desired area===
Area encircled by the S-Bahn Ring, on a street map approximated by the A 100.  
* South 52.465893 
** U Alt-Tempelhof https://google.com/maps?ll=52.465893,13.385532
** U Walther-Schreiber-Platz https://google.com/maps?ll=52.464717,13.328519
** S Feuerbachstr https://google.com/maps?ll=52.463566,13.33251
* North 52.557112 
** Osloer Str. https://google.com/maps?ll=52.557112,13.373044
* West 13.270454 
** Messe-Süd https://google.com/maps?ll=52.498354,13.270454
* East 13.485482 
** Nöldnerplatz https://google.com/maps?ll=52.503831,13.485482

Map links:
* http://www.travelgis.com/map.asp?addr=J36-N%20RQ9-R

=== Central point of desired area ===
* (S 52.46 + N 52.56)/2, (W 13.28 + E 13.48)/2 -> 52.51,13.38 ca. 100 m east of Potsdamer Platz

Map links:
* https://google.com/maps?ll=52.51,13.38
* http://www.openstreetmap.org/?lat=52.51&lon=13.38&zoom=12&layers=Q

=== Distances of desired area===
* W-E: 13.58 km http://www.wolframalpha.com/input/?i=distance+between+52.51N13.28E+and+52.51N13.48E
* S-N: 11.13 km http://www.wolframalpha.com/input/?i=distance+between+52.46N13.38E+and+52.56N13.38E
** (Variant - Drop area in the North: 10.01 km http://www.wolframalpha.com/input/?i=distance+between+52.46N13.38E+and+52.55N13.38E)

== Scale ==
=== A2 measures ===
[[ISO 216]] A2 is 594 mm * 420 mm.

=== Maximum scale ===
Desired distance / A2 measure
*E-W 13580 m / 0.594 m https://www.google.com/search?q=13580%2F0.594 -> 22861
** 13580 m / 0.494 m (only 5/6 of a foldable map) https://www.google.com/search?q=13580%2F0.494 -> 27490
*N-S 11130 m / 0.420 m https://www.google.com/search?q=11130%2F0.420 -> 26500
** 10010 m / 0.420 m https://www.google.com/search?q=10010%2F0.420 -> 23833

==Other==
=== 1 km ===
* 1 km as comparison 
** http://goo.gl/maps/SIVkc Brandenburger Tor - Charlottenstr.
** http://goo.gl/maps/oD5LZ Bundestag

=== 1 deg ===
* http://www.wolframalpha.com/input/?i=distance+between+0N13E+and+0N14E -> 111.3 km
* http://www.wolframalpha.com/input/?i=distance+between+52.51N13E+and+52.51N14E -> 67.89 km

So maybe in OSM this would be a scale of https://www.google.com/search?q=25000*111.3%2F67.89 = 1:40985.4175873 to get a 1:25000 map

== 25000 ==
On a scale of 1:25000, 1 km corresponds to 0.04 m = 40 mm.

== A2 25000==
On a scale of 1:25000 that means 14850 m * 10500 m. That is 155925000 m2 or ~ 156 km2.

Max EW distance: http://www.wolframalpha.com/input/?i=distance+between+52.51N13.26134E+and+52.51N13.48E 0.2187 degree

A3 - 50000, A4 100000, A5 200000 would cover the same area.