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"Danmarks Kortverk", 
The IDM of Denmark 
The classic topographical maps 
(1:25.000, 1:50.000 and 1:100.000) 
have to a great extent formed the 
necessary basis for other basic maps. 
The 1:100.000 map, for example, is 
the basis for overall, nationwide or 
regional planning. 
The 1:50.000 map forms the basis 
for military activities, among other 
things. The 1:25.000 map has, in 
practice, been used as the "municipal 
basis map", either in its standard 
form or as a 1:10,000 blow-up, i.e. 
the map on which the Highways 
Departments in many municipalities all 
over the country have based their 
physical planning or technical sketch 
planning. Blow-ups as large as 
1:4,000 are not uncommon either, the 
most common use being attempted 
graphical combinations with the 
cadastral maps. 
The cadastral map has played a 
similar role, as it has been used as 
one of the main sources of information 
in the Highways Departments and the 
activities of chartered surveyors. 
Briefly, the IDM of Denmark is the 
name given to a complete digital map 
system comprising all the different 
elements and registers, adapted to 
each other in such a way as to make up 
a coherent whole which can form part 
of a complete information system. 
The IDM of Denmark could 
constitute the combined technical and 
administrative planning basis by 
consisting of an integrated 
combination of the well-known 
topographical basis elements and their 
interrelationships, a geometrical map 
basis corresponding to 1:10,000, the 
cadastral map information, the 
geodetic, topographical and cadastral 
registers, and, via the cross 
reference register, secure the 
connection to the other administrative 
registers. The IDM will also be 
adapted so that it is available right 
from the outset in combination with 
nautical charts or the chart excerpts 
with sailing directions, and in this 
way take account of "horizontal 
planning tasks", e.g. with regard to 
the environment. 
621 
"Standard packages" in the 
Administrative IDM of Denmark: 
DK-I, Planning Package: 
Scanned topographic map (1:100,000) in 
raster form, 
Selected name theme from the Place name 
register, 
Digital map data (TO) - selected and 
thinned out, 
Address theme, 
Title number theme, 
Municipality and County borders, 
Optional extras: 
Cross reference key, 
Cadastral boundary theme - thinned out 
DK-2, Detailed planning package: 
Scanned topographic map (1:25,000) in 
raster form, 
The complete Place name register, 
Topologic structured topographic data 
(TOP-DK), 
Address theme, 
Title number theme, 
Administrative boundaries, 
Cross reference key, 
Cadastral boundary theme - thinned out 
Optional extras: 
Fixed point theme, 
Digital cadastral map 
DK-3, Detailed administrative package: 
Digital cadastral map, 
The complete Place name register, 
Selected topologic structured 
topographic data (TOP-DK), Address 
theme, 
Title number theme, 
Cross reference key, 
Administrative boundaries, 
Fixed point theme 
Optional extras: 
The complete TOP-DK, 
Contour line theme, 
Scanned topographic map (1:25,000) 
The following administrative options are 
available for all packages: 
Plan register, 
Building and Dwelling register (BBR), 
Municipal Register of Property (ESR), 
Land register, 
Fixed point sketches