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  • 1
    Electronic Resource
    Electronic Resource
    Computer cartography point-in-polygon programs (1967)
    Springer
    BIT 7 (1967), S. 39-64 
    Details
    ISSN: 1572-9125
    Keywords: Cartography ; computer ; polygon
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract The official statistics and census reports give figures only for administrative units. The boundaries of these units are often changed and hence it is very difficult to compare statistics from two different periods. However, an administrative unit can always be approximated by a polygon. Real estate data are assigned to a central point for which the coordinates are known. A computer can determine whether a point belongs to a polygon or not by means of a special program. Data for all real estate central points belonging to the actual polygon are added. In this way it will be possible to compute data for arbitrary polygons, for instance administrative units which do not exist any longer, by assigning real estate data to the central points.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01934125
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Computer cartography range map (1969)
    Springer
    BIT 9 (1969), S. 157-166 
    Details
    ISSN: 1572-9125
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mathematics
    Notes: Abstract The location of every real estate property in Sweden will be given in the official cadastre by means of coordinates. The coordinates of this property register can also be transferred to all the other Swedish registers which give the names of the properties, such as the population and tax registers, and of course also to the censuses of population, housing, agriculture, etc. These coordinates, among other things, can be used for the purposes of cartography. It becomes possible to have a computer turn out maps cheaply and quickly. In this paper we will give some computer mapping programs which use the cadastre coordinates.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01933251
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    Paper (German National Licenses)
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