“CARTE: A Thematic Mapping Program” by Wood and Austin

  • ©P. M. Wood and Donald M. Austin

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    CARTE: A Thematic Mapping Program

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Abstract:


    CARTE is the graphics display program of the LBL Computer Mapping System, producing thematic maps on microfilm at one hundredth the cost of producing negatives by hand. The program matches a geographical area with statistical data to produce graphic output on 35mm film in the form of cross-hatchedmaps for single-color printing or slides, or color separation frames for multi-color printing (either computer-generateddot screens or total mask frames for photographic screening).A versatile set of directives allows the user to design the map and a corresponding report, and to specify such features as automatic placement of area names, calculation of a smooth distribution for color coding, and boundary clipping to specified limits for sectioning a map.


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