A translator program converting a digitized map into the format of the American proposed standard for digital cartographic data Public Deposited

http://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/j3860b064

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  • The American Proposed Standard for Digital Cartographic Data presents the new national exchange format which allows the transfer of spatial data among parties that may use different computer hardware and different operating system software. A translator program for the conversion of the AutoCAD DXf data structure to the Standard's output format has been developed to determine the problems connected with the writing of such a translator program. This study was conducted to (1) present possible solutions to the problems one encounters converting a data structure to the national standard's output format; (2) determine the information that is required by the standard, but not necessarily provided by the digitizing software's data structure, and to find a way to create it; and (3) develop ways to manage the information in proposed digital data bases, that contain the data sets in the standard output format, for quick use reference. The results of this thesis are: (1) the acknowledgement of the proposed Standard as a difficult to understand, but powerful and versatile vehicle for data exchange; (2) the suggestion that an index managing the data set stored according to the new standard format should carry information about the location, possible restrictions, the producer, and the quality information of these data sets; (3) the preference of a data quality report over a data quality description for the conveyance of the data quality information; (4) the suggestion that any translator program should be developed with a minimally predefined digitizing procedure, allowing the automation of the translator program; and (5) the implementation of layers, i.e., entity classes.
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  • Master files scanned at 600 ppi (256 Grayscale, 24-bit Color) using Capture Perfect 3.0 on a Canon DR-9080C in TIF format. PDF derivative scanned at 300 ppi (256 B&W, 24-bit Color), using Capture Perfect 3.0, on a Canon DR-9080C. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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  • description.provenance : Submitted by Joe Nguyen (jnscanner@gmail.com) on 2008-11-04T20:05:49Z No. of bitstreams: 1 Langen_Gido_1990.pdf: 1572876 bytes, checksum: 34a3c1bb0c914dd940c7dd8f39fb2f97 (MD5)
  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2008-11-04T22:22:59Z (GMT) No. of bitstreams: 1 Langen_Gido_1990.pdf: 1572876 bytes, checksum: 34a3c1bb0c914dd940c7dd8f39fb2f97 (MD5)
  • description.provenance : Made available in DSpace on 2008-11-04T22:26:17Z (GMT). No. of bitstreams: 1 Langen_Gido_1990.pdf: 1572876 bytes, checksum: 34a3c1bb0c914dd940c7dd8f39fb2f97 (MD5)
  • description.provenance : Approved for entry into archive by Linda Kathman(linda.kathman@oregonstate.edu) on 2008-11-04T22:26:17Z (GMT) No. of bitstreams: 1 Langen_Gido_1990.pdf: 1572876 bytes, checksum: 34a3c1bb0c914dd940c7dd8f39fb2f97 (MD5)

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