Proceedings of the Symposium on Global and Environmental Monitoring: Proceedings of the Symposium on Global and Environmental Monitoring

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Persistent identifier:: 856665355

Title:: Proceedings of the Symposium on Global and Environmental Monitoring

Sub title:: techniques and impacts ; September 17 - 21, 1990, Victoria Conference Centre, Victoria, British Columbia, Canada

Year of publication:: 1990

Place of publication:: Victoria, BC

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 856665355

Language:: English

Document type:: Multivolume work

Volume

Persistent identifier:: 856669164

Title:: Proceedings of the Symposium on Global and Environmental Monitoring

Sub title:: techniques and impacts; September 17 - 21, 1990, Victoria Conference Centre, Victoria, British Columbia, Canada

Scope:: XIV, 912 Seiten

Year of publication:: 1990

Place of publication:: Victoria, BC

Publisher of the original:: [Verlag nicht ermittelbar]

Identifier (digital):: 856669164

Illustration:: Illustrationen, Diagramme, Karten

Signature of the source:: ZS 312(28,7,1)

Language:: English

Usage licence:: Attribution 4.0 International (CC BY 4.0)

Editor:: International Society for Photogrammetry and Remote Sensing, Commission of Photographic and Remote Sensing Data

Publisher of the digital copy:: Technische Informationsbibliothek Hannover

Place of publication of the digital copy:: Hannover

Year of publication of the original:: 2016

Document type:: Volume

Collection:: Earth sciences

Chapter

Title:: [THP-2 GIS INTEGRATION]

Document type:: Multivolume work

Structure type:: Chapter

Chapter

Title:: IMPLEMENTING THE SPATIAL DATA TRANSFER STANDARD. Hedy J. Rossmeissl and Karen A. Irby

Document type:: Multivolume work

Structure type:: Chapter

627 a. the ability to transfer vector, raster, grid, and attribute data, and other ancillary information. b. the implementation methodology can be media-independent and extendable to encompass new spatial information as needed. c. an internally contained description of the data types, formats, and data structures such that the information items can be identified and processed into the user’s native system. d. the data and media formats should be based where practical on existing FIPS, ANSI, ISO, or other accepted standards." The Spatial Data Transfer Specification is the method whereby spatial data from one data handling system can be easily transferred to another data handling system. The standard provides a modular specification of data types and formats for the full set of digital information to be transferred. Of necessity, the transfer specification is complex because it must handle both vector and raster data. Content The proposed standard (SDTS Technical Review Board, 1990) consists of three parts. Part 1, Logical Specifications, includes a conceptual model of spatial data and definitions of fundamental cartographic objects and key terms that serve as conceptual building blocks for the constructs presented in the standard; a transfer specification, defining the logical file structure for the transfer of the data; and data quality requirements that specify the form of the quality report and require the data provider to supply detailed information about the data set being transferred in order for the user to evaluate the fitness of that data for a particular use. The Logical Specification component defines a set of primitive and simple cartographic objects in zero, one, and two dimensions with which digital cartographic feature representations can be built. Definitions are also presented for key conceptual terms that are used throughout the standard. The basic concept underlying the Data Quality component is a "truth in labeling" concept. The standard requires a report of what is known about the quality of the included data. Five components are available under which to define data quality: lineage, positional accuracy, attribute accuracy, logical consistency, and completeness. Part 2, Spatial Features, presents a domain of cartographic entities and attributes with standard definitions, and a list of included terms to facilitate cross referencing from user feature categories to standard categories. The Spatial Features component provides a model and definitions for cartographic features. The model consists of entities, attributes, and attribute values. A list of topographic and hydrographic entities and attributes is provided with the standard; however, the standard also provides a mechanism for user-supplied definitions to accompany the data transfer. Part 3, the ISO Implementation, uses the existing international standard, "Information Processing Specification for a Data Descriptive File for Information Interchange," as the implementation mechanism for physical encoding of SDTS data.

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