UNIT 69 - GIS STANDARDS

UNIT 69 - GIS STANDARDS

  • A. INTRODUCTION
  • B. TYPES OF STANDARDS FOR GIS
  • C. IMPLEMENTING STANDARDS
  • D. WHAT TO STANDARDIZE?
  • REFERENCES
  • EXAM AND DISCUSSION QUESTIONS
  • NOTES

    UNIT 69 - GIS STANDARDS

    A. INTRODUCTION

    Reasons for standards

    Standards organizations related to GIS

    B. TYPES OF STANDARDS FOR GIS

    Operating system standards

    User interface standards

    Networking standards

    Database query standards

    Display and plotting standards

    Data exchange standards

    C. IMPLEMENTING STANDARDS

    Start-up costs

    Management support

    Technical tradeoffs

    Potential for security risks

    Innovation

    D. WHAT TO STANDARDIZE?

    REFERENCES

    GIS World, 1989. "Spatial data exchange formats", The GIS Sourcebook, GIS World, Fort Collins, CO, pp. 122-23.

    Exler, R.D., 1990. "Geographic Information Systems Standards: An Industry Perspective", GIS World Vol 3(2):44-47.

    FICCDC, 1988. "The proposed standard for digital cartographic data", The American Cartographer, Vol 15(1).

    Thorley, G.A., 1987. "Standards - Why bother?," USGS Open File Reports, 87-314. Abstracts of papers presented at the GIS Symposium.

    Tom, H., 1990. "Geographic Information Systems Standards: A Federal Perspective", GIS World Vol 3(2):47-52.

    EXAM AND DISCUSSION QUESTIONS

    1. Standards can be imposed from above, or emerge through consensus. Discuss the pros and cons of top-down and bottom-up approaches to GIS standardization.

    2. How successful do you think DXF can be as a GIS exchange standard? What aspects of information exchange does it standardize?

    3. Review the approach taken by SDTS to standardizing the use of the term "chain".

    4. "SDTS is a standard for cartography, not GIS" - discuss.


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