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Web Mapping and GIS Final Exam Practice Questions and Answers concept of standards and their use both outside of and for the geospatial industry Why have them? Be able to explain why important for web mapping and GIS - ANSWER-Standards makes things more efficient and effective by establishing ...

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  • November 11, 2024
  • 15
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • web mapping and gis final exam practice questions

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Web Mapping and GIS Final Exam Practice

Questions and Answers


concept of standards and their use both outside of and for the geospatial industry


Why have them?


Be able to explain why important for web mapping and GIS - ANSWER✔✔-Standards makes things more

efficient and effective by establishing norms


19500 standards


International Standards Organization


Goals of standards is to communicate, execute programs, or transfer data with user having little or no

knowledge


Software engineered to work with different formats


major standards organization for the geospatial industry and how it is comprised - ANSWER✔✔-Open

Geospatial Consortium


Data, systems, and process standards


Specific standards for many industries (aviation, energy, sensor webs)


specific geospatial standards - ANSWER✔✔-Geo(JSON) (Javascript Object Notation)- lightweight data

interchange format


KML (Keyhole Markup Language)-points,rasters,lines,polygons, defines visualizations

Copyright ©Stuvia International BV 2010-2024 Page 1/15

, Copyright © OLIVIAWEST2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED


WMS (Web Map Service)-standard for requesting and serving georeferenced map images over

internet..how HTTP requests and responses are handled between client/server. rendered on the fly,


WMTS (Web Map Tile Service)-predefined image files


WFS (Web Feature Service)-standard for reading/writing vector geographic data


WCS (Web Coverage Service)-retrieval of actual geospatial data


GML (Geography Markup Language)- exchange standard, modeling language for geographic systems


GPX (GS eXchange Format)- stores GPS data




XML (eXtensible Markup Language)-standard for exchanging and storing data/documents


there are data formats that are widely used but not necessarily adopted by standards organizations -

ANSWER✔✔-their specifications are published and open so software can be built to use them


WMS and WFS - ANSWER✔✔-Web Mapping Service and Web Feature Service


WMS-standard for requesting and serving georeferenced map images over internet..how HTTP requests

and responses are handled between client/server. rendered on the fly,


WFS-standard for reading/writing vector geographic data


contrast WMS with WMTS - ANSWER✔✔-Web Mapping Service- around longer, more flexible for

returning custom georeferenced map images, clunky with potential for slower responses


Web Map Tile Service-standard for delivering tiles, potentially reduces data and thus bandwidth...more

efficient




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