Research on sharing of geographic information portrayal based on quantitative visual variables

Yang Mei; Lin Li; Haihong Zhu

doi:10.1117/12.815404

29 December 2008 Research on sharing of geographic information portrayal based on quantitative visual variables

Yang Mei, Lin Li, Haihong Zhu

Proceedings Volume 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA); 728526 (2008) https://doi.org/10.1117/12.815404
Event: International Conference on Earth Observation Data Processing and Analysis, 2008, Wuhan, China

Abstract

Geographic information portrayal standard within geographic information standards community in ISO 19117 is consisted of symbol specification, symbol assignment, portrayal services, cartographic finishing rules and implementation specification. The portrayal standard specifies a conceptual framework which includes classes, attributes, associations and operations and is the base of implementation and sharing of the geographic information portrayal. The portrayal standard associates geographic features with symbols. This paper starts up with the quantitative methodology for specifying visual variables. Consequently, visual variable values of geographic information portrayal are taken to be statistically analyzed on shape, size and color. Furthermore, a set of quantitative rules of visual variables within the geographic information portrayal system are retrieved. Meanwhile, a visual variable model for portrayal is founded in this paper. At last, the standard definition sharing of the portrayal is implemented with XML, which will become model base of geographic information portrayal and visual analyses for earth observation data.

Citation Download Citation

Yang Mei, Lin Li, and Haihong Zhu "Research on sharing of geographic information portrayal based on quantitative visual variables", Proc. SPIE 7285, International Conference on Earth Observation Data Processing and Analysis (ICEODPA), 728526 (29 December 2008); https://doi.org/10.1117/12.815404

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