Abstract
Geography is a comprehensive discipline that studies spatial–temporal patterns, evolution processes, and interaction mechanisms of geographic objects and phenomena. With the evolution of the world from a binary space to a ternary space, it is urgent to deepen and expand the understanding, expression, and mining of geographic information. Most current GIS models use the geometry + combination to express geographic information. Geographic processes, including interplay among features, cannot be directly modeled under the above notion. Geography analyzes spatial and temporal structure of macroscopic patterns as a whole and studies evolutionary processes from the perspective of comprehensive integration, and reveals system structures from the perspective of the integrated role of multiple elements. Based on the concept of ternary space, we identify seven dimensions of geographic information elements, which include semantics, spatial location, geometric structure, attribute, interrelationship, evolution process, and interplay mechanism. We also discussed how such representation framework can be employed under a geometric algebra approach to represent geographic scenes and to achieve a unified representation of the seven dimensions.
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Lv, G. et al. (2022). Classification and Description of Geographic Information: A Comprehensive Expression Framework. In: Li, B., Shi, X., Zhu, AX., Wang, C., Lin, H. (eds) New Thinking in GIScience. Springer, Singapore. https://doi.org/10.1007/978-981-19-3816-0_9
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DOI: https://doi.org/10.1007/978-981-19-3816-0_9
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