Abstract
As an important manifestation of mobile GIS, mobile map has gradually become an important tool which assists people with spatial cognition in modern society. But the mobile information device’s display area is smaller and its operation is more inconvenient than the previous digital device. Mobile map expression with the traditional digital map method may cause the mobile map information imbalance and less readability. This chapter proposed an adaptive variable-scale method of mobile map. Topological relation instead of geometry relation effectively reduced map information imbalance which is caused by the uneven distribution of spatial features. The variable-scale model is chosen by the shape measurement model, and the shape distortion of spatial feature caused by variable-scale model is reduced. The proposed model was evaluated and reliable result was achieved. In addition, a calculation method of mobile variable-scale map loading was presented. The variable-scale mobile map loading and traditional mobile map loading were compared by an experiment. As a result, when the details in the core part of variable-scale mobile map are reserved, variable-scale mobile map information loading is better than traditional mobile map. A new method of mobile map expression is feasible and valid to solve the problem mentioned above.
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Acknowledgments
This work described in this chapter was supported under the grant numbers 40971238 from the Natural Science Foundation of China (NSFC).
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Guo, W., Cheng, X., Yan, C. (2014). Variable Scale Method and Map Loading Evaluation of Mobile Map. In: Liu, C. (eds) Principle and Application Progress in Location-Based Services. Lecture Notes in Geoinformation and Cartography. Springer, Cham. https://doi.org/10.1007/978-3-319-04028-8_21
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DOI: https://doi.org/10.1007/978-3-319-04028-8_21
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