Clutter-free Visualization of Large Point Symbols at Multiple Scales by Offset Quadtrees
To address the cartographic problems in map mash-up applications in the Web 2.0 context, this paper studies a clutter-free technique for visualizing large symbols on Web maps. Basically, a quadtree is used to select one symbol in each grid cell at each zoom level. To resolve the symbol overlaps betw...
| Main Authors: | , , |
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| Format: | Article |
| Language: | zho |
| Published: |
Surveying and Mapping Press
2016-08-01
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| Series: | Acta Geodaetica et Cartographica Sinica |
| Subjects: | |
| Online Access: | http://html.rhhz.net/CHXB/html/2016-8-983.htm |