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Dynamic tiled map services: supporting query-based visualization of large-scale raster geospatial data

Published: 21 June 2010 Publication History

Abstract

Query based visual explorations of raster geospatial data plays an important role in stimulating scientific hypothesis and subsequently seeking casual relationships. While it is desirable to enable visual explorations of large-scale raster geospatial data in a Web environment, improving the end-to-end performance between query backend and the client applications remains a challenging technical issue. Techniques for providing tiled map services that are adopted by major commercial Internet maps APIs have been successful in handling static geospatial data. Motivated by the practical needs of supporting query-based visual explorations in a Web environment, we have proposed a dynamic tiled map services approach that integrates and extends existing Web-based standards and best practices in serving tiled images for static raster geospatial data. The approach includes quadtree-based indexing and query processing at the server side and a middleware to efficiently convert quadrants of dynamic query results into tiled images. A prototype system has been developed to demonstrate the feasibility of the proposed approach. Experimental results have showed that the prototype system achieves an end-to-end performance in the order of sub-second for 1024*1024 pixels display area consisting of multiple tiles.

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  • (2017)Towards GPU-Accelerated Web-GIS for Query-Driven Visual ExplorationWeb and Wireless Geographical Information Systems10.1007/978-3-319-55998-8_8(119-136)Online publication date: 22-Mar-2017
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      cover image ACM Other conferences
      COM.Geo '10: Proceedings of the 1st International Conference and Exhibition on Computing for Geospatial Research & Application
      June 2010
      274 pages
      ISBN:9781450300315
      DOI:10.1145/1823854
      Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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      New York, NY, United States

      Publication History

      Published: 21 June 2010

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      Author Tags

      1. geospatial data
      2. tiled map
      3. visual exploration
      4. web services

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      View all
      • (2024)DCPMS: A Large-Scale Raster Layer Serving Method for Custom Online Calculation and RenderingISPRS International Journal of Geo-Information10.3390/ijgi1308027613:8(276)Online publication date: 1-Aug-2024
      • (2024)DynoViz: Dynamic Visualization of Large Scale Satellite DataProceedings of the 12th ACM SIGSPATIAL International Workshop on Analytics for Big Geospatial Data10.1145/3681763.3698475(20-29)Online publication date: 29-Oct-2024
      • (2017)Towards GPU-Accelerated Web-GIS for Query-Driven Visual ExplorationWeb and Wireless Geographical Information Systems10.1007/978-3-319-55998-8_8(119-136)Online publication date: 22-Mar-2017
      • (2012)SCOUTProceedings of the VLDB Endowment10.14778/2350229.23502675:11(1531-1542)Online publication date: 1-Jul-2012
      • (2012)Visual analysis of massive web session dataIEEE Symposium on Large Data Analysis and Visualization (LDAV)10.1109/LDAV.2012.6378977(65-72)Online publication date: Oct-2012
      • (2011)Efficient histogramming of large-scale geospatial rasters in supporting of web-based queriesProceedings of the ACM SIGSPATIAL Second International Workshop on High Performance and Distributed Geographic Information Systems10.1145/2070770.2070779(44-45)Online publication date: 1-Nov-2011
      • (2010)Indexing large-scale raster geospatial data using massively parallel GPGPU computingProceedings of the 18th SIGSPATIAL International Conference on Advances in Geographic Information Systems10.1145/1869790.1869859(450-453)Online publication date: 2-Nov-2010

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