کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
508438 865204 2007 10 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Visualization of large spatial data in networking environments
موضوعات مرتبط
مهندسی و علوم پایه مهندسی کامپیوتر نرم افزارهای علوم کامپیوتر
پیش نمایش صفحه اول مقاله
Visualization of large spatial data in networking environments
چکیده انگلیسی

Rendering and interacting with high-resolution geographical data sets and complex models have become integral parts in a 3D GIS, in particular, in a web-based 3D GIS. Due to large data sets and narrow network bandwidth, general-purpose GIS can no longer visualize and manipulate these spatial data over networks in real time. This paper explores a way for building a Web-based 3D GIS application. The application aims to visualize and analyze large spatial data sets. We propose a novel 3D data model for representing the features of the terrain surface and 3D objects. A server–client architecture including progressive transmission methods and multiresolution representations are presented to help create the application. Together with a spatial index, the application provides an effective way for powerful access and manipulation of large-scale data sets. Finally, an experiment is performed using the geo-data to verify that the application works appropriately.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Computers & Geosciences - Volume 33, Issue 9, September 2007, Pages 1130–1139
نویسندگان
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