Design and Implementation of Online Interactive Visualization Tool Based on Vector Tiles

doi:10.13474/j.cnki.11-2246.2018.0125

测绘通报 ›› 2018, Vol. 0 ›› Issue (4): 125-130.doi: 10.13474/j.cnki.11-2246.2018.0125

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Design and Implementation of Online Interactive Visualization Tool Based on Vector Tiles

SONG Lei¹, HUO Liang^1,2, FANG Min¹, BAO Peng¹, WANG Rui¹, WANG Jindi¹

1. School of Geomatics and Urban Spatial Information, Beijing University of Civil Engineering and Architecture, Beijing 102616, China;
2. Key Laboratory of Modern Urban Surveying and Mapping, National Administration of Surveying, Mapping and Geoinformation, Beijing 102616, China

Received:2017-09-01 Revised:2018-01-16 Online:2018-04-25 Published:2018-05-03

Abstract

Abstract:

The online mapping not only pays attention to the mapping speed,but also takes into account the characteristics of visualization. To address this problem, this paper proposes an user oriented online interactive visualization method for network maps.The method is based on vector tile technology,gradually transmitted GeoJSON format data to the client side by WFS,and cached in the browser.Users can edit map symbols,determine the parameters of map symbols and layers at the browser and render vector data into graphics by this tool.The interactive online visualization tool bases on this method,which makes full use of the client CPU and GPU computing resources in WebGIS system.It resolves the user's setted style information through scripting language,and renders the vector data in memory into graphics and display dynamically by WebGL technology,which reduces the dependence of data rendering on the server side,enriches the way of map expression.

Key words: vector tile, map symbol, online map, GeoJSON, self-adaption

CLC Number:

P283

SONG Lei, HUO Liang, FANG Min, BAO Peng, WANG Rui, WANG Jindi. Design and Implementation of Online Interactive Visualization Tool Based on Vector Tiles[J]. 测绘通报, 2018, 0(4): 125-130.

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Design and Implementation of Online Interactive Visualization Tool Based on Vector Tiles

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