Scalable Vector Graphics (SVG) Based Multi-Level Graphics Representation for Engineering Rich-Content Exchange in Mobile Collaboration Computing Environments

[+] Author and Article Information
Xiaoyong Su, B. S. Prabhu, Chi-Cheng Chu, Rajit Gadh

 UCLA, Department of Mechanical and Aerospace Engineering, 420 Westwood Plaza, UCLA, Los Angeles, CA 90095

J. Comput. Inf. Sci. Eng 6(2), 96-102 (Apr 05, 2006) (7 pages) doi:10.1115/1.2200888 History: Received January 18, 2006; Revised April 05, 2006

A two-dimensional (2D) graphics hierarchical representation framework and an on-demand content delivery mechanism for facilitating mobile engineering collaboration are presented in this paper. Multi-level graphics content sub-division is utilized to transform large engineering graphics into multiple levels of Scalable Vector Graphics (SVG) content. The hierarchical structure of the SVG content that maintains the relationship between the sub-divided content is formed during the process of sub-division. The divided content is selectively delivered and rendered on the mobile devices in an on-demand fashion. A prototypical system of the proposed approach is implemented and the performance of the framework is evaluated.

Copyright © 2006 by American Society of Mechanical Engineers
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Figure 1

The tree structure of the multi-level division and content organization

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Figure 2

Sub-division sequence and layout

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Figure 3

Pointers in SVG files

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Figure 4

Two-way relationship topology

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Figure 5

Graphics content delivery and process (GN: Root Graphics, LNi: Level 1 File, LNij: Level 2 File)

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Figure 6

Screen shots of the prototypical mobile collaboration system

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Figure 7

The selective content rendering process

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Figure 8

Memory usage comparisons

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Figure 9

User experience evaluation

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Figure 10

Server responses error rate under concurrent requests

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Figure 11

Comparison of server response time under concurrent requests



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