Next Article in Journal
An Integrated Framework Combining Multiple Human Activity Features for Land Use Classification
Previous Article in Journal
Integrating Island Spatial Information and Integer Optimization for Locating Maritime Search and Rescue Bases: A Case Study in the South China Sea
Article Menu
Issue 2 (February) cover image

Export Article

Open AccessArticle
ISPRS Int. J. Geo-Inf. 2019, 8(2), 89; https://doi.org/10.3390/ijgi8020089

A Quaternion-Based Piecewise 3D Modeling Method for Indoor Path Networks

1
Key Laboratory of Digital Earth Science, Institute of Remote Sensing and Digital Earth, Chinese Academy of Sciences, Beijing 100094, China
2
Key Laboratory for Earth Observation of Hainan Province, Sanya Institute of Remote Sensing, Hainan 572029, China
3
University of Chinese Academy of Sciences, Beijing 100049, China
*
Author to whom correspondence should be addressed.
Received: 15 December 2018 / Revised: 8 February 2019 / Accepted: 13 February 2019 / Published: 15 February 2019
Full-Text   |   PDF [5070 KB, uploaded 15 February 2019]   |  
  |   Review Reports

Abstract

Generating 3D path models (with textures) from indoor paths is a good way to improve the visualization performance of 3D indoor path analysis. In this paper, a quaternion-based piecewise 3D modeling method is proposed to automatically generate highly recognizable 3D models for indoor path networks. To create such models, indoor paths are classified into four types of basic elements: corridor, stairs, elevator and node, which contain six kinds of edges and seven kinds of nodes. A quaternion-based method is devised to calculate the coordinates of the designed elements, and a piecewise 3D modeling method is implemented to create the entire 3D indoor path models in a 3D GIS scene. The numerical comparison of 3D scene primitives in different visualization modes indicates that the proposed method can generate detailed and irredundant models for indoor path networks. The result of 3D path analysis shows that indoor path models can improve the visualization performance of a 3D indoor path network by displaying paths with different shapes, textures and colors and that the models can maintain a high rendering efficiency (above 50 frames per second) in a 3D GIS scene containing more than 50,000 polygons and triangles. View Full-Text
Keywords: indoor path network; 3D modeling; quaternion; path analysis indoor path network; 3D modeling; quaternion; path analysis
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Jian, H.; Fan, X.; Liu, J.; Jin, Q.; Kang, X. A Quaternion-Based Piecewise 3D Modeling Method for Indoor Path Networks. ISPRS Int. J. Geo-Inf. 2019, 8, 89.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
ISPRS Int. J. Geo-Inf. EISSN 2220-9964 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top