A Method for Indoor Map Unified Mathematical Transformation Based on Transition Projecting Plane

SUN Weixin; WANG Guangxia; LV Xiaohua; ZHANG Jinming; YOU Tian

doi:10.13203/j.whugis20160034

Volume 43 Issue 4

Apr. 2018

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Geomatics and Information Science of Wuhan University > 2018 > 43(4): 509-515. > DOI: 10.13203/j.whugis20160034

SUN Weixin, WANG Guangxia, LV Xiaohua, ZHANG Jinming, YOU Tian. A Method for Indoor Map Unified Mathematical Transformation Based on Transition Projecting Plane[J]. Geomatics and Information Science of Wuhan University, 2018, 43(4): 509-515. DOI: 10.13203/j.whugis20160034

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A Method for Indoor Map Unified Mathematical Transformation Based on Transition Projecting Plane

1.
Institute of Geospatial Information, Information Engineering University, Zhengzhou 450001, China
2.
32020 Tooops, Wuhan 430072, China

Funds:

The National Key Research and Development Program of China 2017YFB0503500

the National Natural Science Foundation of China 41771487

the National Natural Science Foundation of China 41371383

the National High-tech Research and Development Program(863 Program)of China 2013AA12A202

More Information

Author Bio:
SUN Weixin, PhD, specializes in the geographic information intelligent service, E-mail:swxgis@163.com
Corresponding author:
WANG Guangxia, PhD, professor.E-mail:wangguangxia2011@163.com
Received Date: April 20, 2016
Published Date: April 04, 2018

Graphical Abstract

Abstract

Abstract

Unified mathematics basic of indoor and outdoor map is an important foundation for spatial data share and use between indoor and outdoor, and an important guarantee of the indoor and outdoor integrated LBS, which plays an important role in safety management and emergency response in complex indoor and underground space. Indoor map usually uses user-defined local plane coordinate system, which results in contradictions in terms of mathematics basic between indoor and outdoor map, and also among different building's indoor maps. Taking geographical coordinate system as the unified mathematics basic adopted by indoor map spatial data, this paper studied the method for transforming indoor map from local plane coordinate system into geographical coordinate system. Through analysis the applicability of traditional map mathematical transformation methods, this paper proposed a method for indoor map unified mathematical transformation based on transition projecting plane. Choosing a residential area's survey data to perform a transformation experiment, the results show that the method proposed in this paper can improve the accuracy of indoor map mathematical transformation efficiently in contrast to traditional methods.
- indoor map,
- mathematics basic,
- local plane coordinate system,
- geographic coordinate system,
- transition projecting plane,
- Gauss-Krüger projection

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References (22)

References

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A Method for Indoor Map Unified Mathematical Transformation Based on Transition Projecting Plane

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