Acta Geodaetica et Cartographica Sinica >

2015 , Vol. 44 >Issue 7: 797 - 804

DOI: https://doi.org/10.11947/j.AGCS.2015.20140333

Steering Angle Function Algorithm of Morphing of Residential Area

  • XIE Tian ,
  • LI Jingzhong
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  • School of Resource and Environmental Sciences, Wuhan University, Wuhan 430079, China

Received date: 2014-06-19

  Revised date: 2014-12-02

  Online published: 2015-07-28

Supported by

The National Natural Science Foundation of China (No.41001229);The National High-tech Research and Development Program of China (863 Program) (No.2012AA12A404);Virtual Geographic Environment, Ministry of Education Key Laboratory of funded projects (No.2012VGE03);National Science Talents Fund “Geographical Sciences, Wuhan University of Science Base” Research Capacity Training Program (No. J1103409);Key Laboratory of Satellite Mapping Technology and Application, National Administration of Surveying, Mapping and Geoinformation(No.KLSMTA-201308)

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Abstract

A residential area feature morphing method based on steering angle function is presented. To residential area with the same representation under two different scales,transforming the representation of the residential area polygon from vector coordinates to steering angle function,then using the steering angle function to match,and finding out the similarity and the differences between the residential areas under different scale to get the steering angle function of the the residential areas under any middle scale,the final,transforming the middle scale steering angle function to vector coordinates form,and get the middle shape interpolation of the the residential area polygon.Experimental results show:the residential area morphing method by using steering angle function presented can realize the continuous multi-scale representation under the premise of keeping in shape for the residential area with the rectangular boundary features.

Key words： steering angle function; morphing; multi-scale representation; continuous generalization

Cite this article

XIE Tian , LI Jingzhong . Steering Angle Function Algorithm of Morphing of Residential Area[J]. Acta Geodaetica et Cartographica Sinica, 2015 , 44(7) : 797 -804 . DOI: 10.11947/j.AGCS.2015.20140333

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