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Science of Surveying and Mapping
FQ: 月刊
AD of Publication: 北京市
Lanuage: 中文;
ISSN: 1009-2307
CN: 11-4415/P
YP: 1976
Url: 中国测绘科学研究院
Recommended Journals
Science of Surveying and Mapping
2008 -06
Catalog
Lake level variations measurement with satellite altimetry GAO Yong-gang①,GUO Jin-yun②,YUE Jian-ping③(① College of Environment and Resources,Fuzhou University,Fuzhou 350108,China;② The National Astronomical Observatories,CAS,Beijing 100012;③ College of Civil Engineering,Hohai University,Nanjing 210098,China)
Research on GPS height conversion by BP neural network YIN Ai-ming,ZHANG Chu(Changjiang Waterway Survey(Wuhan) Center,Wuhan 430010,China)
Representation and measurement of shape similarity relation for multi-scale spatial linear objects ZHANG Yong-hua①,CHENG Yao-dong①,YAN Hao-wen①,LIU Ji-ping②(①Mathematics,Physics & Software Engineering School,Lanzhou Jiaotong University,Lanzhou 730070,China;②Chinese Academy of Surveying and Mapping,Beijing 100039,China)
A single epoch ambiguity search algorithm based on deformation characteristic and dual frequency constraint YANG Wen-tao,DAI Wu-jiao,ZHU Jian-jun(Department of Survey Engineering and Geomatics,Central South University,Changsha 410083,China)
An adjustment problem about position and orientation of ellipse geomatic entity LIU Ke-li①,YAO Ji-li②(①School of Architecture Engineering,Shandong University of Technology,Zibo 255049,China;②School of Architecture Engineering,Shandong University of Technology,Zibo 255049,China)
Application of the GAMIT/GLOBK batch processing in high precision massive data processing XU Jie①②,MENG Li①③,TANG Shi-hua①(①Guilin University of Technology,Guilin Guangxi 541004,China;②College of Geographical Science Inner Mongolia Normal University,Hu Hehaote010022,China;③Inner Mongolia Institute of Surveying,Hu Hehaote010051,China)
Design and implementation of multimedia electronic atlas system XIE Chao,CHEN Yu-fen(Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China)
Research on fine DEM modeling of open pit with constrained lines XIAO Han-jin,XU Ai-gong,SONG Wei-dong(College of Surveying and Geographical Science,Liaoning Technical University,Fuxin 123000,China)
Four-frequency methods for correcting higher-order ionospheric refractive error in Galileo LIU Qing-yuan,WANG Hu,WANG Qian-xin,BAO Hai(Central South University,Changsha 410083,China)
An effective method of region quasi geoid precision examination LIAO Chao-ming①②③,WANG Long-bo④,QIN Yun-sen⑤(①School of Geodesy and Geomatics,Wuhan University,Wuhan 430079,China;②GNSS Research Center,Wuhan University,Wuhan 430079,China;③Department of Land Surveying,Guangxi Bureau of Surveying and Mapping,Nanning 530023,China;④Geomatics Center of Guangxi,Nanning 530023,China;⑤The Second Institute of Surveying and Mapping of Guangxi,Liuzhou 545006,China)
GPS dynamic deformation analyse based on wavelet transform LI Xuan①,DAI Wu-jiao①,CHEN Yong-qi②,ZHU Jian-jun①,LI Li①(①Department of Survey Engineering and Geomatics,Central South University,Changsha 410083,China;②Department of Land Surveying and Geo-informatics,Hong Kong Polytechnic University,HongKong,China)
Ground deformation monitoring based on GPS-InSAR JIAO Ming-lian,JIANG Ting-chen(Dept.of Space Information Science,HuaiHai Institute of Technology,Lianyungang 222001,China)
Study of precise kinematic GPS measurement simulation HAO Ming,CUI Du-xin,WANG Qing-liang,JI Ling-yun(Second Monitoring Center,China Earthquake Administration,Xi'an 710054,China)
Research on methods of alleviating error of vibrating-beam gravitational sensor ZHAO Chi-hang,GAO Cheng-fa(College of Transportation,Southeast University,Nanjing 210096,China)
Research and implementation of refined GPS stochastic model based on best invariant quadratic unbiased estimation algorithm LIU Zhi-qiang,HUANG Zhang-yu College of Civil Engineering,Hohai University,Nanjing 210098,China)
Photogrammetric mapping without GCPs-with an integrated digital aerial camera (DMC) and aerial-borne LIDAR system OU Yang-ping(Zhangzhou Institute of Surveying and Mapping,Zhangzhou 363000,China)
Exploration and innovation of surveying textbook QIN Hui(Construction Engineering Department,Guangdong Science and Technology Institute,Zhuhai 519090,China)
Research on multimedia-aided instruction for geomatics engineering JIANG Ting-chen①②,GU-Lei①(①Dept.of Space Information Science,Huaihai Institute of Technology,Lianyungang 222001,China;②School of Geodesy and Geomatics,Whuhan University,Whuhan 430079,China)
An approach to the calculation of similarity degree of a polygon before and after simplification BIAN Li-hua①②,YAN Hao-wen①,LIU Ji-ping②,CHU Yan-dong①(①School of Mathematics,Physics & Software Engineering,Lanzhou Jiaotong University,Lanzhou 730070,China;②Chinese Academy of Surveying and Mapping,Beijing 100039,China)
Applying virtual earth API in Web map service LONG Yue-hong①,ZOU Zheng-rong①,WANG Ke②(① School of Info-physics and Geomatics Engineering,Central South University,Changsha 410083,China;② School of Information Science and Engineering,Central South University,Changsha 410083,China)
The algorithm of rapid dynamic ambiguity resolution for single frequency GPS receiver LIU Li-long,LIU Bin,WEN Hong-yan(Department of Civil Engineering,Guilin University of Technology,Guilin 541004,China)
A simple and quick block-by-block generating method for generating delaunay triangulation from points in the plane LIU Yong-he①,WANG Yan-ping②,QI Yong-an①(① School of resources & environment science,Henan Polytechnic University,Jiaozuo 454000,China;②Library,Henan Polytechnic University,Jianzuo 454000,China)
The regional and sequential analysis of visible satellite and GDOP value for GPS/GALILEO combination system DING Peng-hui,CHENG Peng-fei,CAI Yan-hui(Chinese Academy of surveying and mapping,Beijing 100039,China)
Study on the mining subsidence control and ecological restoration of landscape plan based on aerial remote sensing system for unmanned aerial vehicles GUI De-zhu①②,LI Gang①,LIN Zong-jiang②,ZHANG Cheng-cheng①②(①College of Environment and Spatial Informatics.China University of Mining and Technology,Xuzhou 221008;②China Academy of Surveying and Mapping,Beijing 100039)
The application of three-line array CCD photogrammetry theory on the lunar exploration WANG Jian-rong,WANG Xin-yi,LI Jing,ZHAO Fei(Xi'an Research Institute of Surveying and Mapping,Xi'an 710054,China)
A meathod for extracting DEM from LIDAR data REN Zi-zhen①,CEN Min-yi①,ZHANG Tong-gang①,ZHOU Guo-qing②(①Southwest Jiaotong University,Chengdu 610031,China;②Department of Engineering and Technology,Old Dominion University,Norfolk Virgina 23529,USA)
Research on the raster data organization of the three-dimension network map system WANG En-quan①,LI Ying-cheng①,XUE Yan-li①,XIAO Jin-cheng①,LIU Xiao-long①,LIU Lei②(①Chinese academy of surveying and mapping,Beijing 100039,China;②Geoinformation Science & Engineering College,Shandong University Of Science And Technology,Qingdao 266510,China)
The analysis of present-day crustal deformation in Sichuan based on GPS ZHANG Rong-dou①,HUANG Ding-fa①,LIAO Hua②,ZHOU Le-tao①,ZHAO You-bing①(① Dept of Surveying Engineering,School of Civil Engineering,Southwest Jiaotong University,Chengdu 610031,China;② Institute of Disaster Relief,Sichuan Seismological Bureau,Chengdu 610014,China)
RNAV route planning with regard to earth ellipticity FANG Xue-dong①②①College of Environment and Civil Engineering,Chengdu University of Technology,Chengdu 610059,China;②Graduate Department of Civil Aviation Flight University of China,Guanghan 618307,China)
Research and application on data model of road guide sign system based on road network topology HUANG Min,XIONG Zhi,ZHAO Meng-yang(Intelligent Transportation System Research Center,School of Engineering,Sun Yat-sen University,Guangzhou 510275,China)
An algorithm study on intelligent traffic lights adjustment based on decision tree YU Jia,GAN Jia-yuan,Wu Jian-ping,YAO Shen-jun(Key Laboratory of Geographic Information Science,Ministry of Education,East China Normal University,Shanghai 200062,China)
Study on the neural networks model used for dynamically predicting the settlements of soft ground HU Wu-sheng,FANG Lei(Transportation College,Southeast University,Nanjing 210096,China)
Rediscussion on the method of REM YAO Dong-qing①,ZHANG Jian-xiong①,LI Qing-yong②(①School of Surveying and Land Information Engineering,Henan polytechnic University,Jiaozuo 454003,China;②WesternCoal Exploration and Development Co.Ltd.of Guiyang,Guiyang 550000,China)
The analysis of ill-posed problems in deformation analysis and predictions models TANG Li-min,ZHU Jian-jun,DAI Shui-cai,WANG Qian-xin(School of Info-Physics and Geomatics Engineering of Central South University,Changsha 410083,China)
EMD methods' application in deformation analysis YU Chun-ping,LI Guang-yun,WEI Jian-dong,ZHANG Hao(Institute Of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China)
Fusion filter of the SAR image based on AMSS equation and median filter XU Chang-hui;WANG Jian;GAO Jing-xiang;SUN Jiu-yun(college of environment and spatial informatics,China University of Mining and Technology,Xuzhou Jiangsu 221008,China)
Study on image co-registration based on matrix similarity degree WANG Xiao-qing,DANG Ya-min,CHENG Ying-yan(Chinese Academy of Surveying and Mapping,Beijing100039,China)
Precise computation of Doppler parameters for spaceborne SAR in arbitrary elliptic orbits ZHOU Peng①②,XU Yu③,PI Yi-ming①(①School of Electronic Engineering,University of Electronic Science and Technology,Chengdu 610054,China;②School of Information and Control Engineering,University of Petroleum,Dongying 257061,China;③Flight-test Office,Air Force,Beijing 100843,China)
An algorithm for subpixel localization of target based on linear feature ZHAO Ling-li①②,LIU Shuai①②,LI Jun-sheng①,FU Jin-wei①(①School of Engineering,Honghe University,Mengzi 661100,China;②School of Info-Physics and Geomatics Engineering,Central South University,Changsha 410083,China
The way of spatial points reduction and volume calculation based on marching cubes ZENG Jing-wen①,ZHU Zhao-rong①,DING Ri②(①Beijing Institute of Surveying and Mapping,Beijing100038,China;②Liaoning Province Land Acquisition Bureau,Shenyang 110003,China)
Topographic attributes extraction and analysis based on grid DEM YUAN Li-feng①,LI Fa-yuan②,ZHANG Hai-tao①(①College of Telcommunication and Information Engineering,Nanjing University of Posts and Telecommunications,Nanjing 210003,China;②Key Laboratory of Virtual Geographic Environment,Nanjing Normal University,Nanjing 210046,China)
Study on spatial-UML oriented traffic geographic information spatial-temporal characteristic representation CHEN Shao-pei①②⑤,LI Yong③,PENG Cong④,TAN Jian-jun①(①Centre for Geographic Information System,Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China;②French Naval Academy Research Institute France 29240;③Sun Yat-sen University,Guangzhou 510275,China;④Bureau of Public Passenger Transportation,Guangzhou 510010,China;⑤Graduate School of Chinese Academy of Sciences,Beijing 100049,China)
Technology integration of emergency management system of urban public health safety CUI Wei-guo①,ZHENG Ben②,BI Jun-ping①,LIU Shao-kun③(① GIS Laboratory,Guangzhou Institute of Geochemistry,CAS,Guangzhou 510640 China;② Administrative Office of National Sustainable Development Community of Tianhe District,Guangzhou 510655,China;③Information Department of Tianhe Chinese Medical Hospital,Guangzhou 510655,China)
A discussion of the mode of urban geoinformation distribution service based on network JIN Zhi-guo ①,SHOU Chun-fa②,LI Cheng-ming①,YIN Jie①(①Institute of GIS,Chinese Academy of Surveying and Mapping,Beijing 100039,China;② Yiwu City Design and Research Institute of Exploration and Surveying,Yiwu 322000,China)
Research on mobile GIS application pattern based on LBS LI Xin(Institute of Surveying and Mapping of Information Engineering University,Zhengzhou 450052,China)
Research on dynamic change of landscape spatial pattern before and after the construction of three gorges reservoir within 10 years——A case study of Kaixian county in Chongqing SHAO Huai-yong①,XIAN Wei ②,YANG Wu-nian①,ZHOU Wan-cun③(①Key Lab of Information Technology & Application of La nd and Resources,MLR/Institute of Remote Sensing & GIS,Chengdu University of Technology,Chengdu 610059,China;②Department of Environmental Engineering,Chengdu University of Information Technology,Chengdu 610041,China;③Chengdu Institute of Mountain Disaster and Environment,CAS,Chengdu 610041,China)
The intelligent displaying system's designs and realizations of bus platform——Take a platform of Nanchong city as an example GUO Xiao-long(Land resource institute of China West Normal University,Sichuan Nanchong 637002,China)
Study on extracting urban built-up land based on dual polarization difference index CHEN Heng-lin①,WANG Xiao-qin①,LI Hui-guo①②,LING Fei-long①①Key Laboratory of Spatial Data Mining and Information Sharing of Ministry of Education,Spatial Information Research Center of Fujian Province,Fuzhou University,Fuzhou 350002,China;②Institute of Geographic Sciences and Natural Resources Research,Chinese Academy of Sciences,Beijing 100101,China)
Spatial statistical analysis of the population distribution patterns of Hainan province based on GIS SONG Jie-hua①,LI Jian-song②,XIE Gen-zong①,KANG Yan③,LI Shao-wei④①Department of Resources,Environment and Tourism,Hainan Normal University,Haikou 571158,China;②School of Remote Sensing and Information Engineering,Wuhan University,Wuhan 430079,China;③The YOUSE Surveying and Mapping Institute of Zhejiang Shaoxing 312000,China;④ The Layout Information Institute of Wenzhou,Wenzhou 325003,China)
The performance analysis of data transmission in geographic information-service WANG Yu-hai①②,ZHANG Xin-cheng③,CUI Tie-jun①,CHEN Ying-dong①① Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China;② Institute of Science,Information Engineering University,Zhengzhou 450052,China;③Institute of Computer of KaiFeng University,Kaifeng HeNan 475000,China)
Data organization and implementation of cadastral management information system model based on temporal semantics LAN Xiao-ji,HU Chuan(College of Architecture and Mapping Jiangxi University of Science and Technology,Jiangxi Ganzhou 341000,China)
Discussion on a service-based framework of spatial database grid GONG Yong-kui,XIANG Nan-ping(Department of Surveying and Land Information Engineering,Central South University,Changsha 410083,China)
Realization of spatial object's precise grid index WANG Yan-bin①②,HE Zheng-wei①,SU Xi-wei③(①College of Earth Sciences,Chengdu University of Technology,Chengdu 610059,China;②78138 Department of PLA,Chengdu 610036,China;③78155 Department of PLA,Chengdu 610036,China)
Design and implementation of serial communication with GPS-OEM board based on VC++ YUAN De-bao①,CUI Xi-min①,ZANG Yong-qiang②,LIU Shuang-shuang③,PAN Xing①,LIANG Su-yan①(①School of Resource and Safety Engineering,CUMT,Beijing100083,China;②Northen China Power Engineering CO.LTD,Beijing100011,China;③China Coal Information Research Institute,Beijing100029,China)
Application of GIS space analysis in the choosing of supermarket site QI Xiang-qian(Architectural and Engineering Institute,Heilongjiang Institute of Science and Technology,Harbin 150027,China)
DXF component design for quality inspection software for digital surveying and mapping products based on UML MENG Ni-na①,ZHOU Xiao-dong②(① College of Geology Engineering and Geomatics,Chang'an University,Xi'an 710054,China;② Xi'an Institute of Surveying and Mapping,Xi'an 710054,China)
Research and application of tasks based on ArcGIS Server 9.2 LAN Xiao-ji,WANG Jian(College of Architecture and Survey Engineering,Jiangxi University of Science and Technology,Jiangxi,Ganzhou 341000,China)
The application research of VR-GIS technology on the route selection of the high voltage transmission lines——A case of the 500kv voltage transmission line form Kangding to Chongzhou QIU Wen-xia,HE Zheng-wei,XU Hui-xi,ZHAO Yin-bing,JIANG Lan,ZHANG Yi,LI Zhe(Institute of Digital Land and Ecology Science,Chengdu University of Technology,Chengdu 610059,China)
Shooting range WebGIS development based on MapXtreme MA Ya-ming①②,XU Yang①③,SU Bin①(①Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China;②63870 Troops,Huayin 714200,China;③The Center of Surveying and Mapping,Beijing 100088,China)
Design and implementation of WebGIS monitoring system based on client callback technique LIU Han-hu,LUO Zhi-yong,YANG Wu-nian(Ministerial Key Lab of Land and Resources Information Technology & Application /Institute of RS & GIS,Chengdu University of Technology,Chengdu 610059,China)
The design and realization of tourist spacial decision support system——Xi'an Cuihua mountain national geopark tourist decision support system LI Qiang①,WEI Hai-yan①,WANG Wei①②(① College of Tourism and Environment Science,Shaanxi Normal University,Xi'an 710062,China;②Morden Education Technology Center,Shangluo College,Shanxi Shangluo 726000,China)
An application-oriented non-planar data model of road networks and its implementation XIAO Ke-hui,XIAO De-qinInformation College,South China Agricultural University,Guangzhou 510642,China)
A cleaning method studying on duplicate records of spatial data XU Yang①②,FENG Ke-zhong②,MA Ya-ming①③①Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China;②The Center of Surveying and Mapping,Beijing 100088,China;③63870 Troops,Huayin 714200,China)
The simplest path routing algorithm for navigation QU Rong①②,WENG Min①②①School of Resource and Environment Science,Wuhan University,Wuhan 430079,China;②Key Laboratory of Geographic Information System,Ministry of Education,Wuhan university,Wuhan 430079,China)
A sub-pixel registration approach of the ADS40 images based on optical flow FAN Chong①②,GONG Jian-ya①,ZHU Jian-jun②,ZHANG Li-hua②(①The Department of Surveying and Land Information Engineering of Central South University,Changsha 410083,China;②State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan University,Wuhan 430079,China)
The calibration of camera with two-step correction method ZHANG Mei①②,ZHANG Zu-xuan①,ZHANG Jian-qing①,WEN Jing-hua②(① School of Remote Sensing and Information Engineering,Wuhan University,Wuhan 430079,China;② Information Institute,Gui Zhou Financial Institute,Guiyang 550004,China)
Analysis on geo-info-spectrum of landscape pattern evolvement in Changbai Mountain based on GIS WANG Ming-chang①②,HE Yue③,XU Jun-qiang④,WANG Zhi-heng①(①College of Geo-exploration of Science and Technology,Jilin University,Changchun 130026,China;②The Institute of Mineral Resources Prognosis of Synthetic Information,Jilin University,Changchun 130026,China;③ Zhejiang Meteorological Bureau,Hangzhou 310017,China;④Henan Institute of Geological Survey,Zhengzhou 450047,China)
Research of 3D terrain modeling and visualization based on IDL JIA Rui-sheng①,JIANG Yan②,SUN Hong-mei①,WANG Ping②(①College of Information Science & Engineering,SDUST,Qingdao Shandong 266510,China,②College of Geo-Information Science & Engineering,SDUST,Qingdao Shandong 266510,China)
A static visualization representation method for spatio-temporal data XIA Hui-qiong①,LI De-ren①,SHAO Zheng-feng①,ZHENG Chun-yan ②(① State Key Laboratory of Information Engineering in Surveying,Mapping and Remote Sensing,Wuhan niversity,Wuhan 430079,China;② Department of Geography,Jiaying University,Meizhou 514015,China)
Study on the self-adaptive Canny edge detection algorithm LI Er-sen①,ZHANG Bao-ming①,ZHOU Xiao-ming①,GUO Hai-tao①,ZHAO Yong②,ZHAO Jian-chao③(① Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China;② 61363 Troops,Xi'an 710054,China;③The Navy Press,Tianjin 300450,China)
Study on active GIS framework LIU Yong①②,LI Cheng-ming①,WANG Ji-zhou①① Institute of GIS,Chinese Academy of Surveying and Mapping,Beijing 100039,China;② Shandong University of Science and Technology,Qingdao 266510,China)
An algorithm for computing the maximum distance between two simple polygons CUI Xian-guo①,MAO Ding-shan②(①College of Geomatics,Shandong University of Science and Technology,Qingdao 266510,China;②Beijing Easymap Information Technology Co.Ltd.,Beijing 100086,China)
An improvement and realization of contour extraction algorithm based on RGD BIAN Shu-li①,LIU Jia-jia①,WANG Hai-long②,TIAN Lu③① Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China;② The Center of Surveying and Mapping,Beijing 100088,China;③ 65015 Troops,Dalian 116023,China)
Review of super-resolution in remote-sensing image WU Qiong,TIAN Yue,ZHOU Chun-ping,GONGHui-li,LI Xiao-juan,ZHAO Wen-ji(The Lab of Resources Environment and GIS,Capital Normal University,Beijing 100037,China)
Remote sensing image retrieval based on improved edge angular histogram WANG Ren-li①,HAO Yu-bao②③,GU Li-juan④(①College of Water Resources and Environment,Hohai University,Nanjing 210098,China;②Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China;③75719 Troops,Wuhan 430074,China;④China National Digital Switching System Engineering and Technological Research Center,Zhengzhou 450002,China)
Research on data automation transmission of WinCE GTS-720 total station instrument based on GPRS WANG Pei-xian①,MA Zhen-an②,SUN Yan-chong①(① Liaoning Technical University,Fuxin 123000,China;② Liaoning Traffic Technological academy,Shenyang 110122,China)
Improvement of the OPTA algorithm and its application in remote sensing images thinning LI Er-sen①,ZHANG Bao-ming①,GUO Hai-tao①,ZHOU Xiao-ming①,CHU Yan-feng①②,CHEN Ke①(①Institute of Surveying and Mapping,Information Engineering University,Zhengzhou 450052,China;②65015 Troops,Liaoning Dalian116023,China)
Research and implementation of the massive remote sensing image storage and management technology WANG Hua-bin①,TANG Xin-ming①,LI Qian-xiang②①Chinese Academy of Surveying and Mapping,Beijing 100039,China;②Beijing Water Technology Center,Beijing 100073,China)
Comparison and analysis of pixel-level image fusion algorithms applicable to ALOS data WANG Guang-liang①②,LI Ying-cheng②,ZENG Yu③②,JIN Lan②①China University of Geosciences,Beijing 100083,China;②Chinese Academy of Surveying and Mapping,Beijing 100039,China;③Shandong University of Science and Technology,Qingdao Shandong 266510,China)
Precision comparison of several algorithms for geometric correction of TM image FAN Pei,HUANG Weng-qian,YU Cai-xia(Dept.of H·rography and Cartography,Dalian Naval Academy,Dalian 116018,China)
The discussion about origin of fuzzy uncertainty of remote sensing data and processing methods HE Shao-shuai①,YANG Min-hua①,LI Wei-jian②(①Central South University School of Info-physics Geomatics Engieerring,Changsha 410083,China;② National Geomatics Center of China,Beijing 100044)
Application of grey clustering analysis on comprehensive evaluation of regional economic development level SUN Xiao-li①②,DONG Chun①,LI Qing-yuan①(①China Academy of Surveying and Mapping,Beijing 100039,China;②China University of mining and technology Beijing,Beijing 100083,China)
Study on application of GPS-PDA in land changing survey based on 3S technology LI Xiao-dong,YANG Wu-nian,MA Ling,JIANG Hong-bo(Institute of RS and GIS,Chengdu University of Technology,Chengdu 610059,China)
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