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ÑAÏI HOÏC QUOÁC GIA TP HCM TRÖÔØNG ÑAÏI HOÏC KYÕ THUAÄT GISGIS (Master in Computer Science)(Master in Computer Science) 1 GISGIS (Master in Computer Science)(Master in Computer Science) Assoc Prof Dr Trần Vĩnh Phước E mail Phuoc gisgmail com ReferencesReferences 1 Trần Vĩnh Phước (2001) GIS Một số vấn đề chọn lọc Nhà xuất bản Giáo dục 2 Trần Vĩnh Phước và các cộng sự (2003) GIS đại cương – Phần thực hành Nhà xuất bản Đại học quốc gia Tp Hồ Chí Minh 3 Trần Vĩnh Phước (2008) GPS – Hệ thống định v.
GIS (Master in Computer Science) Assoc.Prof Dr Trầ n Vĩnh Phư c E mail: Phuoc.gis@gmail.com References Trầ n Vĩnh Phư c (2001) GIS Mộ t số vấ n đề chọ n lọ c Nhà xuấ t bả n Giáo dụ c Trầ n Vĩnh Phư c cộ ng (2003) GIS đạ i cư ng – Phầ n thự c hành Nhà xuấ t bả n Đạ i họ c quố c gia Tp Hồ Chí Minh Trầ n Vĩnh Phư c (2008) GPS – Hệ thố ng đị nh vị toàn cầ u Nhà xuấ t bả n Đạ i họ c quố c gia Tp Hồ Chí Minh Trầ n Vĩnh Phư c cộ ng (2009) GIS – Thự c hành ArcMap Nhà xuấ t bả n Đạ i họ c quố c gia Tp Hồ Chí Minh Trầ n Vĩnh Phư c cộ ng (2005) Hệ thố ng thông tin đị a lý đồ ng bằ ng sông Cử u Long (MEKOGIS) Đề tài nghiên u khoa họ c cấ p nhà nư c David Ardtur, Michael Zeiler (2004) Designing Geodatabases ESRI Press ISBN 1-58948-021-X Graeme F.Bonham-Carter (1994) Geographic Information Systems for Geoscientists: Modelling with GIS, Pergamon Harvey J Miller, Jiawei Han (2009) Geographic Data Mining and Knowledge Discovery Second Edition, CRC Press, Taylor & Francis Group ISBN 978-1-4200-7397-3 Kang-Tsung Chang (2008) Introduction to Geographic Information Systems Fourth Edition McGraw-Hill ISBN-13: 978-007-125920-0 or ISBN-10: 007-125920-1 10 Manfred M.Fischer, Peter Nijkamp (1993) Geographic Information Systems, Spatial Modelling, and Policy Evaluation Springer-Verlag ISBN: 3-540-55454-8 or ISBN: 0-387-55454-8 11 Phuoc Tran Vinh (2011) A GIS system for real-time monitoring and timely warning International Conference on Sustainability Science in Asia (ICSS-Asia) 2011, March 2-4 2011, Hanoi,.Vietnam Abstract pp 49-50, http://www2.ir3s.u-tokyo.ac.jp/icssasia2011/ 12 Phuoc Tran Vinh, Hong Nguyen Thi (2011) An Integrated Space-Time-Cube as a Visual Warning Cube ICMLC 2011, 3rd International Conference on Machine Learning and Computing, Singapore, February 26-28, 2011, IEEE Publisher, Vol 4, pp 449-453 ISBN: 978-1-4244-9252-7 or ISBN: 978-1-4244-9253-4 13 Phuoc Tran Vinh, Tuyen Le Minh (2011) The Access Control Cube for a Geodatabase of a Provincial Government Agency ICMM 2011, International Conference on Innovation and Information Management, Chengdu, China, January 14-15, 2011, IEEE Publisher, pp 397-401 ISBN: 978-1-4244-9450-7 or ISBN: 978-1-4244-9451-4 14 Phuoc Tran-Vinh (2010) Early Warning Plea for Vietnam GIM International, Volume 24, Number 5, (Invited Column), www.gim-international.com 15 Stan Aronoff (1993) Geographic Information Systems: A Management Perspective, WDL Publications, Ottawa, Canada 16 Yue-Hong Chou (1997) Exploring Spatial Analysis in Geographic Information Systems Onword Press ISBN: 156690-119-7 17 Websites: www.esri.com; www.gis-home.net www.geospatialworld.net; www.mycoordinates.org; www.gim-international.com What you need? R I m io o MAK MAKING ciSION ci io b i m io whave o toati rm n?o info P Chapter SPATIAL DATA Introduction Raster Data Model Vector Data Model Metadata Spatial Data Quality Spatial Data Query Chapter SPATIAL DATA Introduction Real-World contains Spatial Entities Spatial Model contains Spatial Objects Spatial Data Model contains Data of Spatial Objects Chapter SPATIAL DATA Introduction Spatial Data Model Spatial Data Structure Code Spatial Data Format Chapter SPATIAL DATA Introduction – Spatial Objects Spatial Objects Natural Spatial Objects Sampling-Limited Spatial Objects Definition-Limited Spatial Objects Imposed Spatial Objects Irregular Imposed Spatial Objects Regular Imposed Spatial Objects Chapter SPATIAL DATA Introduction – Spatial Objects Point Point Objects in 0-D Space Line Line Objects in 1-D Space Chapter SPATIAL DATA Introduction – Spatial Objects Flat Surface Objects in 2-D Space Curved Surface Objects in 2.5-D Space Chapter SPATIAL DATA Introduction – Spatial Objects Volume Objects in 3-D Space 10 Chapter SPATIAL DATA Vector Data Model Topology: Arc-Node Tables Area Topology Area Arc A B C D E a1, a5, a3 a2, a5, 0, a6, 0, a7 a7 a6 External Arc Topology Arc From Node To Node Left Area Right Area a1 a2 a3 a4 a5 a6 a7 N1 N2 N3 N4 N3 N5 N6 N2 N3 N1 N1 N2 N5 N6 E E E A A B B A B A A B B C Coordinates Node Topology Node N1 N2 N3 N4 N5 N6 Arc From Node (x,y) Vertex (x,y) To Node (x,y) a1 a2 a3 a4 a5 a6 a7 40,60 70,50 10,25 40,60 10,25 30,20 55,27 70,60 70,10;10,10 10,60 30,50 0,27;30,30;50,32 70,50 10,25 40,60 30,40 70,50 30,20 55,27 Arc a1, a3, a4 a1, a2, a5 a2, a3, a5 a4 a6 a7 55,15;40,15;45,27 39 Chapter SPATIAL DATA Vector Data Model Topology Relation: Point - Point is within is nearest to 40 Chapter SPATIAL DATA Vector Data Model Topology Relation: Point - Line is on line is nearest to 41 Chapter SPATIAL DATA Vector Data Model Topology Relation: Point - Area is contained in Is on border of 42 Chapter SPATIAL DATA Vector Data Model cross Topology Relation: Line - Line intersect Flow into Flow into 43 Chapter SPATIAL DATA Vector Data Model Topology Relation: Line - Area intersect is on border of 44 Chapter SPATIAL DATA Vector Data Model Topology Relation: Area - Area overlaps is adjacent to Is within 45 Chapter SPATIAL DATA Metadata Metadata provide information about geospatial data (Guptill 1999) Metadata let us know: If the data meet our needs for coverage, quality, currency How to transfer, process, interpret Whom to contact for additional information 46 Chapter SPATIAL DATA Metadata Content standards for metadata: Identification Information: title, coverage, currency Data Quality Information: positional and attribute accuracy, completeness, consistency, sources of data, methods used to produce the data Spatial Data Organization Information: method for data representation (raster or vector, etc.), number of spatial objects Spatial Reference Information: coordinate systems, horizontal and vertical datums Entity and Attribute Information: entity types, entity attributes, domain of attribute values Distribution Information: how to obtain daa set Metadata Reference Information: the currency of the metadata information, 47 responsible party Chapter SPATIAL DATA Spatial Data Quality Micro Level Components Positional Accuracy Attribute Accuracy Logical Consistency: values vary fast Resolution: the size of smallest object that is represented in data set 48 Chapter SPATIAL DATA Spatial Data Quality Macro Level Components: Completeness: Classification, Verification, coverage Time Lineage: history and source of data 49 Chapter SPATIAL DATA Spatial Data Quality Usage Components: Accessibility: the ease of obtaining and using data Direct Cost: cost of dataset is purchased from other organization Indirect Costs: direct cost plus the time, materials used to make use of the data 50 Chapter SPATIAL DATA Spatial Data Query 51 Chapter SPATIAL DATA Spatial Data Query Using: Identify Tool i 52 Chapter SPATIAL DATA Assoc.Prof Dr Trầ n Vĩnh Phư c E mail: Phuoc.gis@gmail.com 53 ... contains Spatial Objects Spatial Data Model contains Data of Spatial Objects Chapter SPATIAL DATA Introduction Spatial Data Model Spatial Data Structure Code Spatial Data Format Chapter SPATIAL DATA. .. Chapter SPATIAL DATA Introduction Raster Data Model Vector Data Model Metadata Spatial Data Quality Spatial Data Query Chapter SPATIAL DATA Introduction Real-World contains Spatial Entities Spatial. .. Chapter SPATIAL DATA Introduction – Spatial Data Model Spatial Data Model Raster Vector • • • • • • • • • • • • • • • • • • • • • • • • • • • • • 14 Chapter SPATIAL DATA Introduction – Spatial Data