Bài giảng GIS Chapter 4 Spatial analysis

GIS
(Master in Computer Science)

Assoc.Prof. Dr. Trầ n Vĩnh Phư ớ c
E mail:
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References
1.
2.

Trầ n Vĩnh Phư ớ 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 ớ c và các cộ ng sự (2003). GIS đạ i cư ơ ng – Phầ n thự c hành. Nhà xuấ t bả n Đạ i họ c quố c gia Tp. Hồ Chí
Minh.
3.
Trầ n Vĩnh Phư ớ 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.
4.
Trầ n Vĩnh Phư ớ c và các cộ ng sự (2009). GIS – Thự c hành ArcMap. Nhà xuấ t bả n Đạ i họ c quố c gia Tp. Hồ Chí Minh.
5.
Trầ n Vĩnh Phư ớ c và các cộ ng sự (2005). Hệ thố ng thông tin đị a lý đồ ng bằ ng sông Cử u Long (MEKOGIS). Đề tài
nghiên cứ u khoa họ c cấ p nhà nư ớ c
6.
David Ardtur, Michael Zeiler (2004). Designing Geodatabases. ESRI Press. ISBN 1-58948-021-X
7.
Graeme F.Bonham-Carter (1994). Geographic Information Systems for Geoscientists: Modelling with GIS, Pergamon
8.
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
9.
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,
/>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
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17.
Websites:
www.esri.com; www.gis-home.net
www.geospatialworld.net; www.mycoordinates.org; www.gim-international.com

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Chapter 4.

SPATIAL ANALYSIS

1. Introduction
2. Vector Data Analysis
3. Network Analysis
4. Raster Data Analysis

4


Chapter 4.

SPATIAL ANALYSIS

1. Introduction
atial
analysis

SPATIAL
DATA

Crude
Value

INFORMATION

Commercial
Value
5

Chapter 4.

SPATIAL ANALYSIS

1. Introduction
Algorithms

Enter data

Store data

Analyze
data

Display
data

6


Chapter 4.

SPATIAL ANALYSIS

1. Introduction
Visualization

Input data

Geo-Visualization

Store data

Visualize
data

Analyze
visual data

7


Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Single Layer Operations: Boundary Operations
Clip
Input Coverage

Clip Coverage

Output Coverage
B1

B1

B4

B4
B5

B5

B2

B2
B3
B3

8


Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Single Layer Operations: Boundary Operations
Erase
Input Coverage
B1

B4

Erase Coverage

Output Coverage
B1

B4
B5

B5

B2

B2

B3

B3

9


Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Single Layer Operations: Boundary Operations
Update
Input Coverage
B1

B4

Update Coverage

Output Coverage
B1

B5

B2

B2

B3

B3

10


Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Single Layer Operations: Boundary Operations
Split
Input Coverage
B1

B4

Split Coverage

Output
B1

B4

B5

B5
B5

B2
B2
B2

B5

B3
B3

11


Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis

Single Layer Operations: Boundary Operations
Append / Mapjoin

B1

B1

B4

B4

B5

B5
B5

B2

Append
B2

B5

B2

B5

B2

B5

B3
B3

12


Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Single Layer Operations: Boundary Operations
Dissolve
A

C

A

C

A

Dissolve

D

A
D

E

E

B

B

B

B
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Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Single Layer Operations: Boundary Operations
Eliminate

A

C

A

C

A

Eliminate

D

A
D
E

E

B

B

B

B
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Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Single Layer Operations: Proximity Analysis
Buffer

15


Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Multiple Layer Operations: Feature Type
Point-in-Polygon

B1

A3
A1

A3

B3

A2

A1

B2

A2

B4

Point A1 is within the area B2
Point A2 is within the area B4
Point A3 is within the area B3

16


Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Multiple Layer Operations: Feature Type
Line-in-Polygon
B1
B3

a3
a1

a2

B2
B4

a3
a1

a2

Line a1 is within the area B2,B4
Line a2 is within the area B3,B4
Line a3 is within the area B2,B3
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Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Multiple Layer Operations: Feature Type
Polygon-on-Polygon

A2

B1

B1

B2

B2
A1

A2

B3

B3

B4

A1

B4

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Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Multiple Layer Operations: Overlay

A

B

A AND B

A OR B

A NOT B

A XOR B

0

0

0

0

0

0

1

0

0

1

1

1

0

1

0

1

0

1

1

1

1

1

0

0

19


Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Multiple Layer Operations: Overlay
Union

C

A

B

C1

A1

B1

C2

A1

B4

C3

A2

B4

C4

A1

B2

C5

A2

B2

C6

A2

B3

Attributes

C1

B1

C2

B4

C3

A1
A2

OR

C4

B2

B3

C6
C5

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Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Multiple Layer Operations: Overlay
Intersect

0

B1

0

B3

B3

0
1

AND

B2

0
B4

B4
B2

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Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Multiple Layer Operations: Overlay
Identity

0
0

2

2

1

1

3
3

Input coverage

Identity coverage

Output coverage
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Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Multiple Layer Operations: Overlay
Density/Frequency

0
0

2

2

1
1
3

Point coverage

Area coverage

3

Density coverage
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Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Multiple Layer Operations: Proximity Analysis
Near
Near

0
2

1
3

Base Layer

Target Layer

Point Near Line
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Chapter 4.

SPATIAL ANALYSIS

2. Vector Data Analysis
Multiple Layer Operations: Proximity Analysis
PointDistance: one-to-one; one-to-many; many-to-many; many-to-all

Base Layer

Target Layer

Output Layer
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