What is included with this book?
Atsuyuki Okabe, Graduate School of Engineering, University of Tokyo
Professor Okabe has been studying statistical spatial analysis for 35 years, and specifically statistical spatial analysis on a network since 1995. One of the leading authorities in the area, he has published over 100 articles, in numerous international journals. He has also authored and edited four previous books.
Kokichi Sugihara, Graduate School of Information Science and Technology, University of Tokyo
Professor Sugihara has co-authored the book on Voronoi diagrams with A. Okabe. He is also an experienced author and lecturer.
Preface | p. xiii |
Acknowledgements | p. xvii |
Introduction | p. 1 |
What is network spatial analysis? | p. 1 |
Network events: events on and alongside networks | p. 2 |
Planar spatial analysis and its limitations | p. 4 |
Network spatial analysis and its salient features | p. 6 |
Review of studies of network events | p. 10 |
Snow's study of cholera around Broad Street | p. 10 |
Traffic accidents | p. 12 |
Roadkills | p. 14 |
Street crime | p. 16 |
Events on river networks and coastlines | p. 17 |
Other events on networks | p. 18 |
Events alongside networks | p. 19 |
Outline of the book | p. 20 |
Structure of chapters | p. 20 |
Questions solved by network spatial methods | p. 21 |
How to study this book | p. 23 |
Modeling spatial events on and alongside networks | p. 25 |
Modeling the real world | p. 26 |
Object-based model | p. 26 |
Spatial attributes | p. 27 |
Nonspatial attributes | p. 28 |
Field-based model | p. 28 |
Vector data model | p. 29 |
Raster data model | p. 30 |
Modeling networks | p. 31 |
Object-based model for networks | p. 31 |
Geometric networks | p. 31 |
Graph for a geometric network | p. 32 |
Field-based model for networks | p. 33 |
Data models for networks | p. 34 |
Modeling entities on network space | p. 34 |
Objects on and alongside networks | p. 34 |
Field functions on network space | p. 37 |
Stochastic processes on network space | p. 37 |
Object-based model for stochastic spatial events on network space | p. 38 |
Binomial point processes on network space | p. 38 |
Edge effects | p. 41 |
Uniform network transformation | p. 42 |
Basic computational methods for network spatial analysis | p. 45 |
Data structures for one-layer networks | p. 46 |
Planar networks | p. 46 |
Winged-edge data structures | p. 47 |
Efficient access and enumeration of local information | p. 49 |
Attribute data representation | p. 51 |
Local modifications of a network | p. 52 |
Inserting new nodes | p. 52 |
New nodes resulting from overlying two networks | p. 52 |
Deleting existing nodes | p. 53 |
Data structures for nonplanar networks | p. 54 |
Multiple-layer networks | p. 54 |
General nonplanar networks | p. 56 |
Basic geometric computations | p. 57 |
Computational methods for line segments | p. 57 |
Right-turn test | p. 57 |
Intersection test for two line segments | p. 58 |
Enumeration of line segment intersections | p. 58 |
Time complexity as a measure of efficiency | p. 59 |
Computational methods for polygons | p. 60 |
Area of a polygon | p. 60 |
Center of gravity of a polygon | p. 61 |
Inclusion test of a point with respect to a polygon | p. 61 |
Polygon-line intersection | p. 62 |
Polygon intersection test | p. 62 |
Extraction of a subnetwork inside a polygon | p. 63 |
Set-theoretic computations | p. 64 |
Nearest point on the edges of a polygon from a point in the polygon | p. 65 |
Frontage interval | p. 66 |
Basic computational methods on networks | p. 66 |
Single-source shortest paths | p. 67 |
Network connectivity test | p. 70 |
Shortest-path tree on a network | p. 71 |
Extended shortest-path tree on a network | p. 71 |
All nodes within a prespecified distance | p. 72 |
Center of a network | p. 72 |
Heap data structure | p. 73 |
Shortest path between two nodes | p. 77 |
Minimum spanning tree on a network | p. 78 |
Monte Carlo simulation for generating random points on a network | p. 79 |
Network Voronoi diagrams | p. 81 |
Ordinary network Voronoi diagram | p. 82 |
Planar versus network Voronoi diagrams | p. 82 |
Geometric properties of the ordinary network Voronoi diagram | p. 83 |
Generalized network Voronoi diagrams | p. 85 |
Directed network Voronoi diagram | p. 86 |
Weighted network Voronoi diagram | p. 88 |
k-th nearest point network Voronoi diagram | p. 89 |
Line and polygon network Voronoi diagrams | p. 91 |
Point-set network Voronoi diagram | p. 93 |
Computational methods for network Voronoi diagrams | p. 93 |
Multisource Dijkstra method | p. 94 |
Computational method for the ordinary network Voronoi diagram | p. 95 |
Computational method for the directed network Voronoi diagram | p. 96 |
Computational method for the weighted network Voronoi diagram | p. 97 |
Computational method for the k-th nearest point network Voronoi diagram | p. 98 |
Computational methods for the line and polygon network Voronoi diagrams | p. 99 |
Computational method for the point-set network Voronoi diagram | p. 100 |
Network nearest-neighbor distance methods | p. 101 |
Network auto nearest-neighbor distance methods | p. 102 |
Network local auto nearest-neighbor distance method | p. 103 |
Network global auto nearest-neighbor distance method | p. 104 |
Network cross nearest-neighbor distance methods | p. 106 |
:2.1 Network local cross nearest-neighbor distance method | p. 106 |
Network global cross nearest-neighbor distance method | p. 108 |
Network nearest-neighbor distance method for lines | p. 111 |
Computational methods for the network nearest-neighbor distance methods | p. 112 |
Computational methods for the network auto nearest-neighbor distance methods | p. 112 |
Computational methods for the network local auto nearest-neighbor distance method | p. 113 |
Computational methods for the network global auto nearest-neighbor distance method | p. 116 |
Computational methods for the network cross nearest-neighbor distance methods | p. 116 |
Computational methods for the network local cross nearest-neighbor distance method | p. 116 |
Computational methods for the network global cross nearest-neighbor distance method | p. 117 |
Network K function methods | p. 119 |
Network auto K function methods | p. 120 |
Network local auto K function method | p. 121 |
Network global auto K function method | p. 122 |
Network cross K function methods | p. 122 |
Network local cross K function method | p. 123 |
Network global cross K function method | p. 124 |
Network global Voronoi cross K function method | p. 126 |
Network K function methods in relation to geometric characteristics of a network | p. 127 |
Relationship between the shortest-path distance and the Euclidean distance | p. 127 |
Network global auto K function in relation to the level-of-detail of a network | p. 129 |
Computational methods for the network K function methods | p. 131 |
Computational methods for the network auto K function methods | p. 131 |
Computational methods for the network local auto K function method | p. 132 |
Computational methods for the network global auto K function method | p. 133 |
Computational methods for the network cross K function methods | p. 133 |
Computational methods for the network local cross K function method | p. 133 |
Computational methods for the network global cross K function method | p. 134 |
Computational methods for the network global Voronoi cross K function method | p. 136 |
Network spatial autocorrelation | p. 137 |
Classification of autocorrelations | p. 139 |
Spatial randomness of the attribute values of network cells | p. 145 |
Permutation spatial randomness | p. 145 |
Normal variate spatial randomness | p. 146 |
Network Moran's I statistics | p. 146 |
Network local Moran's I statistic | p. 147 |
Network global Moran's I statistic | p. 148 |
Computational methods for Moran's I statistics | p. 150 |
Network point cluster analysis and clumping method | p. 153 |
Network point cluster analysis | p. 155 |
General hierarchical point cluster analysis | p. 155 |
Hierarchical point clustering methods with specific intercluster distances | p. 160 |
Network closest-pair point clustering method | p. 160 |
Network farthest-pair point clustering method | p. 161 |
Network average-pair point clustering method | p. 161 |
Network point clustering methods with other intercluster distances | p. 162 |
Network clumping method | p. 162 |
Relation to network point cluster analysis | p. 162 |
Statistical test with respect to the number of clumps | p. 162 |
Computational methods for the network point cluster analysis and clumping method | p. 164 |
General computational framework | p. 164 |
Computational methods for individual intercluster distances | p. 166 |
Computational methods for the network closest-pair point clustering method | p. 166 |
Computational methods for the network farthest-pair point clustering method | p. 168 |
Computational methods for the network average-pair point clustering method | p. 169 |
Computational aspects of the network clumping method | p. 170 |
Network point density estimation methods | p. 171 |
Network histograms | p. 172 |
Network cell histograms | p. 172 |
Network Voronoi cell histograms | p. 174 |
Network cell-count method | p. 175 |
Network kernel density estimation methods | p. 177 |
Network kernel density functions | p. 178 |
Equal-split discontinuous kernel density functions | p. 181 |
Equal-split continuous kernel density functions | p. 183 |
Computational methods for network point density estimation | p. 184 |
Computational methods for network cell histograms with equal-length network cells | p. 184 |
Computational methods for equal-split discontinuous kernel density functions | p. 186 |
Computational methods for equal-split continuous kernel density functions | p. 190 |
Network spatial interpolation | p. 195 |
Network inverse-distance weighting | p. 197 |
Concepts of neighborhoods on a network | p. 197 |
Network inverse-distance weighting predictor | p. 198 |
Network kriging | p. 199 |
Network kriging models | p. 200 |
Concepts of stationary processes on a network | p. 201 |
Network variogram models | p. 203 |
Network kriging predictors | p. 206 |
Computational methods for network spatial interpolation | p. 209 |
Computational methods for network inverse-distance weighting | p. 209 |
Computational methods for network kriging | p. 210 |
Network Huff model | p. 213 |
Concepts of the network Huff model | p. 214 |
Huff models | p. 214 |
Dominant market subnetworks | p. 215 |
Huff-based demand estimation | p. 216 |
Huff-based locational optimization | p. 217 |
Computational methods for the Huff-based demand estimation | p. 217 |
Shortest-path tree distance | p. 218 |
Choice probabilities in terms of shortest-path tree distances | p. 220 |
Analytical formula for the Huff-based demand estimation | p. 220 |
Computational tasks and their time complexities for the Huff-based demand estimation | p. 221 |
Computational methods for the Huff-based locational optimization | p. 222 |
Demand function for a newly entering store | p. 223 |
Topologically invariant shortest-path trees | p. 224 |
Topologically invariant link sets | p. 225 |
Numerical method for the Huff-based locational optimization | p. 227 |
Computational tasks and their time complexities for the Huff-based locational optimization | p. 230 |
GIS-based tools for spatial analysis along networks and their application | p. 231 |
Preprocessing tools in SANET | p. 232 |
Tools for testing network connectedness | p. 233 |
Tool for assigning points to the nearest points on a network | p. 233 |
Tools for computing the shortest-path distances between points | p. 234 |
Tool for generating random points on a network | p. 234 |
Statistical tools in SANET and their application | p. 235 |
Tools for network Voronoi diagrams and their application | p. 236 |
Tools for network nearest-neighbor distance methods and their application | p. 237 |
Network global auto nearest-neighbor distance method | p. 238 |
Network global cross nearest-neighbor distance method | p. 239 |
Tools for network K function methods and their application | p. 240 |
Network global auto K function method | p. 241 |
Network global cross K function method | p. 241 |
Network global Voronoi cross K function method | p. 243 |
Network local cross K function method | p. 244 |
Tools for network point cluster analysis and their application | p. 245 |
Tools for network kernel density estimation methods and their application | p. 246 |
Tools for network spatial interpolation methods and their application | p. 247 |
References | p. 249 |
Index | p. 271 |
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