Gary E Sherman9781934356067, 1-934356-06-9
Desktop GIS examines the challenges associated with assembling and using an OSGIS toolkit. You’ll find strategies for choosing a platform, selecting the right tools, integration, managing change, and getting support. The survey of OSGIS desktop applications provides you with a quick introduction to the many packages available. You’ll see examples of both GUI (Graphical User Interface) and command line interfaces to give you a feel for what is available.
This book will give you an understanding of the Open Source GIS landscape, along with a detailed look at the major desktop applications, including GRASS, Quantum GIS, uDig, spatial databases, GMT, and other command line tools. Finally, the book exposes you to scripting in the OSGIS world, using Python, shell, and other languages to visualize, digitize, and analyze your data.
Table of contents :
Contents……Page 5
How to Use This Book……Page 9
Acknowledgments……Page 10
Introduction……Page 12
What Is Desktop Mapping?……Page 13
Desktop vs. Server Mapping……Page 20
Assembling a Toolkit……Page 21
What’s Ahead?……Page 22
The Three User Classes……Page 23
Which Are You?……Page 24
Choosing a Platform……Page 25
Selecting the Right Toolkit……Page 26
Acquiring and Installing Software……Page 27
Integration of Tools……Page 29
Managing Software Change……Page 30
Getting Support……Page 31
Where to Find Data……Page 34
Next Step……Page 36
Viewing Data……Page 37
Rendering a Story……Page 42
Looking at Attribute Data……Page 44
Advanced Viewing and Rendering……Page 45
Making Attribute Data Work for You……Page 56
Viewing Raster Data……Page 67
Improving Rendering with Pyramids……Page 73
Intelligent Rasters……Page 76
Simple Digitizing……Page 81
Editing Attribute Data……Page 89
More Digitizing and Editing……Page 90
Common Formats……Page 91
Choosing a Standard Format……Page 93
Conversion Options……Page 96
Introduction……Page 98
Open Source Spatial Databases……Page 99
Getting Started with PostGIS……Page 101
Using PostGIS and Quantum GIS……Page 110
Using PostGIS and uDig……Page 118
Summing It Up……Page 119
Digitizing……Page 120
Importing Data……Page 122
Converting Data……Page 128
Using GPS Data with QGIS……Page 130
Georeferencing an Image……Page 135
Projections and Coordinate Systems……Page 138
Projection Flavors……Page 139
Working with Projections……Page 140
The PROJ.4 Projections Library……Page 145
More Resources……Page 148
Geoprocessing……Page 149
Projecting Data……Page 150
Line-of-Sight Analysis……Page 153
Hydrologic Modeling……Page 156
Creating Hillshades……Page 159
Merging Digital Elevation Models……Page 164
Clipping Features……Page 166
GMT……Page 174
Using GDAL and OGR……Page 186
Creating a Spatial Index for Shapefiles……Page 201
PostGIS……Page 203
Getting the Most Out of QGIS and GRASS Integration……Page 208
Loading and Viewing Data……Page 209
Editing GRASS Data with QGIS……Page 211
Using Analysis and Conversion Tools……Page 218
Summing It Up……Page 233
GRASS……Page 235
QGIS……Page 236
GDAL and OGR……Page 248
PostGIS……Page 255
Options for Writing Your Application……Page 263
Examples of Custom Applications……Page 265
How to Approach Your Own Project……Page 267
Survey of Desktop Mapping Software……Page 269
GUI Applications……Page 270
Command-Line Applications……Page 283
Other Tools……Page 289
GRASS……Page 290
Quantum GIS……Page 292
GMT……Page 293
FWTools……Page 295
Location, Location, Location……Page 296
Getting Some Data……Page 306
Working with Data……Page 315
Getting to Know the GUI……Page 319
Digitizing and Editing……Page 322
Vector Properties and Symbology Options……Page 330
Map Navigation and Bookmarks……Page 336
Plugins……Page 339
D……Page 343
G……Page 344
P……Page 346
S……Page 347
V……Page 348
Z……Page 349
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