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Beginning Google Maps Applications with Rails and Ajax - From Novice to Professional
Contents at a Glance
4
Contents
5
About the Authors
14
About the Technical Reviewer
16
Your First Google Maps
17
Google Maps and Rails
18
KML: Your First Map
19
Wayfaring: Your Second Map
20
Got Rails?
25
What’s Next?
26
Getting Started
28
On JavaScript, Helpers, and Plug- ins
28
Creating Your Rails Application
29
The First Map
29
Basic User Interaction
38
A List of Points
43
Summary
47
Interacting with the User and the Server
48
Adding Interactivity
48
Going on a Treasure Hunt
49
Reviewing Application Structure
50
Building on Your Application
51
Creating the Map and Marking Points
53
Listening to User Events
54
Asking for More Information with an Info Window
57
Implementing Ajax
67
Retrieving Markers from the Server
74
Adding Some Flair
77
Ajax with Prototype
80
Summary
82
Geocoding Addresses
83
Preparing the Address Data
83
Using Geocoding Web Services
87
Persisting Lookups
106
Building a Store Location Map
107
Summary
110
Beyond the Basics
111
Manipulating Third-Party Data
112
Using Downloadable Text Files
112
Screen Scraping
128
Summary
134
Improving the User Interface
135
CSS: A Touch of Style
136
Scripted Style
145
Data Point Filtering
153
RJS and Draggable Toolbars
156
Summary
157
Optimizing and Scaling for Large Data Sets
158
Understanding the Limitations
158
Streamlining Server- Client Communications
159
Optimizing Server- Side Processing
161
Optimizing the Client- Side User Experience
193
Summary
205
What’s Next for the Google Maps API?
207
Driving Directions
207
Integrated Google Services
208
KML Data
210
More Data Layers
210
Beyond the Enterprise
212
Interface Improvements
212
Summary
214
Advanced Map Features and Methods
215
Advanced Tips and Tricks
216
Debugging Maps
216
Interacting with the Map from the API
217
Creating Map Objects with GOverlay
221
Creating Custom Controls
227
Adding Tabs to Info Windows
230
Creating a Custom Info Window
233
Implementing Your Own Map Type, Tiles, and Projection
244
Summary
267
Lines, Lengths, and Areas
269
Starting Flat
269
Moving to Spheres
274
Working with Polylines
282
What About UTM Coordinates?
290
Running Afoul of the Date Line
292
Summary
293
Advanced Geocoding Topics
294
Where Does the Data Come From?
294
Geocoding Based on Postal Codes
299
Using the TIGER/ Line Data
303
Summary
319
Appendixes
320
Finding the Data You Want
321
Knowing What to Look For: Search Tips
321
The Cat Came Back: Revisiting the TIGER/ Line
322
Airports in TIGER/ Line
324
The Government Standard: The GeoNames Data
325
Shake, Rattle, and Roll: The NOAA Goldmine
325
For the Space Aficionado in You
327
Google Maps API
329
class GMap2
329
class GMapOptions
335
enum GMapPane
336
class GKeyboardHandler
336
interface GOverlay
337
class GInfoWindow
338
class GInfoWindowTab
339
class GInfoWindowOptions
339
class GMarker
339
class GMarkerOptions
341
class GPolyline
342
class GIcon
343
class GPoint
344
class GSize
344
class GBounds
345
class GLatLng
346
class GLatLngBounds
347
interface GControl
347
class GControl
348
class GControlPosition
348
enum GControlAnchor
349
class GMapType
349
class GMapTypeOptions
350
interface GTileLayer
351
class GCopyrightCollection
352
class GCopyright
352
interface GProjection
353
class GMercatorProjection
354
namespace GEvent
354
class GEventListener
355
namespace GXmlHttp
356
namespace GXml
356
class GXslt
356
namespace GLog
356
class GDraggableObject
357
enum GGeoStatusCode
358
enum GGeoAddressAccuracy
358
class GClientGeocoder
358
class GGeocodeCache
359
class GFactualGeocodeCache
360
class GMarkerManager
360
class GMarkerManagerOptions
361
Functions
361
Index
362
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