Google Maps API 3

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■ CONTENTS ■ Chapter 8: Creating Polylines and Polygons....................................................157 Creating Polylines. ......................................................................................................157 Creating a Simple Polyline....................................................................................................................158 Polyline Arrays......................................................................................................................................163 Plotting Your Own Path.........................................................................................................................163 Creating Polygons. ......................................................................................................166 Creating a Simple Polygon ...................................................................................................................166 Creating Donuts....................................................................................................................................170 Creating a Polygon with a Highlight Effect . .........................................................................................173 The Bermuda Triangle ..........................................................................................................................173 Summary . ...................................................................................................................176 ■ Chapter 9: Dealing with Massive Numbers of Markers ...................................177 Too Many Markers?. ...................................................................................................177 Reducing the Number of Markers Being Displayed. ...................................................179 Searching .............................................................................................................................................179 Filtering ................................................................................................................................................180 Don’t Always Use Markers....................................................................................................................181 Clustering .............................................................................................................................................181 Some Practical Examples . ..........................................................................................182 The Starting Point.................................................................................................................................183 Calculating the Current Map Boundaries. ............................................................................................183 Adding the Markers ..............................................................................................................................185 The Final Code......................................................................................................................................187 Third-Party Libraries. ..................................................................................................188 MarkerClusterer....................................................................................................................................188 MarkerManager....................................................................................................................................195 Summary . ...................................................................................................................210 x
■ CONTENTS ■ Chapter 10: Location, Location, Location.........................................................211 Geocoding....................................................................................................................211 Restrictions.........................................................................................................................................211 The Geocoder Object ..........................................................................................................................212 Building an Address Lookup Web Page..............................................................................................212 Reverse Geocoding......................................................................................................223 Building a Reverse Geocoding Map....................................................................................................223 The Complete Code for This Example.................................................................................................227 Finding the Location of the User..................................................................................229 IP-Based Geocoding ...........................................................................................................................229 Creating a Location-Aware Map.........................................................................................................230 The Complete JavaScript Code for This Example...............................................................................234 Getting Better Accuracy......................................................................................................................235 Summary .....................................................................................................................242 ■ Appendix: <strong>API</strong> Reference..................................................................................243 How to Read the Reference .........................................................................................243 Data Types..........................................................................................................................................243 The Namespace...........................................................................................................244 The Reference..............................................................................................................244 Map Class ...........................................................................................................................................244 MapOptions Object .............................................................................................................................248 MapTypeId Class ................................................................................................................................249 MapTypeControlOptions Object ..........................................................................................................250 MapTypeControlStyle Class................................................................................................................250 NavigationControlOptions Object........................................................................................................251 NavigationControlStyle Class..............................................................................................................251 ScaleControlOptions Object................................................................................................................252 ScaleControlStyle Class......................................................................................................................252 ControlPosition Class..........................................................................................................................252 MapPanes Object................................................................................................................................254 xi
Page 1: THE EXPERT’S VOICE ® IN WEB DEVE
Page 4 and 5: Beginning Google Maps API 3 Copyrig
Page 6 and 7: Contents at a Glance Contents......
Page 8 and 9: ■ CONTENTS Creating a Map .......
Page 10 and 11: ■ CONTENTS Automatically Adjustin
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Page 16 and 17: About the Technical Reviewer ■ Ro
Page 18 and 19: Introduction This book started out
Page 20 and 21: CHAPTER 1 ■ INTRODUCING THE GOOGL
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CHAPTER 4 ■ TAKING THE MAP FURTHE
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CHAPTER 5 ■ X MARKS THE SPOT Figu
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CHAPTER 5 ■ X MARKS THE SPOT List
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CHAPTER 5 ■ X MARKS THE SPOT What
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CHAPTER 6 ■ MARKER ICONS Changing
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CHAPTER 6 ■ MARKER ICONS Figure 6
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CHAPTER 6 ■ MARKER ICONS ■ Note
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CHAPTER 6 ■ MARKER ICONS Using Sp
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CHAPTER 6 ■ MARKER ICONS Origin t
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CHAPTER 6 ■ MARKER ICONS Google M
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CHAPTER 6 ■ MARKER ICONS Defining
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CHAPTER 6 ■ MARKER ICONS A Clever
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CHAPTER 6 ■ MARKER ICONS Adding D
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CHAPTER 6 ■ MARKER ICONS Benefits
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C H A P T E R 7 ■ ■ ■ InfoWin
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CHAPTER 7 ■ INFOWINDOW TIPS AND T
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CHAPTER 8 ■ CREATING POLYLINES AN
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CHAPTER 9 ■ DEALING WITH MASSIVE
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CHAPTER 10 ■ LOCATION, LOCATION,
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APPENDIX ■ API REFERENCE The Name
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APPENDIX ■ API REFERENCE Method R
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APPENDIX ■ API REFERENCE MapOptio
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APPENDIX ■ API REFERENCE Constant
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APPENDIX ■ API REFERENCE ScaleCon
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APPENDIX ■ API REFERENCE MapPanes
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APPENDIX ■ API REFERENCE Table A-
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APPENDIX ■ API REFERENCE Event Ar
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APPENDIX ■ API REFERENCE Property
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APPENDIX ■ API REFERENCE Geocoder
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APPENDIX ■ API REFERENCE LatLng C
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APPENDIX ■ API REFERENCE Method R
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APPENDIX ■ API REFERENCE MVCObjec
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• • • Index •A addDomListen
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•INDEX latency, 111 limits on dow
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•INDEX prime meridian, 4 x proper
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•INDEX addListener() see addListe
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•INDEX building address lookup we
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•INDEX handleError function build
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•INDEX size of, 137 v2/v3 compare
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•INDEX creating zoom-in link in I
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•INDEX adding rich content to Inf
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•INDEX maxZoom property, 209 mini
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•INDEX Map object, 247 Marker cla
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•INDEX creating donuts, 170 fillC
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•INDEX MapTypeId class, 51, 52, 2
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•INDEX src attribute, video eleme
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•INDEX streetViewControl, 59—61
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Google Maps API 3

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