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عنوان: Yahoo! Maps Mashups (Wrox Mashup Books)
مؤلف: Charles Freedman
مترجم: -
ناشر: Wrox
سال انتشار: 2007
امتیاز آمازون:
تعداد صفحات: 353
شابک: 0470097787
شابک(13): 9780470097786
مشخصات: xxvi, 353 p. : ill., maps ; 24 cm.
رده بندی کنگره: G70.212
دیویی: -
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نوع فایل: PDF
حجم فایل: 4.01 مگابایت
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چکیده
Written by Charles Freedman, a senior Flash developer at Yahoo!, this book provides you with all the information you’ll need to know about APIs in order to build amazing map mashups. You’ll find in-depth coverage of Yahoo! mapping tools and technologies and a variety of techniques for working with the APIs. Yahoo! Maps Mashups explores each API flavor, guiding you through the simple yet comprehensive sets of API calls so that you will gain a strong understanding of the capabilities of each map technology through its respective API.
 
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Learn how to use Yahoo! Maps t


Yahoo Maps was the 2nd interactive mapping service behind GoogleMaps almost two years ago. The main differences between the two are that Yahoo included three different types of API services which include a Simple Maps API that just lets the developer place points of interest on the Yahoo Maps site (not your own web site) by using actual physical addresses which converts (geocoding) it to latitude and longitude for you. The second type of API Yahoo provides is the Ajax/DOM which allows you to create a fully customizable map on your web page. The third API comes in three different types actually which is a Flash/ActionScript, Flash/JavaScript and Flex version.

This book covers all versions of the Yahoo! Mapping APIs a lot better than the online documentation from Yahoo. First off the author talks about the four types of mapping apis and the specific common features tools (widgets) like zooming, panning, geocoding, overlays, and navigation types. A very good starter to whet your appetite for things to come.

The second chapter talks about obviously what this book is about, mashups. Mashups are simply a mixture of two or more sources of content that creates a new web application. Of course this is where web 2.0 started and the author gives a great explanation of this phenomenon that happened the in the past 2 years. The author goes through its explanation by giving examples of mashup content sources like flickr, HotJobs, Upcoming.org, etc.

Then the author gets right into Yahoo Ajax API first, with an explanation of what Ajax is, some fundamentals of JavaScript (variables, functions, methods, objects) and the XMLHttpRequest object. The following chapter gets into more detail of using the Ajax API with first getting the Application ID and how to integrate its classes in your web page. The next chapter shows how to use the basic methods of the API consisting of setZoomLevel(), get ZoomLevel0, setMapType(), drawzoomandCenter(), etc. The author shows some easy to follow simple examples to get you started. Continued in chapter 6, advanced features such as using mapping markers, adding overlays, and integrating them with GeoRSS data. Some very cool examples that cannot be described properly until you see it for yourself.

Then in chapter 7, the author goes in to the meat and potatoes of the book with showing you how to create your first mashup with using flickr. The example shows the reader how to integrate the flickr api with photos and mapping them to a Yahoo! custom map. Details covering transferring data with JSON and creating a callback and request. most of the code itself is hidden with the api so a lost of the coding is not needed to know.

The rest of the book goes through the same process in explaining the other types of apis such as the flash and flex api. The author has a great of explaing just enough to get the point across with going into too much detail, like when using other tools such as flash. I like how the author doesn't try to overload the reader like other books and gives the information in "easy to swallow" bites. This book assumes no programming knowledge or development experience, but of course it would be helpful. The author takes it step-by-step in explaining each technique in showing examples along the way with short chapters.

This first book on creating mashups using the Yahoo Maps API is really a great way to create some very cool web applications with a limited amount of time and coding. It helps put in perspective what the next generation of web apps will become.
 
Wednesday, February 07, 2007

 
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