Master

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s Thesis 2006 

FACHHOCHSCHULE

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STUTTGART

TECHNIK

Conclusion 

        STUTTGART UNIVERSITY OF APPLIED 

SCIENCES 

The whole raster image could be read firstly and stored as byte array in memory of the 

mobile  devices.  Because  of  the  PNG  special  format,  each  area  can  be  found  its 

corresponding place in the byre array in one sequence. So if the image display moves 

outside  of  view  box  boundary,  the  client  can  load  one  part  conjoint  byte  array  from 

the whole array, and can redraw the byte array to image. 

4.2.2.3 

Support Google and Microsoft map database   

Google map comes new but has shown its multitudinous, amazing and attracting map 

search functions for all users and developers in very short time. The further 

development can base on Google or Microsoft map API. Those APIs let developers 

easily embed Google or Microsoft Maps in their own web pages with JavaScript. If 

users have need for placing Google Maps on your pages, their page must contain a 

script tag pointing to that URL, using the Maps API key

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  got from Google Map 

when users signed up for the API. If users

'

 Maps API key were "abcdefg", then their 

script tag might look like this: 

Listing 27: 

Embed Google Map in users own web page using JavaScript

For mobile client, the map API can also be embedded in application with J2ME. 

4.2.2.4 

LBS/GPS Functions   

LBS or GPS Functions could be added later to determine the location of the user, the 

user don

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t need to input the coordinate and the client can automatically and directly 

display the map of the location. 

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  A single Maps API key is valid for a single "directory" on your web server. 

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