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Thread: panning a map

  1. #1
    Registered User
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    May 2009
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    Question panning a map

    hi all,
    i very new to symbian.. i am developing an application where in the user can
    login and pan or move through a map using the arrow keys..
    can anyone guide me in the implementation.. i have loaded a map tile
    and am able to move through using the arrow keys.. but what about the entire
    map.. how can i dynamically load an image while moving.. please help!

    thanks in advance..

  2. #2
    Nokia Developer Moderator
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    Re: panning a map

    I am not sure about which part is the Symbian-related one in your question.
    You are already aware of the concept of tiles. You can load and display an image. Even move it. Then where is the problem? I assume you also know about the existence of arrays.

  3. #3
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    Re: panning a map

    ok.. but then the tile is a downloaded image..
    i have created an mbm file and loaded the image from it..
    now it has to be made dynamic.. is it possible..
    kindly bare with me.. im very new to symbian..

  4. #4
    Nokia Developer Moderator
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    Re: panning a map

    Oh, I see.
    Depending on what kind of download mechanism you intend to use, you can download for HTTP or bare-handed socket based communication, both of them are documented well. RHTTPSession and RSocket are the relevant classes you can search for in the Wiki and the DiBo. Even the SDK-s have related examples (you can do a file search for these classes), and FN also provides some: Tools, Docs & Code above, Documentation, Symbian C++, Networking.
    When you have the data, you can either save it to a file, and load as you previously did (it can make sense actually, since you could employ some kind of caching mechanism then, preserving the data even when your application is not running), or use CImageDecoder which can decode several file types, even from a descriptor stored in the memory. It is also documented and discussed, so search for it too - and related example is in the Multimedia section of the same location described previously.

  5. #5
    Registered User
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    May 2009
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    Re: panning a map

    hey thanks a lot for that..

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