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Thread: inverting map colors.

  1. #1
    Constant Bitrate anik321's Avatar
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    inverting map colors.

    Im new to GPS. Infact I havent even installed one in mine. But the other day i was in a G35, where I saw the coolest thing ever. The colors of the map inverts depending on daylight conditions. The car entered a tunnel, and the map instantly flipped colors.

    Has anyone done this ? I was thinking maybe a small photocell module connected through the serial port ? Then again the program itself would have to recognise this.

    Before someone bashes my head in -> I search the forum a little, but I didnt know exactly what keywords to search for. Nothing turned up.

  2. #2
    Raw Wave god_of_cpu's Avatar
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    This feature is usually called night mode or something like it and most real-time nav programs have it although its usually done through software and not hardware.
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  3. #3
    Raw Wave Laidback's Avatar
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    Quote Originally Posted by anik321
    Has anyone done this ? I was thinking maybe a small photocell module connected through the serial port ?
    Maybe when the headlights were turned on?

  4. #4
    FLAC edrex's Avatar
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    ^^Thats probably it. The G35 has Auto headlights like I do in my Altima, and if I enter a tunnel it turns them on, when you exit it will turn them off.
    This brings up an interesting idea for Frontends in general: Is there a way to connect to the headlights to automatically go from Day/Night mode?
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  5. #5
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    nRoute from Garmin inverts colors automatically in the evening.

  6. #6
    Raw Wave Laidback's Avatar
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    Quote Originally Posted by edrex
    ^^Thats probably it. The G35 has Auto headlights like I do in my Altima, and if I enter a tunnel it turns them on, when you exit it will turn them off.
    This brings up an interesting idea for Frontends in general: Is there a way to connect to the headlights to automatically go from Day/Night mode?
    It's easy enough, as long as the nav proggy supports it and there is an SDK. I don't know of any front-ends that include it though!

  7. #7
    Raw Wave rando's Avatar
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    Quote Originally Posted by edrex
    Is there a way to connect to the headlights to automatically go from Day/Night mode?
    The circuit here can do what you want. You'd still need to get a front-end to support it. FP currently uses time of day to trigger day/night skins but it's probably not a huge deal for the monkey to add support for the hardware trigger. Simply serial input circuit

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