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Thread: Maping a value in python

  1. #1
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    Maping a value in python

    I was wondering if there was a way to map values in python. When programing the arduino there is a way to take a value and convert it into a smaller or larger value. This function for arduino is called map. After searching the web I discovered that the map function in python is used differently. Here is what an arduino map function would look like "map(val, 0, 180, 0, 90)". This would take the integer "val" which will be between 0 and 180 and convert it to a number between 0 and 90. I could not find the mathematical formula that the arduino uses to do this so my question is how can I do this in python either mathematically or using a function?
    Dalton Caughell

  2. #2
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    Re: Maping a value in python

    From the map function documentation on Arduino.cc :
    Appendix

    For the mathematically inclined, here's the whole function
    long map(long x, long in_min, long in_max, long out_min, long out_max)
    {
    return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
    }
    "If A is a success in life, then A equals x plus y plus z. Work is x; y is play; and z is keeping your mouth shut."
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    Einstein

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