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Wind Direction Xbasic

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  • Wind Direction Xbasic

    Don't laugh at my code if you can easily see how it could be more efficiently written!
    I did my best.

    So here's the scenario. I am using an openweathermap.org API to pull in the weather data, specifically the wind direction and speed. The wind direction comes back from them as the degrees of a circle, so 360 is the same as zero which would be North (N) as well as the first 11.25 degrees, 180 would be due south, 45 degrees NE, and 90 degrees E. I wanted to use the appropriate abbreviation based on the degree so I did some research and I think I got it!
    It took me all evening as I have never used an array, and not real familiar with math functions.

    I took some javascript i found and figured out how to make it work in xbasic...
    Again, what this does is display the right abbreviation based on the returned json data in the api call to openweathermaps.org.
    I thought I might share...and if you do see a way to make it better let me know - it was my first stab at this!
    The variable "purl" is a concatenated field to include the required URL with the lat & lon fields and my appid as required by the API


    Code:
    function weathercall as c (e as p)
        'debug(1)
        dim weathercall as c
    dim myresponse as p
    dim purl as c
    purl = e._currentRowDataNew.concat_coordinates
    myresponse = http_get(purl)
    dim pp as p
    pp = json_parse(myresponse.body,.t.)
    e.control.wind_speed = pp.wind.speed
    e.control.deg = pp.wind.deg
    dim num as n
    dim val as n
    dim mydir as c
    dim mydir2 as c
    dim numoff as n
    num = pp.wind.deg
    numoff = (num - 11.25)/22.5
        val= round(numoff,0)
        mydir = abs(val)
    
    dim arr[16] as p
        arr[1].0="N"
        arr[1].1="NNE"
        arr[1].2="NE"
        arr[1].3="ENE"
        arr[1].4="E"
        arr[1].5="ESE"
        arr[1].6="SE" 
        arr[1].7="SSE"
        arr[1].8="S"
        arr[1].9="SSW"
        arr[1].10="SW"
        arr[1].11="WSW"
        arr[1].12="W"
        arr[1].13="WNW"
        arr[1].14="NW"
        arr[1].15="NNW"
    
    mydir2 = arr.dump_properties(mydir)
    e.control.wind_direction = mydir2
    end function
    Screenshot shows the test UXweather.JPG made to build it
    NWCOPRO: Nuisance Wildlife Control Software My Application: http://www.nwcopro.com "Without forgetting, we would have no memory at all...now what was I saying?"

  • #2
    Re: Wind Direction Xbasic

    Very nice result. Well done.
    Insanity: doing the same thing over and over again and expecting different results.
    Albert Einstein, (attributed)
    US (German-born) physicist (1879 - 1955)

    Comment


    • #3
      Re: Wind Direction Xbasic

      Hi Paul,

      Any time you get things working the way you want, you've done a good job.
      With that said, you could just dim arr as p. No need for the [16].

      Comment


      • #4
        Re: Wind Direction Xbasic

        dim arr[0..15] as c
        arr.initialize( comma_to_crlf("N,NNE,NE,ENE,E,ESE,SE,SSE,S,SSW,SW,WSW,W,WNW,NW,NNW"))

        Comment


        • #5
          Re: Wind Direction Xbasic

          Very cool .. nicely done Charles.
          Alpha Anywhere v12.4.6.2.4 Build 7040-5530 IIS v10.0 on Windows Server 2019 Std in Hyper-V

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