Proton BASIC Compiler - MedianFilter


  • PicŪ Basic


  • MedianFilter

    A library module for use with Library Manager by JohnGB. This module has been written by Tim Box (Tim on PDS forum). The library module is offered on an as-is basis with no warranty as to its effectiveness, operation or reliability. Users use it at their own risk.

    Adds a new command called MedianFilter

    Syntax

    MedianFilter Array, Elements

    Overview

    Returns the median of the array by performing a bubble sort on the array and selecting the resulting middle element.

    Operators

    Array – any Byte array

    Elements - a constant, or byte variable indicating the number of elements within the array to sort

    Code:
    Include "PROTON_4.inc"
    Dim myarray[10] As Byte
    Dim index As Byte
    Dim temp As Byte
    
        Seed $0345
    
        For index = 0 To 9
            temp = Random
            myarray[index] = temp
            HRSOut Dec temp,32
        Next
    
        HRSOut 10,13
        temp = MedianFilter myarray, 10
        HRSOut "the median of the array is ",Dec temp
    
        Stop
    The above example code will fill an array with random values then extract the middle value.
    Notes:

    The array will be rearranged. Where the array is an even number the lower of the middle elements will returned.


    Download module

    Download: MedianFilter
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