Params
        numeric ma_length(20);

Vars
        series<Numeric> ma20;
        Global array<Numeric> gant_data;
        Global array<Numeric> gant;
        plot gant_plot;
        Numeric column_number;
        Numeric size;
        Numeric width;
Events
    OnInit()
    {
        printclear;
        gant_plot.figure(1);
        gant_plot.setOption("gant","fill",true);
        gant_plot.setOption("target","fill",true);
        gant_plot.setOption("gant", "color", white);
        gant_plot.setOption("target", "color", Yellow);
    }
    OnBarOpen(ArrayRef<Integer> indexes)
    {
        
        If(CurrentBar==ma_length)
        {
            gant_data[0] = ma20[1];//输入点
        }
        If(CurrentBar>ma_length)
        {
            numeric i;
            print("currentbar="+text(CurrentBar));
            print("数组大小="+text(GetArraySize(gant_data)));
            for i = 0 to GetArraySize(gant_data)-1
            {
                If(ma20[1] > gant_data[i]) Continue;
                Else
                {
                    ArrayInsert(gant_data,i,ma20[1]);
                    Break;
                }
            }
            print("i="+text(i));
            print("数组大小="+text(GetArraySize(gant_data)));
            if(i == GetArraySize(gant_data))
            {
                gant_data[i] = ma20[1];
                print("尾部插入");
            }
        }
        //bar开盘时把上一根bar的数据插入
    }
    OnBar(ArrayRef<Integer> indexes)
    {
        ma20 = Average(close,ma_length);
        PlotNumeric("ma20",ma20);
        //决定画几个分段
        column_number = 5;
        
        If(BarStatus == 2)  
        {
            size = GetArraySize(gant_data);
            width = round((gant_data[size-1]-gant_data[0])/column_number,0);
            print(TextArray(gant_data));
            print("column_number=" + text(column_number));
            print("size =" + text(size));
            print("width =" + text(width));
            numeric i = 0;
            Numeric j = 0;
            Numeric numb = 0;
            for i = 0 to size - 1//构造直方图统计数据
            {
                If(gant_data[i] > gant_data[0] + (j + 1)*width)
                {
                    gant[j] = numb;
                    j = j + 1;
                    numb = 0;
                }
                numb = numb + 1;
            }
            numeric sum;
            for i = 0 to column_number - 2//作图
            {
                sum = sum + gant[i];
                print("ma20="+text(ma20));
                print(text(gant_data[0] + i*width));
                print(text(gant_data[0] + (i + 1)*width));
                If(ma20>gant_data[0] + i * width and ma20<=gant_data[0] + (i + 1)*width)
                {
                    gant_plot.barv("target", i, gant[i]);
                    print("作图");
                }Else
                {
                    gant_plot.barv("gant", i, gant[i]);
                }
            }
            gant[column_number - 1] = size - sum;
            If(ma20>gant_data[0] + (column_number - 1) * width)
            {
                gant_plot.barv("target", i, gant[i]);
                print("作图");
            }
            gant_plot.barv("gant", column_number - 1, gant[column_number - 1]);
            //print(TextArray(gant));
        }
    }