arcgis字段计算器python最大余数法计算面积百分比

直接上代码，环境ARCMAP10.8.2jishu = 0fname = ""def autoIncrement(a, b, c): #采用最大余数法； a为BSM，b为面积百分比整数部分，c为通过频数整数部分求和与100的差值。此代码排除了差值为负数的情况并且在此之前需要根据BSM与小数部分进行排序。global jishuglobal fnameglobal recif a != fname and c > 0:fname = apStart = 1jishu = pStartrec = pStart + breturn recelif a != fname and c == 0:fname = apStart = 1jishu = pStartrec = breturn recelif a == fname and c == 0:fname = apStart = 1jishu = jishu + pStartrec = breturn recelse:fname = apStart = 1jishu = jishu + pStartif jishu > c:rec = breturn recelse:rec = pStart + breturn rec