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Arcmap|assign values to different categories of IDS with the field calculator

2022-06-30 21:22:00 【difizuhvovs】

At first my id There are four categories , Namely 1、2、3、4, Type is empty .
Then I want to separate 1、2、3、4 The type of rice 、 Other 、 corn 、 soybean .
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The specific operation steps are ：
① Right click 【 type 】, Open the field calculator .
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② This is the operation interface .
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③ stay 【 Pre logic script code 】 Enter the following code . This code is a simple python function .

def Reclass(WellYield):
    if (WellYield == 1)
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