ArcGIS urban living area land suitability evaluation (IV)

3、 Stay away from industrial areas ：（ Theoretically, the farther away from the industrial area , The more livable ）
distance 1000 Meters above （4 level ）
distance 200~1000（3 level ）
distance 100~200（2 level ）
distance 0~100（1 level ）

1： Neighborhood Analysis .
2： Multi ring buffer .
3： Select industrial area data .
4： Put the buffer distance 100、200、1000、5000 etc. .
5： choice “ rice ”.

1： Analysis tools .
2： Superposition analysis .
3： to update （ There is no polygon of the industrial zone itself in the above data , Supplement its internal with update overlay ）.

From the table above, we can see ,5 and 6 Is the increase of industrial areas , The field value is 0, Indicates that it is located within the scope of the industrial zone .


1： Selection field , Right click , Field calculator .
2：VB Script .
3： Show code blocks .
4： Enter the code .
5：value.
The following is the specific content of the code ：
value=4
if [distance]=100or [distance]=0 then
value=1
elseif [distance]=200 then
value=2
elseif [distance]=1000 then
value=3
elseif [distance]=5000 then
value=4
end if

submit a memorial to the emperor , You can see the result of the evaluation value .
The following is the operation of surface to grid .
Convert to raster data ：

1： Convert to grid .
2： Surface to grid .
3： Data elements .
4： Selection field .
5： Output results .
6： Pixel size 10 rice （ Ensure that all grid data is 10*10 m ）.