漏洞
The prescribed Python syntax for complex conditional expressions does not work outside of the Raster Calculator.
| 漏洞 ID 编号 | BUG-000087994 |
|---|---|
| 已提交 | June 1, 2015 |
| 上次修改时间 | June 5, 2024 |
| 适用范围 | ArcGIS for Desktop |
| 找到的版本 | 10.0 |
| 操作系统 | Windows OS |
| 操作系统版本 | 7 64 Bit |
| 状态 | Known Limit |
附加信息
The expression below won''t work in python, because map algebra take raster object as input, while "Random1.tif" would be treated as string but not raster in the expression ""Random1.tif">0.1". >>> Con(("Random1.tif" > 0.1),"Random1.tif",Con(("Random2.tif">0.1),"Random2.tif",0.1)) In stead, defining a raster object first for this layer, then the complex expression should work. >>> rasob = arcpy.sa.Raster("Random1.tif") >>> outras = Con((rasob > 0.1),"Random1.tif",Con((rasob> 0.1),"Random2.tif",0.1))解决办法
Using the syntax containing the <where_clause> parameter from the following help resources, it is still possible to create complex Conditional expressions. 10.0: http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//009z00000008000000.htm. 10.2: http://resources.arcgis.com/en/help/main/10.2/index.html#//009z00000008000000. 10.3: http://desktop.arcgis.com/en/desktop/latest/tools/spatial-analyst-toolbox/conditional-evaluation-with-con.htm.重现步骤
漏洞 ID: BUG-000087994
软件:
- ArcGIS for Desktop
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