Raster Calculator ArcGIS
In This Tutorial we will discuss, How to use Raster Calculator in ArcGIS.
The Raster Calculator executes a single Map Algebra expression, using Python syntax in a calculator-like interface.
Raster Calculator Tool
The Raster Calculator tool allows you to create and execute a Map Algebra expression that will output a raster. It can be used in Model Builder.
Open Raster Calculator tool in ArcMap, Open ArcToolbox, click Spatial Analyst Tools > Map Algebra> Raster Calculator.
How to use Raster Calculator in ArcGIS
- The available raster will be displayed in the Layers list.
- If you have entered a function name, you can right-click it and select the Usage option to see the command usage.
- Use the context help button
for more information on each of the elements of the Raster Calculator interface. - For more information on Map Algebra expressions, click the About Building Expressions button.
- Values and certain functions can be entered by their respective buttons. Additional functions like; Arithmetic, Trigonometric, Logarithmic, and Power are revealed by clicking the expand button
.
for more information on each of the elements of the Raster Calculator interface.
.The operators in the Raster Calculator tool:
| /(Division) | ==(Equal To) | !=(Not Equal) | &(Boolean And) |
| *(Multiplication) | >(Greater Than) | >=(Greater Than or Equal to) | |(Boolean Or) |
| -(Subtraction)(Negate) | <(Less Than) | <=(Less Than or Equal to) | ^(Boolean XOr) |
| +(Addition) | ~(Boolean Not) |
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