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What does a raster calculator do?
The Raster Calculator tool allows you to create and execute Map Algebra expressions in a tool. Like other geoprocessing tools, the Raster Calculator tool can be used in ModelBuilder, allowing the power of Map Algebra to be more easily integrated into your workflows.
How do I reclassify raster in Arcmap?
- Click the Spatial Analyst dropdown arrow and click Reclassify.
- Click the Input raster dropdown arrow and click the raster with the values you want to reclassify.
- Click the Reclass field dropdown arrow and click the field you want to use.
- Click the Classify button.
How do you convert meters to US survey feet?
Metric. The Mass State Plane coordinate system is metric but may be converted to U.S. survey feet by multiplying meters by the fraction 3937/1200 (not 3.28084).
How is the raster calculator used in ArcGIS Pro?
Like other geoprocessing tools, the Raster Calculator tool can be used in ModelBuilder, allowing the power of Map Algebra to be more easily integrated into your workflows. The Raster Calculator tool is not intended to be used in scripting environments and is not available in the standard Spatial Analyst ArcPy module.
How to use layer names in raster calculator?
Only in the Raster Calculator tool dialog box can layer names be used directly with operators. When working in Python itself, layers must first be cast as Raster objects. Similarly, only in the tool dialog box can Raster Calculator variables be contained within percent signs ( %) or quotation marks ( ” ).
When to use equals sign in raster calculator?
Since there is a specific output parameter in the Raster Calculator tool dialog box, Map Algebra expressions do not include an output name and an equals sign ( =) when using the Raster Calculator. Only in the Raster Calculator tool dialog box can layer names be used directly with operators.
How to capitalize expressions in raster calculator in Python?
Since the expression entered in the Raster Calculator tool will be executed in Python, and Python is case sensitive, it is important to use the correct capitalization of the tool name. For example, to use the IsNull tool, be sure to type it as IsNull, instead of Isnull or isnull.