Available with Spatial Analyst license.
The Logarithmic math tools can process both integer and floating-point input values. However, note that input values that are 0 or negative will be NoData in the output raster.
The following illustrations demonstrate the output values from both positive and negative floating-point inputs, as well as inputs of value 0.
Logarithmic tools on float input
Tool | Illustration and Python syntax |
---|---|
Ln | |
Log10 | |
Log2 |