Examples of Logarithmic tool output on floating-point input

Available with Spatial Analyst license.

Available with Image 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.