---
title: "Log"
url: "https://help.maxon.net/c4d/en-us/Content/html/COM_REDSHIFT3D_REDSHIFT4C4D_NODES_CORE_RSMATHLOG.html"
section_path: "The Node Editor > Redshift Nodes > Redshift Math Nodes > Math Float Nodes > Log"
element_id: "COM_REDSHIFT3D_REDSHIFT4C4D_NODES_CORE_RSMATHLOG"
description: "This page documents the Log node of the Redshift renderer in Cinema 4D. It returns the logarithm of its input to a selectable base — flexible logarithmic …"
---

# Log

> **Note:** **What is it about?**
>
> This page documents the **Log node** of the Redshift renderer in **Cinema 4D**. It returns the logarithm of its input to a selectable base — flexible logarithmic remapping within shader math.

Returns the logarithm of *Input* to *Base*.

> **Note:** This is the inverse function of Pow.

## In this section

- [Preview](https://help.maxon.net/c4d/en-us/Content/html/COM_REDSHIFT3D_REDSHIFT4C4D_NODES_CORE_RSMATHLOG-NET_MAXON_NODE_BASE_PREVIEW.html.md)
- [Basic](https://help.maxon.net/c4d/en-us/Content/html/COM_REDSHIFT3D_REDSHIFT4C4D_NODES_CORE_RSMATHLOG-NET_MAXON_NODE_BASE_GROUP_BASIC.html.md)
- [Inputs](https://help.maxon.net/c4d/en-us/Content/html/COM_REDSHIFT3D_REDSHIFT4C4D_NODES_CORE_RSMATHLOG-NET_MAXON_NODE_BASE_GROUP_INPUTS.html.md)
- [Outputs](https://help.maxon.net/c4d/en-us/Content/html/COM_REDSHIFT3D_REDSHIFT4C4D_NODES_CORE_RSMATHLOG-NET_MAXON_NODE_BASE_GROUP_OUTPUTS.html.md)