---
title: "Options"
url: "https://help.maxon.net/c4d/en-us/Content/html/TOOLDOODLE-MDATA_MAINGROUP.html"
section_path: "Tools Menu > Doodle (sketching) > Doodle > Options"
element_id: "TOOLDOODLE"
group_id: "MDATA_MAINGROUP"
description: "Opacity refers to the level of transparency with which the color or eraser is applied. The Pressure setting is for the graphics tablet pen."
---

## Options

### Color

Parameter ID: `MDATA_DOODLE_COLOR`

Defines the brush color.

### Opacity

Parameter ID: `MDATA_DOODLE_OPACITY` · Range: [0..100%]

### Pressure

Parameter ID: `MDATA_DOODLE_OPPRESSURE`

**Opacity** refers to the level of transparency with which the color or eraser is applied. The **Pressure** setting is for the graphics tablet pen.

### Size

Parameter ID: `MDATA_DOODLE_SIZE` · Range: [0.00..+∞]

### Pressure

Parameter ID: `MDATA_DOODLE_SIPRESSURE`

The **Size** option defines the diameter of the Doodle brush. The **Pressure** setting is for the graphics tablet pen.

Note that the radius of the brush tip depends on the **Size X/Size Y**setting (Doodle object: **Options** tab): The internal bitmap will always be scaled to the Viewport size.

### Hardness

Parameter ID: `MDATA_DOODLE_HARDNESS` · Range: [0..100%]

### Pressure

Parameter ID: `MDATA_DOODLE_HAPRESSURE`

The **Hardness** setting defines the hardness or softness of the brush edge. The smaller the value, the softer, more transparent the edge. The **Pressure** setting is for the graphics tablet pen.

### Spacing

Parameter ID: `MDATA_DOODLE_SPACING` · Range: [0..100%]

This value defines the intervals between color application during painting. Lower **Opacity** and **Hardness** values make the effects of this option more visible.

### Auto-Add Frames

Parameter ID: `MDATA_DOODLE_AUTOFRAME`

If active, a new Doodle Key will be created (if none already exists) at each new frame in the animation where doodling takes place.