---
title: Brush tool
slug: task-view-guide/brush-tool
docTags: HwtTk8REjOJ9kn6SIeJtW
createdAt: 2023-09-26T12:44:08.628Z
---

:::::ExpandableHeading
## Drawing process

::::WorkflowBlock
:::WorkflowBlockItem
Select a class
:::

:::WorkflowBlockItem
The cursor should take the shape of a circle.
:::

:::WorkflowBlockItem
Press and drag the cursor across the points and areas you want to classify as the chosen class. 
:::
::::

::Image[]{src="https://app.archbee.com/api/optimize/wLEz_RbWP6nIMpY-prjlm/GagVQPRGZfQcRqoydVWrZ_brush.gif" size="50" width="792" height="406" position="center" caption="Brushing" showCaption="true"}
:::::

:::hint{type="info"}
The circle of the brush takes the color of the class. The brush size can be increased or decreased by holding down `shift` while using the scroll wheel.
:::

:::ExpandableHeading
## The Cylinder brush

The **Cylinder brush** is excellent at coloring large areas of the point cloud.

When pressing the left mouse button, the brush will color each unlocked point inside the circle until the button is released. All points inside the circle will be colored with the chosen class color.

::Image[]{src="https://api.archbee.com/api/optimize/wLEz_RbWP6nIMpY-prjlm/4pOsUzRCVHTJdb-LlwR3G_brush-shape-cylinder.gif" size="70" width="1000" height="500" position="center" caption="Use the cylider brush to quickly classify large areas" showCaption="true"}
:::

:::ExpandableHeading
## The Sphere brush

The **Sphere brush** excels at details and hard-to-reach spots.

When the *sphere brush* is active, the points under the mouse pointer will become larger, highlighting which points will be colored when you press the left mouse button. 

As with the *cylinder brush, *you will continuously color the points while moving the mouse until you release the left mouse button. All unlocked points inside the circle will be colored with the chosen class color.

::Image[]{src="https://api.archbee.com/api/optimize/wLEz_RbWP6nIMpY-prjlm/Mq-d1L225cYWfjVlaw50__brush-shape-sphere.gif" size="70" width="1000" height="500" position="center" caption="The sphere brush shape is good for classifying details" showCaption="true"}
:::