Contents

# Illumination

Define the light source for the selected 3-D object.

Illumination

To access this command...

Open the context menu of the 3-D object, choose 3-D Effects - Illumination tab.

## Illumination

Specify the light source for the object, as well as the colour of the light source and of the ambient light. You can define up to eight different light sources.

## Light source

Click twice to turn the light source on, and then select a colour for the light from the list. If you want, you can also set the colour of the surrounding light, by selecting a colour from the Ambient light box. You can also press the Spacebar to turn the light source on or off.

Light is on

Light is off

### Colour Selection

Select a colour for the current light source.

### Select Colour in the colour dialogue box

LibreOffice lets you define custom colours using a two-dimensional graphic and numerical gradient chart of the Pick a Colour dialogue box.

Press the Colour Dialogue Box button in the Illumination tab of the 3-D Effects dialogue box.

## Ambient light

### Colour Selection

Select a colour for the ambient light.

### Select Colour Through the Colour Dialogue Box

LibreOffice lets you define custom colours using a two-dimensional graphic and numerical gradient chart of the Pick a Colour dialogue box.

Press the Colour Dialogue Box button in the Illumination tab of the 3-D Effects dialogue box.

## Preview

Displays a preview of the light source changes.

### Apply

Click here to apply the properties shown in the dialogue box to the selected object.

Apply

### Update

Click here to view in the dialogue box all the properties of the selected object.

Update

### Preview Field

Displays a preview of the current selection.

### Convert to 3-D

Use this icon to convert a selected 2D object to a 3D object. You can also select several 2D objects and convert them to one single 3D object. To convert a group of 2D objects to 3D, you must first ungroup the selected objects.

Convert to 3-D

### Convert to Rotation Object

Click here to convert a selected 2D object to a 3D rotation object. You can also select several 2D objects and convert them to one single 3D rotation object. To convert a group of 2D objects to 3D, you must first ungroup the selected objects.

Convert to Rotation Object

### Perspective On/Off

Click here to turn the perspective view on or off.

Perspective On/Off