Corel Painter Help | Adjusting Liquid Ink lighting

Some features described in the Help are available only in Corel Painter 2018, and are not included in Painter Essentials 6. For more information about Corel Painter 2018, visit http://www.painterartist.com/. To get started with Painter Essentials 6, see the Painter Essentials 6 Quick Start Guide.

Quick links to procedures on this page:

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To adjust ambient lighting

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To add, remove, or modify a directional light source

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To adjust the intensity and brightness of directional light

Adjusting Liquid Ink lighting

You can use the Surface Lighting controls to give the appearance of depth to Liquid Ink brushstrokes. These controls are global — they affect all Liquid Ink brushstrokes on all layers.

Surface lighting can include ambient lighting and directional lighting.

Adjusting ambient lighting

You can increase or decrease the ambient lighting in the image. The angle of the light does not change, only the brightness. Ambient lighting can be used in combination with directional light sources.

Setting directional light sources

You can adjust surface lighting by using directional light sources, which illuminate the brushstroke from a certain angle. You can use preset (simple) lighting or custom lighting. With simple lighting, you can choose one of eight preset lights. With custom lighting, you can add more light sources, and you can move and delete light sources.

By adjusting the lighting angle and adding multiple light sources, you can adjust the appearance of depth of Liquid Ink brushstrokes.

The lighting sphere shows all possible surface angles and how the lights illuminate them. The light indicators on the sphere show the position of all light sources.

When you disable the Simple lighting option, the lighting sphere appears with a single light indicator. You can then add more light sources and change their position.

In addition, you can change the color of a light source. For example, you can have multiple colored lights interact with the depth to produce different textural effects. You can also adjust the intensity and brightness of directional light.

To adjust ambient lighting

Choose Canvas

Surface Lighting.

In the Ambient Lighting area, make sure that the Ambient lighting check box is enabled.

Move the Brightness slider.

To remove ambient lighting, disable the Ambient lighting check box.

To add, remove, or modify a directional light source

Choose Canvas

Surface Lighting.

In the Directional Lighting area, perform an action from the following table.

To	Do the following
Add a preset light source	Enable the Simple lighting check box, and click a light indicator on the lighting sphere.
Add a custom light source	Disable the Simple lighting check box, and click on the lighting sphere where you want to add a new light source. A new light indicator (small circle) appears where you click.
Delete custom light sources	Move the Lights slider to the left.
Add custom lights along a circular path	Disable the Simple lighting check box, and move the Lights slider.
Change the position of a custom light source	Drag a light indicator to a new position on the sphere.
Change the light color	Click a lighting indicator, click the Light Color chip, and choose a color.

If the brushstroke doesn’t have any height, the lighting effects are not visible. To increase the height of the brushstroke, double-click the Liquid Ink layer in the Layers panel, and in the Liquid Ink Layer Attributes dialog box, adjust the Amount slider.

To adjust the intensity and brightness of directional light

Choose Canvas

Surface Lighting.

In the Directional Lighting area, adjust any of the following sliders:

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Brightness — controls how much light the light source contributes to the overall lighting color

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Concentration — adjusts the spread of the light over the surface

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Exposure — adjusts the overall lighting amount from darkest to brightest

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