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3. Basics of PhotoLine

## 3.6 The Painting Matrix

The Painting Matrix controls how the brush (Brush Editor see chapter 3.5) behaves when painting with tools. It is therefore called via the Tool Settings:

Various painting properties are available, which can be changed depending on the graphics tablet or other values.

The lines are the painting properties:

- Intensity: the tool intensity
- Brush Size
- Angle: the brush rotation
- Roundness: the roundness of the brush
- Position: Controls the deviation of the tool position from the drawing position. You can control whether it is changed in the painting direction (x Direction) or perpendicular to the painting direction (y Direction) or both.
- Color: The color of the tool is changed. If the foreground color is a "normal" color, a random intermediate color is determined from the foreground color and the background color. If the foreground color is a pattern or a gradient color, the used color is determined directly from the foreground color.
This setting only has an effect if the current tool uses the foreground color.

The columns specify the input sources that can modify a painting property:

- Pressure: the pressure of a graphics tablet pen
- Tilt Direction: the direction of the pen (not for all graphics tablets)
- Tilt Elevation: the elevation of the pen (not for all graphics tablets)
- Drawing Direction
- Stroke Length: The painting property changes depending on the stroke length. Length indicates the maximum stroke length and is relative to the brush size. If Repeat Length is not activated, exceeding the maximum value will use the set length, otherwise it starts again at length 0.
- Random: A random value is used.

For each combination of painting property and input source a strength and a progress curve can be defined. The dialog will always show the values of the selected combination. You can select a combination by either clicking the checkbox or by clicking next to the check mark.