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Adjust Each Color

This section describes adjustment with [Adjust Each Color] tab.

Adjust Tone Curves by Color

  1. Click [Adjust Each Color] tab on the [Tone Curve Adjustment] screen.

    [Adjust Each Color] tab appears.

  2. Adjust the tone curve by operation of points in the curve view area.

Adjustment by Using Points and Base Points

When you select the [Adjust Each Color] tab, you can adjust points and the base point.

The point (small, black square) appears at both ends of the curve view area. You can adjust the tone curve by dragging and moving this point.

You can also add the point by clicking on the curve. You can adjust the tone curve by dragging and moving this added point (small, red square).

In addition, the position of 25%, 50%, and 75% may be added automatically on the curve as base points according to the settings of [Brightness/Contrast] tab. You can also adjust the tone curve by dragging and moving the base point.

These points and base points can be used for adjustment of the tone curve as follows;

Points at both ends can be dragged up and down to change the overall inclination. Then, you can adjust the whole range of the output values.

Before Adjustment

After Adjustment

The 0 point (beginning point) and 100 point (ending point) cannot be moved to the left or the right, but the adjacent point can be moved to 1% or 99%. When you drag the added point which is adjacent to the end point, you can set the adjacent section from the both ends nearly even (at output value).

Before Adjustment

After Adjustment

Dragging the added/base points upward/downward/left/right, you can set the circular arc or an S-shaped curve that is centering on this point. When the whole curve is made to circular arc, the brightness goes up. When the S-shaped curve is enlarged, the contrast becomes strong. You can drag to left or right, within the range from the next of the previous point (value of the position is 1% greater) to before the next point (value of the position is 1% less).

Before Adjustment

After Adjustment

You can set the complex tone curve by moving/adding the point mentioned above.

  • You can add up to 15 points.

  • You cannot select the multiple points at the same time.

  • Instead of dragging, you can press arrow keys to move a point up or down.

  • To delete an added point, select the point and press the Delete key. You can also click to delete an added point. However, you cannot delete the beginning point and the ending point.

  • The spin boxes display the values of the selected point. When you select the point and you enter the value into the input boxes respectively, you can move the selected point to specified position.