The contrast can be set in a range from -100 to 100. The contrast effect allows you to adjust the contrast between high and dark areas of the image. By selecting this effect it will open the settings dialog where you can set its parameters.
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The upper area of this window shows the ôbeforeö image at the left and the ôafterö image at the right side.
Select a value by entering it by hand or by dragging the slider
The histogram at the center should give you more insight of the impact of the effect. The histogram ranges from black to white (left to right) and shows the number of pixels in the image on the Y axis.
After setting your value click ôApplyö. |
You can undo the effect by clicking
in the Image Editor panelÆs toolbar.