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Step Three:
Place the mouse cursor on the center of the line, and left click once. You will see a black dot appear where you clicked on the line. Now do the same at the shadow/bottom end where the line crosses through the grid, but instead of clicking the left mouse button, hold it down and move the mouse down a little.
You will see the mouse cursor pull down this section of the line, and you will also notice that the shadow areas of the image get darker. The highlight section will also raise a little, giving you the classic S shaped line for increased contrast. You can click anywhere along the line to create a "grab point", which you can then drag around to cause a change in the image. |
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