The Gradation Tool

much like the Gradation (or Gradient) tool that you've probably seen in other programs, like Photoshop. What those other art programs don't let you do, however, is adjust the gradation after you've created it on its own tone layer.

Used on any other layer in the program, the Gradation tool produces its own tone layer, which you can then adjust using the Tone Layer Properties palette. 1 like to think of the Gradation tool as a quick setup of a tone gradation, which I can then tweak later on to get it exactly how I want it to look.

When you use the Gradation tool on a raster layer, you have the option to create a new tone layer or to draw the gradient directly on the raster layer. Depending on the expression mode, the raster layer can produce an effect ranging from a dithered (2-bit) to a solid (8-bit gray) gradient.

To use the Gradation tool, follow these steps:

1. Select the Gradation tool 011 the Tools palette.

If you want to add a gradient to the entire page, go to Step 2. If you want to add the gradient to a selection, select the Marquee tool from the Tools palette and create a selection on the page.

2. Drag the Gradation tool on the page (or inside the selection).

If you want more control over the gradient you create with the Gradation tool, follow these steps:

1. Create a selection if you want to keep the gradient contained and then click the Gradation tool Icon on the Tools palette.

2. Open the Tool Options palette by pressing F3.

The [Gradation] Tool Options palette appears.

3. If you want to use one of the preset options, click the gradient name and select from the drop-down list that appears.

'I he Gradation tool, located on the Tools palette, gives you the ability to manually create a gradient of any size or angle, directly on the page. Actually, it's

4. Choose whether you want to create a line or elliptical gradient by clicking its respective buttons.

If you choose to make an elliptical gradient, you have the additional option to constrain the gradient within the ellipse you create. To do this, select the Inside Circle Only check box.

5. If you're currently on a raster layer and you don't want to place the gradient on it, deselect the Draw on Selected Layer check box.

When deselected, any gradients drawn on a raster layer are created on their own tone layer.

6. Select the colors for your start and end points (or center and ring if elliptical) from the Density Graph.

This works much like the Pressure Settings Graph you use to adjust your drawing tools. (See Chapter 14.) To adjust, click and drag the starting color and ending color until they're at the shades of gray you want to work with. Optionally, you can click the middle of the graph line to create a curve and give some additional variety to the gradient created.

7. From the Repeat Type drop-down list, choose how you would like the gradient pattern to repeat:

• Repeat: The pattern repeats when the end of the gradient is reached.

• Back-to-Back: The pattern repeats in reverse when the end of the gradient is reached.

• None: The gradient pattern doesn't repeat.

8. If you want to adjust the lines or angle of the gradient, click the Show Menu button and select Advanced Settings Mode.

When the two options appear (see Figure 15-8), you can enter new values for the angle and number of lines in their respective text boxes.

9. Using the Gradation tool, click the area of the page or selection you want to start from and drag to the end point.

If you're creating an elliptical gradient, you start from the center point of the ellipse, drag it out to its end point, and rotate it until it's at the angle you want.

If you create a gradient on a tone layer, remember that you can tweak the gradient on the Layer Properties palette. So if you make a mistake or just aren't happy with how the gradient comes out, you don't have to delete it and start over!

If you create the gradient on a raster layer, you can't adjust it like you can on a tone layer. So if you aren't happy with how the gradient comes out, you need to delete or undo the gradient and try again.

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Figure 15-8:

The Gradation Tool Options palette in advanced mode.

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Freehand Sketching An Introduction

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