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                <h1>
                    Create a noise gradient
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                <div><div class="section"><p>A
noise gradient is a gradient that contains randomly distributed
colors within the range of colors that you specify.</p>
<div class="fignone"><img alt="" id="pa_25" src="images/pa_25.png" /><div class="figdesc">Noise gradient with different roughness values.</div><br /><dl><dt class="dlterm">A.</dt>
<dd>10% roughness</dd><p class="dlseparator"></p><dt class="dlterm">B.</dt>
<dd>50% roughness</dd><p class="dlseparator"></p><dt class="dlterm">C.</dt>
<dd>90% roughness</dd><p class="dlseparator"></p></dl>
</div></div>
<ol><li><span>Select the Gradient tool&#160;<img src="images/P_Gradient_Lg_N.png" />. </span></li>
<li><span>Click in the gradient sample in the options bar to display
the Gradient Editor dialog box.</span></li>
<li><span>To base the new gradient on an existing gradient, select
a gradient in the Presets section of the dialog box.</span></li>
<li><span>Choose Noise from the Gradient Type pop‑up menu.</span></li>
<li><span>To control how gradual the transitions are between color
bands in the gradient, enter a value in the Roughness text box,
or drag the Roughness pop‑up slider.</span></li>
<li><span>To define the color model, choose a color model from
the Color Model list.</span></li>
<li><span>To adjust the range of colors, drag the sliders. For
each color component of the color model you’ve selected, you can
drag the sliders to define the range of acceptable values. For example,
if you choose the HSB model, you can restrict the gradient to blue-green
hues, high saturation, and medium brightness.</span></li>
<li><span>Set the options to restrict colors or add transparency.</span></li>
<li><span>To randomize
a gradient that conforms to the settings, click the Randomize button
until you find a setting you like.</span></li>
<li><span>To create a preset gradient, enter a name in the Name
text box, and click New. This creates a new preset gradient with
the settings you specified.</span></li>
</ol>
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