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<th colspan="3" align="center">9.6. SuperNova</th>
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<th width="60%" align="center">9. Light Effects filters</th>
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<h3 class="title"><a id="plug-in-nova"></a>9.6. SuperNova</h3>
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<h4 class="title"><a id="id2978844"></a>Overview</h4>
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This filter is found in
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<span class="guimenuitem">Image>Filters/Light Effects/Super<span class="accel">N</span>ova</span>.
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This filter creates a big star reminding a super-nova. It works with RGB and GRAY images. Light
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effect decreases according to 1/r where r is the distance from star center.
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<h4 class="title"><a id="id2978876"></a>Parameter Settings</h4>
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<span class="term">Center of SuperNova</span>
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You can use input boxes to set horizontal (X) and vertical (Y) coordinates of SuperNova
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center. You can also click and drag the SuperNova center in <span class="emphasis"><em>preview</em></span>.
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<span class="guilabel">Show Cursor</span>: This option brings up a reticle in preview, centered on
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<span class="term">More parameters</span>
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<span class="guilabel">Color</span>: When you click on the color dwell, you bring up the usual
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<span class="guilabel">Radius</span>: This is radius of the SuperNova center (1-100). When you increase
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the value, you increase the number of central white pixels according to r*r (1, 4, 9...).
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<span class="guilabel">Spokes</span>: This is number of rays (1-1024). Each pixel in nova center emit
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one pixel wide rays. All these rays are more or less superimposed resulting in this
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glittering effect you get when you move this slider.
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<span class="guilabel">Random Hue</span>: Colours rays at random. (0-360) value seems to be a range in
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