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This filter creates a big star reminding a super-nova. It works with
RGB and GRAY images. Light effect decreases according to 1/r where r
is the distance from star center.
5.6.2.
Activate the filter
This filter is found in the image window menu under
→ → .
5.6.3.
Parameter Settings
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Preview
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Parameter setting results are interactively displayed in preview.
Scroll bars allow you to move around the image.
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Center of SuperNova
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X, Y: You can use
input boxes to set horizontal (X) and vertical (Y)
coordinates of SuperNova center. You can also click the
SuperNova center in the preview box.
![[Tip]](images/tip.png)
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Tip |
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To center Supernova precisely, select “Percent”
option in the Unit dropdown list and fix X and Y to 50%.
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Show Cursor: This option brings up a
reticle in preview, centered on the SuperNova.
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Color
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When you click on the color swatch, you bring up the usual color
selector.
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Radius
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This is radius of the SuperNova center (1-100). When you
increase the value, you increase the number of central white
pixels according to r*r (1, 4, 9...).
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Spikes
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This is number of rays (1-1024). Each pixel in the nova center
emit one pixel wide rays. All these rays are more or less
superimposed resulting in this glittering effect you get when
you move this slider.
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Random Hue
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Colours rays at random. (0-360) value seems to be a range in
HSV color circle.
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