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Spirals (ymd:100725)

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Spirals Effect Plugin

What's this?

This plugin is added to the menu Effects, submenu Render.

You should use it to create/add spirals to your images.

And so it's a simple spiral plugin.

I want to add more type of curve (later?) like the Cornu's spiral (thanks OMA for the link)...

For better performances the spiral is drawn with lines from point to point to avoid ruptures.

You could choice the quantity of points and play with the other sliders to have angular or rounded spiral.

The spirals use the primary and/or the secondary colors and the brushwidth as default.

Download it!

Plugin Spiral.dll

ar.pngHere is the DLLal.png

The source is available with the plugins package!

How to install


Unzip and (re)place the DLL in your Effect folder usually: C:/Program Files/Paint.NET/Effects

The User interface


X factor: set the X size of the spiral.

Y factor: set the Y size of the spiral.

B factor: set the 'radius' size of the spiral.

Quantity of points: add/remove points to have longer/shorter spiral.

Speed: increase the speed to have a more angular spiral.

Angle: you could rotate the spiral.

X,Y Offset of the center: choose the place where you want the center to be.

Variable color:New!

:Warning: Each line uses a different color. It increases the process time!

0 for fixed color (for the color wheel), 1 or > to set the number of cycle...

Transparency: New!

...and another level of transparency.

Brush width: New!

Set the width of the lines to draw.

Options: choose some options between:

...Draw PC line: First spiral with the primary color.

...Draw SC line: Second spiral with the secondary color.

...Reverse: Inverse the rotation of the spiral.

...Draw lines: draw from each point the radius to the center.

Some examples:




(two spirals and a line to connect them)


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lol, thanks Madjik!

Edit: Source? I have the source of the previous versions, but is there any way I can get a hold of it? I have been a source junkie lately :D


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Very nice, However, X, Y, B jumps too much when using mouse wheel? by 2, maybe 0.2 would be better?


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New version of the Spiral... Check out the first post!


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Thanks Madjik, this seems useful.

Although Mike said "previous versions", this is the first time I saw it.


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