Polar to cartesian and back

By Nebukadnezar

3.0

This filter requires Filter Forge 3.0

This filter does not support seamless tiling.

“Polar to cartesian and back” is one of 6773 effect filters in Filter Forge – mighty graphics software for Windows and Mac with thousands of photo effects and seamless textures, and a visual editor to create your own filters. Apply this effect to any image in one click, tweak filter settings, or browse through 30,000 randomized variations to alter its appearance. Download Filter Forge to use this effect.

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About This Filter

Author

Description
This snippet will convert a square image from supposed polar coordinates to cartesian/rectangular and then back, without loosing parts of the original image.This can be useful, for example, if you want to apply a strictly linear component like smudge in a radial manner. You convert to cartesian, apply the linear transformation of your choice and then apply polar coordinates once more. A solution for non square images is possible, in theory, if the aspect ratio is known. Based on filters by uberzev and byRo.I added some Color Controls as comments.You can change them to your hearts desire, but they do nothing.

Keywords
polar coordinates cartesian spherical spherize spherify unfold projection radial parallel

Filter Details

Downloads: 1690

Requires Filter Forge 3.0

Submitted: Apr 27, 2012

Usage Rank: Low

Comments (26)

Filter Controls

1 Original Image

2 Cartesian from 1

3 Polar from 2

4 Original Image

Description above ^

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Polar to cartesian and back

By Nebukadnezar

Variations

About This Filter