| 5.9. Polar Coordinates | ||
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5. Filtre til forvrængning |  |
| 5.9. Polar Coordinates | ||
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5. Filtre til forvrængning | |
It gives a circular or a rectangular representation of your image with all the possible intermediates between both.
![[Bemærk]](images/note.png)
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Bemærk |
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Disse indstillinger er beskrevet i Afsnit 2, “Fælles funktioner”. |
Slider and input box allow you to set the "circularity" of the transformation, from rectangle (0%) to circle (100%).
This option controls the angle the drawing will start from (0 - 359°), and so turns it around the circle center.
When this option is checked, the drawing will start from the right instead of the left.
If unchecked, the mapping will put the bottom row in the middle and the top row on the outside. If checked, it will be the opposite.
If unchecked, the image will be circularly mapped into a rectangle (odd effect). If checked, the image will be mapped into a circle.
These polar coordinates are active only if the “Choose middle” option is unchecked.
Checked by default: origin center is at the middle of the layer. If unchecked, you can modify X and Y parameters to position the origin center.
