# How to fill circles in image (electric circuit)

**URL:** <https://discourse.processing.org/t/how-to-fill-circles-in-image-electric-circuit/42190>\
**Category:** Project Guidance\
**Created:** [June 11, 2023, 11:51pm UTC](https://discourse.processing.org/t/how-to-fill-circles-in-image-electric-circuit/42190 "2023-06-11T23:51:28Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Chrisir](https://yyz2.discourse-cdn.com/flex036/user_avatar/discourse.processing.org/chrisir/32/45_2.png) [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Post date:** [June 16, 2023, 10:01pm UTC](https://discourse.processing.org/t/how-to-fill-circles-in-image-electric-circuit/42190/7 "2023-06-16T22:01:41Z")

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Normal Image recognition is done with library like openCV

There are also means to convert the image in an image where only single lines and circles are used

Then the analyzing is easier since we don’t have to work with different thicknesses of the lines and circles

Bit like here [Straight Skeleton - or how to draw a center line in a polygon or shape?](https://discourse.processing.org/t/straight-skeleton-or-how-to-draw-a-center-line-in-a-polygon-or-shape/17208)

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