# How do you visualize pixels?

**URL:** <https://forum.kirupa.com/t/how-do-you-visualize-pixels/676872>\
**Category:** programming\
**Created:** [August 18, 2025, 1:31pm UTC](https://forum.kirupa.com/t/how-do-you-visualize-pixels/676872 "2025-08-18T13:31:28Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![oslon](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/oslon/32/24631_2.png) [@oslon](https://forum.kirupa.com/u/oslon)\
**Post date:** [August 18, 2025, 1:31pm UTC](https://forum.kirupa.com/t/how-do-you-visualize-pixels/676872/1 "2025-08-18T13:31:28Z")

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> **[Linus’s Blog - Bresenham's Circle Drawing Algorithm](https://funloop.org/post/2021-03-15-bresenham-circle-drawing-algorithm.html)**

I am studying about bresenham’s circle drawing algorithm. And

 ![image](https://canada1.discourse-cdn.com/flex011/uploads/kirupa/original/3X/2/5/258f50f6ed35947ab5b2c544d6188cd4d9925c45.png)

I got stuck at this point. Why did we pick x=1 and y=r-1/2 for calculation?

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**Author:** ![kirupa](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/kirupa/32/11616_2.png) [@kirupa](https://forum.kirupa.com/u/kirupa)\
**Post date:** [August 20, 2025, 4:31pm UTC](https://forum.kirupa.com/t/how-do-you-visualize-pixels/676872/2 "2025-08-20T16:31:36Z")

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The r-1/2 is to help calculate the mid-point. My next article is probably going to be about the bresenham’s circle drawing algorithm, so I can dive into this in more detail.

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<div class="post-metadata">

**Author:** ![oslon](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/oslon/32/24631_2.png) [@oslon](https://forum.kirupa.com/u/oslon)\
**Post date:** [August 22, 2025, 6:04am UTC](https://forum.kirupa.com/t/how-do-you-visualize-pixels/676872/3 "2025-08-22T06:04:55Z")

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yay…do we have a discord server? because there are small stuffs to ask which would be better in discord.

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**Author:** ![kirupa](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/kirupa/32/11616_2.png) [@kirupa](https://forum.kirupa.com/u/kirupa)\
**Post date:** [August 22, 2025, 6:36am UTC](https://forum.kirupa.com/t/how-do-you-visualize-pixels/676872/4 "2025-08-22T06:36:15Z")

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No - the forums are public, which is a huge advantage over what discord provides 😇