# Latest

**URL:** https://discourse.processing.org/latest.md?page=24

[Latest](https://discourse.processing.org/latest.md) · [Categories](https://discourse.processing.org/categories.md) · [Tags](https://discourse.processing.org/tags.md)

**Page:** 25

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## [Pyllotaxis algorythm masking. Brand identity dynamic logo](https://discourse.processing.org/t/pyllotaxis-algorythm-masking-brand-identity-dynamic-logo/46149)

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**Author:** [@maumanto16](https://discourse.processing.org/u/maumanto16)\
**Replies:** 1\
**Last updated:** [April 4, 2025, 6:02am UTC](https://discourse.processing.org/t/pyllotaxis-algorythm-masking-brand-identity-dynamic-logo/46149 "2025-04-04T06:02:23Z")

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Hello everybody. I am a designer and i am working on a brand identity using processing. I created a pyllotaxis algorythm distributing small ellipses and used it as the main pattern of the system. I’d like to be able to m…

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## [SwitchNet Neural network examples](https://discourse.processing.org/t/switchnet-neural-network-examples/45814)

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**Author:** [@seanc4s](https://discourse.processing.org/u/seanc4s)\
**Replies:** 9\
**Last updated:** [April 3, 2025, 8:12pm UTC](https://discourse.processing.org/t/switchnet-neural-network-examples/45814 "2025-04-03T20:12:02Z")

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Neural networks using fast transforms as a core component. You can view the fast transform as a super fast to compute synthetic weight matrix that you combine with parametric activation functions as the adjustable part. …

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## [Help With Video Code Crashing (ram build up?)](https://discourse.processing.org/t/help-with-video-code-crashing-ram-build-up/9688)

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**Author:** [@EvanA](https://discourse.processing.org/u/EvanA)\
**Replies:** 8\
**Last updated:** [March 27, 2019, 7:26pm UTC](https://discourse.processing.org/t/help-with-video-code-crashing-ram-build-up/9688 "2019-03-27T19:26:59Z")

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Hello, I’m pretty new to processing and am making this code for a creative project. Basically the code picks a random spot in a video file and plays for ten seconds. After the ten seconds it picks a new random video fil…

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## [Video loop() choppy](https://discourse.processing.org/t/video-loop-choppy/45971)

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**Author:** [@esc746](https://discourse.processing.org/u/esc746)\
**Replies:** 6\
**Last updated:** [April 3, 2025, 6:30pm UTC](https://discourse.processing.org/t/video-loop-choppy/45971 "2025-04-03T18:30:10Z")

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I am using standard code from the example page to loop a video file (720p30 AVC). The initial buffering is quite long. Worse yet, the looping is far from smooth, with pauses up to two seconds (!) at the transition. The …

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## [Q5\*js ESM Converter](https://discourse.processing.org/t/q5-js-esm-converter/46131)

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**Author:** [@GoToLoop](https://discourse.processing.org/u/GoToLoop)\
**Replies:** 0\
**Last updated:** [March 31, 2025, 11:05pm UTC](https://discourse.processing.org/t/q5-js-esm-converter/46131 "2025-03-31T23:05:17Z")

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I’ve coded a command line utility that remotely grabs the “q5.js” library file and creates a “q5.mjs” ECMAScript Module (ESM) version of it, allowing us to use JS keyword import to load it directly in our sketch files w/…

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## [Processing takes a while to open files](https://discourse.processing.org/t/processing-takes-a-while-to-open-files/45530)

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**Author:** [@ripolas](https://discourse.processing.org/u/ripolas)\
**Replies:** 5\
**Last updated:** [April 2, 2025, 3:27pm UTC](https://discourse.processing.org/t/processing-takes-a-while-to-open-files/45530 "2025-04-02T15:27:05Z")

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When i open processing and then open a file Processing freezes for about 1 min. This happens every time i want to open a file with Processing. It has gotten really annoying. Does anyone know a fix? I’m using processing 4…

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## [Running Processing in Headless Mode (On a Mac)](https://discourse.processing.org/t/running-processing-in-headless-mode-on-a-mac/3457)

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**Author:** [@rsomani95](https://discourse.processing.org/u/rsomani95)\
**Replies:** 9\
**Last updated:** [March 31, 2025, 6:03am UTC](https://discourse.processing.org/t/running-processing-in-headless-mode-on-a-mac/3457 "2025-03-31T06:03:39Z")

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I want to run Processing sketches from the terminal, and not have a display window show up. Currently, I can run processing from the terminal using the processing-java command and save my files where I’d like to. Howev…

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## [canvasGUI new version (0.9.5)](https://discourse.processing.org/t/canvasgui-new-version-0-9-5/46116)

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**Author:** [@quark](https://discourse.processing.org/u/quark)\
**Replies:** 2\
**Last updated:** [March 30, 2025, 7:48pm UTC](https://discourse.processing.org/t/canvasgui-new-version-0-9-5/46116 "2025-03-30T19:48:28Z")

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USE VERSION 0.9.6 canvasGUI (0.9.5) now supports touch screen events so Slider and Ranger controls can be now used on mobile devices. You can try it out here. canvasGUI - website and github

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## [On demand Debuging for program on run](https://discourse.processing.org/t/on-demand-debuging-for-program-on-run/46109)

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**Author:** [@SkullGrim](https://discourse.processing.org/u/SkullGrim)\
**Replies:** 0\
**Last updated:** [March 29, 2025, 10:14pm UTC](https://discourse.processing.org/t/on-demand-debuging-for-program-on-run/46109 "2025-03-29T22:14:56Z")

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When I programing I want to see what happened on run program but write on console is not quite right stuff beacuse every run it clean console. So I decide to make DEBUG for programing with help AI. I succeed to create th…

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## [Error message with Syphon lib](https://discourse.processing.org/t/error-message-with-syphon-lib/46056)

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**Author:** [@vj\_dobermann](https://discourse.processing.org/u/vj_dobermann)\
**Replies:** 6\
**Last updated:** [March 30, 2025, 4:55am UTC](https://discourse.processing.org/t/error-message-with-syphon-lib/46056 "2025-03-30T04:55:28Z")

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Hello everybody, I’m beginner on Processing, I juste need it for a specific animation that will be use for an event. When the code is executed, this error message occurs : Syphon 4.0 by Andres Colubri, Tom Butterworth…

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## [Youtube livestream help](https://discourse.processing.org/t/youtube-livestream-help/46041)

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**Author:** [@jetjaguar](https://discourse.processing.org/u/jetjaguar)\
**Replies:** 7\
**Last updated:** [March 29, 2025, 4:06pm UTC](https://discourse.processing.org/t/youtube-livestream-help/46041 "2025-03-29T16:06:08Z")

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Hello everyone! I didn’t think this would be possible at all, but it works, for a few seconds… I would like to play a youtube livestream within processing. I’ve installed the vlcjvideo library, as well as VideoLAN. The…

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## [Python mode tab loading issue](https://discourse.processing.org/t/python-mode-tab-loading-issue/46096)

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**Author:** [@maumanto16](https://discourse.processing.org/u/maumanto16)\
**Replies:** 2\
**Last updated:** [March 28, 2025, 8:24pm UTC](https://discourse.processing.org/t/python-mode-tab-loading-issue/46096 "2025-03-28T20:24:49Z")

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Hello. I have a very simple sketch with 2 tabs. When i try to load a function from the second tab into my main tab it gives me: NameError: global name ‘scene1’ is not defined I tried debugging by making the codes as …

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## [JOB: hiring tutors for the Summer 2025](https://discourse.processing.org/t/job-hiring-tutors-for-the-summer-2025/46076)

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**Author:** [@Jean-Baptiste](https://discourse.processing.org/u/Jean-Baptiste)\
**Replies:** 0\
**Last updated:** [March 26, 2025, 5:49pm UTC](https://discourse.processing.org/t/job-hiring-tutors-for-the-summer-2025/46076 "2025-03-26T17:49:33Z")

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Hi there, I’m JB, founder of Music Hackspace. I’m looking for a p5.js teacher to lead a bootcamp online course this summer, with 4 to 6 hours of live teaching every week for 8 weeks. Pay is $100/hour of course delivere…

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## [Using the Processing core library in .jar format in my now-MIT-licensed Java program](https://discourse.processing.org/t/using-the-processing-core-library-in-jar-format-in-my-now-mit-licensed-java-program/46066)

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**Author:** [@LangdonS](https://discourse.processing.org/u/LangdonS)\
**Replies:** 4\
**Last updated:** [March 25, 2025, 4:43pm UTC](https://discourse.processing.org/t/using-the-processing-core-library-in-jar-format-in-my-now-mit-licensed-java-program/46066 "2025-03-25T16:43:57Z")

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I have a Java program that used the Processing core.jar as a library to function. I want to use the MIT license. How do I license this properly?

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## [P5js web editor - Web workers do not work](https://discourse.processing.org/t/p5js-web-editor-web-workers-do-not-work/46043)

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**Author:** [@quark](https://discourse.processing.org/u/quark)\
**Replies:** 1\
**Last updated:** [March 23, 2025, 11:46am UTC](https://discourse.processing.org/t/p5js-web-editor-web-workers-do-not-work/46043 "2025-03-23T11:46:01Z")

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I have been messing about with p5.geometry and created a 3D Mandelbrot viewer. This is a sample screenshot. The sketch uses a web worker to calculate the Mandelbrot set but when I upload it to the p5js web editor the…

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## [PGS: problem invoking centroid()](https://discourse.processing.org/t/pgs-problem-invoking-centroid/46030)

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**Author:** [@Eamoex](https://discourse.processing.org/u/Eamoex)\
**Replies:** 4\
**Last updated:** [March 22, 2025, 1:59am UTC](https://discourse.processing.org/t/pgs-problem-invoking-centroid/46030 "2025-03-22T01:59:07Z")

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Hi, coming back to Processing after a long while; just dicovered the amazing PGS library. Problem: how do I make Processing see method centroid()? I have included line import micycle.pgs.\*;, but my instruction to get a …

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## [Phone system image not found](https://discourse.processing.org/t/phone-system-image-not-found/46040)

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**Author:** [@johnleung00](https://discourse.processing.org/u/johnleung00)\
**Replies:** 0\
**Last updated:** [March 21, 2025, 7:22pm UTC](https://discourse.processing.org/t/phone-system-image-not-found/46040 "2025-03-21T19:22:02Z")

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Using Processing 4.3.4. Android SDK 33 is located at C:\\Users\\myname\\AppData\\Local\\Android\\Sdk. I checked preferences.txt with the android path pointing to the correct location: android.gradle\_plugin=7.1.0 android.sdk…

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## [How to combine mouse clicks in 3D and processing to be able to click on items in 3D to switch interfaces](https://discourse.processing.org/t/how-to-combine-mouse-clicks-in-3d-and-processing-to-be-able-to-click-on-items-in-3d-to-switch-interfaces/46036)

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**Author:** [@camelia](https://discourse.processing.org/u/camelia)\
**Replies:** 2\
**Last updated:** [March 20, 2025, 3:05pm UTC](https://discourse.processing.org/t/how-to-combine-mouse-clicks-in-3d-and-processing-to-be-able-to-click-on-items-in-3d-to-switch-interfaces/46036 "2025-03-20T15:05:48Z")

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How to combine mouse clicks in 3D and processing to be able to click on items in 3D to switch interfaces, I need to do a 3D scan of the room and can click on the items in the room, but I don’t know how to use mouse clic…

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## [Arduino processing 13 bit barker code experiment](https://discourse.processing.org/t/arduino-processing-13-bit-barker-code-experiment/46027)

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**Author:** [@jafal](https://discourse.processing.org/u/jafal)\
**Replies:** 2\
**Last updated:** [March 20, 2025, 1:56am UTC](https://discourse.processing.org/t/arduino-processing-13-bit-barker-code-experiment/46027 "2025-03-20T01:56:28Z")

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playing with barker code generating 4 khz 13 bit barker code using Arduino and ad9833 function generator to modulated the barker code with 8 khz sine wave carrier and processing sketch analysis the results

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## [Artistic display of processing animations in home](https://discourse.processing.org/t/artistic-display-of-processing-animations-in-home/46028)

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**Author:** [@David1](https://discourse.processing.org/u/David1)\
**Replies:** 1\
**Last updated:** [March 19, 2025, 12:37pm UTC](https://discourse.processing.org/t/artistic-display-of-processing-animations-in-home/46028 "2025-03-19T12:37:41Z")

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Hi there, Has anyone made any sort of artistic or aesthetically pleasing displays of animations or Processing artwork in their homes? I have a number of animations I quite like and think are pleasing that I’d like to m…

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## [CRC Libraries for Processing?](https://discourse.processing.org/t/crc-libraries-for-processing/44449)

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**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 18\
**Last updated:** [July 24, 2024, 1:04pm UTC](https://discourse.processing.org/t/crc-libraries-for-processing/44449 "2024-07-24T13:04:58Z")

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Hi, I’m working up a serial communications app with a Teensy/Arduino and a processing sketch. It’s going well, and I want to implement some checksums to safeguard data transmissions. I’ve found several libraries on the A…

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## [Video export with MediaMuxer](https://discourse.processing.org/t/video-export-with-mediamuxer/45929)

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**Author:** [@AniManOtaku](https://discourse.processing.org/u/AniManOtaku)\
**Replies:** 14\
**Last updated:** [March 17, 2025, 9:21pm UTC](https://discourse.processing.org/t/video-export-with-mediamuxer/45929 "2025-03-17T21:21:15Z")

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I have this code to export frames to video and it works fine, but I don’t quite understand how I can add audio. public class VideoExport { private MediaMuxer muxer; private MediaCodec codec; private MediaCodec.…

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## [Pointless variable declaration in source code](https://discourse.processing.org/t/pointless-variable-declaration-in-source-code/45923)

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**Author:** [@LangdonS](https://discourse.processing.org/u/LangdonS)\
**Replies:** 28\
**Last updated:** [March 15, 2025, 11:27pm UTC](https://discourse.processing.org/t/pointless-variable-declaration-in-source-code/45923 "2025-03-15T23:27:56Z")

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public static void hideMenuBar() { if (platform == 2) { try { String td = "processing.core.ThinkDifferent"; Class\<?\> thinkDifferent = PApplet.class.getClassLoader(…

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## [TypeError: Cannot read properties of undefined (reading '-5')](https://discourse.processing.org/t/typeerror-cannot-read-properties-of-undefined-reading-5/44916)

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**Author:** [@JakobVirgil](https://discourse.processing.org/u/JakobVirgil)\
**Replies:** 13\
**Last updated:** [August 10, 2024, 3:57pm UTC](https://discourse.processing.org/t/typeerror-cannot-read-properties-of-undefined-reading-5/44916 "2024-08-10T15:57:32Z")

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It gives line numbers like “at undefined:53042:53” The number ranges from 0 to -5 depending on the length of my code. here is the code

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## [Problem sin() cos() Java to Processing 4.0](https://discourse.processing.org/t/problem-sin-cos-java-to-processing-4-0/45567)

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**Author:** [@RadioG](https://discourse.processing.org/u/RadioG)\
**Replies:** 13\
**Last updated:** [January 14, 2025, 1:03am UTC](https://discourse.processing.org/t/problem-sin-cos-java-to-processing-4-0/45567 "2025-01-14T01:03:34Z")

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Hi, Under Processing4.0 this formula does not give me the expected result of: 18.6063731708993. Do you have a solution with a better syntax? (Math.asin(sin(12.34\*PI/180) \* Math.cos(1000/6371)+cos(12.34\*PI/180)\*Math.sin…

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## [Play video with sound](https://discourse.processing.org/t/play-video-with-sound/45924)

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**Author:** [@poppanona](https://discourse.processing.org/u/poppanona)\
**Replies:** 8\
**Last updated:** [March 15, 2025, 2:45pm UTC](https://discourse.processing.org/t/play-video-with-sound/45924 "2025-03-15T14:45:21Z")

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Is there a way to incorparate the sound in a movie in one’s sketch

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## [Arrayindexoutofboundsexception: 55 Error, no idea what's gone wrong](https://discourse.processing.org/t/arrayindexoutofboundsexception-55-error-no-idea-whats-gone-wrong/2799)

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**Author:** [@12345](https://discourse.processing.org/u/12345)\
**Replies:** 4\
**Last updated:** [March 15, 2025, 2:38pm UTC](https://discourse.processing.org/t/arrayindexoutofboundsexception-55-error-no-idea-whats-gone-wrong/2799 "2025-03-15T14:38:35Z")

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Hi, does anyone know how to fix this error, my sketch works when I use a different svg file but not on other svg files. I can’t work out what might be causing this? This is the error that comes up : arrayindexoutofbounds…

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## [Artwork recreation Edoardo Lanzi](https://discourse.processing.org/t/artwork-recreation-edoardo-lanzi/45979)

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**Author:** [@maumanto16](https://discourse.processing.org/u/maumanto16)\
**Replies:** 5\
**Last updated:** [March 13, 2025, 2:16pm UTC](https://discourse.processing.org/t/artwork-recreation-edoardo-lanzi/45979 "2025-03-13T14:16:18Z")

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How would you go about recreating this artwork in processing? (or a similar one on concept) I’ve been squeezing my brain around it but can’t find a good solution. Can somebody help me?

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## [2D Array: what's the order of x and y (Chess board)](https://discourse.processing.org/t/2d-array-whats-the-order-of-x-and-y-chess-board/45966)

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**Author:** [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Replies:** 4\
**Last updated:** [March 11, 2025, 10:03pm UTC](https://discourse.processing.org/t/2d-array-whats-the-order-of-x-and-y-chess-board/45966 "2025-03-11T22:03:53Z")

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Hello all, I just wrote a simple chess board and make a mcve to demonstrate my problem. It’s that when you have a 2d array that stores the x,y position for each of the 64 cells, you need in setup() to make the for-loop…

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## [How to manually install VLCJVideo library](https://discourse.processing.org/t/how-to-manually-install-vlcjvideo-library/45960)

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**Author:** [@Seamiki](https://discourse.processing.org/u/Seamiki)\
**Replies:** 1\
**Last updated:** [March 11, 2025, 1:18pm UTC](https://discourse.processing.org/t/how-to-manually-install-vlcjvideo-library/45960 "2025-03-11T13:18:47Z")

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I tried to install VLCJVideo library using the contribution manager but the download fails all the time. Seems like a dead link because i can install other libraries without problems. So i downloaded the github reposito…

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