# Processing

**URL:** https://discourse.processing.org/c/processing/6.md?page=6

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

**Page:** 7

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## [Processing IDE 4.4.4 does not show line in error](https://discourse.processing.org/t/processing-ide-4-4-4-does-not-show-line-in-error/46915)

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**Author:** [@rhole](https://discourse.processing.org/u/rhole)\
**Replies:** 22\
**Last updated:** [September 11, 2025, 3:17pm UTC](https://discourse.processing.org/t/processing-ide-4-4-4-does-not-show-line-in-error/46915 "2025-09-11T15:17:34Z")

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void setup(){ println("arrived at setup"); // force a divide check to illustrate how errors are displayed int x= 0; int y= 2/x; x=y; } void setup(){ println(“arrived at setup”); // force a divide check to ill…

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## [Win: Extension pde unknown by Win - how to fix?](https://discourse.processing.org/t/win-extension-pde-unknown-by-win-how-to-fix/47117)

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**Author:** [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Replies:** 6\
**Last updated:** [September 11, 2025, 3:16pm UTC](https://discourse.processing.org/t/win-extension-pde-unknown-by-win-how-to-fix/47117 "2025-09-11T15:16:48Z")

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Hello all, I was able to start a Sketch by clicking on a pde-file; recently, this doesn’t work. What’s a simple Sketch to associate pde with processing exe? Chrisir

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## [Can´t install libraries after starting using Processing in Snap](https://discourse.processing.org/t/can-t-install-libraries-after-starting-using-processing-in-snap/46557)

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**Author:** [@rbgtoffolo](https://discourse.processing.org/u/rbgtoffolo)\
**Replies:** 8\
**Last updated:** [September 11, 2025, 2:26pm UTC](https://discourse.processing.org/t/can-t-install-libraries-after-starting-using-processing-in-snap/46557 "2025-09-11T14:26:38Z")

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I installed Processing 4.4.4 using the Snap package (Snap is really painful). However, probably due to folder permissions and all the bizarre Snap infrastructure that I don’t understand well, when I try to install a libr…

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## [Issues turning 66800 jpeg files into a video with Movie Maker Tool](https://discourse.processing.org/t/issues-turning-66800-jpeg-files-into-a-video-with-movie-maker-tool/47080)

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**Author:** [@kieran](https://discourse.processing.org/u/kieran)\
**Replies:** 2\
**Last updated:** [September 10, 2025, 5:20pm UTC](https://discourse.processing.org/t/issues-turning-66800-jpeg-files-into-a-video-with-movie-maker-tool/47080 "2025-09-10T17:20:05Z")

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I have approx. 66800 jpeg files I wish to turn into a video. i have tried to use the movie maker tool but it seems to error, creating a video that jumps and is too fast. any solutions?

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## [Relative and global coordinates](https://discourse.processing.org/t/relative-and-global-coordinates/46992)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 4\
**Last updated:** [September 8, 2025, 6:45pm UTC](https://discourse.processing.org/t/relative-and-global-coordinates/46992 "2025-09-08T18:45:42Z")

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If I draw, for example, a point at a coordinate (0,0) after successively using translate(), scale(); rotate() many times, Is there a possibility to have the coordinates of the point in the starting reference frame (with…

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## [I need help to get OSC in Processing enabled](https://discourse.processing.org/t/i-need-help-to-get-osc-in-processing-enabled/47087)

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**Author:** [@ComputerArtist\_ThL](https://discourse.processing.org/u/ComputerArtist_ThL)\
**Replies:** 4\
**Last updated:** [September 6, 2025, 3:34pm UTC](https://discourse.processing.org/t/i-need-help-to-get-osc-in-processing-enabled/47087 "2025-09-06T15:34:55Z")

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Dear Community, I need help to write two little Scripts. 1.) A Script which sends a OSC Message 2.) A Script which received this OSC Message Can anybody give me a advice which to write this two little Programms In ho…

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## [Processing Geometry Suite (PGS) library](https://discourse.processing.org/t/processing-geometry-suite-pgs-library/47073)

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**Author:** [@Morais](https://discourse.processing.org/u/Morais)\
**Replies:** 4\
**Last updated:** [September 6, 2025, 1:59pm UTC](https://discourse.processing.org/t/processing-geometry-suite-pgs-library/47073 "2025-09-06T13:59:00Z")

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Hello everyone! I’ve recently started exploring the fantastic Processing Geometry Suite (PGS) library and I’m really impressed by its capabilities. Right now, I’m trying to get the Mesh Smoothing example up and running,…

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## [Sound analysis?](https://discourse.processing.org/t/sound-analysis/47060)

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**Author:** [@IRIGIMA](https://discourse.processing.org/u/IRIGIMA)\
**Replies:** 3\
**Last updated:** [September 6, 2025, 1:15am UTC](https://discourse.processing.org/t/sound-analysis/47060 "2025-09-06T01:15:39Z")

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Spec. Using the Processing Sound library, code: Configure a high quality sample. Initiate recording. Generate a pulse / sine wave @ hz for time. Stop recording for time. Display waveform (scalable) Purpose. Ana…

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## [Unable to save my work](https://discourse.processing.org/t/unable-to-save-my-work/47066)

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**Author:** [@Felky](https://discourse.processing.org/u/Felky)\
**Replies:** 6\
**Last updated:** [September 3, 2025, 2:30pm UTC](https://discourse.processing.org/t/unable-to-save-my-work/47066 "2025-09-03T14:30:55Z")

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(The text at the top translates to “Save sketch at…” .) Hello I´m new to processing. For some reason every time I try to save my work I get a black window. I switched from Windows 11 to Linux Fedora KDE. Processing w…

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## [Processing 4.4.4 on Ubuntu 22.04 can’t access tty ports](https://discourse.processing.org/t/processing-4-4-4-on-ubuntu-22-04-can-t-access-tty-ports/47018)

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**Author:** [@PyM72](https://discourse.processing.org/u/PyM72)\
**Replies:** 10\
**Last updated:** [September 1, 2025, 8:07am UTC](https://discourse.processing.org/t/processing-4-4-4-on-ubuntu-22-04-can-t-access-tty-ports/47018 "2025-09-01T08:07:16Z")

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Hello all, I was using processing 4.3 on my Ubutun 22.4. This is a standalone installing fron a tarball. I tried to install with SnapD, the latest release 4.4 and as for now I’m not able to use the tool for the same co…

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## [How to launch the operating system’s default browser at a given URL?](https://discourse.processing.org/t/how-to-launch-the-operating-system-s-default-browser-at-a-given-url/47043)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 2\
**Last updated:** [August 30, 2025, 1:19am UTC](https://discourse.processing.org/t/how-to-launch-the-operating-system-s-default-browser-at-a-given-url/47043 "2025-08-30T01:19:57Z")

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It is complementary to the previous request with Windows for the majority but also with Linux for the minority of whom I am part

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## [Proposal to add a dayOfWeek() function to Processing](https://discourse.processing.org/t/proposal-to-add-a-dayofweek-function-to-processing/47016)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 6\
**Last updated:** [August 29, 2025, 9:17am UTC](https://discourse.processing.org/t/proposal-to-add-a-dayofweek-function-to-processing/47016 "2025-08-29T09:17:22Z")

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import java.util.Calendar; import java.util.GregorianCalendar; int dayOfWeek() { // : 0 to 6, 0 is Sunday Calendar cal = new GregorianCalendar(); int DAY\_OF\_WEEK=cal.get(cal.DAY\_OF\_WEEK); return DAY\_OF\_WEEK-1; }

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## [Using launch() to start chrome.exe](https://discourse.processing.org/t/using-launch-to-start-chrome-exe/44765)

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**Author:** [@jorgensen](https://discourse.processing.org/u/jorgensen)\
**Replies:** 6\
**Last updated:** [August 28, 2025, 4:14am UTC](https://discourse.processing.org/t/using-launch-to-start-chrome-exe/44765 "2025-08-28T04:14:15Z")

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I’m trying to launch chrome.exe via launch(); It works fine if I just want to start chrome.exe. My issue is that I can’t figure out how to pass an url to chrome.exe. If I start chrome via command shell with an url it w…

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## [Not the same result with version 4.4.1 and 4.4.6 using "copy" function with PGraphics into PImage](https://discourse.processing.org/t/not-the-same-result-with-version-4-4-1-and-4-4-6-using-copy-function-with-pgraphics-into-pimage/47024)

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**Author:** [@fredciel](https://discourse.processing.org/u/fredciel)\
**Replies:** 5\
**Last updated:** [August 28, 2025, 9:35am UTC](https://discourse.processing.org/t/not-the-same-result-with-version-4-4-1-and-4-4-6-using-copy-function-with-pgraphics-into-pimage/47024 "2025-08-28T09:35:03Z")

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Hello, here’s a piece of code that doesn’t give the same result in versions 4.4.1 and 4.4.6. The result is normal in 4.4.1, and the entire image is copied into the “Preview” variable. With version 4.4.6, only the top-…

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## [Trouble exporting P3D via PGraphics recording (OpenGL error 1282) \[SOLVED?\]](https://discourse.processing.org/t/trouble-exporting-p3d-via-pgraphics-recording-opengl-error-1282-solved/47033)

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**Author:** [@villares](https://discourse.processing.org/u/villares)\
**Replies:** 3\
**Last updated:** [August 27, 2025, 10:00pm UTC](https://discourse.processing.org/t/trouble-exporting-p3d-via-pgraphics-recording-opengl-error-1282-solved/47033 "2025-08-27T22:00:27Z")

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Something I often do to export higher resolution images is to instantiate a big PGraphics object and then use beginRecord, endRecord and add scaling to the offscreen canvas. It still works fine for 2D, but it seems like …

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## [Interested in a library for terminal-style text?](https://discourse.processing.org/t/interested-in-a-library-for-terminal-style-text/47007)

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**Author:** [@joshg](https://discourse.processing.org/u/joshg)\
**Replies:** 9\
**Last updated:** [August 27, 2025, 5:11am UTC](https://discourse.processing.org/t/interested-in-a-library-for-terminal-style-text/47007 "2025-08-27T05:11:38Z")

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I’m writing up a set of classes that create an in-sketch text box in the style of a monospaced terminal with color support. Would anyone be interested in this as a standalone Processing library? Usage would look like th…

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## [Title: Reference links show sidebar but blank main panel on macOS Ventura (Chrome)](https://discourse.processing.org/t/title-reference-links-show-sidebar-but-blank-main-panel-on-macos-ventura-chrome/46977)

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**Author:** [@poppanona](https://discourse.processing.org/u/poppanona)\
**Replies:** 0\
**Last updated:** [August 18, 2025, 9:23pm UTC](https://discourse.processing.org/t/title-reference-links-show-sidebar-but-blank-main-panel-on-macos-ventura-chrome/46977 "2025-08-18T21:23:53Z")

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Title: Reference links show sidebar but blank main panel on macOS Ventura (Chrome) System: MacBook (Intel) running macOS Ventura 13.7.6 Chrome browser (latest) Processing 4 (issue occurs with both previous buil…

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## [Need help with text position (solved)](https://discourse.processing.org/t/need-help-with-text-position-solved/46756)

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**Author:** [@Meteor122](https://discourse.processing.org/u/Meteor122)\
**Replies:** 11\
**Last updated:** [August 18, 2025, 7:58pm UTC](https://discourse.processing.org/t/need-help-with-text-position-solved/46756 "2025-08-18T19:58:26Z")

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Hi everyone, I’m creating the GUI for a ground station for a rocket I’m building with Arduino, or rather, chatGPT did it for me since I have no experience with processing and don’t have the time to learn it, so I’ll s…

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## [Pixel effect, how do you create this effect](https://discourse.processing.org/t/pixel-effect-how-do-you-create-this-effect/46929)

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**Author:** [@1029](https://discourse.processing.org/u/1029)\
**Replies:** 11\
**Last updated:** [August 16, 2025, 3:33pm UTC](https://discourse.processing.org/t/pixel-effect-how-do-you-create-this-effect/46929 "2025-08-16T15:33:27Z")

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Does anyone know if we could apply this effect? https://typedither.vercel.app/ Thanks!

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## [Cannot find javafx](https://discourse.processing.org/t/cannot-find-javafx/46913)

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**Author:** [@bonner45](https://discourse.processing.org/u/bonner45)\
**Replies:** 2\
**Last updated:** [August 13, 2025, 4:17am UTC](https://discourse.processing.org/t/cannot-find-javafx/46913 "2025-08-13T04:17:31Z")

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(Processing 4.4.4 Windows 10) I’m trying to use javafx with processing but i get this error. The package “javafx” does not exist. You might be missing a library. i have installed the javafx library. //https://docs.or…

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## [Problem with surface.setResizable(true)](https://discourse.processing.org/t/problem-with-surface-setresizable-true/46905)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 4\
**Last updated:** [August 12, 2025, 10:59am UTC](https://discourse.processing.org/t/problem-with-surface-setresizable-true/46905 "2025-08-12T10:59:19Z")

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Hello, surface.setResizable(true) : and the sketch window is resizable. Problem : if width and height are used, they are not updated anymore when you resize the window (Processing 4.4.4 + Linux Mint) See this code : …

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## [Javadoc doesn't work anymore (Processing on Linux) !?](https://discourse.processing.org/t/javadoc-doesnt-work-anymore-processing-on-linux/46868)

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**Author:** [@EricRogerGarcia](https://discourse.processing.org/u/EricRogerGarcia)\
**Replies:** 12\
**Last updated:** [August 11, 2025, 1:35pm UTC](https://discourse.processing.org/t/javadoc-doesnt-work-anymore-processing-on-linux/46868 "2025-08-11T13:35:26Z")

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Hello, When I click on “generate javadoc” in the menu, nothing happens ! When I look in the sketch folder, it has created a “reference” folder but in it there isn’t the html… javadoc pages but the \[sketch name\].java fi…

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## [Best audio platform to use with Processing](https://discourse.processing.org/t/best-audio-platform-to-use-with-processing/46895)

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**Author:** [@cjef](https://discourse.processing.org/u/cjef)\
**Replies:** 1\
**Last updated:** [August 8, 2025, 2:01pm UTC](https://discourse.processing.org/t/best-audio-platform-to-use-with-processing/46895 "2025-08-08T14:01:31Z")

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I want to add sound to my sketches, but with live synthesis for example changing an oscillator pitch based on the speed of some shape and such. I’ve already tried the Sound library but my system doesn’t do well runnig it…

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## [G4P textarea too slow?](https://discourse.processing.org/t/g4p-textarea-too-slow/46865)

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**Author:** [@bonner45](https://discourse.processing.org/u/bonner45)\
**Replies:** 7\
**Last updated:** [August 7, 2025, 5:22pm UTC](https://discourse.processing.org/t/g4p-textarea-too-slow/46865 "2025-08-07T17:22:07Z")

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Hi i’m working on this project. https://github.com/bonner72/SerialTerminal when i send data to G4P text area any faster than a line per 200-300 millis it does not update fast enough. This is how i push data to the text…

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## [Compare divide by zeroes and be ignored, is this universal across computer code?](https://discourse.processing.org/t/compare-divide-by-zeroes-and-be-ignored-is-this-universal-across-computer-code/46879)

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**Author:** [@noFavorsOrStolen](https://discourse.processing.org/u/noFavorsOrStolen)\
**Replies:** 2\
**Last updated:** [August 7, 2025, 4:52pm UTC](https://discourse.processing.org/t/compare-divide-by-zeroes-and-be-ignored-is-this-universal-across-computer-code/46879 "2025-08-07T16:52:30Z")

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float zero=0; if(zero/abs(zero)==zero/abs(zero)){ellipse(200,200,200,200);} Is this a processing fail-safe or a universal thing across computer code? Edit: wait nevermind, it’s a stupid question since c++ can show inf…

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## [Server error when downloading the Processing IDE](https://discourse.processing.org/t/server-error-when-downloading-the-processing-ide/46856)

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**Author:** [@Dapilaa](https://discourse.processing.org/u/Dapilaa)\
**Replies:** 12\
**Last updated:** [August 6, 2025, 3:35pm UTC](https://discourse.processing.org/t/server-error-when-downloading-the-processing-ide/46856 "2025-08-06T15:35:55Z")

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Please, l have been trying to download the processing IDE but i can’t. All the time they will say server error, and i have try it with different devices but the same problem

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## [Is there a place to look for coding challenges specially as a beginner?](https://discourse.processing.org/t/is-there-a-place-to-look-for-coding-challenges-specially-as-a-beginner/46882)

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**Author:** [@cjef](https://discourse.processing.org/u/cjef)\
**Replies:** 4\
**Last updated:** [August 6, 2025, 3:29pm UTC](https://discourse.processing.org/t/is-there-a-place-to-look-for-coding-challenges-specially-as-a-beginner/46882 "2025-08-06T15:29:07Z")

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I just finished Shiffman’s 5 hour tutorial and it was amazing :heart\_eyes: But right after that, I was looking at his code challenges and most of them are too advanced for me and i can’t jump ahead that much and prefer …

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## [How to create installer from Processing project](https://discourse.processing.org/t/how-to-create-installer-from-processing-project/46869)

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**Author:** [@bonner45](https://discourse.processing.org/u/bonner45)\
**Replies:** 2\
**Last updated:** [August 5, 2025, 9:06pm UTC](https://discourse.processing.org/t/how-to-create-installer-from-processing-project/46869 "2025-08-05T21:06:27Z")

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Is it possible to create a packaged installer from a processing project? I know you can export an application, but was wondering if you can make a installer. Thanks.

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## [Very slow audio playback with Sound library](https://discourse.processing.org/t/very-slow-audio-playback-with-sound-library/46857)

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**Author:** [@cjef](https://discourse.processing.org/u/cjef)\
**Replies:** 0\
**Last updated:** [August 4, 2025, 9:33pm UTC](https://discourse.processing.org/t/very-slow-audio-playback-with-sound-library/46857 "2025-08-04T21:33:50Z")

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I installed the Sound library which is created by the processing foundation itself, and tried to run the SimplePlayback example, but the audio isn’t right and i guess it plays very slowly. I then created even a simpler…

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## [How to get the color of a square or rectangle etc](https://discourse.processing.org/t/how-to-get-the-color-of-a-square-or-rectangle-etc/46851)

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**Author:** [@krczyk](https://discourse.processing.org/u/krczyk)\
**Replies:** 2\
**Last updated:** [August 4, 2025, 8:52pm UTC](https://discourse.processing.org/t/how-to-get-the-color-of-a-square-or-rectangle-etc/46851 "2025-08-04T20:52:09Z")

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size(500, 500); background(111, 0, 0); fill(0, 125, 0); square(100, 100, 100); color c = get(150, 150); println(red(c)); println(green(c)); println(blue(c)); The result of get() is the color of the background, no…

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