# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=3

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

**Page:** 4

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## [Particles processing](https://discourse.processing.org/t/particles-processing/45483)

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**Author:** [@Sorayamasd](https://discourse.processing.org/u/Sorayamasd)\
**Replies:** 1\
**Last updated:** [December 18, 2024, 12:55pm UTC](https://discourse.processing.org/t/particles-processing/45483 "2024-12-18T12:55:32Z")

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Ive seen and modifies this code but i cant make it to do what i want, i want that every time that the mouse is pressed the colors black and wite are inverted: import ddf.minim.\*; Minim minim; AudioInput mic; int n = …

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## [I Can't use Webcam](https://discourse.processing.org/t/i-cant-use-webcam/45457)

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**Author:** [@gayungkim9088](https://discourse.processing.org/u/gayungkim9088)\
**Replies:** 1\
**Last updated:** [December 14, 2024, 4:34am UTC](https://discourse.processing.org/t/i-cant-use-webcam/45457 "2024-12-14T04:34:48Z")

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Hello, everyone. First of all, please understand that I am not good at English. I’m trying to use my webcam, but processing doesn’t recognize it. It works with Windows Camera. This is the webcam you connect to using use…

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## [REPL mode in P4](https://discourse.processing.org/t/repl-mode-in-p4/45362)

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**Author:** [@matheplica](https://discourse.processing.org/u/matheplica)\
**Replies:** 2\
**Last updated:** [December 11, 2024, 1:40pm UTC](https://discourse.processing.org/t/repl-mode-in-p4/45362 "2024-12-11T13:40:40Z")

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Hi, I’m trying to use Repl mode with P4. I can create a window with the size I want but I soon I try to code a Processing function like rect(20, 20, 100, 100); I’ve got this error : HOTSWAP AGENT: 11:21:18.897 ERROR (…

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## [Running a Processing 4 PApplet in Eclipse IDE](https://discourse.processing.org/t/running-a-processing-4-papplet-in-eclipse-ide/44792)

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**Author:** [@Ignotus](https://discourse.processing.org/u/Ignotus)\
**Replies:** 12\
**Last updated:** [November 22, 2024, 7:50pm UTC](https://discourse.processing.org/t/running-a-processing-4-papplet-in-eclipse-ide/44792 "2024-11-22T19:50:54Z")

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I’ve been developing a library for Processing 4 in the Eclipse IDE, using the Processing Library Template. It would be handy to test a PApplet within the library, rather that running it in Processing. However, I can’t ge…

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## [Export PImage file to JSON](https://discourse.processing.org/t/export-pimage-file-to-json/45321)

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**Author:** [@edugimeno](https://discourse.processing.org/u/edugimeno)\
**Replies:** 6\
**Last updated:** [November 20, 2024, 1:32am UTC](https://discourse.processing.org/t/export-pimage-file-to-json/45321 "2024-11-20T01:32:51Z")

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Hi! I have a short sketch that reads the input from a kinect file, calculates colors, and prints out the resulting array on screen. All information is saved on a PImage file type. It’s pretty small as the resolution of t…

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## [Scene Builder in JavaFX with FXML](https://discourse.processing.org/t/scene-builder-in-javafx-with-fxml/45319)

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**Author:** [@roberto64](https://discourse.processing.org/u/roberto64)\
**Replies:** 11\
**Last updated:** [November 19, 2024, 7:11am UTC](https://discourse.processing.org/t/scene-builder-in-javafx-with-fxml/45319 "2024-11-19T07:11:00Z")

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Hi, I’m trying to create a form with SceneBulder I created a form with 2 buttons and a label, to see when I click on the 1st button it reads the content of the label, the second button does another action, I loaded the f…

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## [Processing OpenNi error](https://discourse.processing.org/t/processing-openni-error/45335)

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**Author:** [@siiso](https://discourse.processing.org/u/siiso)\
**Replies:** 6\
**Last updated:** [November 16, 2024, 2:25am UTC](https://discourse.processing.org/t/processing-openni-error/45335 "2024-11-16T02:25:12Z")

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Just installed drivers for an old XBOX360 Kinect v1 on Ubuntu 22.04. I can see the device and try some basic examples of freenect like glview. However, when I run some basic Processing examples from the OpenNI library, I…

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## [Controls form G4P](https://discourse.processing.org/t/controls-form-g4p/45344)

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**Author:** [@roberto64](https://discourse.processing.org/u/roberto64)\
**Replies:** 2\
**Last updated:** [November 15, 2024, 5:33pm UTC](https://discourse.processing.org/t/controls-form-g4p/45344 "2024-11-15T17:33:39Z")

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Hi, I’ve been using processing for a while now, I wanted to know if there are controls like CustomListView, G4P Builder and nice controls to create forms, isn’t it possible to add certain controls to G4P Builder too?, Re…

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## [Installing Processing Geometry Suite](https://discourse.processing.org/t/installing-processing-geometry-suite/45274)

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**Author:** [@jsampson45](https://discourse.processing.org/u/jsampson45)\
**Replies:** 4\
**Last updated:** [November 13, 2024, 4:56pm UTC](https://discourse.processing.org/t/installing-processing-geometry-suite/45274 "2024-11-13T16:56:32Z")

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The readme at the github page GitHub - micycle1/PGS: Processing Geometry Suite mentions a file PGS.jar for installing PGS, but I can find no jar file - is there another way of installing the PGS on Windows 10?

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## [Picking library failing on many spheres](https://discourse.processing.org/t/picking-library-failing-on-many-spheres/45202)

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**Author:** [@lavalaph](https://discourse.processing.org/u/lavalaph)\
**Replies:** 12\
**Last updated:** [November 12, 2024, 5:47pm UTC](https://discourse.processing.org/t/picking-library-failing-on-many-spheres/45202 "2024-11-12T17:47:39Z")

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Hello, I’m relatively new to Processing. I’m trying to use the Picking library (installed directly through the Processing app) to have a bunch of spheres be clickable. However, Picking seems to not work well with many sp…

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## [Activation sub windows when running multiple apps](https://discourse.processing.org/t/activation-sub-windows-when-running-multiple-apps/45241)

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**Author:** [@Marcel](https://discourse.processing.org/u/Marcel)\
**Replies:** 4\
**Last updated:** [November 1, 2024, 1:37pm UTC](https://discourse.processing.org/t/activation-sub-windows-when-running-multiple-apps/45241 "2024-11-01T13:37:33Z")

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Good day you all, I’ve got a question that is a bit of a hassle to describe, but I’m gonna try. I’ve build an application (using the awesome Quark’s G4P GUI buildertool). Got one “main”-window (Setting always on top en…

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## [G4P library crashes with multi-window](https://discourse.processing.org/t/g4p-library-crashes-with-multi-window/3791)

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**Author:** [@fvoiron](https://discourse.processing.org/u/fvoiron)\
**Replies:** 22\
**Last updated:** [November 1, 2024, 9:49am UTC](https://discourse.processing.org/t/g4p-library-crashes-with-multi-window/3791 "2024-11-01T09:49:06Z")

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hello #Quark I have noticed several time instability problems when using the G4P library to generate multiwindows. I’m using G4P builder tool in Processing 3.7. I stripped the code to the bare minimum to narrow down wha…

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## [Libp5x - Processing 4 and LWJGL library with examples](https://discourse.processing.org/t/libp5x-processing-4-and-lwjgl-library-with-examples/45217)

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**Author:** [@neilcsmith](https://discourse.processing.org/u/neilcsmith)\
**Replies:** 0\
**Last updated:** [October 22, 2024, 4:24pm UTC](https://discourse.processing.org/t/libp5x-processing-4-and-lwjgl-library-with-examples/45217 "2024-10-22T16:24:34Z")

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libp5x is the modularized Processing 4 and LWJGL renderer library that we use in PraxisLIVE. It’s also available via Maven Central and is fairly easy to use with full Java Processing sketches. I’ve just updated the exam…

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## [Polygon packing](https://discourse.processing.org/t/polygon-packing/45182)

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**Author:** [@eightohnine](https://discourse.processing.org/u/eightohnine)\
**Replies:** 9\
**Last updated:** [October 18, 2024, 5:33pm UTC](https://discourse.processing.org/t/polygon-packing/45182 "2024-10-18T17:33:14Z")

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Hi all, I’m messing around with polygon arrangements and was hoping someone might give me some pointers on how I can pack polygons neatly together. The attached screen is the polygons I’m working with, arranged on a gr…

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## [Minim AudioPlayer.length() outputs wrong value](https://discourse.processing.org/t/minim-audioplayer-length-outputs-wrong-value/45176)

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**Author:** [@SmallSnail](https://discourse.processing.org/u/SmallSnail)\
**Replies:** 0\
**Last updated:** [October 13, 2024, 11:03pm UTC](https://discourse.processing.org/t/minim-audioplayer-length-outputs-wrong-value/45176 "2024-10-13T23:03:32Z")

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Hey all, I was working on a little audio visualizer project today using the Minim library, and I ran into a small issue with the AudioPlayer class. The project requires a class that can load, play, and analyze an audio …

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## [Need help in exporting SVG from animation](https://discourse.processing.org/t/need-help-in-exporting-svg-from-animation/45144)

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**Author:** [@Heliasz](https://discourse.processing.org/u/Heliasz)\
**Replies:** 2\
**Last updated:** [October 11, 2024, 5:49pm UTC](https://discourse.processing.org/t/need-help-in-exporting-svg-from-animation/45144 "2024-10-11T17:49:10Z")

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Dear All, I have the code pasted below and I am trying to export SVG file from animation. Here’s Simplex Noise code I am using: opensimplexnoise.pde · GitHub I am trying to paste code dedicated by Processing: SVG Expo…

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## [The library is not installed](https://discourse.processing.org/t/the-library-is-not-installed/45135)

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**Author:** [@masoudhyudani](https://discourse.processing.org/u/masoudhyudani)\
**Replies:** 1\
**Last updated:** [October 4, 2024, 12:08pm UTC](https://discourse.processing.org/t/the-library-is-not-installed/45135 "2024-10-04T12:08:33Z")

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Hello, I would like to install the below library for Processing. I extract the .zip file in the below address: …\\Documents\\Processing\\libraries However, it does not recognize the library and shows me the below erro…

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## [Triggering multiple videos using OSC](https://discourse.processing.org/t/triggering-multiple-videos-using-osc/45121)

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**Author:** [@dom](https://discourse.processing.org/u/dom)\
**Replies:** 2\
**Last updated:** [October 2, 2024, 9:32pm UTC](https://discourse.processing.org/t/triggering-multiple-videos-using-osc/45121 "2024-10-02T21:32:15Z")

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I am trying to build a patch in which multiple videos are overlayed and triggered from Supercollider using OSC. There are four things I am seeking to do which I have not yet achieved. Have multiple videos play at the s…

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## [Image slowly offsetting itself](https://discourse.processing.org/t/image-slowly-offsetting-itself/44978)

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**Author:** [@RWSNeill](https://discourse.processing.org/u/RWSNeill)\
**Replies:** 4\
**Last updated:** [October 1, 2024, 10:04am UTC](https://discourse.processing.org/t/image-slowly-offsetting-itself/44978 "2024-10-01T10:04:42Z")

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First ever post so sorry if I phrase this poorly. Have written a PONG game that uses pixel flow data from a webcam to move the paddle. It ran fine for months without issue on multiple PCs (both Windows 10 and 11) but ha…

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## [G4P Textfield Font Showing as Boxes](https://discourse.processing.org/t/g4p-textfield-font-showing-as-boxes/45067)

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**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 16\
**Last updated:** [September 26, 2024, 12:57pm UTC](https://discourse.processing.org/t/g4p-textfield-font-showing-as-boxes/45067 "2024-09-26T12:57:18Z")

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Hi all, I made an app for PC/Mac/Linux with Processing (with Peter Lager’s endless support! Thanks Peter!). I just noticed that on a Linux machine, some of the special characters are showing as boxes: For the textf…

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## [Sound keeps rapidly cutting in and out](https://discourse.processing.org/t/sound-keeps-rapidly-cutting-in-and-out/45044)

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**Author:** [@Math\_Machine](https://discourse.processing.org/u/Math_Machine)\
**Replies:** 2\
**Last updated:** [September 25, 2024, 8:25am UTC](https://discourse.processing.org/t/sound-keeps-rapidly-cutting-in-and-out/45044 "2024-09-25T08:25:53Z")

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Issue: sound is choppy on my sketches About a year ago I switched laptops and imported all my sketches over, including a few that use the Sound library. Said library works fine on my previous laptop, as well as every ot…

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## [Video import and export - speed problems](https://discourse.processing.org/t/video-import-and-export-speed-problems/45083)

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**Author:** [@PvN](https://discourse.processing.org/u/PvN)\
**Replies:** 0\
**Last updated:** [September 23, 2024, 6:14pm UTC](https://discourse.processing.org/t/video-import-and-export-speed-problems/45083 "2024-09-23T18:14:25Z")

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Hello everybody! i have some problems with a project. i’m trying to import a video, play it back and record the sketch, with the video being played (and some extras i excluded becaus eit doesn’t matter). so far i get t…

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## [Delaunay Triangulation in Processing 4](https://discourse.processing.org/t/delaunay-triangulation-in-processing-4/45034)

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**Author:** [@justin\_lincoln](https://discourse.processing.org/u/justin_lincoln)\
**Replies:** 4\
**Last updated:** [September 13, 2024, 12:53pm UTC](https://discourse.processing.org/t/delaunay-triangulation-in-processing-4/45034 "2024-09-13T12:53:37Z")

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I’m looking for any libraries to help with Delaunay Triangulation that work in Processing 4. None of the deprecated libraries seem to install or work when I try them now. Any tips for where I can find this capability in …

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## [G4P restore minimized window](https://discourse.processing.org/t/g4p-restore-minimized-window/45013)

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**Author:** [@Marcel](https://discourse.processing.org/u/Marcel)\
**Replies:** 3\
**Last updated:** [September 7, 2024, 5:31pm UTC](https://discourse.processing.org/t/g4p-restore-minimized-window/45013 "2024-09-07T17:31:23Z")

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Hi Quark (Peter), I would like to know how I can restore a minimized window (not the main GWindow). Tried the “setVisible” property to simulate minimizing and restoring but is seems that the window will unload after the…

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## [Setting pixels of a movie file](https://discourse.processing.org/t/setting-pixels-of-a-movie-file/45021)

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**Author:** [@dswayne92](https://discourse.processing.org/u/dswayne92)\
**Replies:** 0\
**Last updated:** [September 4, 2024, 1:12pm UTC](https://discourse.processing.org/t/setting-pixels-of-a-movie-file/45021 "2024-09-04T13:12:47Z")

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Dear everyone, I’m adapting some code I wrote setting the pixels of a live video capture from an external camera. (see topic ) I want to get the same effect using a movie file. The effect is a pixel mask that turns the…

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## [Multiple Color Palettes in G4P?](https://discourse.processing.org/t/multiple-color-palettes-in-g4p/45011)

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**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 2\
**Last updated:** [August 31, 2024, 2:07pm UTC](https://discourse.processing.org/t/multiple-color-palettes-in-g4p/45011 "2024-08-31T14:07:01Z")

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This is a question for Peter, and odd one. After getting beta feedback from the app I made with your amazing library, some users asked for a way to edit colors. While this is something I can do theoretically, there’s n…

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## [\[ControlP5\] change button text color](https://discourse.processing.org/t/controlp5-change-button-text-color/45008)

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**Author:** [@fabit](https://discourse.processing.org/u/fabit)\
**Replies:** 5\
**Last updated:** [August 29, 2024, 5:06pm UTC](https://discourse.processing.org/t/controlp5-change-button-text-color/45008 "2024-08-29T17:06:50Z")

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Hi everyone! I am trying to design buttons with different colors but i don’t know how to change the color of name button inside it.Normally the color is white and every sketch i see online uses this color.Can i add some…

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## [ControlP5 slider inactive because of translate function](https://discourse.processing.org/t/controlp5-slider-inactive-because-of-translate-function/44999)

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**Author:** [@willemr](https://discourse.processing.org/u/willemr)\
**Replies:** 4\
**Last updated:** [August 27, 2024, 12:42pm UTC](https://discourse.processing.org/t/controlp5-slider-inactive-because-of-translate-function/44999 "2024-08-27T12:42:32Z")

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Hey everyone, New (again) to Processing. Trying to write a simple “interactive gradient” drawing program in which a couple of sliders (using the ControlP5 library) control some variables of the wave function and the col…

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## [Library missing in Import Library menu in Windows](https://discourse.processing.org/t/library-missing-in-import-library-menu-in-windows/44989)

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**Author:** [@Ignotus](https://discourse.processing.org/u/Ignotus)\
**Replies:** 1\
**Last updated:** [August 25, 2024, 4:38pm UTC](https://discourse.processing.org/t/library-missing-in-import-library-menu-in-windows/44989 "2024-08-25T16:38:20Z")

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I am developing a Processing library in Eclipse for MacOS. I’m running Processing 4.3. I run the Ant build in Eclipse, and everything works. I have an updated library in my Documents/Processing/libraries directory. It s…

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## [Having trouble loading a simple video](https://discourse.processing.org/t/having-trouble-loading-a-simple-video/44983)

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**Author:** [@cyber.mirror.channel](https://discourse.processing.org/u/cyber.mirror.channel)\
**Replies:** 4\
**Last updated:** [August 24, 2024, 1:10pm UTC](https://discourse.processing.org/t/having-trouble-loading-a-simple-video/44983 "2024-08-24T13:10:13Z")

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Windows 10. Processing 4.3. Video Library for Processing 2.2.2. Movie file is in the same folder as Sketch. I was just fine with my current project (that manipulates images, but I want to extend it to load videos as …

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