# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=29

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

**Page:** 30

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## [Dropdownlist from csv file](https://discourse.processing.org/t/dropdownlist-from-csv-file/27321)

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**Author:** [@Mate\_PL](https://discourse.processing.org/u/Mate_PL)\
**Replies:** 13\
**Last updated:** [February 2, 2021, 10:31pm UTC](https://discourse.processing.org/t/dropdownlist-from-csv-file/27321 "2021-02-02T22:31:16Z")

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Hello, I am asking for an example of how to complete the dropdownlist from the controlP5 library from a csv file. The csv file looks like Id, slider1, slider2, slider 3 Settings\_1, 10, 12, 20 Settings\_2, 12, 20, 30 … …

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## [Processing no longer displaying image or sound](https://discourse.processing.org/t/processing-no-longer-displaying-image-or-sound/27487)

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**Author:** [@TiBasic](https://discourse.processing.org/u/TiBasic)\
**Replies:** 5\
**Last updated:** [January 31, 2021, 10:23pm UTC](https://discourse.processing.org/t/processing-no-longer-displaying-image-or-sound/27487 "2021-01-31T22:23:23Z")

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Hi, so I’m doing a project with arduino and processing. The arduino code is okay, but my processing code for some reason isn’t working right. It used to display an image as well as run a sound but now it does neither of …

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## [Sound frequency label](https://discourse.processing.org/t/sound-frequency-label/27456)

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**Author:** [@jafal](https://discourse.processing.org/u/jafal)\
**Replies:** 1\
**Last updated:** [January 31, 2021, 7:34am UTC](https://discourse.processing.org/t/sound-frequency-label/27456 "2021-01-31T07:34:19Z")

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hi how to set frequency values to each peak in sound library example /\*\* \* Inspect the frequency spectrum of different simple oscillators. \*/ import processing.sound.\*; // All oscillators are instances of the Oscil…

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## [Playing different videos from mouse coordinates?](https://discourse.processing.org/t/playing-different-videos-from-mouse-coordinates/27492)

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**Author:** [@lauren](https://discourse.processing.org/u/lauren)\
**Replies:** 1\
**Last updated:** [January 31, 2021, 12:26am UTC](https://discourse.processing.org/t/playing-different-videos-from-mouse-coordinates/27492 "2021-01-31T00:26:06Z")

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Hi! I’m new to processing. I’m trying to make a program to play different videos depending upon the mouse coordinates. So open up a blank window, then if the mouse coordinates are between these sets of numbers, play vide…

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## [What codecs are supported by the Video library?](https://discourse.processing.org/t/what-codecs-are-supported-by-the-video-library/27442)

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**Author:** [@esc746](https://discourse.processing.org/u/esc746)\
**Replies:** 0\
**Last updated:** [January 28, 2021, 7:29pm UTC](https://discourse.processing.org/t/what-codecs-are-supported-by-the-video-library/27442 "2021-01-28T19:29:56Z")

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Seems strange to me the documentation for the Video library doesn’t mention what codecs are supported. The first three files I have tried do not load. Also: Which would be the optimal codec if I was to pre-process video…

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## [Is it possible to move image pixels in Processing?](https://discourse.processing.org/t/is-it-possible-to-move-image-pixels-in-processing/27361)

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**Author:** [@probeginner](https://discourse.processing.org/u/probeginner)\
**Replies:** 2\
**Last updated:** [January 28, 2021, 5:09am UTC](https://discourse.processing.org/t/is-it-possible-to-move-image-pixels-in-processing/27361 "2021-01-28T05:09:27Z")

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Hello, I am new to Processing! I just started self-studying Processing to visualize my idea. My final goal is to create a video that shows an image reacts to the sound. In the video, the image pixels that are located o…

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## [How to detect global keystrokes?](https://discourse.processing.org/t/how-to-detect-global-keystrokes/27413)

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**Author:** [@dacoconutchemist](https://discourse.processing.org/u/dacoconutchemist)\
**Replies:** 2\
**Last updated:** [January 27, 2021, 8:34pm UTC](https://discourse.processing.org/t/how-to-detect-global-keystrokes/27413 "2021-01-27T20:34:18Z")

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Is there a way to detect keystrokes when the sketch window is not active? I would like to read each keyPressed event even if another application has focus and the sketch is in background.

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## [Urgent Code help (Draw Program)](https://discourse.processing.org/t/urgent-code-help-draw-program/27280)

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**Author:** [@Prxt.3k](https://discourse.processing.org/u/Prxt.3k)\
**Replies:** 31\
**Last updated:** [January 27, 2021, 6:11am UTC](https://discourse.processing.org/t/urgent-code-help-draw-program/27280 "2021-01-27T06:11:36Z")

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I need to change the location of the buttons from the side to at the top and beside each other. Also, I have the class for the fill button and Spray Paint. I need help determining which code I need so I can make it that…

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## [How would you import an external library into processing?](https://discourse.processing.org/t/how-would-you-import-an-external-library-into-processing/27337)

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**Author:** [@SNICKRS](https://discourse.processing.org/u/SNICKRS)\
**Replies:** 1\
**Last updated:** [January 25, 2021, 2:29pm UTC](https://discourse.processing.org/t/how-would-you-import-an-external-library-into-processing/27337 "2021-01-25T14:29:52Z")

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I have this game in which I want to use an AI engine for the opponent, but it requires I use an external file as making an AI for this game is VERY complicated. However, I found a great java library that has everything I…

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## [Bonjour je suis debutant au.processing](https://discourse.processing.org/t/bonjour-je-suis-debutant-au-processing/27315)

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**Author:** [@Douhane](https://discourse.processing.org/u/Douhane)\
**Replies:** 3\
**Last updated:** [January 23, 2021, 9:41pm UTC](https://discourse.processing.org/t/bonjour-je-suis-debutant-au-processing/27315 "2021-01-23T21:41:53Z")

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bonjour je suis nouveau et debutant a processing alors g reussi a allumer 3 led de mon arduino… via processing c mon premier programe la je veux utilisé le bleutooth de mon pc sur processing pour les allumer via bleu…

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## [GPanel object position using G4P](https://discourse.processing.org/t/gpanel-object-position-using-g4p/27311)

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**Author:** [@R2processing](https://discourse.processing.org/u/R2processing)\
**Replies:** 2\
**Last updated:** [January 23, 2021, 5:49pm UTC](https://discourse.processing.org/t/gpanel-object-position-using-g4p/27311 "2021-01-23T17:49:36Z")

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Hello, I’m using the useful G4P library. using lblTest.setText(“XXX”); I’m able to change the text of a GLAbel object. I’d like to change the location of a GLabel object inside a Panel with G4P. I didn’t succeed on t…

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## [Length in milliseconds of .wav from Sampler class](https://discourse.processing.org/t/length-in-milliseconds-of-wav-from-sampler-class/27299)

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**Author:** [@dangerousclive](https://discourse.processing.org/u/dangerousclive)\
**Replies:** 0\
**Last updated:** [January 23, 2021, 12:31am UTC](https://discourse.processing.org/t/length-in-milliseconds-of-wav-from-sampler-class/27299 "2021-01-23T00:31:08Z")

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Hi, I’m having a bit of a problem trying to get the length of time in milliseconds of a .wav loaded into the Sampler class in Minim. I’m probably over looking something but can it be found by something as simple as .le…

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## [Project guidance](https://discourse.processing.org/t/project-guidance/27115)

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**Author:** [@yhlaskerimov](https://discourse.processing.org/u/yhlaskerimov)\
**Replies:** 20\
**Last updated:** [January 19, 2021, 1:16pm UTC](https://discourse.processing.org/t/project-guidance/27115 "2021-01-19T13:16:09Z")

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Hi, everyone ! I need to achieve this effect. But I don’t know how to achieve it. Can anyone give me some tips how to do it ? Thank you ! I appreciate very help !

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## [How to get X, Y of the face with open cv?](https://discourse.processing.org/t/how-to-get-x-y-of-the-face-with-open-cv/27183)

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**Author:** [@LoneFalconer](https://discourse.processing.org/u/LoneFalconer)\
**Replies:** 3\
**Last updated:** [January 19, 2021, 4:48pm UTC](https://discourse.processing.org/t/how-to-get-x-y-of-the-face-with-open-cv/27183 "2021-01-19T16:48:52Z")

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Hello, I am pretty new to programming in java and am looking for a way to get the x and y chords of a face detected with OpenCV. I then want to use these chords in another function. Is there documentation on the OpenCV…

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## [Problem with geomerative and list](https://discourse.processing.org/t/problem-with-geomerative-and-list/27199)

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**Author:** [@robottini](https://discourse.processing.org/u/robottini)\
**Replies:** 4\
**Last updated:** [January 19, 2021, 1:04pm UTC](https://discourse.processing.org/t/problem-with-geomerative-and-list/27199 "2021-01-19T13:04:09Z")

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I have a problem with geomerative and a list of shapes. I think it is trivial, but I don’t understand my error. If I use this sketch I don’t have any problem. import geomerative.\*; void setup() { size(800, 400); …

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## [How can I load the video without affecting the overall process？](https://discourse.processing.org/t/how-can-i-load-the-video-without-affecting-the-overall-process/26964)

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**Author:** [@AbleYudada](https://discourse.processing.org/u/AbleYudada)\
**Replies:** 7\
**Last updated:** [January 19, 2021, 7:14am UTC](https://discourse.processing.org/t/how-can-i-load-the-video-without-affecting-the-overall-process/26964 "2021-01-19T07:14:30Z")

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Hi guys,！Recently when I used the particle system, I clicked to generate a video and the whole was stuck. After the video was loaded, the fps would be restored. Is there any good way to solve this problem？

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## [Processing 4 macOS Video still not working?](https://discourse.processing.org/t/processing-4-macos-video-still-not-working/27187)

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**Author:** [@shimulc](https://discourse.processing.org/u/shimulc)\
**Replies:** 0\
**Last updated:** [January 19, 2021, 5:19am UTC](https://discourse.processing.org/t/processing-4-macos-video-still-not-working/27187 "2021-01-19T05:19:11Z")

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Apologies because I know it has not been long since 4.0 alpha 3 has been released but I have been trying to run the basic GettingStartedCapture example and still do not see the macOS security dialog to allow access to my…

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## [Calling processing sketches within a processing sketch](https://discourse.processing.org/t/calling-processing-sketches-within-a-processing-sketch/27167)

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**Author:** [@jackeddielove](https://discourse.processing.org/u/jackeddielove)\
**Replies:** 2\
**Last updated:** [January 18, 2021, 8:41pm UTC](https://discourse.processing.org/t/calling-processing-sketches-within-a-processing-sketch/27167 "2021-01-18T20:41:48Z")

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My processing code is getting very long. I’m essentially building a slideshow. Is it possible to build each slide individually and then call each one in the main program? This is the kind of thing I did when writing my …

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## [OutOfMemory error after loading many gifs](https://discourse.processing.org/t/outofmemory-error-after-loading-many-gifs/27156)

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**Author:** [@AbleYudada](https://discourse.processing.org/u/AbleYudada)\
**Replies:** 3\
**Last updated:** [January 18, 2021, 9:44am UTC](https://discourse.processing.org/t/outofmemory-error-after-loading-many-gifs/27156 "2021-01-18T09:44:59Z")

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import gifAnimation.\*;// ArrayList\<Gif\> loopingGifs;// void setup() { //size(512, 414, P3D); fullScreen(P3D,2); frameRate(60); loopingGifs = new ArrayList\<Gif\>(); } void draw() { if(t&&frameCount…

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## [Displaying Skeleton from Array on Each Key Press](https://discourse.processing.org/t/displaying-skeleton-from-array-on-each-key-press/27130)

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**Author:** [@alenmartel](https://discourse.processing.org/u/alenmartel)\
**Replies:** 0\
**Last updated:** [January 17, 2021, 4:55am UTC](https://discourse.processing.org/t/displaying-skeleton-from-array-on-each-key-press/27130 "2021-01-17T04:55:19Z")

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Hi folks; I am expanding on a previous project that was displaying a 2D shape overtop of live video, but as I learn Processing, I’ve expanded to trying 3D shapes. In particular, I’m using the ISO Skeleton. Now, the issu…

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## [Printing the band with the highest amplitude (fft)](https://discourse.processing.org/t/printing-the-band-with-the-highest-amplitude-fft/27086)

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**Author:** [@Hangmansraven](https://discourse.processing.org/u/Hangmansraven)\
**Replies:** 2\
**Last updated:** [January 16, 2021, 11:00pm UTC](https://discourse.processing.org/t/printing-the-band-with-the-highest-amplitude-fft/27086 "2021-01-16T23:00:31Z")

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Hello, I am currently trying to get into the sound library and especially fft analysis. I want to print the number of the band with the highest amplitude in the console for each draw loop. I used the following code but …

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## [Can't keep shape overlayed on top of video](https://discourse.processing.org/t/cant-keep-shape-overlayed-on-top-of-video/26867)

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**Author:** [@alenmartel](https://discourse.processing.org/u/alenmartel)\
**Replies:** 2\
**Last updated:** [January 16, 2021, 9:27pm UTC](https://discourse.processing.org/t/cant-keep-shape-overlayed-on-top-of-video/26867 "2021-01-16T21:27:03Z")

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please format code with \</\> button \* homework policy \* asking questions Hi all - I am trying to have shapes overlay on top of live video whenever I press certain keys; however, I cannot get the shapes to stay overlay…

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## [How to make a slider](https://discourse.processing.org/t/how-to-make-a-slider/27073)

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**Author:** [@Prxt.3k](https://discourse.processing.org/u/Prxt.3k)\
**Replies:** 7\
**Last updated:** [January 16, 2021, 6:57pm UTC](https://discourse.processing.org/t/how-to-make-a-slider/27073 "2021-01-16T18:57:45Z")

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I would like to know how to create 2 sliders, one for the thickness of stroke and the other one for opacity. I am planning to create 5 types of brushstrokes, I hope to make the program, so every time I select a brushst…

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## [Play files related to words in the order of a text](https://discourse.processing.org/t/play-files-related-to-words-in-the-order-of-a-text/26966)

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**Author:** [@Sophie](https://discourse.processing.org/u/Sophie)\
**Replies:** 2\
**Last updated:** [January 12, 2021, 8:03am UTC](https://discourse.processing.org/t/play-files-related-to-words-in-the-order-of-a-text/26966 "2021-01-12T08:03:26Z")

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Hello, My goal is to translate text into sounds and videos according to sound files and video material. I splitted the text into words but I just could not figure out how to correctly search for my words in the text and…

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## [How do I import Pexels API library in Processing?](https://discourse.processing.org/t/how-do-i-import-pexels-api-library-in-processing/27004)

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**Author:** [@eclipse](https://discourse.processing.org/u/eclipse)\
**Replies:** 1\
**Last updated:** [January 14, 2021, 6:26pm UTC](https://discourse.processing.org/t/how-do-i-import-pexels-api-library-in-processing/27004 "2021-01-14T18:26:25Z")

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Hello, I am attempting to use an API for the first time but am having some trouble. Here is the API that I have chosen: Pexels API Documentation. I have already received an API key and tried to adapt the following Java…

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## [Processing "GUI Builder warning" when opening G4P GUI builder](https://discourse.processing.org/t/processing-gui-builder-warning-when-opening-g4p-gui-builder/26980)

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**Author:** [@JackjDaly](https://discourse.processing.org/u/JackjDaly)\
**Replies:** 2\
**Last updated:** [January 11, 2021, 4:54pm UTC](https://discourse.processing.org/t/processing-gui-builder-warning-when-opening-g4p-gui-builder/26980 "2021-01-11T16:54:55Z")

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Hi, I am having an issue with using G4P in processing, I have tried adding it through the add tools feature in processing, as well as installing it by adding it to the tools folder as instructed here (Quarks Place) Yet…

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## [Problem with movie clip in build](https://discourse.processing.org/t/problem-with-movie-clip-in-build/26769)

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**Author:** [@blackwood](https://discourse.processing.org/u/blackwood)\
**Replies:** 5\
**Last updated:** [January 10, 2021, 3:29pm UTC](https://discourse.processing.org/t/problem-with-movie-clip-in-build/26769 "2021-01-10T15:29:53Z")

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Hey there, a friend and I are making a game for college project in Processing. Before the game starts, a cutscene is played which works perfectly fine when tested in the editor, but when exported as a build (Windows), i…

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## [G4p GUI editor issues](https://discourse.processing.org/t/g4p-gui-editor-issues/26781)

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**Author:** [@jimlee](https://discourse.processing.org/u/jimlee)\
**Replies:** 18\
**Last updated:** [January 10, 2021, 9:35am UTC](https://discourse.processing.org/t/g4p-gui-editor-issues/26781 "2021-01-10T09:35:56Z")

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I set up a new app and created my interface using G4P GUI editor. Everyhting was wonderful. App actually did pretty much what I wanted. Went to bed a happy camper. Next day, I can still edit my app code in processing bu…

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## [MIDI to TXT list](https://discourse.processing.org/t/midi-to-txt-list/26808)

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**Author:** [@username1](https://discourse.processing.org/u/username1)\
**Replies:** 2\
**Last updated:** [January 8, 2021, 9:52pm UTC](https://discourse.processing.org/t/midi-to-txt-list/26808 "2021-01-08T21:52:13Z")

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Hello everyone, could someone explain me, how exactly MIDI works or if you know how to convert midi file to text? My goal is to make a list of notes with time stamps, other things like velocity are optimal, but not nece…

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## [Problem with playing online audio using minim](https://discourse.processing.org/t/problem-with-playing-online-audio-using-minim/26890)

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**Author:** [@ylii](https://discourse.processing.org/u/ylii)\
**Replies:** 1\
**Last updated:** [January 8, 2021, 5:58pm UTC](https://discourse.processing.org/t/problem-with-playing-online-audio-using-minim/26890 "2021-01-08T17:58:19Z")

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hello, I tried to loadsample with an URL using Minim, but the sound can’t be loaded. Anyone has an idea? Thanks in advance! minim = new Minim(this); sample = minim.loadFile(“http://www.soundcities.com/global/mp3s/aarh…

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