# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=5

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

**Page:** 6

---

## [Wacom Intuos drawing + pressure](https://discourse.processing.org/t/wacom-intuos-drawing-pressure/44590)

<div class="topic-metadata">

**Author:** [@lucnijs](https://discourse.processing.org/u/lucnijs)\
**Replies:** 7\
**Last updated:** [June 14, 2024, 10:36am UTC](https://discourse.processing.org/t/wacom-intuos-drawing-pressure/44590 "2024-06-14T10:36:47Z")

</div>

Hi everybody, I’m totally new to processing. I would like to use a wacom tablet, to have people draw to music. It is important that, while drawing, strake changes according to pressure. I have tried chatgpt to get som…

---

## [\[Java\] 'Network' library related - server issue](https://discourse.processing.org/t/java-network-library-related-server-issue/44579)

<div class="topic-metadata">

**Author:** [@GWAK](https://discourse.processing.org/u/GWAK)\
**Replies:** 3\
**Last updated:** [June 12, 2024, 8:08pm UTC](https://discourse.processing.org/t/java-network-library-related-server-issue/44579 "2024-06-12T20:08:58Z")

</div>

\[JAVA\] ‘Network’ library related - server issue hello. Reference link: available() / Libraries / Processing.org Client thisClient = myServer.available(); if (thisClient !=null) { // 1) T1 : Initial connection…

---

## [Problem with OSC message from Processing to Max/MSP](https://discourse.processing.org/t/problem-with-osc-message-from-processing-to-max-msp/44214)

<div class="topic-metadata">

**Author:** [@bking](https://discourse.processing.org/u/bking)\
**Replies:** 0\
**Last updated:** [April 2, 2024, 2:09pm UTC](https://discourse.processing.org/t/problem-with-osc-message-from-processing-to-max-msp/44214 "2024-04-02T14:09:54Z")

</div>

Good morning, I manage to send at the same time 9 integers from 0 to 127 from Pocessing to max/msp But when I start processing, my image streams in max/msp become inconsistent, with lag Is it possible to send less dat…

---

## [G4P Key Event Fires Twice](https://discourse.processing.org/t/g4p-key-event-fires-twice/44571)

<div class="topic-metadata">

**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 4\
**Last updated:** [June 10, 2024, 5:24pm UTC](https://discourse.processing.org/t/g4p-key-event-fires-twice/44571 "2024-06-10T17:24:06Z")

</div>

Some reason when I use a key event on a second window, the event is fired twice. Issue is there for image buttons and normal buttons. Have also tried the new update to the library but no joy. Here’s repeatable code: im…

---

## [How to disable text area in G4P](https://discourse.processing.org/t/how-to-disable-text-area-in-g4p/44543)

<div class="topic-metadata">

**Author:** [@hakim](https://discourse.processing.org/u/hakim)\
**Replies:** 5\
**Last updated:** [June 10, 2024, 1:38pm UTC](https://discourse.processing.org/t/how-to-disable-text-area-in-g4p/44543 "2024-06-10T13:38:39Z")

</div>

Hi, hope you doing all well, is there a way to disable text area in G4P ? i mean i want to add a help interface with small instructions on it and the user can’t of course modify the content of the help page, but i did n …

---

## [G4P - Secondary Window Buttons Not Always Reliable](https://discourse.processing.org/t/g4p-secondary-window-buttons-not-always-reliable/44518)

<div class="topic-metadata">

**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 19\
**Last updated:** [June 8, 2024, 12:50pm UTC](https://discourse.processing.org/t/g4p-secondary-window-buttons-not-always-reliable/44518 "2024-06-08T12:50:52Z")

</div>

Hi, I’m using the fantastic G4P library, and I’ve made some secondary windows with buttons on them. I’m using the technique of creating them null, and then showing/hiding them with other buttons. I’m finding that somet…

---

## [ControlP5 Events & Callbacks Help Needed](https://discourse.processing.org/t/controlp5-events-callbacks-help-needed/44527)

<div class="topic-metadata">

**Author:** [@thb](https://discourse.processing.org/u/thb)\
**Replies:** 0\
**Last updated:** [June 3, 2024, 5:58am UTC](https://discourse.processing.org/t/controlp5-events-callbacks-help-needed/44527 "2024-06-03T05:58:13Z")

</div>

import controlP5.\*; //\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\* //\* How to use ControlP5 Events & Callbacks //\* //\* This program shows 4 differnt Contr…

---

## [G4P Dialog Box Question](https://discourse.processing.org/t/g4p-dialog-box-question/44488)

<div class="topic-metadata">

**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 6\
**Last updated:** [May 28, 2024, 1:42pm UTC](https://discourse.processing.org/t/g4p-dialog-box-question/44488 "2024-05-28T13:42:30Z")

</div>

Hi Peter, I was wondering if it is possible to change the icons in the G4P dialog boxes? I’d like to use my own instead of the default ones. Here’s what the example shows: What if I want to use an “I” in a circle or …

---

## [Kinect processing](https://discourse.processing.org/t/kinect-processing/44433)

<div class="topic-metadata">

**Author:** [@Cristinaufffffff](https://discourse.processing.org/u/Cristinaufffffff)\
**Replies:** 1\
**Last updated:** [May 26, 2024, 1:35pm UTC](https://discourse.processing.org/t/kinect-processing/44433 "2024-05-26T13:35:13Z")

</div>

import KinectPV2.\*; KinectPV2 kinect; void setup() { kinect = new KinectPV2(this); //Start up methods go here kinect.init(); } PImage img; void setup() { size(512, 484); kinect = new Kinect(this); kinect.e…

---

## [\[Deep Vision Library\] How can I use my own YOLO-v5?](https://discourse.processing.org/t/deep-vision-library-how-can-i-use-my-own-yolo-v5/44481)

<div class="topic-metadata">

**Author:** [@GWAK](https://discourse.processing.org/u/GWAK)\
**Replies:** 4\
**Last updated:** [May 25, 2024, 11:06am UTC](https://discourse.processing.org/t/deep-vision-library-how-can-i-use-my-own-yolo-v5/44481 "2024-05-25T11:06:07Z")

</div>

\[Deep Vision Library\] How can I use my own YOLO-v5? @cansik hello. Nice to meet you. Library (url): GitHub - cansik/deep-vision-processing: Deep computer-vision algorithms for the Processing framework. Source code (u…

---

## [Facial recognition for users](https://discourse.processing.org/t/facial-recognition-for-users/44477)

<div class="topic-metadata">

**Author:** [@GWAK](https://discourse.processing.org/u/GWAK)\
**Replies:** 7\
**Last updated:** [May 25, 2024, 12:17am UTC](https://discourse.processing.org/t/facial-recognition-for-users/44477 "2024-05-25T00:17:33Z")

</div>

Facial recognition for users hello. Nice to meet you. library : Deep Vision OpenCV for Processing link: opencv-processing/examples/WhichFace/WhichFace.pde at master · cansik/opencv-processing · GitHub Q1. It is eas…

---

## [G4P How to use fireallevents?](https://discourse.processing.org/t/g4p-how-to-use-fireallevents/44435)

<div class="topic-metadata">

**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 24\
**Last updated:** [May 23, 2024, 9:29am UTC](https://discourse.processing.org/t/g4p-how-to-use-fireallevents/44435 "2024-05-23T09:29:43Z")

</div>

Hi Peter, I’m trying to use the “RELEASED” event for an image button, and I’m referring to your reference page, under GImageButton, mouseEvent: void handleButtonEvents(void handleButtonEvents(GImageButton button, GEvent…

---

## [Perform Realtime Audio Analysis on Speaker Output](https://discourse.processing.org/t/perform-realtime-audio-analysis-on-speaker-output/44464)

<div class="topic-metadata">

**Author:** [@BrandMChaos](https://discourse.processing.org/u/BrandMChaos)\
**Replies:** 6\
**Last updated:** [May 21, 2024, 9:03pm UTC](https://discourse.processing.org/t/perform-realtime-audio-analysis-on-speaker-output/44464 "2024-05-21T21:03:49Z")

</div>

Currently, the FFTSpectrum example from the Sound library achieves the effect I’m looking for, but the sound it’s listening to is not. I want to know how to access the speaker output of my device and apply FFT to it in r…

---

## [Problem for exporting SVG from P5js editor](https://discourse.processing.org/t/problem-for-exporting-svg-from-p5js-editor/44448)

<div class="topic-metadata">

**Author:** [@nicolast](https://discourse.processing.org/u/nicolast)\
**Replies:** 1\
**Last updated:** [May 19, 2024, 8:18pm UTC](https://discourse.processing.org/t/problem-for-exporting-svg-from-p5js-editor/44448 "2024-05-19T20:18:19Z")

</div>

Hello, I have problems with exporting in SVG format. Some weeks ago, it was possible to export files in SVG with the method explained by gorilla sun, but it no longer works and I don’t know why. My level in programing i…

---

## [G4P Way to Create New Window Hidden?](https://discourse.processing.org/t/g4p-way-to-create-new-window-hidden/44418)

<div class="topic-metadata">

**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 8\
**Last updated:** [May 13, 2024, 10:03pm UTC](https://discourse.processing.org/t/g4p-way-to-create-new-window-hidden/44418 "2024-05-13T22:03:24Z")

</div>

Hi, I’m using G4P, wonderful lib! I’ve found a way to programmatically create windows and hide them - based on posts here and Peter’s fab library! All Peter’s code; works great. What I haven’t found is a way to create a…

---

## [G4P Cancel Selection in Textfield?](https://discourse.processing.org/t/g4p-cancel-selection-in-textfield/44383)

<div class="topic-metadata">

**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 18\
**Last updated:** [May 13, 2024, 3:16pm UTC](https://discourse.processing.org/t/g4p-cancel-selection-in-textfield/44383 "2024-05-13T15:16:23Z")

</div>

Hi Peter et al, just wondering if there’s a way to use the .cancelSelection() method for G4P texfields? Here’s the code: void unselectAllFields() { tfCC0.cancelSelection(); tfCC1.cancelSelection(); tfCC2.cancelSe…

---

## [G4P Create new Control-class to use in Sketch](https://discourse.processing.org/t/g4p-create-new-control-class-to-use-in-sketch/44047)

<div class="topic-metadata">

**Author:** [@Marcel](https://discourse.processing.org/u/Marcel)\
**Replies:** 10\
**Last updated:** [May 12, 2024, 8:08am UTC](https://discourse.processing.org/t/g4p-create-new-control-class-to-use-in-sketch/44047 "2024-05-12T08:08:39Z")

</div>

Hi, Recently I came across this awesome tool G4P GUI Builder to use for my project. I would like to create a new Control to mimic a Encoder Knob. I’ve been fumbling around with the DKnob Class to change it into a new DE…

---

## [Control P5 Slider rounds incorrectly on negative number](https://discourse.processing.org/t/control-p5-slider-rounds-incorrectly-on-negative-number/44413)

<div class="topic-metadata">

**Author:** [@dfecker](https://discourse.processing.org/u/dfecker)\
**Replies:** 1\
**Last updated:** [May 11, 2024, 12:48pm UTC](https://discourse.processing.org/t/control-p5-slider-rounds-incorrectly-on-negative-number/44413 "2024-05-11T12:48:19Z")

</div>

When the Slider reaches -40 it return a -39.99 and rounds down to a -39. If every other value returned in this example is an int and base 10 why is the -40 off? And how do I fix it so my numbers are multiples of 10 from …

---

## [Triangled terrain audio visualizer](https://discourse.processing.org/t/triangled-terrain-audio-visualizer/44384)

<div class="topic-metadata">

**Author:** [@funnyrectangles](https://discourse.processing.org/u/funnyrectangles)\
**Replies:** 3\
**Last updated:** [May 7, 2024, 1:27am UTC](https://discourse.processing.org/t/triangled-terrain-audio-visualizer/44384 "2024-05-07T01:27:21Z")

</div>

Inspired by Coding Challenge: 3D Terrain Generation with Perlin Noise I would like to create an audio visualizer that display several successive audio frames as a terrain. I managed to create a basic working sketch bu…

---

## [G4P Droplist - Can it open UP?](https://discourse.processing.org/t/g4p-droplist-can-it-open-up/44390)

<div class="topic-metadata">

**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 2\
**Last updated:** [May 6, 2024, 10:28am UTC](https://discourse.processing.org/t/g4p-droplist-can-it-open-up/44390 "2024-05-06T10:28:34Z")

</div>

OK here’s a little bit of a weird one, but I want to use a droplist at the bottom of the app window. But it drops DOWN only, so options are not visible. I can’t find a property to set it to open “upwards” instead of dow…

---

## [G4P TextArea/Textfield Length Filter - ALMOST working](https://discourse.processing.org/t/g4p-textarea-textfield-length-filter-almost-working/44363)

<div class="topic-metadata">

**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 12\
**Last updated:** [May 4, 2024, 5:02pm UTC](https://discourse.processing.org/t/g4p-textarea-textfield-length-filter-almost-working/44363 "2024-05-04T17:02:36Z")

</div>

Hi Peter, I started this as a new thread because the old one was really about filtering for data type. Based on your helpful sketch, I’ve implemented the following to limit character entry to 3 in a textAREA: public v…

---

## [Beginner looking to translate sound to 'drawing'](https://discourse.processing.org/t/beginner-looking-to-translate-sound-to-drawing/44367)

<div class="topic-metadata">

**Author:** [@Lee14](https://discourse.processing.org/u/Lee14)\
**Replies:** 1\
**Last updated:** [May 1, 2024, 3:23pm UTC](https://discourse.processing.org/t/beginner-looking-to-translate-sound-to-drawing/44367 "2024-05-01T15:23:25Z")

</div>

I was wondering whether someone has some code which i can play with to take a recorded bit of sound and translate into graphic marks …

---

## [G4P textArea Questions (delete text in textArea, textArea text jittering)](https://discourse.processing.org/t/g4p-textarea-questions-delete-text-in-textarea-textarea-text-jittering/28645)

<div class="topic-metadata">

**Author:** [@C-Level-Increment](https://discourse.processing.org/u/C-Level-Increment)\
**Replies:** 17\
**Last updated:** [April 29, 2024, 3:16pm UTC](https://discourse.processing.org/t/g4p-textarea-questions-delete-text-in-textarea-textarea-text-jittering/28645 "2024-04-29T15:16:34Z")

</div>

Hi There, first of all: the G4P GUI builder is awesome, thanks for such a great tool. I am using the tool together with the grafica library to make a graphic plotter applet with multiple windows (main, settings, help…)…

---

## [Export sketch (using G4P) successful, but app run fails](https://discourse.processing.org/t/export-sketch-using-g4p-successful-but-app-run-fails/44345)

<div class="topic-metadata">

**Author:** [@Marcel](https://discourse.processing.org/u/Marcel)\
**Replies:** 7\
**Last updated:** [April 26, 2024, 8:25pm UTC](https://discourse.processing.org/t/export-sketch-using-g4p-successful-but-app-run-fails/44345 "2024-04-26T20:25:51Z")

</div>

Hey There, I did searched for any similar problems on the forum but unlucky to find anything that could help me further. I’ve created a sketch, using G4P, exported the file successfully ( Processing feedback window : …

---

## [Analyze sound without playing it out loud](https://discourse.processing.org/t/analyze-sound-without-playing-it-out-loud/44339)

<div class="topic-metadata">

**Author:** [@lucedan](https://discourse.processing.org/u/lucedan)\
**Replies:** 1\
**Last updated:** [April 25, 2024, 11:35am UTC](https://discourse.processing.org/t/analyze-sound-without-playing-it-out-loud/44339 "2024-04-25T11:35:05Z")

</div>

Hello, I am creating a patch to add visuals to my musical composition. So, I am planning to have a number of musical channels (in and out) in SuperCollider. Then, I would like to listen to have Processing listen to thes…

---

## [How to Highlight Text in a ControlP5 Textfield?](https://discourse.processing.org/t/how-to-highlight-text-in-a-controlp5-textfield/44256)

<div class="topic-metadata">

**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 26\
**Last updated:** [April 11, 2024, 2:36pm UTC](https://discourse.processing.org/t/how-to-highlight-text-in-a-controlp5-textfield/44256 "2024-04-11T14:36:02Z")

</div>

I’m feeling rather dense ATM, but I’m using the standard example that comes with Control5P for text fields, and I cannot seem to highlight text that I enter. I want to the user to be able to type something, then highligh…

---

## [G4P Lib - Slow Loading & GUI Builder Crashing Issues](https://discourse.processing.org/t/g4p-lib-slow-loading-gui-builder-crashing-issues/44250)

<div class="topic-metadata">

**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 7\
**Last updated:** [April 11, 2024, 2:04pm UTC](https://discourse.processing.org/t/g4p-lib-slow-loading-gui-builder-crashing-issues/44250 "2024-04-11T14:04:07Z")

</div>

Hi, two general issues, on a terrific library. 1). I noticed if I have some G4P controls, like toggle buttons or sliders, or whatever, and also the sketch has some static elements I’m drawing in draw(), like rectangles …

---

## [Using OpenCV 3.x with Processing 3](https://discourse.processing.org/t/using-opencv-3-x-with-processing-3/44266)

<div class="topic-metadata">

**Author:** [@Norilla](https://discourse.processing.org/u/Norilla)\
**Replies:** 0\
**Last updated:** [April 10, 2024, 7:01pm UTC](https://discourse.processing.org/t/using-opencv-3-x-with-processing-3/44266 "2024-04-10T19:01:59Z")

</div>

We were wondering if there is a way to use Processing 3 with open CV 3.x versions. OpenCV for processing library uses OpenCV 2.4.5 doesn’t have the functionalities (temporal matching) we need that openCV 3 and above have…

---

## [Loading a GIF in Processing](https://discourse.processing.org/t/loading-a-gif-in-processing/23020)

<div class="topic-metadata">

**Author:** [@qewer3322](https://discourse.processing.org/u/qewer3322)\
**Replies:** 8\
**Last updated:** [April 8, 2024, 3:22pm UTC](https://discourse.processing.org/t/loading-a-gif-in-processing/23020 "2024-04-08T15:22:12Z")

</div>

So I need to display a couple of gifs in my sketch, I searched at google a bit, what I found: This example: Animated Sprite (Shifty + Teddy) / Examples / Processing.org which doesnt halp me, I need to load a gif; not …

---

## [Capture Card (video) error](https://discourse.processing.org/t/capture-card-video-error/44244)

<div class="topic-metadata">

**Author:** [@AliKo](https://discourse.processing.org/u/AliKo)\
**Replies:** 0\
**Last updated:** [April 7, 2024, 10:00pm UTC](https://discourse.processing.org/t/capture-card-video-error/44244 "2024-04-07T22:00:31Z")

</div>

Dear all, Something has updated on my Win11, and now I can not access the capture card live feed anymore. The video sources available are listed like that: \[0\] “UltraStudio Recorder 3G (Video Capture)” \[1\] “Integrate…

[Previous page](https://discourse.processing.org/c/processing/processing-libraries/19.md?page=4)

[Next page](https://discourse.processing.org/c/processing/processing-libraries/19.md?page=6)