# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=63

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**Page:** 64

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## [Sound Input Considerable latency](https://discourse.processing.org/t/sound-input-considerable-latency/7770)

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**Author:** [@n055](https://discourse.processing.org/u/n055)\
**Replies:** 10\
**Last updated:** [February 7, 2019, 9:45am UTC](https://discourse.processing.org/t/sound-input-considerable-latency/7770 "2019-02-07T09:45:51Z")

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Hi, Im using the Sound library in processing (I think it comes form the Jsyn source?) anyways,I’m using it to make an audio visualizer to be used in a live music set. Currently everything is working properly with peak am…

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## [Processing with Max MSP](https://discourse.processing.org/t/processing-with-max-msp/8081)

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**Author:** [@LordCacops](https://discourse.processing.org/u/LordCacops)\
**Replies:** 2\
**Last updated:** [February 6, 2019, 5:09pm UTC](https://discourse.processing.org/t/processing-with-max-msp/8081 "2019-02-06T17:09:19Z")

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Hello. I am trying to link up Processing with Max. I am particularly interested in sending data from Processing into Max. I downloaded a thing called Maxlink 0.36, but its latest version is from 2010. \[http://jklabs.net…

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## [Image Encryption/Decryption tool bug](https://discourse.processing.org/t/image-encryption-decryption-tool-bug/8119)

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**Author:** [@cheetahdoesstuff](https://discourse.processing.org/u/cheetahdoesstuff)\
**Replies:** 2\
**Last updated:** [February 5, 2019, 6:05pm UTC](https://discourse.processing.org/t/image-encryption-decryption-tool-bug/8119 "2019-02-05T18:05:08Z")

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Hello I am trying to make an image encryptor/decryptor for a hobby project of mine and I’ve gotten it to work but it has a weird bug. Here are the images (code further down) Original: Encrypted file(Slightly downsca…

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## [mouseWheel on g4p window](https://discourse.processing.org/t/mousewheel-on-g4p-window/8134)

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**Author:** [@Dennis](https://discourse.processing.org/u/Dennis)\
**Replies:** 2\
**Last updated:** [February 5, 2019, 1:36pm UTC](https://discourse.processing.org/t/mousewheel-on-g4p-window/8134 "2019-02-05T13:36:59Z")

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Hi guys, I would translate a g4p label on g4p further window but i can’t do it. If I use the translate(x,y) function on main window it work fine but in another g4p window it doesn’t. The function mouseWheel works only w…

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## [Mic input animating something complex](https://discourse.processing.org/t/mic-input-animating-something-complex/8128)

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**Author:** [@Sigsound](https://discourse.processing.org/u/Sigsound)\
**Replies:** 1\
**Last updated:** [February 5, 2019, 5:22am UTC](https://discourse.processing.org/t/mic-input-animating-something-complex/8128 "2019-02-05T05:22:03Z")

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Hi! I grabbed this Plexus effect someone made, combined with the Mic Input from the sound gallery… I’d like to animate certain properties of the balls and lines with input from the Mic. Here’s what I have so far… what …

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## [Connect to Socket.io](https://discourse.processing.org/t/connect-to-socket-io/7660)

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**Author:** [@Quillbert1](https://discourse.processing.org/u/Quillbert1)\
**Replies:** 6\
**Last updated:** [February 5, 2019, 5:09am UTC](https://discourse.processing.org/t/connect-to-socket-io/7660 "2019-02-05T05:09:29Z")

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I was wondering if it is possible to connect a processing sketch using the websockets library to socket.io. I tried it and got an error.

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## [Switching from menu to game](https://discourse.processing.org/t/switching-from-menu-to-game/8086)

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**Author:** [@Corroas](https://discourse.processing.org/u/Corroas)\
**Replies:** 2\
**Last updated:** [February 4, 2019, 9:22pm UTC](https://discourse.processing.org/t/switching-from-menu-to-game/8086 "2019-02-04T21:22:36Z")

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Hi ! So, I’m trying to make a game for a school project and I’ve only made a menu so far, anyway I’d like some help on switching from the menu screen to the game screen. Right now, when I click on my button, nothing real…

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## [Problem with java](https://discourse.processing.org/t/problem-with-java/8084)

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**Author:** [@franck](https://discourse.processing.org/u/franck)\
**Replies:** 4\
**Last updated:** [February 4, 2019, 9:22pm UTC](https://discourse.processing.org/t/problem-with-java/8084 "2019-02-04T21:22:31Z")

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Hello, I have a problem with the executable file after the export. The executable does not work. When launching the executable my program stops at the line “cp5 = new ControlP5 (this);”. When I compile the program (run…

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## [Image tracking similar](https://discourse.processing.org/t/image-tracking-similar/8018)

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**Author:** [@matheplica](https://discourse.processing.org/u/matheplica)\
**Replies:** 2\
**Last updated:** [February 4, 2019, 3:28pm UTC](https://discourse.processing.org/t/image-tracking-similar/8018 "2019-02-04T15:28:49Z")

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Hi, I would like to see in this computer vision one image with red pixels and the other normal but here the both are with red pixels. void draw() { image(ps3eye.getFrame(), 0, 0); tracking = ps3eye.getFrame(); tr…

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## [Class/Object as a PVector for Kinect repelling](https://discourse.processing.org/t/class-object-as-a-pvector-for-kinect-repelling/7966)

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**Author:** [@wewantwok](https://discourse.processing.org/u/wewantwok)\
**Replies:** 2\
**Last updated:** [February 3, 2019, 12:07pm UTC](https://discourse.processing.org/t/class-object-as-a-pvector-for-kinect-repelling/7966 "2019-02-03T12:07:21Z")

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Hi! First time posting on here. I’m writing a Sketch for a Kinect camera to make an attractor/repeller for some particles. I started out with an attraction/repelling tutorial from Daniel Shiffmann and tried to combine …

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## [Processing library for checkbox, combobox, Text Box, Command Button, ecc](https://discourse.processing.org/t/processing-library-for-checkbox-combobox-text-box-command-button-ecc/8022)

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**Author:** [@aster](https://discourse.processing.org/u/aster)\
**Replies:** 8\
**Last updated:** [February 1, 2019, 7:48pm UTC](https://discourse.processing.org/t/processing-library-for-checkbox-combobox-text-box-command-button-ecc/8022 "2019-02-01T19:48:19Z")

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Hello, Recently I have been using Visul Basic for Apllication (VBA) and I made a userForm with it. Even if i didn’t enjoyed too much VBA I fallen completely in love with the ease of use of some tools inside it, you can …

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## [Toggle Text on controlP5](https://discourse.processing.org/t/toggle-text-on-controlp5/8014)

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**Author:** [@Coolconor98](https://discourse.processing.org/u/Coolconor98)\
**Replies:** 2\
**Last updated:** [February 1, 2019, 5:51pm UTC](https://discourse.processing.org/t/toggle-text-on-controlp5/8014 "2019-02-01T17:51:04Z")

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So I’m using a library called controlP5 for a project I’m doing. I’m making a menu where I use conrtolP5’s buttons and toggles. The buttons work fine but I’m having a problem with the toggles. The buttons have the nam…

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## [Trying to make a button that switches tabs with Control P5. Currently it switches between tabs, but everything on that tab becomes unusable](https://discourse.processing.org/t/trying-to-make-a-button-that-switches-tabs-with-control-p5-currently-it-switches-between-tabs-but-everything-on-that-tab-becomes-unusable/8008)

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**Author:** [@ryan123rudder](https://discourse.processing.org/u/ryan123rudder)\
**Replies:** 0\
**Last updated:** [January 31, 2019, 11:51pm UTC](https://discourse.processing.org/t/trying-to-make-a-button-that-switches-tabs-with-control-p5-currently-it-switches-between-tabs-but-everything-on-that-tab-becomes-unusable/8008 "2019-01-31T23:51:26Z")

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I need a button on one page that switches to another tab. This would be in addition to the original tab button. With great difficulty, I have it in such a state that it switches to the right tab, but it makes everything …

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## [G4P: How can I make text inside editText field be Capital letter?](https://discourse.processing.org/t/g4p-how-can-i-make-text-inside-edittext-field-be-capital-letter/7984)

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**Author:** [@sagagt505](https://discourse.processing.org/u/sagagt505)\
**Replies:** 3\
**Last updated:** [January 31, 2019, 9:06am UTC](https://discourse.processing.org/t/g4p-how-can-i-make-text-inside-edittext-field-be-capital-letter/7984 "2019-01-31T09:06:59Z")

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Hello, I finally make some input field to insert my data but I need my text inside input field shows the only capital letter. No matter I input the text with a capital letter or not. Example: If I want to type text “hi”…

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## [NURBS surface with Toxiclibs](https://discourse.processing.org/t/nurbs-surface-with-toxiclibs/7747)

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**Author:** [@solub](https://discourse.processing.org/u/solub)\
**Replies:** 2\
**Last updated:** [January 30, 2019, 9:58pm UTC](https://discourse.processing.org/t/nurbs-surface-with-toxiclibs/7747 "2019-01-30T21:58:38Z")

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Hi all, I’m desperately trying to create a nurbs surface using the toxiclibs library. Because of the missing Java doc and also because of the complete lack of related example on the web I contacted Karsten Schmidt abou…

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## [Instagram Scraping](https://discourse.processing.org/t/instagram-scraping/7967)

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**Author:** [@eduzal](https://discourse.processing.org/u/eduzal)\
**Replies:** 4\
**Last updated:** [January 30, 2019, 6:20pm UTC](https://discourse.processing.org/t/instagram-scraping/7967 "2019-01-30T18:20:03Z")

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Every now and than i get to play cat and mouse with Instagram API. Today I’ve stumbled this recent article Instagram Data Scraping from Public API I’ve followed the guidelines in processing and stumbled with a few probl…

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## [ControlP5 has any copy and paste function in Textarea or input field?](https://discourse.processing.org/t/controlp5-has-any-copy-and-paste-function-in-textarea-or-input-field/7927)

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**Author:** [@sagagt505](https://discourse.processing.org/u/sagagt505)\
**Replies:** 7\
**Last updated:** [January 30, 2019, 12:02pm UTC](https://discourse.processing.org/t/controlp5-has-any-copy-and-paste-function-in-textarea-or-input-field/7927 "2019-01-30T12:02:45Z")

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How do I add copy & paste functionality to a Textarea or input field? Sample Code from ControlP5 cp5.addTextfield("word1") .setPosition(290,245) .setSize(240,25) .setFont(createFont("arial",16)) .setColorValue(#000…

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## [How to smooth out frequencies while using fft for visualization?](https://discourse.processing.org/t/how-to-smooth-out-frequencies-while-using-fft-for-visualization/7903)

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**Author:** [@Geeky](https://discourse.processing.org/u/Geeky)\
**Replies:** 3\
**Last updated:** [January 30, 2019, 5:08am UTC](https://discourse.processing.org/t/how-to-smooth-out-frequencies-while-using-fft-for-visualization/7903 "2019-01-30T05:08:43Z")

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How can I smooth out frequencies to eliminate extra vibrations while processing a sound wave using minim and processing? Kindly check out this 3d visualizer demo video, I’m working on, for reference.

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## [Push button image](https://discourse.processing.org/t/push-button-image/7880)

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**Author:** [@Dolomiti](https://discourse.processing.org/u/Dolomiti)\
**Replies:** 1\
**Last updated:** [January 29, 2019, 6:38pm UTC](https://discourse.processing.org/t/push-button-image/7880 "2019-01-29T18:38:24Z")

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Is it possible to put a push button image ?. Control.lp5, from Sojamo libraries Thank you //cp5.addButton("columns\_1\_rows\_1") //position of button cp5.addButton("A") .setPosition(30, 170) //x and y coordin…

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## [The package “META” does not exist. You might be missing a library](https://discourse.processing.org/t/the-package-meta-does-not-exist-you-might-be-missing-a-library/7912)

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**Author:** [@clankill3r](https://discourse.processing.org/u/clankill3r)\
**Replies:** 0\
**Last updated:** [January 28, 2019, 9:25pm UTC](https://discourse.processing.org/t/the-package-meta-does-not-exist-you-might-be-missing-a-library/7912 "2019-01-28T21:25:43Z")

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I try to use the library byte-buddy. Located here: https://mvnrepository.com/artifact/net.bytebuddy/byte-buddy/1.9.2 In VSCode it works fine but now I want to use it in processing. When dragging it on a sketch (so it…

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## [Is 2D DXF Export possible (w/ arcs)? Interested for laser engraving](https://discourse.processing.org/t/is-2d-dxf-export-possible-w-arcs-interested-for-laser-engraving/1467)

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**Author:** [@thehans](https://discourse.processing.org/u/thehans)\
**Replies:** 3\
**Last updated:** [January 26, 2019, 10:17pm UTC](https://discourse.processing.org/t/is-2d-dxf-export-possible-w-arcs-interested-for-laser-engraving/1467 "2019-01-26T22:17:10Z")

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I have a design which consists of just arc paths, and I want to laser engrave that onto a surface. I made a processing sketch to generate the pattern using PDF Export library. The PDF looked just how I wanted. But the…

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## [OpenCV "FindContours" wont get me the number of Points](https://discourse.processing.org/t/opencv-findcontours-wont-get-me-the-number-of-points/7749)

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**Author:** [@laptophead](https://discourse.processing.org/u/laptophead)\
**Replies:** 10\
**Last updated:** [January 26, 2019, 8:41pm UTC](https://discourse.processing.org/t/opencv-findcontours-wont-get-me-the-number-of-points/7749 "2019-01-26T20:41:00Z")

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I am using the example “findContours” from the Open CV library. Here I found the reference for the library. http://atduskgreg.github.io/opencv-processing/reference/gab/opencv/Contour.html I am trying to determine how …

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## [CRC8, CRC16 and conversion to little endian (udp)](https://discourse.processing.org/t/crc8-crc16-and-conversion-to-little-endian-udp/7646)

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**Author:** [@f42ter](https://discourse.processing.org/u/f42ter)\
**Replies:** 1\
**Last updated:** [January 25, 2019, 5:21pm UTC](https://discourse.processing.org/t/crc8-crc16-and-conversion-to-little-endian-udp/7646 "2019-01-25T17:21:40Z")

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Just starting to code for the DJI Tello quadrocopter (see https://github.com/f41ardu/TelloProcessing/tree/master ), cause you can control Tello in an SDK mode sending commands. But to make most out of this little gadget…

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## [TexCoord postProcessing shader problem](https://discourse.processing.org/t/texcoord-postprocessing-shader-problem/7690)

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**Author:** [@vjjv](https://discourse.processing.org/u/vjjv)\
**Replies:** 9\
**Last updated:** [January 25, 2019, 9:03am UTC](https://discourse.processing.org/t/texcoord-postprocessing-shader-problem/7690 "2019-01-25T09:03:37Z")

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hello! im trying to implement some ligth effect to a sphere. the idea is that it seems to emit light in a volumetric way, in the direction of the normal vectors. but i dont know exactly how can i do it. my fragment shad…

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## [Library to apply BandPass filter for EEG signals in Processing](https://discourse.processing.org/t/library-to-apply-bandpass-filter-for-eeg-signals-in-processing/4972)

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**Author:** [@Tanvi](https://discourse.processing.org/u/Tanvi)\
**Replies:** 8\
**Last updated:** [January 25, 2019, 5:34am UTC](https://discourse.processing.org/t/library-to-apply-bandpass-filter-for-eeg-signals-in-processing/4972 "2019-01-25T05:34:53Z")

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Hi, I want to filter my incoming EEG data in processing before plotting. I explored the “Sound” library of processing (https://processing.org/reference/libraries/sound/index.html), but I think this is specifically for au…

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## [Carnivore library for Windows](https://discourse.processing.org/t/carnivore-library-for-windows/7819)

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**Author:** [@Pr0tonX](https://discourse.processing.org/u/Pr0tonX)\
**Replies:** 0\
**Last updated:** [January 24, 2019, 8:01pm UTC](https://discourse.processing.org/t/carnivore-library-for-windows/7819 "2019-01-24T20:01:04Z")

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Hi everyone, I wanted to know if some of you had already tried to play with the Carnivore library ; wich require WinPCap to be used on Windows. Do I have to do something with it ;or just launch it and the sniffing will …

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## [Cant get this library to work - launchpad libarary](https://discourse.processing.org/t/cant-get-this-library-to-work-launchpad-libarary/7210)

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**Author:** [@Brastin](https://discourse.processing.org/u/Brastin)\
**Replies:** 1\
**Last updated:** [January 24, 2019, 6:01pm UTC](https://discourse.processing.org/t/cant-get-this-library-to-work-launchpad-libarary/7210 "2019-01-24T18:01:06Z")

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I’ve been trying forever to get this launchpad library to work with processing. I’ve looked everywhere for any info on how to get it to work but I just can’t find anything. The library seems to be made for an older versi…

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## [Grafica Library, changing colour of specific points](https://discourse.processing.org/t/grafica-library-changing-colour-of-specific-points/7151)

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**Author:** [@simmi](https://discourse.processing.org/u/simmi)\
**Replies:** 2\
**Last updated:** [January 24, 2019, 4:45pm UTC](https://discourse.processing.org/t/grafica-library-changing-colour-of-specific-points/7151 "2019-01-24T16:45:42Z")

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I want to plot the graph of reading of gyroscope data vs Time. I am using grafica library. I am adding the point in the points in the loop and want to change the color of specific points when certain condition is detect…

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## [Master Pgraphics for Syphon](https://discourse.processing.org/t/master-pgraphics-for-syphon/7785)

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**Author:** [@mattleaf](https://discourse.processing.org/u/mattleaf)\
**Replies:** 1\
**Last updated:** [January 24, 2019, 10:29am UTC](https://discourse.processing.org/t/master-pgraphics-for-syphon/7785 "2019-01-24T10:29:56Z")

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hiya, had an account a while back but seems i needed a new one anyway, weird Q. I’m using layers of PGraphics objects pretty extensively in a project, however I’m now in a position where i need to use Syphon to do a re…

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## [【text\_to\_path】two lines cannot reveal along the path](https://discourse.processing.org/t/text-to-path-two-lines-cannot-reveal-along-the-path/7154)

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**Author:** [@shang](https://discourse.processing.org/u/shang)\
**Replies:** 2\
**Last updated:** [January 24, 2019, 9:02am UTC](https://discourse.processing.org/t/text-to-path-two-lines-cannot-reveal-along-the-path/7154 "2019-01-24T09:02:30Z")

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hi guys, i stuck in the situation that the tow text-line cannot reveal along the path. Following is the code … import tracer.\*; import tracer.paths.\*; //style int fgColor = #FFFFFF; //foreground color int bgColor = #DC…

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