# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=58

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

**Page:** 59

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## [Kinect and processing 3 thesis project](https://discourse.processing.org/t/kinect-and-processing-3-thesis-project/10683)

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**Author:** [@nourabdelbaky](https://discourse.processing.org/u/nourabdelbaky)\
**Replies:** 3\
**Last updated:** [April 29, 2019, 4:08pm UTC](https://discourse.processing.org/t/kinect-and-processing-3-thesis-project/10683 "2019-04-29T16:08:00Z")

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Hi! Im attempting to produce a fairly simple art piece for my senior thesis as a visual artist. What I basically want to do is project a video onto the wall, and use the Kinect as a proximity sensor (its all I have avail…

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## [Capture: How to solve "same name" issue with multiple cameras on linux?](https://discourse.processing.org/t/capture-how-to-solve-same-name-issue-with-multiple-cameras-on-linux/4805)

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**Author:** [@LFSaw](https://discourse.processing.org/u/LFSaw)\
**Replies:** 10\
**Last updated:** [April 29, 2019, 8:42am UTC](https://discourse.processing.org/t/capture-how-to-solve-same-name-issue-with-multiple-cameras-on-linux/4805 "2019-04-29T08:42:51Z")

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Hey there, first post :slight\_smile: I am trying to make available 2 PSEYE cameras on an Ubuntu linux machine. Unfortunately, they show up with the same name and using String\[\] cameras = Capture.list(); for (int i…

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## [Library or method to obtain audio playback data? Hz, Amp, etc](https://discourse.processing.org/t/library-or-method-to-obtain-audio-playback-data-hz-amp-etc/10735)

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**Author:** [@DerekCresswell](https://discourse.processing.org/u/DerekCresswell)\
**Replies:** 1\
**Last updated:** [April 29, 2019, 5:22am UTC](https://discourse.processing.org/t/library-or-method-to-obtain-audio-playback-data-hz-amp-etc/10735 "2019-04-29T05:22:53Z")

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I’m looking to create a project to visual audio. I obviously need audio to do that. I’d prefer to have it work with the system audio. But being able to input a mp3 or even a YT link. Any starting points? Thanks!

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## [Hwo to remove/clear a specific marker in unfolding map processing 3](https://discourse.processing.org/t/hwo-to-remove-clear-a-specific-marker-in-unfolding-map-processing-3/10669)

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**Author:** [@kkxxbdm](https://discourse.processing.org/u/kkxxbdm)\
**Replies:** 2\
**Last updated:** [April 28, 2019, 6:26pm UTC](https://discourse.processing.org/t/hwo-to-remove-clear-a-specific-marker-in-unfolding-map-processing-3/10669 "2019-04-28T18:26:09Z")

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Hi. I was trying to simulate the movement of a marker in unfolding map with processing 3. Please see the following picture. Could anyone please give me any hints?

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## [Loop section of video](https://discourse.processing.org/t/loop-section-of-video/10713)

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**Author:** [@BarryLimestone](https://discourse.processing.org/u/BarryLimestone)\
**Replies:** 1\
**Last updated:** [April 28, 2019, 2:49pm UTC](https://discourse.processing.org/t/loop-section-of-video/10713 "2019-04-28T14:49:42Z")

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Hello people, First of, I’m a total noob, so if anything I say is obvious or stupid, I hereby apologise. For a university project I’m trying to make an interactive (Think Bandersnatch) video that branches into differen…

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## [PixelFlow and Processing application can't run](https://discourse.processing.org/t/pixelflow-and-processing-application-cant-run/10280)

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**Author:** [@mrtn](https://discourse.processing.org/u/mrtn)\
**Replies:** 1\
**Last updated:** [April 17, 2019, 6:00pm UTC](https://discourse.processing.org/t/pixelflow-and-processing-application-cant-run/10280 "2019-04-17T18:00:24Z")

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bad error. In the Setup() of my application I imported an image … in the folder of my .exe there wasn’t my image :frowning: Simply I have to take the image in the folder

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## [=== Minim Error === === Couldn't invoke the sketchPath method: null](https://discourse.processing.org/t/minim-error-couldnt-invoke-the-sketchpath-method-null/10677)

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**Author:** [@jl24](https://discourse.processing.org/u/jl24)\
**Replies:** 2\
**Last updated:** [April 27, 2019, 5:54pm UTC](https://discourse.processing.org/t/minim-error-couldnt-invoke-the-sketchpath-method-null/10677 "2019-04-27T17:54:10Z")

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I’ve been using the minim library for a program that writes songs according to instructions. When I try to use AudioRecorder, I keep getting this error: === Minim Error === === Couldn't invoke the sketchPath method: nu…

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## [CColor initialization](https://discourse.processing.org/t/ccolor-initialization/10632)

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**Author:** [@ANDELE](https://discourse.processing.org/u/ANDELE)\
**Replies:** 1\
**Last updated:** [April 27, 2019, 8:40am UTC](https://discourse.processing.org/t/ccolor-initialization/10632 "2019-04-27T08:40:53Z")

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Hi everyone, I have a problem initializing a CColor variable in ControlP5, does anybody know how to do it? On the library reference I found: CColor(int cfg, int cbg, int cactive, int ccl, int cvl) cfg color foreground …

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## [Add / display markers at specific locations / positions (Unfolding map) with processing](https://discourse.processing.org/t/add-display-markers-at-specific-locations-positions-unfolding-map-with-processing/10657)

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**Author:** [@kkxxbdm](https://discourse.processing.org/u/kkxxbdm)\
**Replies:** 1\
**Last updated:** [April 26, 2019, 10:38am UTC](https://discourse.processing.org/t/add-display-markers-at-specific-locations-positions-unfolding-map-with-processing/10657 "2019-04-26T10:38:39Z")

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Hi, I was wondering, how to add / display markers at specific locations / positions? I tried a specific example, and it seems that it does not work. Could anyone please let me know what might be wrong in the code?

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## [How to make a button have sound](https://discourse.processing.org/t/how-to-make-a-button-have-sound/10576)

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**Author:** [@lillexi2u](https://discourse.processing.org/u/lillexi2u)\
**Replies:** 4\
**Last updated:** [April 24, 2019, 12:35pm UTC](https://discourse.processing.org/t/how-to-make-a-button-have-sound/10576 "2019-04-24T12:35:23Z")

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Hi, I’m working on a video game project where I have to incorporate sound, so far I have both of the buttons but cannot figure out how to make each buttons have 3 sets of sounds when clicked on. so far this is all I have…

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## [Audio Signal still going after AudioSample loop stopped](https://discourse.processing.org/t/audio-signal-still-going-after-audiosample-loop-stopped/10589)

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**Author:** [@Aeggy](https://discourse.processing.org/u/Aeggy)\
**Replies:** 2\
**Last updated:** [April 24, 2019, 7:10am UTC](https://discourse.processing.org/t/audio-signal-still-going-after-audiosample-loop-stopped/10589 "2019-04-24T07:10:06Z")

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Here I’m playing a 440Hz sine wave in an audio sample on loop. import processing.sound.\*; AudioSample sample; void setup() { int resolution = 1000; float\[\] sinewave = new float\[resolution\]; for (int i = 0; i \< re…

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## [Sprite on pokemon game](https://discourse.processing.org/t/sprite-on-pokemon-game/10369)

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**Author:** [@Icecrem](https://discourse.processing.org/u/Icecrem)\
**Replies:** 1\
**Last updated:** [April 17, 2019, 2:50am UTC](https://discourse.processing.org/t/sprite-on-pokemon-game/10369 "2019-04-17T02:50:19Z")

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Hey I am fairly new to processing, and am trying to make a Pokemon game by the things I have learned so far. I am trying to add a sprite to it, so my character gets an animation when walking. Is there any simple possibil…

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## [Customizable Multi-sketch processing program?](https://discourse.processing.org/t/customizable-multi-sketch-processing-program/10260)

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**Author:** [@stan\_11](https://discourse.processing.org/u/stan_11)\
**Replies:** 9\
**Last updated:** [April 23, 2019, 4:39pm UTC](https://discourse.processing.org/t/customizable-multi-sketch-processing-program/10260 "2019-04-23T16:39:31Z")

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Hi Nice to see you here, it would be great that if you can spare some of your time to help me go through this. I have trouble implementing multiple window application on Processing. Basic Background: I am developing a s…

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## [Constructors given in Sound Library documentation not working](https://discourse.processing.org/t/constructors-given-in-sound-library-documentation-not-working/10563)

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**Author:** [@Aeggy](https://discourse.processing.org/u/Aeggy)\
**Replies:** 7\
**Last updated:** [April 23, 2019, 2:21pm UTC](https://discourse.processing.org/t/constructors-given-in-sound-library-documentation-not-working/10563 "2019-04-23T14:21:46Z")

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Trying to use AudioSample, but I get an error on the constructor from the example given in the documentation. import processing.sound.\*; AudioSample sample; void setup() { size(640, 360); background(255); // C…

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## [Help: This sketch is attempting too much recursion, but there isn't much recursion](https://discourse.processing.org/t/help-this-sketch-is-attempting-too-much-recursion-but-there-isnt-much-recursion/10499)

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**Author:** [@tahtackle](https://discourse.processing.org/u/tahtackle)\
**Replies:** 9\
**Last updated:** [April 22, 2019, 9:17pm UTC](https://discourse.processing.org/t/help-this-sketch-is-attempting-too-much-recursion-but-there-isnt-much-recursion/10499 "2019-04-22T21:17:35Z")

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Hello everyone! I have a problem with my code, and I’m not sure where to start, as the error doesn’t give me much information (or rather, I don’t agree with the error). I have a sketch where I’m using thread() to creat…

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## [Convert JSON String to JSON Object and Parse all data](https://discourse.processing.org/t/convert-json-string-to-json-object-and-parse-all-data/10407)

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**Author:** [@KeremTurkyilmaz](https://discourse.processing.org/u/KeremTurkyilmaz)\
**Replies:** 4\
**Last updated:** [April 22, 2019, 8:14pm UTC](https://discourse.processing.org/t/convert-json-string-to-json-object-and-parse-all-data/10407 "2019-04-22T20:14:55Z")

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Hi, I need to send a nested Json file to a client. The problem is to parse all data properly to recreate the JSON file. I tried some stuff but I don’t think is the right way. WebSocket Server import websockets.\*; imp…

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## [What sample rate is Ketai audio input?](https://discourse.processing.org/t/what-sample-rate-is-ketai-audio-input/10528)

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**Author:** [@T-matsumoto](https://discourse.processing.org/u/T-matsumoto)\
**Replies:** 2\
**Last updated:** [April 22, 2019, 12:36pm UTC](https://discourse.processing.org/t/what-sample-rate-is-ketai-audio-input/10528 "2019-04-22T12:36:30Z")

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I am using ketai audio input on android apps created with processing, but I cannot find its mic sample rate and ketai’s reference is not described. Do you know the mic sample rate or how to find? Thank you.

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## [G4P - Peter, about the Droplist file - What Kind? Where?](https://discourse.processing.org/t/g4p-peter-about-the-droplist-file-what-kind-where/10475)

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**Author:** [@laptophead](https://discourse.processing.org/u/laptophead)\
**Replies:** 5\
**Last updated:** [April 21, 2019, 5:06pm UTC](https://discourse.processing.org/t/g4p-peter-about-the-droplist-file-what-kind-where/10475 "2019-04-21T17:06:30Z")

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Again, than you for the library. Tried to use for the first time that droplist but I get: The file “list\_396198” is missing or inaccessible, make sure the URL is valid or that the file has been added to your sketch and…

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## [How do you expand a kinect's window to match the size of the canvas?](https://discourse.processing.org/t/how-do-you-expand-a-kinects-window-to-match-the-size-of-the-canvas/10168)

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**Author:** [@nicoles](https://discourse.processing.org/u/nicoles)\
**Replies:** 6\
**Last updated:** [April 20, 2019, 5:36pm UTC](https://discourse.processing.org/t/how-do-you-expand-a-kinects-window-to-match-the-size-of-the-canvas/10168 "2019-04-20T17:36:51Z")

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I am playing with the Kinect and when I enlarge the size of the canvas, the Kinect window stays the same size and does not expand to match the size of the canvas. How can I enlarge it?

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## [Processing 3 & SuperCollider Interaction](https://discourse.processing.org/t/processing-3-supercollider-interaction/10432)

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**Author:** [@thedurf18](https://discourse.processing.org/u/thedurf18)\
**Replies:** 6\
**Last updated:** [April 20, 2019, 1:43pm UTC](https://discourse.processing.org/t/processing-3-supercollider-interaction/10432 "2019-04-20T13:43:10Z")

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I’m working on a SuperCollider, Processing 3 interaction. Whenever a certain frequency is played from a synth, a shape appears in the Processing window, but when the frequency is not being played, the shape does not appe…

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## [Reading from multiple textfields and saving into .txt file](https://discourse.processing.org/t/reading-from-multiple-textfields-and-saving-into-txt-file/10372)

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**Author:** [@AwreetusAwrightus](https://discourse.processing.org/u/AwreetusAwrightus)\
**Replies:** 11\
**Last updated:** [April 19, 2019, 7:56pm UTC](https://discourse.processing.org/t/reading-from-multiple-textfields-and-saving-into-txt-file/10372 "2019-04-19T19:56:31Z")

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Hello, it’s me once again! I’ve made some progress into my code, but now I’m thinking a little bit ahead and decided to share some questions with the community (ask for help, actually) I’m prompting the user with a ser…

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## [General Advice on HTTP GET Request](https://discourse.processing.org/t/general-advice-on-http-get-request/10175)

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**Author:** [@jmorri36](https://discourse.processing.org/u/jmorri36)\
**Replies:** 11\
**Last updated:** [April 19, 2019, 7:27am UTC](https://discourse.processing.org/t/general-advice-on-http-get-request/10175 "2019-04-19T07:27:28Z")

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I have about 50 get requests to run at a the same time every time I iterate through the draw loop, and I’m trying to speed things up when connecting to them. One thing that takes about 100 milliseconds is the “c = new C…

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## [Movie not available()](https://discourse.processing.org/t/movie-not-available/8171)

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**Author:** [@stirman](https://discourse.processing.org/u/stirman)\
**Replies:** 4\
**Last updated:** [April 19, 2019, 3:39am UTC](https://discourse.processing.org/t/movie-not-available/8171 "2019-04-19T03:39:51Z")

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Any idea why this movie won’t play? available() continually returns false. Seems like I’m missing something obvious, but can’t figure it out! AD1.mov is in the “data” folder. import processing.video.\*; Movie AD1; void …

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## [Nervous System OBJ Export](https://discourse.processing.org/t/nervous-system-obj-export/10286)

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**Author:** [@kirstee\_baxt](https://discourse.processing.org/u/kirstee_baxt)\
**Replies:** 6\
**Last updated:** [April 18, 2019, 3:38pm UTC](https://discourse.processing.org/t/nervous-system-obj-export/10286 "2019-04-18T15:38:17Z")

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Hello! Wondering if anyone is knowledgeable around using nervoussystem library for obj export from Processing. I used it on one file and it worked - now trying it on a different file and it’s creating the obj, says there…

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## [Conversion from a "public String" to a normal String](https://discourse.processing.org/t/conversion-from-a-public-string-to-a-normal-string/10355)

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**Author:** [@laptophead](https://discourse.processing.org/u/laptophead)\
**Replies:** 7\
**Last updated:** [April 18, 2019, 5:52am UTC](https://discourse.processing.org/t/conversion-from-a-public-string-to-a-normal-string/10355 "2019-04-18T05:52:04Z")

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I am obtaining a String from the apsync.\*; library. It is very reliable but I have to declare it as a public String. Later I am trying to compare it to a local string and get a True or false. Here is the code simpl…

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## [Panorama warping cylinder](https://discourse.processing.org/t/panorama-warping-cylinder/9131)

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**Author:** [@janebeta7](https://discourse.processing.org/u/janebeta7)\
**Replies:** 18\
**Last updated:** [April 17, 2019, 6:36pm UTC](https://discourse.processing.org/t/panorama-warping-cylinder/9131 "2019-04-17T18:36:29Z")

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Hello, i would like to create this warp (source: http://paulbourke.net/stereographics/cylinder/) i Just found a way to use opencv but i am not super clear do you know any way to create in real time the cylinder w…

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## [How can I convert local time with long & lat into universal time?](https://discourse.processing.org/t/how-can-i-convert-local-time-with-long-lat-into-universal-time/10181)

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**Author:** [@EvilDuck](https://discourse.processing.org/u/EvilDuck)\
**Replies:** 5\
**Last updated:** [April 16, 2019, 5:05pm UTC](https://discourse.processing.org/t/how-can-i-convert-local-time-with-long-lat-into-universal-time/10181 "2019-04-16T17:05:25Z")

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How can I convert local time (with long & lat) into universal time, is there maybe a library for this? The problem seems be be very difficult to solve. I am searching the interwebs now for two days already but to no ava…

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## [Livestream from web to Processing](https://discourse.processing.org/t/livestream-from-web-to-processing/10163)

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**Author:** [@zuoto](https://discourse.processing.org/u/zuoto)\
**Replies:** 3\
**Last updated:** [April 15, 2019, 10:52pm UTC](https://discourse.processing.org/t/livestream-from-web-to-processing/10163 "2019-04-15T22:52:51Z")

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Hello! I am building an art project and I need to fetch a live recording from a camera to Processing to manipulate the image. I have tried to connect the camera to the computer but it seems that only live streaming to a…

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## [Getting an If statement to revert to previous state after else?](https://discourse.processing.org/t/getting-an-if-statement-to-revert-to-previous-state-after-else/10278)

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**Author:** [@1schroeteeri](https://discourse.processing.org/u/1schroeteeri)\
**Replies:** 1\
**Last updated:** [April 14, 2019, 9:03pm UTC](https://discourse.processing.org/t/getting-an-if-statement-to-revert-to-previous-state-after-else/10278 "2019-04-14T21:03:15Z")

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Hi, I’m trying to get my if statement (which I’m trying to have stay “activated” for a few moments upon triggering it then disappear after staying up for a few seconds) to revert back to it’s state before the else if up…

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## [Send regular UPD String with oscP5 / netP5](https://discourse.processing.org/t/send-regular-upd-string-with-oscp5-netp5/10265)

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**Author:** [@tombass](https://discourse.processing.org/u/tombass)\
**Replies:** 3\
**Last updated:** [April 14, 2019, 4:22pm UTC](https://discourse.processing.org/t/send-regular-upd-string-with-oscp5-netp5/10265 "2019-04-14T16:22:15Z")

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Hi I have a project where i want to receive OSC and send out regular plain UPD text - i’ve got all the OSC side working but i can’t work out how to use netP5 to send a regular UDP string, rather than an OSC formatted da…

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