# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=53

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

**Page:** 54

---

## [Kinect SimpleOpenNI Delay on lost user](https://discourse.processing.org/t/kinect-simpleopenni-delay-on-lost-user/13166)

<div class="topic-metadata">

**Author:** [@QueenBee](https://discourse.processing.org/u/QueenBee)\
**Replies:** 1\
**Last updated:** [August 8, 2019, 6:03pm UTC](https://discourse.processing.org/t/kinect-simpleopenni-delay-on-lost-user/13166 "2019-08-08T18:03:11Z")

</div>

I’m trying to make a program which counts the number of users the Kinect sees, and displays a particular image depending on that number. if (userCount == 0){ println("No Users!"); } else if (userCount == 1){ …

---

## [How shall I scale my Kinect interaction full screen?](https://discourse.processing.org/t/how-shall-i-scale-my-kinect-interaction-full-screen/13059)

<div class="topic-metadata">

**Author:** [@AxeFire](https://discourse.processing.org/u/AxeFire)\
**Replies:** 2\
**Last updated:** [August 7, 2019, 8:15am UTC](https://discourse.processing.org/t/how-shall-i-scale-my-kinect-interaction-full-screen/13059 "2019-08-07T08:15:40Z")

</div>

Hello, I have created an interactive “graphic” with Open Kinect and Processing where the Kinect detects your hand movements to reveal the “moon surface image” which is below the top image called “moon dirt”. Basically y…

---

## [Pixelflow lib / getting individual particle positions](https://discourse.processing.org/t/pixelflow-lib-getting-individual-particle-positions/10778)

<div class="topic-metadata">

**Author:** [@iliasp](https://discourse.processing.org/u/iliasp)\
**Replies:** 5\
**Last updated:** [August 6, 2019, 7:15am UTC](https://discourse.processing.org/t/pixelflow-lib-getting-individual-particle-positions/10778 "2019-08-06T07:15:06Z")

</div>

Hello, I am trying to find a way to get the individual particle positions in a pixelflow particle sim. Is this even possible considering the texture based physics calcs?

---

## [Image/movie frame/capture frame pixel\[\] scan](https://discourse.processing.org/t/image-movie-frame-capture-frame-pixel-scan/13103)

<div class="topic-metadata">

**Author:** [@markcosmic](https://discourse.processing.org/u/markcosmic)\
**Replies:** 1\
**Last updated:** [August 5, 2019, 5:50am UTC](https://discourse.processing.org/t/image-movie-frame-capture-frame-pixel-scan/13103 "2019-08-05T05:50:49Z")

</div>

This pertains to image/movie frame/capture frame pixel\[\] scan. In the Coding Train examples Dan uses a nested FOR loop to check RGB values of each pixel. Within each loop the x/y coordinates are converted to pixel\[\] coo…

---

## [Apply video effect to every frame](https://discourse.processing.org/t/apply-video-effect-to-every-frame/11730)

<div class="topic-metadata">

**Author:** [@Cai](https://discourse.processing.org/u/Cai)\
**Replies:** 4\
**Last updated:** [August 4, 2019, 12:01am UTC](https://discourse.processing.org/t/apply-video-effect-to-every-frame/11730 "2019-08-04T00:01:36Z")

</div>

hey guys, I recently learned to create the dithering effect image no. 1 is the processed image image no. 2 is the original image … Its a lil heavy effect , So im unable to use it on videos and see it effect realtime. …

---

## [Live counting small size particles in a video](https://discourse.processing.org/t/live-counting-small-size-particles-in-a-video/12953)

<div class="topic-metadata">

**Author:** [@Sruthi\_Krish](https://discourse.processing.org/u/Sruthi_Krish)\
**Replies:** 3\
**Last updated:** [August 3, 2019, 3:50pm UTC](https://discourse.processing.org/t/live-counting-small-size-particles-in-a-video/12953 "2019-08-03T15:50:10Z")

</div>

Hello Everyone ! I am trying to get the live count of particles in a particular video frame , which is of really small size upto 1mm. Kindly help me out with the blobscanner library and suggest me some methods to count…

---

## [Processing face detection?](https://discourse.processing.org/t/processing-face-detection/10544)

<div class="topic-metadata">

**Author:** [@nothingnew](https://discourse.processing.org/u/nothingnew)\
**Replies:** 3\
**Last updated:** [August 2, 2019, 2:20am UTC](https://discourse.processing.org/t/processing-face-detection/10544 "2019-08-02T02:20:36Z")

</div>

Hello! I am working on my school project and thinking of using face (mouth) detection in processing. I have searched few days, but I am not sure if processing can do mouth open and close detection. Is there any way to …

---

## [Simple OpenNI Error opening database/parameters](https://discourse.processing.org/t/simple-openni-error-opening-database-parameters/12637)

<div class="topic-metadata">

**Author:** [@QueenBee](https://discourse.processing.org/u/QueenBee)\
**Replies:** 3\
**Last updated:** [August 2, 2019, 12:31am UTC](https://discourse.processing.org/t/simple-openni-error-opening-database-parameters/12637 "2019-08-02T00:31:48Z")

</div>

Hi! I’ve just come back to a project I was working on a month or two ago, and while it was working fine back then (and I haven’t messed with the folders it exists in), any sketch that involves Simple OpenNI comes up wit…

---

## [Machine Vision - Detecting circles (OpenCV)](https://discourse.processing.org/t/machine-vision-detecting-circles-opencv/3776)

<div class="topic-metadata">

**Author:** [@Palmhoej](https://discourse.processing.org/u/Palmhoej)\
**Replies:** 12\
**Last updated:** [August 1, 2019, 7:08pm UTC](https://discourse.processing.org/t/machine-vision-detecting-circles-opencv/3776 "2019-08-01T19:08:28Z")

</div>

So i am trying to detect some test tubes with a webcam, so i can pick them up using a robot. I have successfully detected the straight lines and from there i can get the position and orientation of the line. For this tas…

---

## [oscP5 not loading within 5 seconds](https://discourse.processing.org/t/oscp5-not-loading-within-5-seconds/12765)

<div class="topic-metadata">

**Author:** [@cwbiggs](https://discourse.processing.org/u/cwbiggs)\
**Replies:** 3\
**Last updated:** [July 19, 2019, 7:53pm UTC](https://discourse.processing.org/t/oscp5-not-loading-within-5-seconds/12765 "2019-07-19T19:53:08Z")

</div>

The oscP5 loading process is taking longer than 5 seconds and therefore the sketch will not run. There is nothing else significant in setup() that would be causing the delay. It works on three computers, but not the comp…

---

## [How to use processing to send video to kinect](https://discourse.processing.org/t/how-to-use-processing-to-send-video-to-kinect/13084)

<div class="topic-metadata">

**Author:** [@sharon0](https://discourse.processing.org/u/sharon0)\
**Replies:** 2\
**Last updated:** [August 1, 2019, 6:31am UTC](https://discourse.processing.org/t/how-to-use-processing-to-send-video-to-kinect/13084 "2019-08-01T06:31:39Z")

</div>

Hello, I’m a beginner in processing. I am trying to send an image or video to Kinect by using processing. So I could interact with a screen, when I walk close to the screen, the Kinect sensor notices me, and then the ima…

---

## [Blob tracking and collision detection](https://discourse.processing.org/t/blob-tracking-and-collision-detection/12806)

<div class="topic-metadata">

**Author:** [@QueenBee](https://discourse.processing.org/u/QueenBee)\
**Replies:** 17\
**Last updated:** [August 1, 2019, 6:21am UTC](https://discourse.processing.org/t/blob-tracking-and-collision-detection/12806 "2019-08-01T06:21:50Z")

</div>

Hey! I’m having trouble with a collision detection program at the moment. Essentially I’m using blob tracking with colours (from a depth camera image), and I want to know when a blob collides or overlaps another blob, …

---

## [Translating music waves to form](https://discourse.processing.org/t/translating-music-waves-to-form/12915)

<div class="topic-metadata">

**Author:** [@shirkhanloo](https://discourse.processing.org/u/shirkhanloo)\
**Replies:** 5\
**Last updated:** [August 1, 2019, 3:34am UTC](https://discourse.processing.org/t/translating-music-waves-to-form/12915 "2019-08-01T03:34:34Z")

</div>

Hi everyone, I am trying to define a scripting that calculates the sound wave and then whenever it is more than an amount, it creates random points and then it connects the points with line. I developed the scripting an…

---

## [Processing & Streaming Audio](https://discourse.processing.org/t/processing-streaming-audio/13082)

<div class="topic-metadata">

**Author:** [@pacolux](https://discourse.processing.org/u/pacolux)\
**Replies:** 1\
**Last updated:** [July 31, 2019, 11:01am UTC](https://discourse.processing.org/t/processing-streaming-audio/13082 "2019-07-31T11:01:39Z")

</div>

I have just started messing around with Processing’s Sound library. I have spent the better part of a few hours reading just about every post on how to use the sound library but I can’t quite find what I am looking for. …

---

## [\[Rest API\] Client and POST request with Processing .net libraries](https://discourse.processing.org/t/rest-api-client-and-post-request-with-processing-net-libraries/12759)

<div class="topic-metadata">

**Author:** [@Dupond](https://discourse.processing.org/u/Dupond)\
**Replies:** 6\
**Last updated:** [July 30, 2019, 8:00am UTC](https://discourse.processing.org/t/rest-api-client-and-post-request-with-processing-net-libraries/12759 "2019-07-30T08:00:34Z")

</div>

Hello, I was wondering what is the best librarie to use to do POST request. I have tried using net.libraries but I have some issue with an “client got end of stream error”. I have find that there is a http.requests.\*…

---

## [3D physics engine library](https://discourse.processing.org/t/3d-physics-engine-library/12722)

<div class="topic-metadata">

**Author:** [@Chrisir](https://discourse.processing.org/u/Chrisir)\
**Replies:** 2\
**Last updated:** [July 28, 2019, 11:36am UTC](https://discourse.processing.org/t/3d-physics-engine-library/12722 "2019-07-28T11:36:48Z")

</div>

Hello, I am looking for a java library with a 3D physics engine. I‘d like to do a marble track with a marble rolling on it Thanks a lot! Chrisir P.S. Here is an example of how a java library is implemented in proce…

---

## [Java problem. Failed to write core dump. Core dumps have been disabled](https://discourse.processing.org/t/java-problem-failed-to-write-core-dump-core-dumps-have-been-disabled/12908)

<div class="topic-metadata">

**Author:** [@ernestbiosca](https://discourse.processing.org/u/ernestbiosca)\
**Replies:** 1\
**Last updated:** [July 27, 2019, 4:26pm UTC](https://discourse.processing.org/t/java-problem-failed-to-write-core-dump-core-dumps-have-been-disabled/12908 "2019-07-27T16:26:49Z")

</div>

Hey, It’s been a year without using processing and now I have a render crash and don’t know what’s happening. It just crash when I touch a knob, with this Java error. A fatal error has been detected by the Java Runtim…

---

## [My new tiny library "does not exist"](https://discourse.processing.org/t/my-new-tiny-library-does-not-exist/12989)

<div class="topic-metadata">

**Author:** [@tove](https://discourse.processing.org/u/tove)\
**Replies:** 3\
**Last updated:** [July 26, 2019, 5:18am UTC](https://discourse.processing.org/t/my-new-tiny-library-does-not-exist/12989 "2019-07-26T05:18:43Z")

</div>

Hi folks – I’m trying to wrap some code up into a little personal library because I want to write a bunch of sketches that refer to it and I don’t want any of them to get out of sync if I need to change something. (Also…

---

## [How to replace audio input from mp3 to microphone](https://discourse.processing.org/t/how-to-replace-audio-input-from-mp3-to-microphone/12912)

<div class="topic-metadata">

**Author:** [@bacillus](https://discourse.processing.org/u/bacillus)\
**Replies:** 0\
**Last updated:** [July 23, 2019, 9:25am UTC](https://discourse.processing.org/t/how-to-replace-audio-input-from-mp3-to-microphone/12912 "2019-07-23T09:25:33Z")

</div>

Hello everyone! I am new in Processing and I could use some help. I have this code that makes use of the Minim library and visualizes a given sound file: import ddf.minim.\*; import ddf.minim.analysis.\*; Minim minim; Au…

---

## [\[Processing.net libraries\] Error Client got end of stream](https://discourse.processing.org/t/processing-net-libraries-error-client-got-end-of-stream/12882)

<div class="topic-metadata">

**Author:** [@Dupond](https://discourse.processing.org/u/Dupond)\
**Replies:** 0\
**Last updated:** [July 22, 2019, 8:50am UTC](https://discourse.processing.org/t/processing-net-libraries-error-client-got-end-of-stream/12882 "2019-07-22T08:50:17Z")

</div>

Hello, I am trying to debug a program to do so I have test 2 programms from Processing.net librarie : https://www.processing.org/reference/libraries/net/Client\_write\_.html https://www.processing.org/reference/librarie…

---

## [Kinect V2 Point Cloud Example Errors](https://discourse.processing.org/t/kinect-v2-point-cloud-example-errors/12881)

<div class="topic-metadata">

**Author:** [@julian](https://discourse.processing.org/u/julian)\
**Replies:** 0\
**Last updated:** [July 22, 2019, 4:25am UTC](https://discourse.processing.org/t/kinect-v2-point-cloud-example-errors/12881 "2019-07-22T04:25:09Z")

</div>

Hello, I recently made a sketch using the Open Kinect for Processing Library and a Kinect v1 Model 1414. Long story short, the 1414 broke, so I just got a V2 and have been going through the examples included with the li…

---

## [Canvas is not updated as expected](https://discourse.processing.org/t/canvas-is-not-updated-as-expected/12791)

<div class="topic-metadata">

**Author:** [@MaWi](https://discourse.processing.org/u/MaWi)\
**Replies:** 3\
**Last updated:** [July 21, 2019, 2:47pm UTC](https://discourse.processing.org/t/canvas-is-not-updated-as-expected/12791 "2019-07-21T14:47:15Z")

</div>

Hi, I´m trying to create a new object each time i press a key, but the previous drawn object doesn´t disappear completly. There is a polyline I draw inside my objects Display() method that disappears and several Points,…

---

## [How do I create an erasing effect with Kinect?](https://discourse.processing.org/t/how-do-i-create-an-erasing-effect-with-kinect/12828)

<div class="topic-metadata">

**Author:** [@AxeFire](https://discourse.processing.org/u/AxeFire)\
**Replies:** 1\
**Last updated:** [July 19, 2019, 8:27pm UTC](https://discourse.processing.org/t/how-do-i-create-an-erasing-effect-with-kinect/12828 "2019-07-19T20:27:53Z")

</div>

I am trying to create an erasing effect of where the top image will be erased away to reveal another image below. I am using Kinect to control the erasing effect, however it is currently just drawing an ellipse on the to…

---

## [.cue() in SoundFile seems to have suddenly stopped working properly](https://discourse.processing.org/t/cue-in-soundfile-seems-to-have-suddenly-stopped-working-properly/12801)

<div class="topic-metadata">

**Author:** [@bpeterson](https://discourse.processing.org/u/bpeterson)\
**Replies:** 7\
**Last updated:** [July 19, 2019, 8:24pm UTC](https://discourse.processing.org/t/cue-in-soundfile-seems-to-have-suddenly-stopped-working-properly/12801 "2019-07-19T20:24:53Z")

</div>

.cue() seemed to have been working exactly as intended until I saved my processing sketch in a different location. (save as… same name, different location) I thought I was just making a copy of the code so I could safely…

---

## [How to hardware decode video in Processing?](https://discourse.processing.org/t/how-to-hardware-decode-video-in-processing/12761)

<div class="topic-metadata">

**Author:** [@George](https://discourse.processing.org/u/George)\
**Replies:** 4\
**Last updated:** [July 19, 2019, 4:47pm UTC](https://discourse.processing.org/t/how-to-hardware-decode-video-in-processing/12761 "2019-07-19T16:47:09Z")

</div>

Hi, I’ve been using Processing for a while and mainly used the processing-video library to playback H.264 encoded videos. I’ve noticed playback can be quite laggy for 1080p videos: it looks like decoding is done on the…

---

## [Detect direction from video motion and apply it to Particle System](https://discourse.processing.org/t/detect-direction-from-video-motion-and-apply-it-to-particle-system/9111)

<div class="topic-metadata">

**Author:** [@meniossin](https://discourse.processing.org/u/meniossin)\
**Replies:** 5\
**Last updated:** [July 19, 2019, 2:57am UTC](https://discourse.processing.org/t/detect-direction-from-video-motion-and-apply-it-to-particle-system/9111 "2019-07-19T02:57:30Z")

</div>

Greetings, Newcomer in this forum and currently an apprentice with Processing. I did a lot of research in the previous processing forums and in this one but I haven’t found a resource/answer that will apply to the curr…

---

## [Var not iterating problem • Use all row values to iterate CSV column with for loop to playNote()](https://discourse.processing.org/t/var-not-iterating-problem-use-all-row-values-to-iterate-csv-column-with-for-loop-to-playnote/12590)

<div class="topic-metadata">

**Author:** [@Gus\_Fermin](https://discourse.processing.org/u/Gus_Fermin)\
**Replies:** 18\
**Last updated:** [July 17, 2019, 2:57pm UTC](https://discourse.processing.org/t/var-not-iterating-problem-use-all-row-values-to-iterate-csv-column-with-for-loop-to-playnote/12590 "2019-07-17T14:57:35Z")

</div>

Hello there, I wanted to share my code with you, I feel that there is something crucial that I have not understood keeping me from moving forward, so I ask for your help hoping that somebody shares with me their opinion…

---

## [G4P Font for Textfield](https://discourse.processing.org/t/g4p-font-for-textfield/12732)

<div class="topic-metadata">

**Author:** [@madscientist](https://discourse.processing.org/u/madscientist)\
**Replies:** 2\
**Last updated:** [July 16, 2019, 4:16pm UTC](https://discourse.processing.org/t/g4p-font-for-textfield/12732 "2019-07-16T16:16:51Z")

</div>

@quark How would I change the font that a G4P Textfield uses? Thanks

---

## [How to style markers with geoJSON and CSV](https://discourse.processing.org/t/how-to-style-markers-with-geojson-and-csv/12667)

<div class="topic-metadata">

**Author:** [@fmS3lect](https://discourse.processing.org/u/fmS3lect)\
**Replies:** 1\
**Last updated:** [July 15, 2019, 7:58am UTC](https://discourse.processing.org/t/how-to-style-markers-with-geojson-and-csv/12667 "2019-07-15T07:58:59Z")

</div>

Hi Guys, so I am working on project, and I am using Unfolding. I am trying to add markers from a geoJSON file on the map. This is working fine. But now i want style those markers based on values from an csv datasheet. …

---

## [Spout/Syphon video input and interactive touch areas](https://discourse.processing.org/t/spout-syphon-video-input-and-interactive-touch-areas/12654)

<div class="topic-metadata">

**Author:** [@mungle](https://discourse.processing.org/u/mungle)\
**Replies:** 2\
**Last updated:** [July 15, 2019, 5:25am UTC](https://discourse.processing.org/t/spout-syphon-video-input-and-interactive-touch-areas/12654 "2019-07-15T05:25:06Z")

</div>

Hello! I’m planning to create an application in processing but I need some help to get start. I have a black and white man shape captured from a Kinect V2 that can I get through spout/syphon. Then I need to place some …

[Previous page](https://discourse.processing.org/c/processing/processing-libraries/19.md?page=52)

[Next page](https://discourse.processing.org/c/processing/processing-libraries/19.md?page=54)