# Libraries

**URL:** https://discourse.processing.org/c/processing/processing-libraries/19.md?page=52

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

**Page:** 53

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## [Which commands are implemented in the SFTP library](https://discourse.processing.org/t/which-commands-are-implemented-in-the-sftp-library/13914)

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**Author:** [@michaelkpierce](https://discourse.processing.org/u/michaelkpierce)\
**Replies:** 1\
**Last updated:** [September 10, 2019, 6:46pm UTC](https://discourse.processing.org/t/which-commands-are-implemented-in-the-sftp-library/13914 "2019-09-10T18:46:13Z")

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Hi, I want to use this library to update a library of images in multiple remote raspberry pis. Can you tell which commands are implemented? In particular, can I write files from the local machine to a remote machines. T…

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## [Shapes3D.pickShape and G4P P3D view combine?](https://discourse.processing.org/t/shapes3d-pickshape-and-g4p-p3d-view-combine/13849)

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**Author:** [@mala](https://discourse.processing.org/u/mala)\
**Replies:** 9\
**Last updated:** [September 10, 2019, 8:04am UTC](https://discourse.processing.org/t/shapes3d-pickshape-and-g4p-p3d-view-combine/13849 "2019-09-10T08:04:06Z")

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Can the pickshape function of Shapes3D be used with a 3D gview in G4P ? I can’t seem to make it work, I think possibly something is going wrong with a matrix transform somewhere between the gview and the pickbuffer … or…

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## [Getting amplitude values from a SoundFile (processing.sound)](https://discourse.processing.org/t/getting-amplitude-values-from-a-soundfile-processing-sound/13877)

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**Author:** [@Brunehilde](https://discourse.processing.org/u/Brunehilde)\
**Replies:** 1\
**Last updated:** [September 8, 2019, 9:54pm UTC](https://discourse.processing.org/t/getting-amplitude-values-from-a-soundfile-processing-sound/13877 "2019-09-08T21:54:42Z")

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Hi ! I’ve been playing around with the Sound library for a bit to make a simple music visualizer, but I can’t seem to get the amp values for specific points in the music to make a nice timeline. Here’s how I defined al…

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## [Exporting Point Cloud](https://discourse.processing.org/t/exporting-point-cloud/13797)

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**Author:** [@kud7](https://discourse.processing.org/u/kud7)\
**Replies:** 4\
**Last updated:** [September 6, 2019, 4:27am UTC](https://discourse.processing.org/t/exporting-point-cloud/13797 "2019-09-06T04:27:59Z")

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Hi, what’re my options to export Kinect point cloud data, alembic or obj format from Processing? The idea is to import point cloud data or sequence to Cinema 4D? Thanks!

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## [G4P ViewListener imported obj render problem](https://discourse.processing.org/t/g4p-viewlistener-imported-obj-render-problem/13794)

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**Author:** [@mala](https://discourse.processing.org/u/mala)\
**Replies:** 4\
**Last updated:** [September 4, 2019, 11:49am UTC](https://discourse.processing.org/t/g4p-viewlistener-imported-obj-render-problem/13794 "2019-09-04T11:49:28Z")

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I’m getting a strange effect when trying to render stroke & fill on an imported obj, the stroke appears to only be rendered once at first frame , almost as an orthographic projection, this stroke rotates with the box as …

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## [Simplex noise octaves](https://discourse.processing.org/t/simplex-noise-octaves/13762)

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**Author:** [@arcadeperfect](https://discourse.processing.org/u/arcadeperfect)\
**Replies:** 1\
**Last updated:** [September 2, 2019, 7:01pm UTC](https://discourse.processing.org/t/simplex-noise-octaves/13762 "2019-09-02T19:01:25Z")

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Hello! Is there a way to adjust the octaves and force the seed with toxi.math.simplexnoise? I found these docs but can’t find it. Alternatively are there any other noise algorithms available? The problem I have with t…

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## [Change maxPolygonVertices in Box2D?](https://discourse.processing.org/t/change-maxpolygonvertices-in-box2d/13383)

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**Author:** [@jeffthompson](https://discourse.processing.org/u/jeffthompson)\
**Replies:** 3\
**Last updated:** [August 29, 2019, 6:37pm UTC](https://discourse.processing.org/t/change-maxpolygonvertices-in-box2d/13383 "2019-08-29T18:37:55Z")

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I’m working on a project that uses Daniel Shiffman’s Box2D library to arrange a bunch of objects and have run into an issue. It seems that a polygon with more than 8 vertices throws an error, but I’d really like to chang…

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## [HTTP POST Request sending incorrect Content-Type](https://discourse.processing.org/t/http-post-request-sending-incorrect-content-type/13650)

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**Author:** [@n055](https://discourse.processing.org/u/n055)\
**Replies:** 3\
**Last updated:** [August 28, 2019, 2:11am UTC](https://discourse.processing.org/t/http-post-request-sending-incorrect-content-type/13650 "2019-08-28T02:11:39Z")

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Hey y’all, I’m making a processing sketch to interact with an API that I wrote in node.js using express.js as my web service. When sending GET requests, all is splendid, due to the information being contained in the URL,…

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## [How to connect Processing with Renoise via OSC](https://discourse.processing.org/t/how-to-connect-processing-with-renoise-via-osc/13658)

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**Author:** [@animanoir](https://discourse.processing.org/u/animanoir)\
**Replies:** 1\
**Last updated:** [August 28, 2019, 12:51am UTC](https://discourse.processing.org/t/how-to-connect-processing-with-renoise-via-osc/13658 "2019-08-28T00:51:55Z")

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Hi. I’ve fallen in absolute love with Renoise, and I wish to connect it to Processing to trigger images, animations, etc. So I’m an intermediate programmer, not lost at all, but I don’t know how I could setup Renoise to…

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## [Kinect: Rendering mapped depth values efficiently?](https://discourse.processing.org/t/kinect-rendering-mapped-depth-values-efficiently/13419)

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**Author:** [@lfredericks](https://discourse.processing.org/u/lfredericks)\
**Replies:** 0\
**Last updated:** [August 16, 2019, 5:42pm UTC](https://discourse.processing.org/t/kinect-rendering-mapped-depth-values-efficiently/13419 "2019-08-16T17:42:48Z")

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Edit: SOLVED (more or less). I ended up doing my depth rendering and RGB video in a separate Processing sketch, and creating a Thread subclass to render the depth mask asynchronously. I’m using Spout to send the RGB imag…

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## [Combining fading codes for music video](https://discourse.processing.org/t/combining-fading-codes-for-music-video/11214)

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**Author:** [@mellebond](https://discourse.processing.org/u/mellebond)\
**Replies:** 10\
**Last updated:** [August 27, 2019, 11:10am UTC](https://discourse.processing.org/t/combining-fading-codes-for-music-video/11214 "2019-08-27T11:10:46Z")

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Hello! I’m making a music video and… I’ve got two codes, and I want to put them together, but just can’t manage… I want the lines drawn in the first code to fade as they do in the second. (So a white background and t…

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## [How to use special characters in ControlP5?](https://discourse.processing.org/t/how-to-use-special-characters-in-controlp5/13615)

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**Author:** [@Leonhard](https://discourse.processing.org/u/Leonhard)\
**Replies:** 2\
**Last updated:** [August 26, 2019, 12:42pm UTC](https://discourse.processing.org/t/how-to-use-special-characters-in-controlp5/13615 "2019-08-26T12:42:27Z")

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Hi, I have the following problem: Code: GUI: characters (ç and ã) do not appear how can you solve it? Thanks

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## [Button type G4P not show in save canvas to PNG](https://discourse.processing.org/t/button-type-g4p-not-show-in-save-canvas-to-png/13412)

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**Author:** [@kll](https://discourse.processing.org/u/kll)\
**Replies:** 7\
**Last updated:** [August 26, 2019, 12:39am UTC](https://discourse.processing.org/t/button-type-g4p-not-show-in-save-canvas-to-png/13412 "2019-08-26T00:39:08Z")

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Win10 // Processing 3.5.3 i am using the example / File / Examples / Contributed Libraries / G4P / G4P\_ ImageButtons / and added acc https://processing.org/reference/save\_.html //KLL test String outfile = "data/snap…

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## [Digitize Audio Input](https://discourse.processing.org/t/digitize-audio-input/13156)

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**Author:** [@StevenSarns](https://discourse.processing.org/u/StevenSarns)\
**Replies:** 8\
**Last updated:** [August 23, 2019, 10:46am UTC](https://discourse.processing.org/t/digitize-audio-input/13156 "2019-08-23T10:46:12Z")

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Hello All, Thanks in advance for any insights. I am very new to Processing. My project is to create an oscilloscope-like presentation of the signal on the MIC input of my desktop computer. The test waveform is a 20 H…

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## [\[SOLVED\] Play second video when first video ends?](https://discourse.processing.org/t/solved-play-second-video-when-first-video-ends/13512)

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**Author:** [@AxeFire](https://discourse.processing.org/u/AxeFire)\
**Replies:** 16\
**Last updated:** [August 22, 2019, 4:05pm UTC](https://discourse.processing.org/t/solved-play-second-video-when-first-video-ends/13512 "2019-08-22T16:05:30Z")

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this might seem trivial but, how do you make the video move to the next “scene” automatically after the video ends? void draw() { //----------game states------------- if (state == 0) // 0 welcome screen { …

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## [Processing x Kinect v2: Getting depth data and tracking moving object in 3D world](https://discourse.processing.org/t/processing-x-kinect-v2-getting-depth-data-and-tracking-moving-object-in-3d-world/13525)

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**Author:** [@farahfairy](https://discourse.processing.org/u/farahfairy)\
**Replies:** 0\
**Last updated:** [August 21, 2019, 4:42pm UTC](https://discourse.processing.org/t/processing-x-kinect-v2-getting-depth-data-and-tracking-moving-object-in-3d-world/13525 "2019-08-21T16:42:35Z")

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Hi, struggling with my Processing code… parts are taken from the Thomas Sanchez KinectPV2 examples… So my object is to access the Kinect V2 point cloud data and depth image and then to tracking small moving objects as bl…

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## [Kinect and Processing](https://discourse.processing.org/t/kinect-and-processing/12972)

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**Author:** [@farahfairy](https://discourse.processing.org/u/farahfairy)\
**Replies:** 4\
**Last updated:** [August 21, 2019, 9:22am UTC](https://discourse.processing.org/t/kinect-and-processing/12972 "2019-08-21T09:22:59Z")

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Hi, I am trying to use Porcessing with Kinect to product point cloud data… I followed Daniel Shiffman’s youtube tutorial and link to github with source code but unfortunately having some library troubles… i have this e…

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## [Any experience with yFiles](https://discourse.processing.org/t/any-experience-with-yfiles/13410)

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**Author:** [@bask185](https://discourse.processing.org/u/bask185)\
**Replies:** 2\
**Last updated:** [August 18, 2019, 8:10pm UTC](https://discourse.processing.org/t/any-experience-with-yfiles/13410 "2019-08-18T20:10:41Z")

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I want to try out yFiles. It is a software library with which I should be able to create state diagrams with custom features. I am not going to do html and I am not going to do .NET. I can download yFiles library for jav…

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## [TimedEvents library problem](https://discourse.processing.org/t/timedevents-library-problem/13406)

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**Author:** [@aledante](https://discourse.processing.org/u/aledante)\
**Replies:** 2\
**Last updated:** [August 16, 2019, 10:20pm UTC](https://discourse.processing.org/t/timedevents-library-problem/13406 "2019-08-16T22:20:57Z")

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Hi everyone, Excuse my poor english. I´m having problems with TimedEvents library. I can not get it to draw anything. Even examples doesn´t work. Nothing inside void onTimerEvent() draw anything. import org.multiply.p…

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## [Processing and FTP](https://discourse.processing.org/t/processing-and-ftp/13381)

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**Author:** [@Freiherrfrank](https://discourse.processing.org/u/Freiherrfrank)\
**Replies:** 2\
**Last updated:** [August 16, 2019, 11:26am UTC](https://discourse.processing.org/t/processing-and-ftp/13381 "2019-08-16T11:26:12Z")

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Hallo, maybe someone can help me. I wrote a FTP Software with Processing and a FTP Library from enterprisedt.com. It is running very well but i can not looking for the Speed of Downloading or Uploading while this transfe…

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## [Arraylist in a draw function](https://discourse.processing.org/t/arraylist-in-a-draw-function/13344)

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**Author:** [@nicnut](https://discourse.processing.org/u/nicnut)\
**Replies:** 3\
**Last updated:** [August 14, 2019, 1:37pm UTC](https://discourse.processing.org/t/arraylist-in-a-draw-function/13344 "2019-08-14T13:37:17Z")

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Hi, I am really new to processing. I am controlling my animations using OSC messages. I altered some code from one of the “create shapes” examples and I want to be able to control the number of items in an array list. I…

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## [Image and controlP5 library](https://discourse.processing.org/t/image-and-controlp5-library/13366)

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**Author:** [@Mic29](https://discourse.processing.org/u/Mic29)\
**Replies:** 1\
**Last updated:** [August 14, 2019, 2:05am UTC](https://discourse.processing.org/t/image-and-controlp5-library/13366 "2019-08-14T02:05:54Z")

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Is there any method to insert an image into a controlP5 Group? If not exist what is a possible solution to do this action?

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## [Check the number of people](https://discourse.processing.org/t/check-the-number-of-people/13309)

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**Author:** [@jeeees2](https://discourse.processing.org/u/jeeees2)\
**Replies:** 5\
**Last updated:** [August 12, 2019, 11:57pm UTC](https://discourse.processing.org/t/check-the-number-of-people/13309 "2019-08-12T23:57:31Z")

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Hi, I’m a beginner in processing. I try to check up to two people using the ‘Kinect divice and program.’ However, I try to print the result images differently from 0 to 1 person and the result images from 2 to 1. I can…

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## [How to import a Live stream link to processing?](https://discourse.processing.org/t/how-to-import-a-live-stream-link-to-processing/13217)

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**Author:** [@luonglinhle](https://discourse.processing.org/u/luonglinhle)\
**Replies:** 3\
**Last updated:** [August 12, 2019, 10:58pm UTC](https://discourse.processing.org/t/how-to-import-a-live-stream-link-to-processing/13217 "2019-08-12T22:58:45Z")

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Hi alls! I am newbie to Processing. I have an idea to create a visual interaction with live-stream video from facebook, twitter or from other source as Vimeo, youtube. I think what is needed is the IP address of the pe…

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## [\[SOLVED\] G4p window refreshing](https://discourse.processing.org/t/solved-g4p-window-refreshing/3966)

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**Author:** [@zeroisnull](https://discourse.processing.org/u/zeroisnull)\
**Replies:** 0\
**Last updated:** [September 30, 2018, 1:13am UTC](https://discourse.processing.org/t/solved-g4p-window-refreshing/3966 "2018-09-30T01:13:17Z")

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Hello All. I am using G4P Library and I have made a form which takes username(textfield) and gender (droplist) but whenever i try to write something, the window keeps on refreshing. How do I tackle it? Edit: I was able…

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## [Help with controlP5 library](https://discourse.processing.org/t/help-with-controlp5-library/13290)

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**Author:** [@arielmartire](https://discourse.processing.org/u/arielmartire)\
**Replies:** 3\
**Last updated:** [August 12, 2019, 4:28pm UTC](https://discourse.processing.org/t/help-with-controlp5-library/13290 "2019-08-12T16:28:29Z")

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Using the controlP5 library, I’m having trouble. I get this error message: Aug 10, 2019 7:53:24 AM controlP5.ControlBroadcaster printMethodError SEVERE: An error occured while forwarding a Controller event, please ch…

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## [\[SOLVED\] Having a hard time Translating in 3D](https://discourse.processing.org/t/solved-having-a-hard-time-translating-in-3d/13335)

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**Author:** [@nicnut](https://discourse.processing.org/u/nicnut)\
**Replies:** 1\
**Last updated:** [August 12, 2019, 3:48pm UTC](https://discourse.processing.org/t/solved-having-a-hard-time-translating-in-3d/13335 "2019-08-12T15:48:11Z")

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Hi, I am very new at Processing, this is my second week. I am altering some code from one of the examples to create a bunch of Pshapes. It’s looking good, but I can’t figure out how to translate() in P3D. In the main …

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## [Sound libraries](https://discourse.processing.org/t/sound-libraries/13225)

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**Author:** [@salvaribeiro](https://discourse.processing.org/u/salvaribeiro)\
**Replies:** 3\
**Last updated:** [August 11, 2019, 1:31pm UTC](https://discourse.processing.org/t/sound-libraries/13225 "2019-08-11T13:31:50Z")

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Hello. I’ve been tinkering with Processing for a while now and wanted to use it to learn a bit about sound sythesizing. I’ve been trying the Beads library for about a month and, although it’s very good, I feel it’s a bit…

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## [Issue with scale() function](https://discourse.processing.org/t/issue-with-scale-function/6140)

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**Author:** [@noeblassel](https://discourse.processing.org/u/noeblassel)\
**Replies:** 6\
**Last updated:** [August 10, 2019, 3:33pm UTC](https://discourse.processing.org/t/issue-with-scale-function/6140 "2019-08-10T15:33:16Z")

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Hi! I’ve been working on a processing script using OpenCV to automatically align, scale and rotate a given set of pictures of frontal faces so that the eyes always appear in a fixed specified position in the result. It w…

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## [G4P GUI button function](https://discourse.processing.org/t/g4p-gui-button-function/12113)

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**Author:** [@savan](https://discourse.processing.org/u/savan)\
**Replies:** 2\
**Last updated:** [August 9, 2019, 6:43am UTC](https://discourse.processing.org/t/g4p-gui-button-function/12113 "2019-08-09T06:43:38Z")

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Hello everyone, I am trying to make a software for logging data from an Arduino to a CSV file through serial communication. I used the G4P GUI builder to create a basic GUI, and have made two buttons to start and stop …

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