# Processing

**URL:** https://discourse.processing.org/c/processing/6.md?no_subcategories=false&page=15

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

**Page:** 16

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## [PraxisLIVE v6 beta releases](https://discourse.processing.org/t/praxislive-v6-beta-releases/45216)

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**Author:** [@neilcsmith](https://discourse.processing.org/u/neilcsmith)\
**Replies:** 0\
**Last updated:** [October 22, 2024, 4:10pm UTC](https://discourse.processing.org/t/praxislive-v6-beta-releases/45216 "2024-10-22T16:10:22Z")

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After something of a hiatus in development for a while, I’m glad to announce that development on PraxisLIVE has picked up recently and v6 is currently in beta release. PraxisLIVE is a hybrid visual live programming envi…

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## [Libp5x - Processing 4 and LWJGL library with examples](https://discourse.processing.org/t/libp5x-processing-4-and-lwjgl-library-with-examples/45217)

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**Author:** [@neilcsmith](https://discourse.processing.org/u/neilcsmith)\
**Replies:** 0\
**Last updated:** [October 22, 2024, 4:24pm UTC](https://discourse.processing.org/t/libp5x-processing-4-and-lwjgl-library-with-examples/45217 "2024-10-22T16:24:34Z")

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libp5x is the modularized Processing 4 and LWJGL renderer library that we use in PraxisLIVE. It’s also available via Maven Central and is fairly easy to use with full Java Processing sketches. I’ve just updated the exam…

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## [Get Vertex Count](https://discourse.processing.org/t/get-vertex-count/45200)

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**Author:** [@paulstgeorge](https://discourse.processing.org/u/paulstgeorge)\
**Replies:** 3\
**Last updated:** [October 19, 2024, 2:19pm UTC](https://discourse.processing.org/t/get-vertex-count/45200 "2024-10-19T14:19:19Z")

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I am trying to use the ‘ShapeVertices’ example in Processing 4.3 (Java mode). The example works fine for the given “uk.svg”. When I try to use my own \*.svg instead of “uk.svg”, I get the error: ‘getVertexCount() only wo…

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## [SVG width and height](https://discourse.processing.org/t/svg-width-and-height/45199)

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**Author:** [@mrbbp](https://discourse.processing.org/u/mrbbp)\
**Replies:** 3\
**Last updated:** [October 19, 2024, 10:05am UTC](https://discourse.processing.org/t/svg-width-and-height/45199 "2024-10-19T10:05:04Z")

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Hello i’m currently playing with few svg loading in a an array. The svgs have different height but when i use it, they have all the same size! the bigger are scaled to have the same height as the smaller! is it a bug? …

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## [Polygon packing](https://discourse.processing.org/t/polygon-packing/45182)

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**Author:** [@eightohnine](https://discourse.processing.org/u/eightohnine)\
**Replies:** 9\
**Last updated:** [October 18, 2024, 5:33pm UTC](https://discourse.processing.org/t/polygon-packing/45182 "2024-10-18T17:33:14Z")

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Hi all, I’m messing around with polygon arrangements and was hoping someone might give me some pointers on how I can pack polygons neatly together. The attached screen is the polygons I’m working with, arranged on a gr…

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## [Adding date and time stamp to create writer](https://discourse.processing.org/t/adding-date-and-time-stamp-to-create-writer/45192)

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**Author:** [@SteveH](https://discourse.processing.org/u/SteveH)\
**Replies:** 2\
**Last updated:** [October 16, 2024, 2:25pm UTC](https://discourse.processing.org/t/adding-date-and-time-stamp-to-create-writer/45192 "2024-10-16T14:25:26Z")

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Hi All, I am new to processing 4.3, so please forgive me if what I am asking is very basic. I have been programming using Adruino IDE for some time now and have come across and interesting project in the link below: W…

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## [Can anybody help me with parameters for ortho view?](https://discourse.processing.org/t/can-anybody-help-me-with-parameters-for-ortho-view/45166)

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**Author:** [@masoudhyudani](https://discourse.processing.org/u/masoudhyudani)\
**Replies:** 6\
**Last updated:** [October 14, 2024, 12:46pm UTC](https://discourse.processing.org/t/can-anybody-help-me-with-parameters-for-ortho-view/45166 "2024-10-14T12:46:27Z")

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Hello, can anybody help me with the parameters so that I can see something like the below: import processing.serial.\*; Serial myPort; // The serial port int cols = 2; int rows = 2; int\[\]\[\] intensityGrid = new int\[…

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## [Error on parameter or method declaration near 'float'?](https://discourse.processing.org/t/error-on-parameter-or-method-declaration-near-float/45154)

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**Author:** [@naoko](https://discourse.processing.org/u/naoko)\
**Replies:** 6\
**Last updated:** [October 10, 2024, 2:18pm UTC](https://discourse.processing.org/t/error-on-parameter-or-method-declaration-near-float/45154 "2024-10-10T14:18:16Z")

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void setup(){ size(200,200); background(255); } void draw(){ stroke(0); strokeWeight(float) float mouseSpeed = abs(mouseX - pmouseX); line(pmouseX,pmouseY,mouseX,mouseY); }

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## [Minim AudioPlayer.length() outputs wrong value](https://discourse.processing.org/t/minim-audioplayer-length-outputs-wrong-value/45176)

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**Author:** [@SmallSnail](https://discourse.processing.org/u/SmallSnail)\
**Replies:** 0\
**Last updated:** [October 13, 2024, 11:03pm UTC](https://discourse.processing.org/t/minim-audioplayer-length-outputs-wrong-value/45176 "2024-10-13T23:03:32Z")

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Hey all, I was working on a little audio visualizer project today using the Minim library, and I ran into a small issue with the AudioPlayer class. The project requires a class that can load, play, and analyze an audio …

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## [Launch() exec() command on linux](https://discourse.processing.org/t/launch-exec-command-on-linux/45174)

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**Author:** [@Seamiki](https://discourse.processing.org/u/Seamiki)\
**Replies:** 1\
**Last updated:** [October 13, 2024, 10:26am UTC](https://discourse.processing.org/t/launch-exec-command-on-linux/45174 "2024-10-13T10:26:59Z")

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I want to send a terminal command from my sketch using launch() or exec() but i am facing issues in both cases: when i use launch("echo \\"Hai\\" \>\> /dev/usb/lp0"); looks like it tries to open a folder instead of execut…

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## [Need help in exporting SVG from animation](https://discourse.processing.org/t/need-help-in-exporting-svg-from-animation/45144)

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**Author:** [@Heliasz](https://discourse.processing.org/u/Heliasz)\
**Replies:** 2\
**Last updated:** [October 11, 2024, 5:49pm UTC](https://discourse.processing.org/t/need-help-in-exporting-svg-from-animation/45144 "2024-10-11T17:49:10Z")

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Dear All, I have the code pasted below and I am trying to export SVG file from animation. Here’s Simplex Noise code I am using: opensimplexnoise.pde · GitHub I am trying to paste code dedicated by Processing: SVG Expo…

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## [Creating patterns: How can I create a geometric shape that looks like a rectangle with inward-curved circular arcs replacing the corners?](https://discourse.processing.org/t/creating-patterns-how-can-i-create-a-geometric-shape-that-looks-like-a-rectangle-with-inward-curved-circular-arcs-replacing-the-corners/45111)

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**Author:** [@zwiesabel](https://discourse.processing.org/u/zwiesabel)\
**Replies:** 6\
**Last updated:** [October 8, 2024, 6:23pm UTC](https://discourse.processing.org/t/creating-patterns-how-can-i-create-a-geometric-shape-that-looks-like-a-rectangle-with-inward-curved-circular-arcs-replacing-the-corners/45111 "2024-10-08T18:23:44Z")

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My goal is to create random patterns like you see it at the top of the image. I want to build this by using separated shapes like it’s shown in the graphic with the red lines. So there will be circles, rectangles with …

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## [The library is not installed](https://discourse.processing.org/t/the-library-is-not-installed/45135)

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**Author:** [@masoudhyudani](https://discourse.processing.org/u/masoudhyudani)\
**Replies:** 1\
**Last updated:** [October 4, 2024, 12:08pm UTC](https://discourse.processing.org/t/the-library-is-not-installed/45135 "2024-10-04T12:08:33Z")

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Hello, I would like to install the below library for Processing. I extract the .zip file in the below address: …\\Documents\\Processing\\libraries However, it does not recognize the library and shows me the below erro…

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## [Triggering multiple videos using OSC](https://discourse.processing.org/t/triggering-multiple-videos-using-osc/45121)

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**Author:** [@dom](https://discourse.processing.org/u/dom)\
**Replies:** 2\
**Last updated:** [October 2, 2024, 9:32pm UTC](https://discourse.processing.org/t/triggering-multiple-videos-using-osc/45121 "2024-10-02T21:32:15Z")

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I am trying to build a patch in which multiple videos are overlayed and triggered from Supercollider using OSC. There are four things I am seeking to do which I have not yet achieved. Have multiple videos play at the s…

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## [Can you type text on the displayed screen and make Processing use the date to change a variable](https://discourse.processing.org/t/can-you-type-text-on-the-displayed-screen-and-make-processing-use-the-date-to-change-a-variable/45126)

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**Author:** [@Istimereal](https://discourse.processing.org/u/Istimereal)\
**Replies:** 2\
**Last updated:** [October 2, 2024, 9:14pm UTC](https://discourse.processing.org/t/can-you-type-text-on-the-displayed-screen-and-make-processing-use-the-date-to-change-a-variable/45126 "2024-10-02T21:14:57Z")

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Hi Is it possible to to make a input box on the screen that run the sketch where I can type text or numbers that will influence a variable from the initial run. So the new input is read by processing. One variable is in…

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## [Map SVG is appearing black in colour](https://discourse.processing.org/t/map-svg-is-appearing-black-in-colour/45118)

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**Author:** [@Valiullah](https://discourse.processing.org/u/Valiullah)\
**Replies:** 0\
**Last updated:** [October 1, 2024, 2:23pm UTC](https://discourse.processing.org/t/map-svg-is-appearing-black-in-colour/45118 "2024-10-01T14:23:26Z")

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Hi! I am trying to import an Africa SVG map via processing but the when I run the program, it loads the Africa map in a black colour as opposed to the gray colour of the original SVG where the states are clearly demarcat…

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## [Image slowly offsetting itself](https://discourse.processing.org/t/image-slowly-offsetting-itself/44978)

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**Author:** [@RWSNeill](https://discourse.processing.org/u/RWSNeill)\
**Replies:** 4\
**Last updated:** [October 1, 2024, 10:04am UTC](https://discourse.processing.org/t/image-slowly-offsetting-itself/44978 "2024-10-01T10:04:42Z")

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First ever post so sorry if I phrase this poorly. Have written a PONG game that uses pixel flow data from a webcam to move the paddle. It ran fine for months without issue on multiple PCs (both Windows 10 and 11) but ha…

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## [G4P Textfield Font Showing as Boxes](https://discourse.processing.org/t/g4p-textfield-font-showing-as-boxes/45067)

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**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 16\
**Last updated:** [September 26, 2024, 12:57pm UTC](https://discourse.processing.org/t/g4p-textfield-font-showing-as-boxes/45067 "2024-09-26T12:57:18Z")

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Hi all, I made an app for PC/Mac/Linux with Processing (with Peter Lager’s endless support! Thanks Peter!). I just noticed that on a Linux machine, some of the special characters are showing as boxes: For the textf…

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## [Is this even solvable? Animation changes look after some seconds... Help](https://discourse.processing.org/t/is-this-even-solvable-animation-changes-look-after-some-seconds-help/45097)

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**Author:** [@JamOne](https://discourse.processing.org/u/JamOne)\
**Replies:** 3\
**Last updated:** [September 26, 2024, 10:58am UTC](https://discourse.processing.org/t/is-this-even-solvable-animation-changes-look-after-some-seconds-help/45097 "2024-09-26T10:58:50Z")

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Hello, I am not able to solve this and need some help. This animation of a ring is just fine in the beginning and I like everything about it, but after some seconds it becomes wilder and wilder and looses its nice appea…

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## [Looking for a New Maintainer for the AmbientLightSensor Library](https://discourse.processing.org/t/looking-for-a-new-maintainer-for-the-ambientlightsensor-library/45081)

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**Author:** [@ProcessingOrg](https://discourse.processing.org/u/ProcessingOrg)\
**Replies:** 2\
**Last updated:** [September 26, 2024, 10:33am UTC](https://discourse.processing.org/t/looking-for-a-new-maintainer-for-the-ambientlightsensor-library/45081 "2024-09-26T10:33:38Z")

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Hello everyone, We’re looking for anyone interested in taking over the AmbientLightSensor library for Processing. The original author, Martin Rädlinger (formatlos), has transferred the repository to the Processing Found…

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## [Arduino-Processing Radar project parsing error](https://discourse.processing.org/t/arduino-processing-radar-project-parsing-error/45095)

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**Author:** [@erdemerz](https://discourse.processing.org/u/erdemerz)\
**Replies:** 3\
**Last updated:** [September 25, 2024, 6:08pm UTC](https://discourse.processing.org/t/arduino-processing-radar-project-parsing-error/45095 "2024-09-25T18:08:13Z")

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iAngle = int(angle); iDistance = int(distance); This part of the code gives the following error (The function parseİnt(String) does not exist. ) how can i fix it import processing.serial.\*; // imports library for se…

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## [Sound keeps rapidly cutting in and out](https://discourse.processing.org/t/sound-keeps-rapidly-cutting-in-and-out/45044)

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**Author:** [@Math\_Machine](https://discourse.processing.org/u/Math_Machine)\
**Replies:** 2\
**Last updated:** [September 25, 2024, 8:25am UTC](https://discourse.processing.org/t/sound-keeps-rapidly-cutting-in-and-out/45044 "2024-09-25T08:25:53Z")

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Issue: sound is choppy on my sketches About a year ago I switched laptops and imported all my sketches over, including a few that use the Sound library. Said library works fine on my previous laptop, as well as every ot…

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## [Numerical calculation of velocity and pressure distribution](https://discourse.processing.org/t/numerical-calculation-of-velocity-and-pressure-distribution/28815)

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**Author:** [@HackinHarry](https://discourse.processing.org/u/HackinHarry)\
**Replies:** 23\
**Last updated:** [September 25, 2024, 7:15am UTC](https://discourse.processing.org/t/numerical-calculation-of-velocity-and-pressure-distribution/28815 "2024-09-25T07:15:06Z")

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I have a copy of this old NASA document that came up with a way to calculate the velocity and pressure distribution around an oscillating airfoil. I understand basically that it calculates through a range of angles and …

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## [Video import and export - speed problems](https://discourse.processing.org/t/video-import-and-export-speed-problems/45083)

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**Author:** [@PvN](https://discourse.processing.org/u/PvN)\
**Replies:** 0\
**Last updated:** [September 23, 2024, 6:14pm UTC](https://discourse.processing.org/t/video-import-and-export-speed-problems/45083 "2024-09-23T18:14:25Z")

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Hello everybody! i have some problems with a project. i’m trying to import a video, play it back and record the sketch, with the video being played (and some extras i excluded becaus eit doesn’t matter). so far i get t…

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## [Adding an .obj file](https://discourse.processing.org/t/adding-an-obj-file/45069)

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**Author:** [@asymmetric](https://discourse.processing.org/u/asymmetric)\
**Replies:** 8\
**Last updated:** [September 22, 2024, 2:10am UTC](https://discourse.processing.org/t/adding-an-obj-file/45069 "2024-09-22T02:10:31Z")

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Hi! I made an .obj file in blender that I would like to animate via Processing.js but I keep getting the following error: " at sketch\_3d\_obj\_interlaced\_loops.objAbstractShape(sketch\_3d\_obj\_interlaced\_loops.java:37) at…

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## [Properly adding asm dependecy (or any other dependency) to you library](https://discourse.processing.org/t/properly-adding-asm-dependecy-or-any-other-dependency-to-you-library/45068)

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**Author:** [@NumericPrime](https://discourse.processing.org/u/NumericPrime)\
**Replies:** 1\
**Last updated:** [September 21, 2024, 7:38pm UTC](https://discourse.processing.org/t/properly-adding-asm-dependecy-or-any-other-dependency-to-you-library/45068 "2024-09-21T19:38:41Z")

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I’m currently writing a library to reduce boilerplate code. Instead of using registerMethod and reflection to process all events I thought it might be faster to use asm to create create Runnables instead of using reflec…

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## [Minimap overlay for maze game](https://discourse.processing.org/t/minimap-overlay-for-maze-game/45070)

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**Author:** [@winterchan](https://discourse.processing.org/u/winterchan)\
**Replies:** 1\
**Last updated:** [September 21, 2024, 9:37am UTC](https://discourse.processing.org/t/minimap-overlay-for-maze-game/45070 "2024-09-21T09:37:37Z")

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i created this code for a 3d endless maze explorer with a minimap, but the minimap appears on one of the walls of the maze instead of being a 2d overlay. everytime i try to embed it as a 2d overlay on top of the 3d game …

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## [How to Sign a library inside core.jar, without Breaking the App?](https://discourse.processing.org/t/how-to-sign-a-library-inside-core-jar-without-breaking-the-app/45064)

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**Author:** [@Thundercat](https://discourse.processing.org/u/Thundercat)\
**Replies:** 11\
**Last updated:** [September 19, 2024, 2:26am UTC](https://discourse.processing.org/t/how-to-sign-a-library-inside-core-jar-without-breaking-the-app/45064 "2024-09-19T02:26:07Z")

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I exported a processing sketch to Apple Silicone. It works fine, but when I try to sign and notarize it to send to Apple, it fails, saying there’s an unsigned binary in core.jar. I can unzip core.jar and sign the offend…

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## [Film Soup Effect](https://discourse.processing.org/t/film-soup-effect/45060)

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**Author:** [@funnyrectangles](https://discourse.processing.org/u/funnyrectangles)\
**Replies:** 0\
**Last updated:** [September 17, 2024, 11:01pm UTC](https://discourse.processing.org/t/film-soup-effect/45060 "2024-09-17T23:01:04Z")

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Hi! After a period studying some digital glitch effects I am trying to recreate some “analog glitch” techniques. I’ve came across the idea of soaking film into strange solution (vinegar, juice, tea, etc) and the results…

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## [Movie Maker does not convert more than 100.000 files](https://discourse.processing.org/t/movie-maker-does-not-convert-more-than-100-000-files/45059)

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**Author:** [@maze](https://discourse.processing.org/u/maze)\
**Replies:** 0\
**Last updated:** [September 17, 2024, 9:54pm UTC](https://discourse.processing.org/t/movie-maker-does-not-convert-more-than-100-000-files/45059 "2024-09-17T21:54:05Z")

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It seems that the movie output of Movie Maker stopped after 100.000 pngs.

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