# Latest

**URL:** https://discourse.processing.org/latest.md?page=575

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

**Page:** 576

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## [Cannot Export To Mac](https://discourse.processing.org/t/cannot-export-to-mac/4390)

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**Author:** [@Myselium](https://discourse.processing.org/u/Myselium)\
**Replies:** 2\
**Last updated:** [October 12, 2018, 5:56pm UTC](https://discourse.processing.org/t/cannot-export-to-mac/4390 "2018-10-12T17:56:27Z")

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Hello, When i try to export my project to mac (I am on windows 10), the checkbox is greyed out. Why is this happening and how do i fix it. i am using the serial library for communicating with my arduino and the G4P f…

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## [Show image in setup](https://discourse.processing.org/t/show-image-in-setup/4347)

<div class="topic-metadata">

**Author:** [@FerrariLuigi](https://discourse.processing.org/u/FerrariLuigi)\
**Replies:** 3\
**Last updated:** [October 12, 2018, 5:35pm UTC](https://discourse.processing.org/t/show-image-in-setup/4347 "2018-10-12T17:35:27Z")

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Dear all, I wrote a processing sketch that has a very long setup function. During setup I have to read many files and I have to initialize a large number of varabiles. Unfortunately during setup the screen is complitel…

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## [First frame of a video](https://discourse.processing.org/t/first-frame-of-a-video/4384)

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**Author:** [@FerrariLuigi](https://discourse.processing.org/u/FerrariLuigi)\
**Replies:** 2\
**Last updated:** [October 12, 2018, 5:33pm UTC](https://discourse.processing.org/t/first-frame-of-a-video/4384 "2018-10-12T17:33:42Z")

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Dear all, Im developing a project using video library. how to show the first frame of a video as an image ? Thank you very much for your help and cooperation regards

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## [MouseWheel issue - getCount stay at 0 with P3D, P2D renderer](https://discourse.processing.org/t/mousewheel-issue-getcount-stay-at-0-with-p3d-p2d-renderer/4129)

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**Author:** [@VCorboliou](https://discourse.processing.org/u/VCorboliou)\
**Replies:** 3\
**Last updated:** [October 12, 2018, 3:16pm UTC](https://discourse.processing.org/t/mousewheel-issue-getcount-stay-at-0-with-p3d-p2d-renderer/4129 "2018-10-12T15:16:25Z")

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Hi everyone, I experienced an issue using MouseWheel callback function on a raspberry Pi Model 3 b+ and processing 3.4. The function is executed but the MouseEvent.getCount() method is returning 0 when I scroll up or d…

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## [Amorphous/Round Shapes around Polygons/Triangles](https://discourse.processing.org/t/amorphous-round-shapes-around-polygons-triangles/4072)

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**Author:** [@anneklappe](https://discourse.processing.org/u/anneklappe)\
**Replies:** 5\
**Last updated:** [October 12, 2018, 2:54pm UTC](https://discourse.processing.org/t/amorphous-round-shapes-around-polygons-triangles/4072 "2018-10-12T14:54:46Z")

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Hello, Multiple particles are flying around in my sketch. When the points are close enough to each other, lines are drawn in between. When three points are close to each other, the lines shape a triangle between the poi…

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## [Parsing Data in Processing thru Serial Port from Arduino + Pixy Cam](https://discourse.processing.org/t/parsing-data-in-processing-thru-serial-port-from-arduino-pixy-cam/4067)

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**Author:** [@mck.sanderson](https://discourse.processing.org/u/mck.sanderson)\
**Replies:** 4\
**Last updated:** [October 12, 2018, 1:41pm UTC](https://discourse.processing.org/t/parsing-data-in-processing-thru-serial-port-from-arduino-pixy-cam/4067 "2018-10-12T13:41:49Z")

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Hello! New here and haven’t been able to really find anything super helpful for what I specifically need. I’m a super beginner…n00b, really. My professor is helping me with this but we haven’t quite figured it out yet an…

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## [Creategraphics as an image](https://discourse.processing.org/t/creategraphics-as-an-image/4375)

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**Author:** [@kristencostello1](https://discourse.processing.org/u/kristencostello1)\
**Replies:** 4\
**Last updated:** [October 12, 2018, 12:19pm UTC](https://discourse.processing.org/t/creategraphics-as-an-image/4375 "2018-10-12T12:19:48Z")

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Hi, I combined a bunch of image files using creategraphics and .image to make a “pgraphics” (or whatever p5 calls a processing pgraphic… maybe it’s called p5.Renderer?) that has all of the images in one pgraphic. I’d lik…

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## [Http.requests.\* handle connection refused](https://discourse.processing.org/t/http-requests-handle-connection-refused/4281)

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**Author:** [@mano1979](https://discourse.processing.org/u/mano1979)\
**Replies:** 11\
**Last updated:** [October 12, 2018, 10:31am UTC](https://discourse.processing.org/t/http-requests-handle-connection-refused/4281 "2018-10-12T10:31:36Z")

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I am writing a little program to search all ip adresses in my network for an appropriate respons. But the ip addresses that do not have any server or service running give an error and even worse, it takes very long unti…

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## [HTTP POST Request Issue](https://discourse.processing.org/t/http-post-request-issue/4338)

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**Author:** [@samcox89](https://discourse.processing.org/u/samcox89)\
**Replies:** 3\
**Last updated:** [October 12, 2018, 9:13am UTC](https://discourse.processing.org/t/http-post-request-issue/4338 "2018-10-12T09:13:50Z")

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Hi there, At a basic level, i’ve got a Raspberry Pi with MusicBox loaded. I’m using a second machine to change the audio using HTTP requests. My request is - { “method”: “core.playback.get\_current\_tl\_track”, “jsonrpc”:…

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## [MouseDragged and slowing it down across a network](https://discourse.processing.org/t/mousedragged-and-slowing-it-down-across-a-network/4351)

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**Author:** [@bardiel13th](https://discourse.processing.org/u/bardiel13th)\
**Replies:** 2\
**Last updated:** [October 11, 2018, 1:25pm UTC](https://discourse.processing.org/t/mousedragged-and-slowing-it-down-across-a-network/4351 "2018-10-11T13:25:08Z")

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Hi, so I’m working on a semi-emergency project where people can draw on a canvas across the internet and it is converted to Gcode for a drawing robot I built. The problem is, it seems to really get bogged down when I do…

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## [How to get array.length after calculating greater(less) than?](https://discourse.processing.org/t/how-to-get-array-length-after-calculating-greater-less-than/4336)

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**Author:** [@SolDrakibane](https://discourse.processing.org/u/SolDrakibane)\
**Replies:** 2\
**Last updated:** [October 11, 2018, 11:25am UTC](https://discourse.processing.org/t/how-to-get-array-length-after-calculating-greater-less-than/4336 "2018-10-11T11:25:51Z")

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Alright, so i have numbers that i need to calculate in this code. And i need to calculate all the array numbers above 5.5 and set them into a .length so i can calculate the amount of sufficient scores. I also need to do …

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## [P5.speech; Raspberry-pi Browser](https://discourse.processing.org/t/p5-speech-raspberry-pi-browser/4331)

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**Author:** [@bartan](https://discourse.processing.org/u/bartan)\
**Replies:** 1\
**Last updated:** [October 11, 2018, 11:25am UTC](https://discourse.processing.org/t/p5-speech-raspberry-pi-browser/4331 "2018-10-11T11:25:21Z")

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Hello everyone! I have got a problem with p5.js-speech, or p5.js-speech has a problem with my raspberry browser. I downloaded everything, which is necessary for this, linked it correctly, and my “code” works fine on my…

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## [Programming posters](https://discourse.processing.org/t/programming-posters/3580)

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**Author:** [@timrodenbroeker](https://discourse.processing.org/u/timrodenbroeker)\
**Replies:** 7\
**Last updated:** [September 23, 2018, 6:15am UTC](https://discourse.processing.org/t/programming-posters/3580 "2018-09-23T06:15:17Z")

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Hey folks, 11 days ago i’ve started an instagram-series called “PROGRAMMING POSTERS”: I post one poster design each day, made entirely with Processing. My aim is to build a catalogue of generative design-ideas which c…

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## [Creating class variations using implements](https://discourse.processing.org/t/creating-class-variations-using-implements/4328)

<div class="topic-metadata">

**Author:** [@gonadgranny](https://discourse.processing.org/u/gonadgranny)\
**Replies:** 3\
**Last updated:** [October 11, 2018, 8:45am UTC](https://discourse.processing.org/t/creating-class-variations-using-implements/4328 "2018-10-11T08:45:45Z")

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I would like to create a variation of a class i have written and extends works well but i am limited to using it only once for some strange reason. i have been looking at implements as advised but i cant seem to get my h…

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## [Error to get data from url json](https://discourse.processing.org/t/error-to-get-data-from-url-json/4335)

<div class="topic-metadata">

**Author:** [@Banjer71](https://discourse.processing.org/u/Banjer71)\
**Replies:** 5\
**Last updated:** [October 11, 2018, 8:28am UTC](https://discourse.processing.org/t/error-to-get-data-from-url-json/4335 "2018-10-11T08:28:21Z")

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Hi I am having a problem to get the jason data from an url. I got this error from chrome dev tool. It seems that everything has to be processed via https and no http. There is a way to bypass it! Thanks Banjer71

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## [Create Blinking Eyes](https://discourse.processing.org/t/create-blinking-eyes/4343)

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**Author:** [@Mick](https://discourse.processing.org/u/Mick)\
**Replies:** 3\
**Last updated:** [October 11, 2018, 7:11am UTC](https://discourse.processing.org/t/create-blinking-eyes/4343 "2018-10-11T07:11:15Z")

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Hello fellow programmers, I need some help with my code. I’m trying to create eyes in processing that can blink. I want to be able to control each individual eyelid (left eye upper and lower lid and right eye upper and …

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## [Cant open a .json file](https://discourse.processing.org/t/cant-open-a-json-file/4333)

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**Author:** [@eilamM](https://discourse.processing.org/u/eilamM)\
**Replies:** 1\
**Last updated:** [October 11, 2018, 6:47am UTC](https://discourse.processing.org/t/cant-open-a-json-file/4333 "2018-10-11T06:47:08Z")

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Hi, so every time I try to open a .json file via Processing, it crashes, and telling me “I don’t know how to a sketch with the “json” file extension.”. I have both Java and p5.js Modes installed. I’m kinda new to the …

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## [Moving objects assignment](https://discourse.processing.org/t/moving-objects-assignment/4346)

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**Author:** [@guru\_tk](https://discourse.processing.org/u/guru_tk)\
**Replies:** 6\
**Last updated:** [October 11, 2018, 4:19am UTC](https://discourse.processing.org/t/moving-objects-assignment/4346 "2018-10-11T04:19:48Z")

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this is the question https://photos.google.com/photo/AF1QipM2ICRz3oqmgr-gBQ7dQp5yBVqK1\_ag2hX2v0ap https://photos.google.com/photo/AF1QipOUSXFSEl3n3UNftSNsEon3xtcczVtXGArcZV6G Create a new program, with a size of 400…

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## [Why cant I display the text of a string made with toString?](https://discourse.processing.org/t/why-cant-i-display-the-text-of-a-string-made-with-tostring/4306)

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**Author:** [@laptophead](https://discourse.processing.org/u/laptophead)\
**Replies:** 2\
**Last updated:** [October 11, 2018, 1:57am UTC](https://discourse.processing.org/t/why-cant-i-display-the-text-of-a-string-made-with-tostring/4306 "2018-10-11T01:57:06Z")

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got this from the AP-Sync library. building a string that will be sent to Ardu when enter is pressed. Works great, great library. However, I want to also display that string on the java, so I can see what I am typing. …

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## [Tabulated Data won't load (null pointer exception error)](https://discourse.processing.org/t/tabulated-data-wont-load-null-pointer-exception-error/4315)

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**Author:** [@Nicole\_C\_973](https://discourse.processing.org/u/Nicole_C_973)\
**Replies:** 6\
**Last updated:** [October 11, 2018, 1:30am UTC](https://discourse.processing.org/t/tabulated-data-wont-load-null-pointer-exception-error/4315 "2018-10-11T01:30:36Z")

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Hi guys I’ve managed to create an animation that works (reading strings from tabulated data)! Woo hoo. Except… I’ve made a few small changes to my tabular data, have re-saved it as a tsv file again (same name as before…

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## [netP5 (TCP/IP) and correct way to exit app?](https://discourse.processing.org/t/netp5-tcp-ip-and-correct-way-to-exit-app/4260)

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**Author:** [@dtmr](https://discourse.processing.org/u/dtmr)\
**Replies:** 0\
**Last updated:** [October 8, 2018, 9:13pm UTC](https://discourse.processing.org/t/netp5-tcp-ip-and-correct-way-to-exit-app/4260 "2018-10-08T21:13:21Z")

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I anybody using netP5 from OSC5 package for TCP/IP under Android? I’m having some stabiliy issues with it. Specifically on exit: Sometimes, my app crashes on exit. I can see in Processing’s console that some code of netP…

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## [How to make ball not go through walls?](https://discourse.processing.org/t/how-to-make-ball-not-go-through-walls/4203)

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**Author:** [@ant](https://discourse.processing.org/u/ant)\
**Replies:** 37\
**Last updated:** [October 10, 2018, 5:49pm UTC](https://discourse.processing.org/t/how-to-make-ball-not-go-through-walls/4203 "2018-10-10T17:49:24Z")

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I’m working on a maze game and ran into a problem. I’m not sure how to make the circle, not through the walls. I know you can probably do it with Boolean but I’m not really familiar with that. Is there a different way su…

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## [Android Widget Usage](https://discourse.processing.org/t/android-widget-usage/4302)

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**Author:** [@macarrony00](https://discourse.processing.org/u/macarrony00)\
**Replies:** 6\
**Last updated:** [October 10, 2018, 4:58pm UTC](https://discourse.processing.org/t/android-widget-usage/4302 "2018-10-10T16:58:38Z")

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Hy everyone, I am trying to use android widgets in my app, however I don’t know exactly how activity, context, ect. works. At the moment I have this code: //imports import android.app.Activity; import android.content.Co…

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## [Processing Coder Wanted for Project - Payed](https://discourse.processing.org/t/processing-coder-wanted-for-project-payed/4321)

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**Author:** [@NIXIE](https://discourse.processing.org/u/NIXIE)\
**Replies:** 0\
**Last updated:** [October 10, 2018, 11:25am UTC](https://discourse.processing.org/t/processing-coder-wanted-for-project-payed/4321 "2018-10-10T11:25:22Z")

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Hi all, Currently my project runs on a Arduino which is good but for several reasons a Raspberry PI fits better. The project is driving some serial IO to NIXIE tubes, LED’s and a GPS receiver to receive the time. I am…

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## [Syntax Error Output](https://discourse.processing.org/t/syntax-error-output/4261)

<div class="topic-metadata">

**Author:** [@Daniel\_Tex](https://discourse.processing.org/u/Daniel_Tex)\
**Replies:** 5\
**Last updated:** [October 10, 2018, 7:17am UTC](https://discourse.processing.org/t/syntax-error-output/4261 "2018-10-10T07:17:43Z")

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I am getting this error “SyntaxError: Expected ; but found {” Is there any way I can fix this error? The error only shows when I save the file.

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## [Processing Installation problem](https://discourse.processing.org/t/processing-installation-problem/4314)

<div class="topic-metadata">

**Author:** [@printaday3d](https://discourse.processing.org/u/printaday3d)\
**Replies:** 0\
**Last updated:** [October 10, 2018, 5:48am UTC](https://discourse.processing.org/t/processing-installation-problem/4314 "2018-10-10T05:48:32Z")

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Hello newbie here and having trouble from the start. Downloaded processing and unzipped it. Went to run the program and faced with an enexpected error. Anyone know how to resolve this? Thanks Andy

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## [Processing Crashes when I try to open a file](https://discourse.processing.org/t/processing-crashes-when-i-try-to-open-a-file/4296)

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**Author:** [@Tibsmith](https://discourse.processing.org/u/Tibsmith)\
**Replies:** 2\
**Last updated:** [October 10, 2018, 2:57am UTC](https://discourse.processing.org/t/processing-crashes-when-i-try-to-open-a-file/4296 "2018-10-10T02:57:01Z")

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As the title says, processing crashes immediatley when I try to open a sketch and returns a Null.Pointer.Exception error and will not respond. I am using Linux Solus and have been using this program fine until one day th…

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## [Python mode for Android](https://discourse.processing.org/t/python-mode-for-android/4310)

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**Author:** [@redboot](https://discourse.processing.org/u/redboot)\
**Replies:** 0\
**Last updated:** [October 10, 2018, 2:02am UTC](https://discourse.processing.org/t/python-mode-for-android/4310 "2018-10-10T02:02:28Z")

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Is there any way to use Python mode for Android development?

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## ["^" operator What does it mean?](https://discourse.processing.org/t/operator-what-does-it-mean/4290)

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**Author:** [@Aquakitty](https://discourse.processing.org/u/Aquakitty)\
**Replies:** 3\
**Last updated:** [October 9, 2018, 10:44pm UTC](https://discourse.processing.org/t/operator-what-does-it-mean/4290 "2018-10-09T22:44:42Z")

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Hi, I’m pretty new to processing and I came across something like this: buttonClicked ^= true; inside a mousePressed() function. What does this “^” do/mean? I did try searching and Googling but I think this character …

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## [Trying to Pull Images from Twitter](https://discourse.processing.org/t/trying-to-pull-images-from-twitter/4287)

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**Author:** [@AYS](https://discourse.processing.org/u/AYS)\
**Replies:** 0\
**Last updated:** [October 9, 2018, 6:02pm UTC](https://discourse.processing.org/t/trying-to-pull-images-from-twitter/4287 "2018-10-09T18:02:29Z")

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Hello there, I am quite new to this so please bear with me. I am trying to use a keyword search to pull images from twitter using twitter4j. I want it to show the images positioned randomly on the screen in a loop. Thi…

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