# Latest

**URL:** https://discourse.processing.org/latest.md?page=382

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

**Page:** 383

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## [Can you run a Processing sketch and hide the Canvas Window?](https://discourse.processing.org/t/can-you-run-a-processing-sketch-and-hide-the-canvas-window/18542)

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**Author:** [@nicnut](https://discourse.processing.org/u/nicnut)\
**Replies:** 4\
**Last updated:** [March 11, 2020, 1:30pm UTC](https://discourse.processing.org/t/can-you-run-a-processing-sketch-and-hide-the-canvas-window/18542 "2020-03-11T13:30:04Z")

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Hi everyone. I’ve seen a few posts on this topic, but none that seem to answer what I am looking for. I am trying to use Processing in a live, VJ type situation, with the a Processing sketch reacting to OSC messages, an…

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## [Combining Processing Code](https://discourse.processing.org/t/combining-processing-code/18583)

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**Author:** [@kristipham](https://discourse.processing.org/u/kristipham)\
**Replies:** 2\
**Last updated:** [March 11, 2020, 12:35pm UTC](https://discourse.processing.org/t/combining-processing-code/18583 "2020-03-11T12:35:08Z")

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I am controlling multiple LEDs and was able to get a simple code running in Processing with Arduino. My master code controls the LEDS based on an RTD clock module while a sensor reads the amount of lux the lighting array…

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## [Parsing GPS Data - Partially Working](https://discourse.processing.org/t/parsing-gps-data-partially-working/18435)

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**Author:** [@YellowGTM](https://discourse.processing.org/u/YellowGTM)\
**Replies:** 8\
**Last updated:** [March 11, 2020, 11:58am UTC](https://discourse.processing.org/t/parsing-gps-data-partially-working/18435 "2020-03-11T11:58:13Z")

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I’ve connected a GPS antenna to my laptop. With several attempts to troubleshoot the code, It appears the issue is within serialEvent(), and/or my parsing structure. If I print(inString); to the console, I can see the…

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## [Data Acquiring Delay](https://discourse.processing.org/t/data-acquiring-delay/18438)

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**Author:** [@KGS](https://discourse.processing.org/u/KGS)\
**Replies:** 10\
**Last updated:** [March 6, 2020, 11:51am UTC](https://discourse.processing.org/t/data-acquiring-delay/18438 "2020-03-06T11:51:04Z")

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I am using processing software to acquire data from 4 arduino microcontrollers simultaneously. I have seen that after a few minutes data plotting gets delayed and increasing it. At initially it works fine and the latt…

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## [Find a tip to inform the position to the stepper motor](https://discourse.processing.org/t/find-a-tip-to-inform-the-position-to-the-stepper-motor/17644)

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**Author:** [@bking](https://discourse.processing.org/u/bking)\
**Replies:** 4\
**Last updated:** [March 10, 2020, 5:29pm UTC](https://discourse.processing.org/t/find-a-tip-to-inform-the-position-to-the-stepper-motor/17644 "2020-03-10T17:29:20Z")

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n Processing, I made a simulation where I run an engine over several revolutions at a certain speed and in both directions. I can track the position of the simulated motor using a stepper motor. By giving the position …

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## [Processing Community Day @ The Netherlands](https://discourse.processing.org/t/processing-community-day-the-netherlands/3458)

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**Author:** [@SabrinaVerhage](https://discourse.processing.org/u/SabrinaVerhage)\
**Replies:** 21\
**Last updated:** [March 11, 2020, 10:41am UTC](https://discourse.processing.org/t/processing-community-day-the-netherlands/3458 "2020-03-11T10:41:43Z")

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Hi all, this is Sabrina co-founder of Creative Coding Amsterdam :wave: Let’s start a dialogue for people interested in co-organizing or in other ways participating in creating a (or multiple) Processing Community Day(s)…

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## [Corona Activity - Lets find a silver lining!](https://discourse.processing.org/t/corona-activity-lets-find-a-silver-lining/18588)

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**Author:** [@djcldy](https://discourse.processing.org/u/djcldy)\
**Replies:** 2\
**Last updated:** [March 11, 2020, 7:59am UTC](https://discourse.processing.org/t/corona-activity-lets-find-a-silver-lining/18588 "2020-03-11T07:59:21Z")

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Hi Processing community, Would anyone be interested to organize an online hack-a-thon during the C19 shutdown. I know many of us are faculty or students, or have been shut out of work. We could organize a fun activity u…

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## [Mouse wrap around monitor / extend cycle of mouse around screen](https://discourse.processing.org/t/mouse-wrap-around-monitor-extend-cycle-of-mouse-around-screen/18563)

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**Author:** [@ZvivZ](https://discourse.processing.org/u/ZvivZ)\
**Replies:** 1\
**Last updated:** [March 11, 2020, 6:26am UTC](https://discourse.processing.org/t/mouse-wrap-around-monitor-extend-cycle-of-mouse-around-screen/18563 "2020-03-11T06:26:41Z")

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Is there a way in Processing to make the mouse cycle around the screen and keep giving mouseX/mouseY positions? This would be for games that use a trackball or spinner. I’m able to use a third party program (CursorUS) …

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## [Having problems with buttons/sound on cellphone](https://discourse.processing.org/t/having-problems-with-buttons-sound-on-cellphone/18579)

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**Author:** [@KatGreen](https://discourse.processing.org/u/KatGreen)\
**Replies:** 1\
**Last updated:** [March 11, 2020, 4:38am UTC](https://discourse.processing.org/t/having-problems-with-buttons-sound-on-cellphone/18579 "2020-03-11T04:38:59Z")

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Hello everyone, fist timer here so sorry if I am making a mess of this post: I’ve created this really simple page with three buttons: track 1, track 2 and STOP. Track 1 - plays track 1 (and stops track 2 if it’s playin…

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## [SVG file throwing nullPointerException](https://discourse.processing.org/t/svg-file-throwing-nullpointerexception/18466)

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**Author:** [@martinh](https://discourse.processing.org/u/martinh)\
**Replies:** 6\
**Last updated:** [March 11, 2020, 2:49am UTC](https://discourse.processing.org/t/svg-file-throwing-nullpointerexception/18466 "2020-03-11T02:49:19Z")

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I was given some svg files by a colleague for incorporating a project I’m working on, but it’s throwing a nullPointerException error (Actuator.svg). snowman.svg is loading fine. Actuator was cause a style error, but I …

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## [Different Hole Score Question](https://discourse.processing.org/t/different-hole-score-question/18575)

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**Author:** [@Dr.Dremur](https://discourse.processing.org/u/Dr.Dremur)\
**Replies:** 1\
**Last updated:** [March 10, 2020, 11:32pm UTC](https://discourse.processing.org/t/different-hole-score-question/18575 "2020-03-10T23:32:30Z")

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Due to other projects and not a lot of time left, my golf game for processing has been adjusting to fit time loss. My new idea for now is a golf skee ball. I have the code to throw the golf ball, but I’m trying to figure…

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## [Updating the Collision between 2 ellipses](https://discourse.processing.org/t/updating-the-collision-between-2-ellipses/18559)

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**Author:** [@Yorunoshi](https://discourse.processing.org/u/Yorunoshi)\
**Replies:** 1\
**Last updated:** [March 10, 2020, 6:48pm UTC](https://discourse.processing.org/t/updating-the-collision-between-2-ellipses/18559 "2020-03-10T18:48:40Z")

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I want the ellipse from “Gegner” to collapse and kill the ellipses from “Dot” can you guys help me? This is the Code: https://codeshare.io/5zpWyr

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## [Droste Video Capture Sketch on RaspberryPI4](https://discourse.processing.org/t/droste-video-capture-sketch-on-raspberrypi4/18566)

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**Author:** [@monkstone](https://discourse.processing.org/u/monkstone)\
**Replies:** 0\
**Last updated:** [March 10, 2020, 3:46pm UTC](https://discourse.processing.org/t/droste-video-capture-sketch-on-raspberrypi4/18566 "2020-03-10T15:46:59Z")

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For my latest PiCrate release I have created an easy way to install the latest beta release of the processing video library picrate --install video The video library is not the finished article, but I get surprisingly …

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## [Prerequisites for GSoC 2020](https://discourse.processing.org/t/prerequisites-for-gsoc-2020/17878)

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**Author:** [@parth1811](https://discourse.processing.org/u/parth1811)\
**Replies:** 1\
**Last updated:** [March 10, 2020, 2:57pm UTC](https://discourse.processing.org/t/prerequisites-for-gsoc-2020/17878 "2020-03-10T14:57:01Z")

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Hello. I’m Parth Patil, a 3rd year BTech Student. I was interested in doing GSoC with processing. I had a few doubts regarding the selection process. Are there any prerequisites that we should satisfy before applying? H…

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## [How to avoid drawing over oneself while drawing something from loop?](https://discourse.processing.org/t/how-to-avoid-drawing-over-oneself-while-drawing-something-from-loop/18557)

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**Author:** [@Samizen](https://discourse.processing.org/u/Samizen)\
**Replies:** 3\
**Last updated:** [March 10, 2020, 12:32pm UTC](https://discourse.processing.org/t/how-to-avoid-drawing-over-oneself-while-drawing-something-from-loop/18557 "2020-03-10T12:32:57Z")

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I am drawing a visualization map. I have connected a slider with the number of counts of my tables. While increasing the slider, the date I displayed as text draws over itself. How can I avoid it? I’ll place a photo of m…

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## [G4P/grafica multiwindow plot crash](https://discourse.processing.org/t/g4p-grafica-multiwindow-plot-crash/18440)

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**Author:** [@cannocchiale](https://discourse.processing.org/u/cannocchiale)\
**Replies:** 6\
**Last updated:** [March 10, 2020, 10:10am UTC](https://discourse.processing.org/t/g4p-grafica-multiwindow-plot-crash/18440 "2020-03-10T10:10:30Z")

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Hello everyone, I’m having a stability issue when using G4P and grafica libraries. I want to create a program which reads a serial string sent by arduino. It is a two-channel pressure measurements - an E and an F channe…

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## [What is happening to this Array?](https://discourse.processing.org/t/what-is-happening-to-this-array/18502)

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**Author:** [@NoClue](https://discourse.processing.org/u/NoClue)\
**Replies:** 3\
**Last updated:** [March 10, 2020, 6:45am UTC](https://discourse.processing.org/t/what-is-happening-to-this-array/18502 "2020-03-10T06:45:36Z")

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Hello, everybody :smiley: This will be a looong first post. And the error will be embarrassing minor… At first click trough this first code (‘s’ to start and then ‘n’ to proceed until nothing happens), then you’ll get…

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## [Processing doesn't run my code](https://discourse.processing.org/t/processing-doesnt-run-my-code/12620)

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**Author:** [@Mahrokh](https://discourse.processing.org/u/Mahrokh)\
**Replies:** 8\
**Last updated:** [March 9, 2020, 9:05pm UTC](https://discourse.processing.org/t/processing-doesnt-run-my-code/12620 "2020-03-09T21:05:49Z")

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I have Processing 3.4 on Windows 10. When I press the run button, it doesn’t do anything. I tried running simple sample sketches with no result. I’ve had this problem before, but I just restarted my computer and it would…

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## [Transition between sketches during a live performance](https://discourse.processing.org/t/transition-between-sketches-during-a-live-performance/12131)

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**Author:** [@mezhaka](https://discourse.processing.org/u/mezhaka)\
**Replies:** 14\
**Last updated:** [March 9, 2020, 8:13pm UTC](https://discourse.processing.org/t/transition-between-sketches-during-a-live-performance/12131 "2020-03-09T20:13:54Z")

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I would like to find out what are the strategies for switching between the sketches? I am preparing a performance (visual accompanying a live act) and I need some way of transitioning between different sketches that I a…

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## [Sound library constructor with cache doesn't exist](https://discourse.processing.org/t/sound-library-constructor-with-cache-doesnt-exist/18526)

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**Author:** [@AkaiKenshi](https://discourse.processing.org/u/AkaiKenshi)\
**Replies:** 2\
**Last updated:** [March 9, 2020, 6:46pm UTC](https://discourse.processing.org/t/sound-library-constructor-with-cache-doesnt-exist/18526 "2020-03-09T18:46:45Z")

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hey so in the documentation for the library in processing.org the SoundFile class has a constructor with three values one of those being the cache… how ever I’ve tried to use it and it seems to no longer be on the librar…

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## [Asteroids Clone in p5.js](https://discourse.processing.org/t/asteroids-clone-in-p5-js/18511)

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**Author:** [@fragdemented](https://discourse.processing.org/u/fragdemented)\
**Replies:** 2\
**Last updated:** [March 9, 2020, 6:19pm UTC](https://discourse.processing.org/t/asteroids-clone-in-p5-js/18511 "2020-03-09T18:19:09Z")

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After months of learning and one month of development, I have finally finished something to show off. Here is an Asteroids Clone created using p5js. I had a lot of fun making it, let me know what you think! https://edit…

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## [Autocomplete code from IDE](https://discourse.processing.org/t/autocomplete-code-from-ide/18483)

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**Author:** [@JPatagonico](https://discourse.processing.org/u/JPatagonico)\
**Replies:** 5\
**Last updated:** [March 9, 2020, 6:10pm UTC](https://discourse.processing.org/t/autocomplete-code-from-ide/18483 "2020-03-09T18:10:28Z")

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Hi, I activated the autocomplete option from the IDE preferences. Autocomplete using ctrl + space is not working. How does code autocomplete work? I performed tests with Java and P5.js and in both cases it did not wor…

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## [Make clouds move](https://discourse.processing.org/t/make-clouds-move/18465)

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**Author:** [@M.juliet](https://discourse.processing.org/u/M.juliet)\
**Replies:** 4\
**Last updated:** [March 9, 2020, 6:04pm UTC](https://discourse.processing.org/t/make-clouds-move/18465 "2020-03-09T18:04:23Z")

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Hi, I’m writing some code where I’ve drawn a few clouds in a for loop. Now I want to make these clouds move like they’re coming out of the factory with a while loop. I need them to constantly be moving (not that you can …

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## [P3D not working in Mojave](https://discourse.processing.org/t/p3d-not-working-in-mojave/18532)

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**Author:** [@brewthom](https://discourse.processing.org/u/brewthom)\
**Replies:** 0\
**Last updated:** [March 9, 2020, 3:27pm UTC](https://discourse.processing.org/t/p3d-not-working-in-mojave/18532 "2020-03-09T15:27:09Z")

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I’ve seen some posts on this, but can’t find a solution. P3d gives the following error on all my lab computers running Mojave (25 computers). This happens even with only the following code: (the problem goes away if I ge…

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## [GSoC: Adding feature to make sketch private](https://discourse.processing.org/t/gsoc-adding-feature-to-make-sketch-private/9751)

<div class="topic-metadata">

**Author:** [@Moshood](https://discourse.processing.org/u/Moshood)\
**Replies:** 3\
**Last updated:** [March 9, 2020, 1:06pm UTC](https://discourse.processing.org/t/gsoc-adding-feature-to-make-sketch-private/9751 "2020-03-09T13:06:42Z")

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I’ve submitted a proposal draft on the Google summer of code processing foundation. I’d appreciate if the mentor in charge of this project can review this proposal and give advice on how to make it better.

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## [Change Ball's Color After Collision](https://discourse.processing.org/t/change-balls-color-after-collision/18521)

<div class="topic-metadata">

**Author:** [@Nadiantara](https://discourse.processing.org/u/Nadiantara)\
**Replies:** 2\
**Last updated:** [March 9, 2020, 11:53am UTC](https://discourse.processing.org/t/change-balls-color-after-collision/18521 "2020-03-09T11:53:51Z")

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Hello! I’m trying to make a simulation about hard-sphere collision with some modifications and I’ve been stuck for days. This is the output : However, I want the blue ball to turn its color to red after collided with…

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## [Datepicker in Processing](https://discourse.processing.org/t/datepicker-in-processing/2128)

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**Author:** [@Santy](https://discourse.processing.org/u/Santy)\
**Replies:** 11\
**Last updated:** [March 9, 2020, 9:39am UTC](https://discourse.processing.org/t/datepicker-in-processing/2128 "2020-03-09T09:39:23Z")

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Hello my friends, I need to include in my project a Datepicker, but it seems that no exist nothing about this. I found an exemple in java: import java.util.Locale; import javafx.application.Application; import javafx.…

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## [PiCrate-2.0 for Buster](https://discourse.processing.org/t/picrate-2-0-for-buster/18524)

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**Author:** [@monkstone](https://discourse.processing.org/u/monkstone)\
**Replies:** 0\
**Last updated:** [March 9, 2020, 8:53am UTC](https://discourse.processing.org/t/picrate-2-0-for-buster/18524 "2020-03-09T08:53:58Z")

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Previously I announced Picrate 1.0 for Stretch on the RaspberryPI3B+ that also worked on RaspberryPI4 with Buster. I’m pleased to announce that I have just released a pre-release of PiCrate-2.0.0 for buster, that is work…

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## [Word cloud with data](https://discourse.processing.org/t/word-cloud-with-data/18514)

<div class="topic-metadata">

**Author:** [@anb97871](https://discourse.processing.org/u/anb97871)\
**Replies:** 1\
**Last updated:** [March 9, 2020, 8:15am UTC](https://discourse.processing.org/t/word-cloud-with-data/18514 "2020-03-09T08:15:31Z")

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Hi. I am so new to processing and starting a project where I need to upload data from a csv and take data to display with scale and map of the data. It is simple data and have been able to upload the data. A sample of …

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## [Receiving error but cannot debug: ArrayIndexOutOfBoundsException](https://discourse.processing.org/t/receiving-error-but-cannot-debug-arrayindexoutofboundsexception/18415)

<div class="topic-metadata">

**Author:** [@firetryer](https://discourse.processing.org/u/firetryer)\
**Replies:** 38\
**Last updated:** [March 9, 2020, 4:45am UTC](https://discourse.processing.org/t/receiving-error-but-cannot-debug-arrayindexoutofboundsexception/18415 "2020-03-09T04:45:08Z")

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int currentScreen; PImage img; PImage img0; PImage img1; import processing.sound.\*; SoundFile file; void setup() { size (1000, 683); noStroke(); smooth(); img = loadImage ("batman.jpeg"); img0 = loadImage ("jo…

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