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Sabina Covarrubias

Can someone please help me understand how to avoid this visual “jitter” or “noise”? It looks like small squares or tearing, whereas it should appear as a smooth, flat surface.

, or any type of quads or triangles. I specifically need to use these draw modes.

Is there any trick to avoid this visual noise while still using 

[Image: Screenshot 2025-06-25 at 12.54.09.png ]
Hello,

Can someone please help me understand how to avoid this visual “jitter” or “noise”?...

how-to-avoid-visual-noise-in-quands-or-triangles-polygon-drawmode

How to avoid "visual noise"  using jit.slide in quads or triangles, or  polygon  draw_mode ? 

benjamin vyger

I have an offset with datas received in ESP32

Below I want to control one strip of 256 leds.

Here I send 768 datas (RGB)  + 1 datas ( "the row"  where pixels will be controlled)

As we can see, I receive several time r,g ,b and after there is an offset with datas.

I tested to send less datas, but it doesn't change the bug.

When these bugs are fixed, I would like to send with row 0 the R,G,B data to leds 0 to 255 and with row 1 to leds 256 to 512. (when there are two lines at [jit.noise 3 char 256 2])

#include <WiFi.h>
#include <WiFiUdp.h>
#include "esp_wifi.h"
WiFiUDP Udp;
 const unsigned int localPort = 8009; // UDP Port
 IPAddress local_IP(192, 168, 0, 9);
 IPAddress gateway(10, 10, 10, 1);
 IPAddress subnet(255, 255, 0, 0);

#define LED_BUILTIN 16
#define BUILTIN_LED LED_BUILTIN
#include <FastLED.h>
#define NUM_LEDS 256
#define PIN_CONTROLLING_STRIP 23
CRGB leds[NUM_LEDS];
uint8_t buffer[769];

void setup() {
Serial.begin(115200);
WiFi.mode(WIFI_STA); esp_wifi_set_ps(WIFI_PS_NONE); WiFi.config(local_IP, gateway, subnet);Udp.begin(localPort);
WiFi.begin("SFR-d078", "DEDW3VPARYGZ");// SSID & password
Serial.println("IP address: ");Serial.println(WiFi.localIP()); Serial.print("Local port: ");Serial.println(localPort);
FastLED.addLeds<NEOPIXEL, PIN_CONTROLLING_STRIP>(leds, NUM_LEDS); FastLED.setBrightness(180);
for (int i = 0; i <= NUM_LEDS; i++) {leds[i] = CRGB(0, 0, 0); // turn off all
FastLED.show();}
}

void loop() {Udp.parsePacket(); if(Udp.read(buffer, 769) > 0) {showit();Serial.println();}}

void showit(){int row = buffer[768]; Serial.print("row "); Serial.println(row);
for (int j = 0; j < 768; j++) {int pix = (j/3); // 768/3=256 led.
int r = (buffer[pix]); int g = (buffer[pix+1]); int b = (buffer[pix+2]);
 Serial.print ("r "); Serial.print (r); Serial.print ( " g "); Serial.print (g); Serial.print (" b "); Serial.print (b);}
}


sending 512 rgb pixels  to ESP 32 as  a ZIGZAG  strip of two 256 leds.  RESOLVED

sending-rgb-to-esp-32-to-control-led-strip

petcode

I want to play fullscreen movies on two screens using a M4 MacMini. The sound is multichannel. So i have to use an external sound card.

When I switch on the dac~, the privacy indicator is then displayed on the main screen, even if the input device is set to "None". 

I disabled the privacy indicator on secondary screens: 

System Settings → Privacy & Security → Microphone → privacy indicator

system-override suppress-sw-camera-indication-on-external-displays=on

The orange privacy indicator is not shown at the external screen, but still stays on the main monitor. Same result on a standalone and running the patch inside Max.

This also happens with input device is set to "None". Which I do not need. I only want to play sound.

The funny thing is: If you set the input devise to "None" using the mouse, the privacy indicator is not visible for 2 seconds. It then appears again automatically.

The only solution I see is to attach an additional monitor to worship the orange dot :-)

Hello Jitter Pros,

I want to play fullscreen movies on two screens using a M4 MacMini. The sound is multichannel. So i have to use an...

macos-155-sequoia-privacy-indicator-on-main-screen

macOS 15.5 Sequoia privacy indicator on main screen

uforange

I have a question about Jitter. Assuming a grid like the one in the attached image below (the black lines are just for reference and are actually invisible), I’d like to load a single image and display it across the blocks of the grid. However, instead of showing the image identically in each block, I’d like to rotate it 90 degrees in certain cells. Is this possible to implement in Jitter? I'm also wondering if it's possible to change the grid layout in response to a bang signal. Thank you.

Hello, 

I have a question about Jitter. Assuming a grid like the one in the attached image below (the black lines are just for reference...

placing-an-image-inside-a-variable-sized-grid

Placing an image inside a variable-sized grid

Julien Bayle

it made a while. Hope everyone fine here. 

A couple of questions more C74 oriented to.

I have some habits using GL contexts and GPU things (like bypassing jit.gl.pix etc) for saving GPU (& CPU if some parameters are flowing too) but I wanted to clarify them. For instance, jit.fx... family, as a comparison, got a bypass internal attributes/features , so nowadays, this is the way, I understand.

Does a jit.gl.node consume something if it is "directed" by changing the drawto to a null context ? Is it "better" to disable it (enable 0) ?

Does a GL 3D objects (I mean gridshape, sketch etc etc) has to be disable too if it is rendered by a jit.gl.node which have been disabled ? More precisely, do I have to disable and/or switch drawto  to null the jit.gl.node AND disable GL 3D objects too ?

I used to do both, but maybe the rendering context (jit.gl.node) is the only one to be switched (drawto, etc)

Maybe, some other questions will come here.

Hi mates,

it made a while. Hope everyone fine here. 

A couple of questions more C74 oriented to.

I have some habits using GL contexts...

gl-rendering-context-switching-gl-objects-and-cpugpu-saving

GL Rendering context switching, GL Objects & cpu/gpu saving

aartcore

Is there a way to rotate the anim.path like the jit.gl.path with the orient function. I want the path with pathstyle ribbon to lay flat. If i use the rotatexyz on the the jit.gl.path the animation of the gridshape doesn't follow..

Is there a way to rotate the anim.path like the jit.gl.path with the orient function. I want the path with pathstyle ribbon to lay flat. If...

jitanimpath-ribbon-orient-rotation

jit.anim.path ribbon orient / rotation

Conall Ó Maoláin

I'm working on this spectrum visualiser and I want to write it in a shader. 

I've gotten stuck with avoiding the interpolation between fragments. I tried getting the floor of a scaled up UV to be my pixels but that didn't work. 

To be honest it looks alright with the interpolation but it's not really what I'm going for and I'd like to know how to turn it off. 

I've included the jit.gen patch as a reference too.

Hello, 
I'm working on this spectrum visualiser and I want to write it in a shader. 
I've gotten stuck with avoiding the interpolation...

interpolated-fragments-in-glsl

Interpolated fragments in GLSL 

soundyi

This started off in another thread, but I want to give this a fresh start to get the point : what can we expect from jit.path interpolation when it comes to 2D coordinates of a 2D path.

 points out : it is useful for creating user interfaces for parameter morphing, but I try to use it for 2D vector interpolation in the "visual domain", especially an even distribution of 2D points (location vectors) of a path.

My current finding : jit.path always calculates its interpolated values from 2 consecutive vectors of its internal state (the 2D vectors you have added via the append message) and there seems to be no way to get it work across the entire path, which is essential when you want useful results in the visual domain.

The screenshots (made with the attached patcher) shows the problem : if the 2D vectors appended to jit.path are not even distributed by themselves (line-2) you cannot get any even distribution out of it, even if its a straight line, regardless of the evaluation mode you use (eval vs. evallength).

So the questions is - do I miss something ... or are the other Max objects or Gen techniques to interpolate a path of 2D points into an even distribution of 2D points, as you can see for "line-1 & eval" above (but for complex path with curvatures)  ?

and the JavaScript file for the jsui as this is missing in the compressed copy

This started off in another thread, but I want to give this a fresh start to get the point : what can we expect from jit.path interpolation...

interpolation-with-jitpath-for-2d-paths

interpolation with jit.path for 2D paths 

James Kogane

Have tweaked JFC's play blur patch a bit and while the sonogram sounds amazing before I start manipulating effects or the playback rate, once I touch the playback rate and return it to 1. things become way more smeared even with the fx bypassed. Here's a link of the tweaked patch and an audio example of the before and after:

https://www.dropbox.com/scl/fo/l6l1efi9wyqsg0trltsda/ADQcpHhW80fJdMkvsfP4RVY?rlkey=c7cmw5e617vbq12sc330mg7px&st=0uvth404&dl=0

Jitter Forum