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little_wizard

Hello everyone, i'm having a problem using jit.gl.multiple. I'll explain it.

Take a jit.gl.gridshape bound to a jit.gl.multiple (through left jit.gl.multiple outlet):

jit.gl.multiple @blend_enable appears to be useless, i can't see any variations changing it. 

Case 4. shows that is possible to work with both light and alpha channel activated. The problem is that I want to change A channel with jit.gl.multiple and not with jit.gl.gridshape while having light_enable 1. If I could modify alpha channel with jit.gl.multiple while light_enable is 1, it would give me more possibility to change it individually on each copy made with jit.gl.multiple, unless to do it globally. I can't figure out how to do it. I hope someone can help me.

Making Alpha channel work in jit.gl.multiple while light_enable is on

making-alpha-channel-work-in-jitglmultiple-while-lightenable-is-on

 to 1 I cannot anymore re-position the everything with the

What does help here? I read sometimes something about the 

hi there,

I use a [jit.gl.videoplane] and display in in a [jit.gl.node] .

If I set the in the [jit.gl.videoplane]  the attribute...

preserved-aspect-ratio-and-jitglnode

preserved aspect ratio and jit.gl.node

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 rgb pixels  to ESP 32 as  a ZIGZAG  strip of panels of 256 leds.  RESOLVED

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

Haotian Yu

Maybe there's something obvious I'm missing here, but I couldn't find anything about this on the forums yet: jit.gl.meshwarp works well with basically any video source (usually even with direct matrix input) but won't display a specific source video I'm sending (which is a standard 4 plane jit.matrix - generated by some basic color controls). 

1) The source video displays fine when I connect it directly to a jit.pworld, also after I put it through a jit.gl.texture - so it's probably not a texture conversion issue 

2) The jit.gl.meshwarp connected to the source video is making a layer as expected, but it's transparent / showing nothing 

3) Basically anything else works - I included a fairly random jit.expr here which displays fine when connected to the same jit.gl.meshwarp 

(Sorry for the badly organized patch, this is pulled out of a bigger patch) 

meshwrap-test3.maxpat

jitglmeshwarp-doesnt-show-video

jit.gl.meshwarp doesn't show video? 

This is a bit of a niche question, but does anybody happen to know what text encoding system jit.gl.text uses to read from matrices for numbers outside the ascii printable character range? Everything from 33 to 126 outputs the correct corresponding ascii character, but I can't find any information about the higher numbers. 229 outputs a Chinese character; 239 outputs a Korean character; neither outputs are particularly common characters - so far the output seems completely random. Just to check these weren't somehow unicode, I also sent in matrix information encoded in three layers, but found that only changing the first layer char input actually modified the output. I know jit.gl.text can display any character (including non-alphabet characters) directly from a text message object; however, I specifically in this case need it to read from a matrix. 

chinese-ascii.maxpat

Asian characters do also give, according to atoi, five-number unicode codes (for example, 日 outputs 26085). I tried changing the matrix data type but jit.gl.text only accepts char, so this five-number string can't be inputted anyways. I don't know of any standard which encodes Asian characters as char (literally impossible given the 1-byte limit), so I'm not sure what else can be done beyond the aforementioned (failed) strategy of sending multiple layers. A bit stuck on this one. 

jit.gl.text - non-alphabet (Asian) characters from matrix char data? 

jitgltext-non-alphabet-asian-characters-from-matrix-char-data

Senka Ortiz

I'm a super beginner maybe doing something way out of my scope but I'm trying to create a point attraction system where the points in the mesh are my own custom image, I'm not sure how to make that happen trying jit.gencoord but it makes it so the points reflect a whole image rather than each point being an image itself.

adding-jittexture-to-mesh-points

Adding jit.texture to mesh points

Caen Botto

I'm trying to bring back to life an old patch that is basically a 

It happens that in max 7 it works at more than 60 fps, but in max 8.6.4  it doesn't go over 11 fps, and in 9 less than 4 fps. 

Checked on 2 different  PCs with windows 10 and 11 

Has jit.gl.sketch changed something in the latest versions of jitter?

has-jitglsketch-changed-something-in-the-latest-versions-of-jitter

rvirmoors

i want to read a movie file and instantly play it not from the start, but from a random position. i'm triggering "read" followed by "jump" and "position", but in both cases the result is i see the first frame for a moment, and only then does the playback start from the desired position

(using playlist~ with "selection $1 1" works, but I don't want to preload my videos into a playlist~, i'd rather read them in as needed)

jitmovie-jump-after-loading

jit.movie jump after loading

oeeee

 randomly. I want the random argument to update automatically whenever a new video is added or removed, without manually adjusting it. How can I find out how many items are in the playlist?

Jitter Forum