How to know if certain pixel is red, or blue, or green

[CodeMasterX]

well a simple solution would be to search the distance on a 3D color cube. If a color must be either Red, green or blue, you can just find the closest point. Posterization filters work in a similar way (can work).

My projects library #4! Gallery Megathread

#55 Simple posterization filter [image] Posterization filter sets the maximum amount of colors used. All colors on the screen get converted into those. explanation by josephh

Code

int clrs = 3; //end has clrs^3 colors, (1-1, 2-8, 3-27, 4-64, 5-125, 6-216,...) color clr[]; PImage img; void setup() { size(640,642); clr = generateColors(clrs); img = loadImage("house2.jpg"); println(img.width,img.height); } void draw() { image(img,0,0); noLoop(); loadPixels(); for(int i =…

here is a project that incorporates it.