Rule println() with Cellular Automaton

Programming Questions

hplodnarm..

Rule println() with Cellular Automaton

in Programming Questions • 1 year ago

Hello.

I am trying to work with the cellular automaton rule sets, and I want to be able to find out what rule is being rendered with a println so that I have it for reference with the project I'm working on (screen printing the images.)

Any help would be lovely, I'm still fairly new to the program.

CA ca;

void setup() {

size(500,500);

background(255);

int[] ruleset = {0,1,0,0,1,0,1,0};

loadPixels();

pixels[width/2] = color(0);

ca = new CA(ruleset);

}

void draw() {

ca.render();

ca.generate();

}

void mousePressed() {

background(255);

ca.randomize();

ca.restart();

println();

//here is where I want to put in a println that will display what rule is being generated

}

The CA part of the code is, at the moment, the default from here: http://processing.org/learning/topics/wolfram.html

Replies(9)

hplodnarm..

Re: Rule println() with Cellular Automaton

1 year ago

I am also having another issue getting it to do a proper .PDF export. I am using the library code of multiple frames into a single file ( http://processing.org/reference/libraries/pdf/index.html) and no PDF is showing up in my folder like normal.

PhiLho

Re: Rule println() with Cellular Automaton

1 year ago

The first problem is simple: just put between double quotes a sentence explaining the rules you are applying.
You can use several println() for several lines.

For the PDF issue, we need to see the code...

hplodnarm..

Re: Rule println() with Cellular Automaton

1 year ago

I'm not sure what you mean, doing a sentence in double quotes would just reproduce that sentence and not generate a write-out of what rulset is being applied:

I have tried println("Rule" + ruleset); , but it says that "cannot find anything called ruleset."

As for the PDF:

import CellularAutomata.*;

//import processing.pdf.*;

CA ca;

void setup() {

size(200,800);

beginRecord(PDF, "0001.pdf");

background(255);

int[] ruleset = {1,1,0,0,0,0,1,1};

loadPixels();

pixels[width/2] = color(0);

ca = new CA(ruleset);

}

void draw() {

ca.render();

ca.generate();

}

void mousePressed() {

background(255);

ca.randomize();

ca.restart();

println("Rule" + ruleset);

}

void keyPressed() {

if (key == 'r') {

endRecord();

exit();

}

Chrisir

Re: Rule println() with Cellular Automaton

1 year ago

maybe with join
println("Rule " + join(ruleset));

http://processing.org/reference/join_.html

when you want to have real text, go through the array with:

strResult="Rule set was: ";
for loop i ........ {
switch(ruleset[i]) {
case 0:
strResult=strResult+"Forward";
break;
...
...
default:
strResult=strResult+"unknown";
break;
} // switch
} // for
println(strResult);

etc.

hplodnarm..

Re: Re: Rule println() with Cellular Automaton

1 year ago

I've been looking into this join(); function, and it seems like this is what I need to be using to get the array to display in println();, I am having issues figuring out how to use it properly though, any help would be greatly appreciated.

PhiLho

Re: Rule println() with Cellular Automaton

1 year ago

Ah, I didn't understand you just wanted to dump the content of the array, I thought you wanted rules like "if a cell has n neighbors then it lives, etc."...
Then it is simple, because Processing's println understands arrays... when used alone:
int[] ruleset = { 1, 1, 0, 0, 0, 0, 1, 1 };
println("Rules:");
println(ruleset);

hplodnarm..

Re: Re: Rule println() with Cellular Automaton

1 year ago

I have tried this, it says that it cannot find anything named "ruleset".

Chrisir

Re: Rule println() with Cellular Automaton

1 year ago

you have your ruleset defined in setup().

Define it before setup(), with global scope.

After your line

CA ca;

please have

int[] ruleset = {0,1,0,0,1,0,1,0};

(and remove this line from setup()).

Then (only then) it is also known in mousePressed() etc. - otherwise only within setup().

Greetings, Chrisir

hplodnarm..

Re: Re: Rule println() with Cellular Automaton

1 year ago

Oh gosh, simple fix. Thank you all so very much!

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