Dhruv

Let me first tell you what I am trying to do.

I have eclipse setup in which I am running my java programs. Its actually processing running inside eclipse and I am controlling database images with processing sliders from one screen to the another. I am using mysql for image access.

I decided to change UI from processing to MAX. I did connect java and MAX through maxlink object. But I dont know how to tell the max slider to refer to the value inside java code which has the control over database images.

max-to-java

I may be way off here - I know others will know better - perhaps on the Java part of this forum. When I set up Eclipse, it seems that it may be good for editing etc - but compiling is then via command line etc. So I do Java using quickie which I've always found very efficient. If you have an mxj java object in max, e.g. [mxj my_object] and then send a slider, put the slider into a comment box slider -> [my_value $1] -> [mxj my_object]

post("Have set my_vlaue inside my_object to "+f);

so is this right or are you referring to communicating across some other part of Java?

then 
public void my_value (float f){
my_value = f;
post("Have set my_vlaue inside my_object to "+f);
}

so is this right or are you referring to communicating across some other part of Java?


Thats what I am doing through maxlink object. Still no luck.

where TouchScreen1 is the name of the java file.

Thats what I am doing through maxlink object. Still no luck. 

have you got color_sketch.pde working yet - in the input-from-max example?

I had to follow a bunch of instructions to move libraries around - i put them in Applications/Cycling '74/

not /Library/Applictaion Support/Cycling '74/ since that didn;t work

first error before all that was class path not found

then maxlink needs to be found by processing (that's in the processing libraries file somewhere)

but color-sketch is changing the colors now.

although I am using processing 0125, it didn't work with newer processing (am not that familiar with processing though...)

to do new processing - put maxlink folder inside

i needed to change "framerate" to "frameRate" - it sent a message about changes to libraries.

I am using MAX 5 and all those examples are working perfectly fine.

I also made connection not only to processing but processing sketches through eclipse and that is java. The reason why I am doing this is because I want to establish database connection which I have already done.

I tried through maxlinks inlet function but no luck. You would know that example of maxlink color_picker? it does somewhat similar to what I am trying to do but rather than directly changing the background I want to manipulate the number of images through slider.

I also made connection not only to processing but processing sketches through eclipse and that is java. The reason why I am doing this is because I want to establish database connection which I have already done. 

okay, so you're sending data from max. then it is received - in processing - via the

MaxLink link = new MaxLink(this,"color_sketch");

println("my variable is now "+my_variable);

declare variable public:
//START
import maxlink.*;

// these must be public
public float my_variable;

void setup() {
link.declareInlet("my_variable");
}

println("my variable is now "+my_variable);
}

that should be printing out the value as you move the slider/float box from Max

Ya, thats a good way to cross-check. Will try out.

Yes it is showing the values which I wanted to see but its not giving me the visual output. It works through java interface though.

So I take it you're changing your code. Maybe run through the problem in more detail? You used to have program running in Processing and that somehow controls another program. When you say `in Eclipse' - what exactly is happening there? I would have thought that if a program in processing had a variable e.g. size, and you send a change to it from Max, then that would be the same as changing it from within processing or whatever.

It does not matter once everything is set right inside eclipse, its processing library afterall.

public class TouchScreen1 extends PApplet {

    private float clSliderValue = 10;

    private float shSliderValue = 10;

    //private Discs discs = new Discs(this);

    MaxLink link = new MaxLink(this,"TouchScreen1");

    public TouchScreen1(BigScreenAnimation bsa) {

         size(TouchScreen1Frame.swidth, TouchScreen1Frame.sheight);

         controlP5 = new ControlP5(this);

         // Name of the controlling UI, minimum value, maximum value, default value

         // X & Y co-ordinate, Height & Width, Background, Foreground, onUIActive color, default color value and Mode.

         Slider speedSlider = controlP5.addSlider("Speed",0, 5, spSliderValue, 80, TouchScreen1Frame.sheight-50, 100, 14);

         speedSlider.setSliderMode(Slider.FLEXIBLE); // to change the mode of slider, replace FIX by FLEXIBLE and see the change

         speedSlider.setColorBackground(0xC0C0C0); 

         speedSlider.setColorForeground(250);

         speedSlider.setColorActive(25);

         speedSlider.setColorValue(0);

         Slider shapeSlider = controlP5.addSlider("Shape",0, 5, spSliderValue, 80, TouchScreen1Frame.sheight-100, 100, 14);

         Knob colorSlider = controlP5.addKnob("Color",0, 360, clSliderValue, TouchScreen1Frame.swidth-150, TouchScreen1Frame.sheight-80, 40);

         colorSlider.setColorBackground(0xC0C0C0); 

         colorSlider.setColorForeground(250);

         colorSlider.setColorActive(25);

         colorSlider.setColorValue(0);

         bsa.setSpeed(spSliderValue);

         bsa.setColor(clSliderValue);

         bsa.imgList = dao.getImageList(spSliderValue, clSliderValue);

         link.declareInlet("spSliderValue");

         System.out.println("Speed Value is "+spSliderValue);

         colorMode(HSB, 360, 100, 100);

         fill(clSliderValue, 50, 50);

         ellipse(TouchScreen1Frame.swidth-130, TouchScreen1Frame.sheight-60, 40,40);

         rect(80, TouchScreen1Frame.sheight-50, 100,14);

        //only change on bigscreen on mouse release and if variables changed

        if (spSliderValue != bsa.speedX || clSliderValue != bsa.puffcolor ) {

            bsa.setSpeed(spSliderValue);

            bsa.setColor(clSliderValue);

            //get images from database and update images on bigscreen

            bsa.imgList = dao.getImageList(spSliderValue, clSliderValue);

    public void Speed(float sliderinput) {

    public void Color(float sliderinput) {

        clSliderValue = sliderinput;

    public void Shape(float sliderinput) {

        shSliderValue = sliderinput;

There is one more java file called big screen animation. So now imagine that I am able to change database stuff as well as visuals from touchscreen to bigscreen animation file. Also I am able to change background color of bigscreen animation from color picker.maxpat. Have a look at maxpat. I am quite new to max , I dont know if any further changes are required in max side. I have uploaded the file.

It does not matter once everything is set right inside eclipse, its processing library afterall. 

import java.awt.*;
import java.util.LinkedList;
import maxlink.*;
import javax.swing.JFrame;

import processing.core.*;
import controlP5.*;

public class TouchScreen1 extends PApplet {
	ControlP5 controlP5;

	public float spSliderValue = 5;
	private float clSliderValue = 10;
	private float shSliderValue = 10;

	private int dim = 250;
	private int num = 42;
	private int time = 0;
	float fx;
    float fy;
    float x;
    float y;
    float r;
    int bt;
    int i;
	// object array

	//database connection
	private DAO dao = new DAO();
	private BigScreenAnimation bsa;
	//private Discs discs = new Discs(this);
	MaxLink link = new MaxLink(this,"TouchScreen1");
	public TouchScreen1(BigScreenAnimation bsa) {
		this.bsa = bsa;
	}

	public void setup() {
		  background(0);
		  size(TouchScreen1Frame.swidth, TouchScreen1Frame.sheight);
		  controlP5 = new ControlP5(this);
		  // Name of the controlling UI, minimum value, maximum value, default value
		  // X & Y co-ordinate, Height & Width, Background, Foreground, onUIActive color, default color value and Mode.
		  Slider speedSlider = controlP5.addSlider("Speed",0, 5, spSliderValue, 80, TouchScreen1Frame.sheight-50, 100, 14);
		  speedSlider.setSliderMode(Slider.FLEXIBLE); // to change the mode of slider, replace FIX by FLEXIBLE and see the change

		  speedSlider.setColorBackground(0xC0C0C0); 
		  speedSlider.setColorForeground(250);
		  speedSlider.setColorActive(25);
		  speedSlider.setColorValue(0);
		  speedSlider.update();
		  noStroke();

		  Slider shapeSlider = controlP5.addSlider("Shape",0, 5, spSliderValue, 80, TouchScreen1Frame.sheight-100, 100, 14);
		  noStroke();

		  Knob colorSlider = controlP5.addKnob("Color",0, 360, clSliderValue, TouchScreen1Frame.swidth-150, TouchScreen1Frame.sheight-80, 40);

		  colorSlider.setColorBackground(0xC0C0C0); 
		  colorSlider.setColorForeground(250);
		  colorSlider.setColorActive(25);
		  colorSlider.setColorValue(0);
		  colorSlider.update();

		  noStroke();
		  bsa.setSpeed(spSliderValue);
		  bsa.setColor(clSliderValue);

		  //get images
		  bsa.imgList = dao.getImageList(spSliderValue, clSliderValue);
		  link.declareInlet("spSliderValue");

	public void draw() {
		background(0);
		  // draw discs
		 //discs.draw();
		  System.out.println("Speed Value is "+spSliderValue);
		  colorMode(HSB, 360, 100, 100);
		  fill(clSliderValue, 50, 50);
		  ellipse(TouchScreen1Frame.swidth-130, TouchScreen1Frame.sheight-60, 40,40);
		  colorMode(HSB, 360, 100, 100);
		  fill(clSliderValue, 50, 50);
		  rect(80, TouchScreen1Frame.sheight-50, 100,14);
	}

	public void mouseReleased() {
		//only change on bigscreen on mouse release and if variables changed
		if (spSliderValue != bsa.speedX || clSliderValue != bsa.puffcolor ) {
			bsa.setSpeed(spSliderValue);
			bsa.setColor(clSliderValue);

			//get images from database and update images on bigscreen
			bsa.imgList = dao.getImageList(spSliderValue, clSliderValue);
		}
	}

	public void Speed(float sliderinput) {
	  //event
	  spSliderValue = sliderinput;
	}

	public void Color(float sliderinput) {
		//event
		//color HSB mode
		clSliderValue = sliderinput;
	}

	public void Shape(float sliderinput) {
		//event
		shSliderValue = sliderinput;
	}
}

There is one more java file called big screen animation. So now imagine that I am able to change database stuff as well as visuals from touchscreen to bigscreen animation file. Also I am able to change background color of bigscreen animation from color picker.maxpat. Have a look at maxpat. I am quite new to max , I dont know if any further changes are required in max side. I have uploaded the file. 

Problem solved, I declare one more thing called 'link.declareMaxFunction("mouseReleased"); just under link.declareintlet(...)

and on max side I connected message box to touchscreen1 and also output of slider going to both touchscree1 and bigscreenanimation. It works.

This is how it works. I have to first set the slider value and in the database I have setup end and start value for which the image corresponds. After setting the slider value and then clicking over the mouseReleased message it shows me that image

Problem solved, I declare one more thing called 'link.declareMaxFunction("mouseReleased"); just under link.declareintlet(...) 

and on max side I connected message box to touchscreen1 and also output of slider going to both touchscree1 and bigscreenanimation. It works. 

This is how it works. I have to first set the slider value and in the database I have setup end and start value for which the image corresponds. After setting the slider value and then clicking over the mouseReleased message it shows me that image  

I gather that there's a processing within eclipse page on the processing site. I'm intruiged as to how that works and may look into it later. Hope it all goes well with the max-processing-java link

Yes if there are requests then I can put documentation in this thread. Connecting MAX to java through processing max link. The wonderful part is once you are connected to java you have so much power in your hands. I even got rid of declareMaxFunction("mouseReleased"), now I can just slide to browse through database images through MAX interface and tweaking interface on the MAX side is so fast and saves lots of time and looks good.

It would be good to hear/see more of what you're up to. Possibly a short youtube video would be cool? Is it complex the link through to Eclipse. Also, is Eclipse the environment in which you run the Java programs? They could run as standalone too? And how is processing involved?

Still, I don't want to take up your time if you're working on the project. Best of luck with it.

It would be good to hear/see more of what you're up to. Possibly a short youtube video would be cool? Is it complex the link through to Eclipse. Also, is Eclipse the environment in which you run the Java programs? They could run as standalone too? And how is processing involved?
Still, I don't want to take up your time if you're working on the project. Best of luck with it.

Yep, I am working with a project and unfortunately I cannot reveal it as it is under NDA before the end of april.

Would love to create one video and explain things.

Yep, I am working with a project and unfortunately I cannot reveal it as it is under NDA before the end of april. 

Would love to create one video and explain things. 

how about the Max -> Processing -> Eclipse set-up.

Does that work fairly simply? Do you need that as you're using multiple classes in Eclipse?

Its pretty for those who are familiar with eclipse and java. As you already know there is a page which tells you how to setup processing with eclipse and its the same way maxlink works. Basically need to know how to build path, thats all.