Line Graph Drawing

Hi i have developed a class for the information manipulation of a Line graph
I would Like some help in actually drawing the graph so i can pass values
manipulated here to the drawing of the graph any help is greatly appreciated thank you
package ICUv2;
import java.awt.Point;
import java.util.Random;
public class ecgSensor extends Paitent {
    private int x;
    private int y;
    private int xpos;
    private int ypos;
    private int min;
    private int max;
    private Point rate;
     public ecgSensor(int x, int y, int min, int max, int xpos, int ypos ){
    setX(x);
    setY(y);
    setMin(min);
    setMax(max);
    setRate(getXpos() , getYpos());
    public ecgSensor(int x, int y, int min, int max ){
    this(x,y,min,max,0,0);
    setX(x);
    setY(y);
    setMin(min);
    setMax(max);
    public ecgSensor(){
    this(5, 5, 50, 100);
    @Override
    public String toString(){
    return String.format("%s :%s", getX(), getY());
    public static void main (String[] args){
    ecgSensor a = new ecgSensor() ;
    System.out.print(a.toString());
    //System.out.print(a.getX());
    //System.out.print("  ");
    //System.out.print(a.getY());
    public Point getRate(){
    return rate;
    public void setRate(int x, int y){
    this.rate = new Point (x, y);
    public int getX(){
    return x;
    public int getY(){
    return y;
    public void setX(int x){
    this.x = x;
    public void setY(int y){
    this.y = y;
    public  int getMin(){
    return min ;
    public  int getMax(){
    return max;
    public  void setMin(int min){
    this.min = min;
    public  void setMax(int max){
    this.max = max;
    public int getXpos(){
    return xpos;
    public int getYpos(){
    return ypos;
    public void setXpos(int xpos){
    this.xpos = xpos;
    public void setYpos(int ypos){
    this.ypos = ypos;
    public int incYpos(){
    return this.ypos;
    public void setincYpos(int inc){
    setYpos(getYpos()-inc);
    public int decYpos(){
    return this.ypos;
    public void setdecYpos(int dec){
    setYpos(getYpos()+ dec);
    public class ecgReadings implements Runnable {
    Random ecgr = new Random();
    int Change = ecgr.nextInt(20);
    public void run(){
        this.toString();
        while (true) {
              if (x%2==0){
                setXpos(getXpos()+ 10);
                setdecYpos(Change);
                }else{
                setXpos(getXpos()+ 10);
                setincYpos(Change);
       try{
         Thread.sleep(1000);
         }catch(InterruptedException e){}
       }// end of while
    }// end of run method
}// end of  ReviseBloodrate class
}

xiaolixx wrote:
Hi i have developed a class for the information manipulation of a Line graph
I would Like some help in actually drawing the graph so i can pass values
manipulated here to the drawing of the graph ..Right. Did you have a question, or did you think your plaintiff cry for help would get someone to do it all for you?
..any help is greatly appreciated thank you
package ICUv2;
By convention, package names are alllowercase (It's funny you should rediscover your shift key, just for some package name where it is inappropriate!). Class names should be EachWordUpperCase, while attributes and methods should be firstWordLowerCaseAllTheRestUpper.
By using the common conventions for code, you help to communicate the problem to others who are used to seeing that nomenclature.
And as I said before.. "For better help sooner, post an SSCCE".

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  • Line Graph will be broken on the different lines issue

    Hi, While I create a line graph which Horizontal Axis is date, if just has one line then the line is a continuous line from start date to end date,
    but if have more than 2 lines and if these lines do not have values on one same date then these lines will be broken
    my question is does this correct ? Our requirement is that these lines should be continuous, can the line graph do that ?

    Your post is unclear, but I think you want to do the following:
    Acquire 2D intensity data from a CCD array and plot it on an intensity graph
    Draw two lines to delineate an area of interest
    Integrate the values of the CCD between these two lines
    This is relatively straightforward, but you will need a more complex architecture than the one you currently have.  You will need to use the event structure and probably should have a task handling loop, as well.  This architecture is known by several things, but "event-driven state machine" is probably the most common.  Search these forums for that phrase and you will get lots of information.
    For your particular problem:
    In your event structure, you will need events to handle drawing the line (could be mouse or button/parameter driven, or both), events to calculate the integral, and the usual start/stop/data acquisition things.  Note that all these events should only generate commands for your command processor/state machine to handle.  These will be send via queue.
    In your queue-driven state machine / task handler, you will need a shift register to hold such variables as the line data (both of them), local copy of the intensity graph data, etc.
    The different frames of the case statement (or dynamically dispatched VIs if you go the object oriented route) do the actual work.
    You should learn about the event structure and queue driven state machines before starting this.  Start with the LabVIEW help, then search these forums for additional info.  For example, I believe altenbach posted a demo awhile back of the event structure in which he drew a polygonal line.
    Good luck.  Let us know if you need more info.
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