I am using Java 2D API to implement Graph plotting. I am able to transform and scale the origin upright.
Now, I need to divide the x & y axes with frequencies (Ex: On Y-axis: 0 10 20 30 40 etc ..) and then plot points (Ex: [34, 54] etc) accordingly.
Which methods to use or way out to make this implementation?
What are the different options available to plot graphs in Java other than JFreechart API?
View Replies View RelatedI want to print a table (array) where I have an X axis and a Y axis. 16x11. My code is as follows:
int Windchill [] [] = new int [16][11];
{
{60, 55, 50, 45, 40, 35, 30, 25, 20, 15, 10, 5, 0, -5, -10, -15} //X
{0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50} //Y
};
The code doesn't work even though it's similar to
int Windchill [][] =
{
{60, 55, 50, 45, 40, 35, 30, 25, 20, 15, 10, 5, 0, -5, -10, -15}, //X
{0, 5, 10, 15, 20, 25, 30, 35, 40, 45, 50}, //Y
};
if I remember correctly, the 2 are correct just written in different ways.
and I want it to print like this
{60, 55, 50, 45, 40, 35, 30, 25, 20, 15, 10, 5, 0, -5, -10, -15},
{ 0, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0,
5, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0,
10, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0,
15, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0,
20, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0,
25, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0,
30, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0,
35, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0,
40, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0,
45, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0,
50, 0, 0, 0, 0, 0, 0, 0 , 0, 0, 0, 0, 0, 0, 0, 0,}
where 0 is null (for now). I want to fill those in with a formula later, but I don't hardcoding them one by one is the most "efficient" way to do it
I want to plot a scatter diagram and I need to do this as soon as possible.
The graph is to make use of JComponent only.
The diagram title should show the Title: Graph of y on x
The scattergram should show points (x,y) of Npoints.
The diagram should calculate and draw a "line of best fit" for the data.
The diagram should also state the equation for the line of best fit.
I have installed eclipse and is it possible to get a code to run this?
I want to plot an administrative chart(flow chart of an organization) and I truly do not not know how to start.
* Collect data from database
* use jgraph or any other api to create the flow chart.
here is code :
public final static void main(String[] args){
double d = 10.0 / -0;
if(d == Double.POSITIVE_INFINITY)
System.out.println("Positive infinity");
else
System.out.println("Negative infinity");
}
now ideally this might throw Arithmetic Exception.. but it prints positive infinity ,.. why.. ??
I believe i need Divide and Conquer method, maybe im wong..
I have to solve this:
x2+s(x)+200·x=N
N is given by the user, also A and B, which is the range of X.
but the range can be up to 1,000,000,000
I made a calculator that does the basic operations but I want to be able to divide more than two numbers by repeatedly entering values using an arraylist and I keep getting the indexoutofboundsexception and I don't know why? I understand the reason behind the outofboundsexception but I can't figure out why in this case. Here is a snippet:
public Double division(ArrayList<Double> list){
Double dnum = 0.0;
Double divide = numList.get(0); // Initialize divide to first element in the arraylist
for(int i=0; i < numList.size(); i++){
[Code] ....
I was given an algorithm to implement and i did it in java. its some divide and conquer algorithm probably some comparison sort..heres the code i wrote...
import java.util.*;//so as to get the functions for using arrays
public class main
{
public static void main(String[] args)
{
int m[]={10,2,3,4,5,6,7,8,9,1};
int result[]=new int[200];
[Code] ....
the program compiles without errors. but while running i get the following errors:
java.lang.ArrayIndexOutOfBoundsException: 10
at main.abc(main.java:28)
at main.main(main.java:8)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
at java.lang.reflect.Method.invoke(Unknown Source)
at edu.rice.cs.drjava.model.compiler.JavacCompiler.runCommand(JavacCompiler.java:272)
public static void main (String [] args) {
int a = (int) 0.25;
int b = (int) 1.25;
int result = a + b;
System.out.println("Result of addition is "+ result);
}
}
Divide an Array in two Parts in such a way so that sum will be equal while we add all the elements of array.
View Replies View RelatedI have to divide a text file into blocks of 128 bits. I think i must use the ByteArrayInputStream and ByteArrayOutputStream classes. is there any website showing how to user these two ByteArrayInputStream and ByteArrayOutputStream classes in detail. or it would be much better if you could show me a portion of the code.
View Replies View RelatedI just have one problem with a "car" program in java. The objective is to move the car in the direction it is facing. Moving forward in the normal position (when the angle is zero) means moving in the x-axis. Choosing to turn the car function (for example: 90 ) and then using the forward function should move up or down the car in the y-axis. However the y-axis is not working.
Car2 Demo.rar
JPGMoveforwardfunction.jpg
I have made a "Pong" game and how to check if the ball has hit the top or the bottom of a paddle, however I do know how to check if it has hit the left or right side:
Java Code:
if((BALL.getX() >= LEFT_BAT.getX() && BALL.getX() <= LEFT_BAT.getX() + LEFT_BAT.getWidth()
&& BALL.getY() >= LEFT_BAT.getY() && BALL.getY() <= LEFT_BAT.getY() + LEFT_BAT.getHeight())
&& (BALL.getX() >= RIGHT_BAT.getX() && BALL.getX() <= RIGHT_BAT.getX() + RIGHT_BAT.getWidth()
&& BALL.getY() >= RIGHT_BAT.getY() && BALL.getY() <= RIGHT_BAT.getY() + RIGHT_BAT.getHeight())){
BALL.increaseDX();
BALL.setDX(-BALL.getDX());
} mh_sh_highlight_all('java');
It seems as though I would use the same code for checking the top or bottom.
I'm struggling to change the colour of the X and Y axis. I can change the colour of the ticks and the tick labels in CSS... But not the axis themselves.
View Replies View RelatedI have a UI widget, like a table view for example, displaying real-time data. This table can be configured - so it has many properties. The way I would like to do so, is to have a small 'configure button', once clicked, would rotate the entire table along its y axis, and display another panel with checkboxes etc... So effectively, the hidden properties panel is revealed by rotation.
View Replies View Relatedif I move object A to one area of the screen I want object B to to move to object A's location but I also want object B to move at a fixed speed (movement variable). How do I go about doing this? Both the x and y coordinates of object B would need to know the coordinates of object A to calculate the distance between the two and to determine how much of which axis to increment/decrement (if that makes sense?) with the inclusion of the speed variable.In other words I'm just trying to create a homing object.
View Replies View RelatedCurrently, I am trying to create a program that draws a square anywhere in a 15x15 Quadrant I (Coordinate plane) grid. I am stuck on trying to get the axes displaying correctly. This is the code I have thus far:
import java.util.Scanner;
public class Question2square {
public static void main(String[] args) {
// Axis variables
int yAxismin = 0;
int yAxismax = 15;
[Code] ....
Unfortunately, instead of drawing the 'L' shaped axes I desire, it displays an 'r' shape instead. I'm trying to figure out how to display the axis properly. I tried flipping the for loops but that didn't work. I don't see what else could be inhibiting this.
I am running into some trouble with Line-Plane intersection, my method works, provided I am perpendicular to the plane I want to intersect. This is caused be the plane equation (with my given x, y, and z coordinates, the equation is -Z - 1 = 0). So the equation is only relying on the Z value of anything inputted. Is there another way to calculate the equation of a plane that would rely on all axis? Here is my current code:
Java Code:
Vector3f A = new Vector3f(0, 0, -1);
Vector3f B = new Vector3f(0, 1, -1);
Vector3f C = new Vector3f(1, 1, -1);
Vector3f v1 = new Vector3f(B.x - A.x, B.y - A.y, B.z - A.z);
Vector3f v2 = new Vector3f(C.x - A.x, C.y - A.y, C.z - A.z);
float[] i = new float[]{v1.x, v2.x};
float[] j = new float[]{v1.y, v2.y};
float[] k = new float[]{v1.z, v2.z};
[Code] ....
Basically I'm looking for a way to make one object follow another. For example, if I move object A to one area of the screen I want object B to to move to object A's location but I also want object B to move at a fixed speed (movement variable). How do I go about doing this?
Both the x and y coordinates of object B would need to know the coordinates of object A to calculate the distance between the two and to determine how much of which axis to increment/decrement (if that makes sense?) with the inclusion of the speed variable. In other words I'm just trying to create a homing object.
Currently I try to integrate a JavaFX BarChart into my existing Java application. Therefore I need a BufferedImage of my BarChart, so that I can render that snapshot on a Graphics instance.
I adapted the existing BarChartSample.java (Chart Sample | JavaFX Tutorials and Documentation) and removed all animations. The code itselfs works fine but I identified one problem -> my TickLabels are missing
The TickLabels are visible If I use JDK 1.7u51 but if I change to JDK 1.8u05.... than the stlye of my BarChart will be changed and my tick labels are not visible.
Did I missed something or is that a bug?
using JDK 1.7u51
[URL] .....
using JDK 1.8u05
[URL] .....
My adapted code is the following:
package barchartsample;
import java.awt.Graphics;
import java.awt.image.BufferedImage;
import java.util.concurrent.Callable;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.FutureTask;
[Code] .....
I am new to java. I wana create a java program that can plot a graph for that I've already written this:
/ x axis would be the ,,elemszam" from 0 to 599;
y axis would be ,,resz_xy"
double sum_xy=0;
double g=10000.0;
double z_xy;
double xy=0;
[Code]...
--- Update ---
Actually i'm using netbeans...
--- Update ---
and the datas are coming from a text file...
I have this code for reading a text file and printing out information about the graph, the program works perfectly but I need to figure out the in degree and out degree of the graph if it is an directed graph. So my question is how would I go about implementing that? I know what in degree and out degree does but in terms of the code I'm not so sure, so I'm thinking if the case of vertex 0,1 the first vertex comes before the second vertex so that would in an in degree right? But how would I do that?
graphs.txt
6,1
0,2 0,4 1,4 1,5 2,1 2,3 2,5 3,2 3,4 4,1 4,5 5,1 5,3 5,2
import java.io.File;
import java.util.Scanner;
public class Vertices {
public static void main(String[] args) throws Exception {
@SuppressWarnings("resource")
[Code] ....
I need to generate a bar chart given the data that is in main. The relative performance of each sorting algorithm with respect to time, number of comparisons, and number of swaps for each data set (e.g., 50,000 –400,000 random integers). Each algorithm will have 5 bars corresponding to the 5 data sets. The height of these bars will depend on the performance of the algorithm for that data set.
I know how to write a bar with normal values like integers but for this I'm not sure because the values for instance comparisons and swaps are not given they are calculated. I just need to know what steps to go about doing that, you can even express them in pseudocode or even just explaining it I don't need the code, I think. Here is the main
public class Main {
public static void main(String[] args){
int t= 50000;
int t2=100000;
int t3=200000;
int t4=300000;
int t5=400000;
[Code] .....
I'm trying to read a text file of a graph and print information about the graph including the order and size of the graph, rather it is a directed or undirected graph, if it is directed the in and out degree, and the and a list of all vertices for which it is adjacent. The problem is the adjacency list is just printing out the list of vertices instead of the adjacency list. Is there something in my code that is problematic? Also I'm unsure of how to go about the in and out degree
"graphs.txt"
6,1
0,2 0,4 1,4 1,5 2,1 2,3 2,5 3,2 3,4 4,1 4,5 5,1 5,3 5,2
import java.io.File;
import java.io.FileNotFoundException;
import java.util.Scanner;
public class AdjList {
private Node first; // beginning of list
[Code
I am taking an algorithm class and i am having some problems trying to get this program to work.The file name is Graph.java
package graphs;
import java.util.HashSet;
import java.util.ArrayList;
public abstract class Graph
[code]....