Labels & CR2008
I've seen this issue already some times on the forum but like to try to get a solution or clear message that it doesn't work at all...
Here's the situation:
In CR2008 SP3.5 I've created a label with the size 10 x 8.5. The orientation is automatically changed to landscape while it should be portrait. Changing anything in the printer driver settings doesn't do anything - which is normal because CR overwrites all settings. The result is in fact that the label is printed 90° rotated.
I've tried this with different printers/drivers and always get the same problem.
Besides this we also would like to set other printersettings like speed, darkness, sensor type, ... for the label printer. I was wondering if these settings should/could also be stored in the CR report itself.
Anyone has any (positive) experiences with this ?
Dissociate is a must.
As for printer configuration Cr doesn't keep track of all of the settings. You have to manage that part of it yourself. A read me with how to configure their printers to work is about all you can do.
If you have a Developer available all of this could be configured at runtime.
As for CR keeping track of all of the "customer" printer options add your Enhancement request to Idea Place. If it gets enough votes the Product Managers will seriously look at adding the functionality/feature to a future release.
Thank you
Don
Similar Messages
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CR2008 SP5 Labels not printing correctly
Hi,
I've got an issue were labels are not printing correctly to a Zebra printer. I'm using Crystal Reports 2008 SP5. The problem is the width is 10cm and the length is 7.5cm but Crystal is automatically changing this to landscape orientation which doesn't print correctly then. From reading older threads, a lot of people have had similar issue but according to this thread - CR 2008 V 12.3.0.601 Labels will not print correctly the issue should be resolved in SP5 but it's still not printing out in the correct orientation despite the print preview looking perfect.
I've tried checking the No Printer option and the Dissociate Formatting Page Size and Printer Paper Size option and pretty much every other option I've seen mentioned but I still cannot get the label to print in the correct orientation. Has anyone succesfully got this working?
ThanksHi Gary
What is the version reported when in the designer you go to the Help menu and then About... ?
- Ludek
Senior Support Engineer AGS Product Support, Global Support Center Canada
Follow us on Twitter -
CR VS 2005 - How to change series label text?
Hi...
I got this problem while creating a chart in Crystal Report, hope someone can help me
I'm using Crystal Report for Visual Studio 2005 and the type of the chart is 3D Riser.
I would like to change the series axis (Y) label but it appears that its using the object name and I can't find anyway how to change it in designer.
The only solution that I can find is change it in preview but I can't get it edited while in preview mode.
Thanks before...
Regards,
MarryObtain Crystal Reports 2008 and test the report design there. The Stand-alone versions of CR are way more featured, particularly when it comes to charts. Get the report working in the CR2008 designer 1st, then see how it behaves at runtime. An eval of CR2008 can be downloaded from here:
http://www.sap.com/australia/solutions/sap-business-objects/sme/freetrials/previous-versions/index.epx
Report design questions should be posted to the SAP Crystal Reports Design forum.
- Ludek
Follow us on Twitter
Got Enhancement ideas? Try the SAP Idea Place
Share Your Knowledge in SCN Topic Spaces -
I have a report with one group(CR2008 with .NET). That group has a customized group name field, and the group name is a formula. When I display the group name in the data section of the report, it displays according to the formula.
I now need to chart two pieces of data - Primary # of Sales and Secondary # of Sales - for that group so I can compare the two # of sales. If I make a chart for the Primary # of Sales, and go to the group tab in the Chart Expert and specify "on change of Group By Value (my grouping), show the sum of the Primary # of Sales", the chart displays as desired, and I see the custom group name (formula) as the X axis label.
But if I go to the Advanced Layout on the Data tab of the Chart expert and specify the Sum of Primary # of Sales AND Sum of Secondary # of Sales in the Show Values section, the X axis label no longer shows the custom group name; it shows the group value.
Any ideas for how to get it to show the custom group name when I chart two fields of data?
Also how to change the x axis orientation to vertical so that morei get space for labels.
Thanks in advance!Please re-post if this is still an issue or purchase a case and have a dedicated support engineer work with you directly:
http://store.businessobjects.com/store/bobjamer/DisplayProductByTypePage&parentCategoryID=&categoryID=11522300?resid=-Z5tUwoHAiwAAA8@NLgAAAAS&rests=1254701640551 -
CR2008 . Net App - Parameters and Parameter Panel Not working
Post Author: cehowski
CA Forum: Crystal Reports
I have a CR2008 report with one parameter, which works fine when running it in CR2008. I have an app developed in VS2005 (which should have been updated when I installed Crystal and re-built the app). The new "Sort Labels" work fine, so the Viewer should be OK (the right version). When I open the report in the app, the parameter does not modify the report in anyway, whether a new value is added when it first opens, or I try to change the value using the Parameter panel after it is opened. I've tried Saving with and without data, discarding saved data on refresh, and one or two other properties that seemed like they might have an effect. None of them did. Everything works fine within CR2008 - it is only in VS2005, using the Version 12 viewer, that the parameter does not work (all records are returned by the way).
Any ideas will be appreciated.
JohnCarolyn,
Firewall is off. No antivirus. Switching Little snitch on an off makes no difference.
Just tried ot connect to the App Store again, and it says no connection, connect anyway.....I click connect, and the entire window flashes balck and white and I can see data traffic to and from the app via little snitch.....the black screen is it trying to load the page but not getting through.
Strange.
Dominic -
Production labels, Need to flag record when successfully printed.
Hello,
I am using CR2008 and I design a production label, this label goes to the floor to be made. My problem is that, there are orders entered all day long and labels need to be printed twice a day. When the query updates, it pulls the info of all day and the person printing labels cannot identify what has printed. I need to be able to flag or update a field in a table when label successfully prints.
I would greatly appreciate your help.
Thank You,
JoseJose,
As long as you have UPDATE permissions in the database (or whomever would be running the report), you can use a Command to do this.
It could look something like this...
CREATE TABLE #Temp (OrderID INT)
INSERT INTO #Temp(OrderID)
SELECT OrderID FROM TableName WHERE Fields = Report Criteria
UPDATE TableName SET PrintedFlag = 1
WHERE OrderID IN (SELECT OrderID FROM #Temp)
SELECT
Fields For Report
FROM TableName
WHERE OrderID IN (SELECT OrderID FROM #Temp)
but unless you are comfortable writing SQL you should stay away from UPDATE, INSERT & DELETE statements... Actually anything other than a SELECT statement can damage your database if you don't know what you are doing.
If you have access to a DBA, let them know what you are trying to do. Writing the necessary SQL should be piece of cake for someone who knows SQL.
HTH,
Jason -
NEED HELP IN LABELLING A TRIANGLE _ VERTICES
PLEASE HELP ______
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
import java.lang.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import java.awt.FileDialog;
import java.io.*;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import javax.swing.JFrame;
public class Geometry {
CardLayout cards;
JPanel panel;
public Geometry() {
cards = new CardLayout();
panel = new JPanel(cards);
addCards();
JFrame f = new JFrame("Geometry");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setJMenuBar(getMenuBar());
f.getContentPane().add(panel);
f.setSize(500,500);
f.setLocation(0,0);
f.setVisible(true);
f.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Draggg: x=" + e.getX() + "; y=" + e.getY());
// public void mouseMoved(MouseEvent me) {
// System.out.println("Moving: x=" + me.getX() + "; y=" + me.getY());
// panel.addMouseMotionListener(
// new MouseMotionListener() { //anonymous inner class
// //handle mouse drag event
// public void mouseDragged(MouseEvent me) {
// setTitle("Dragging: x=" + me.getX() + "; y=" + me.getY());
// public void mouseMoved(MouseEvent me) {
// setTitle("Moving: x=" + me.getX() + "; y=" + me.getY());
private void addCards() {
// card one
TriangleModel tri = new TriangleModel(175,100,175,250,325,250);
TriangleView view = new TriangleView(tri);
JPanel panelOne = new JPanel(new BorderLayout());
panelOne.add(view.getUIPanel(), "North");
panelOne.add(view);
panelOne.add(view.getTablePanel(), "South");
panelOne.setName("Pythagoras's Theorem");
panel.add("Pythagoras's Theorem", panelOne);
view.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse at " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Dragging: x=" + e.getX() + "; y=" + e.getY());
// card two
TestModel trin = new TestModel(175,100,175,250,325,250);
TestView viewn = new TestView(trin);
JPanel panelTwo = new JPanel(new BorderLayout());
panelTwo.add(viewn.getUIPanel(), "North");
// panelTwo.setBackground(Color.blue);
panelTwo.setName("Similar Triangles");
panelTwo.add(viewn);
panelTwo.add(viewn.getTablePanel(), "South");
viewn.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse at " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Dragging: x=" + e.getX() + "; y=" + e.getY());
panel.add("Similar Triangles", panelTwo);
JPanel panelThree = new JPanel();
panelThree.setBackground(Color.white);
panelThree.setName("Circle Theorem1");
panel.add("Circle Theorem1", panelThree);
private JMenuBar getMenuBar() {
JMenu File = new JMenu("File");
JSeparator separator1 = new JSeparator();
JMenuItem Open = new JMenuItem("Open");
// Open.addActionListener(new java.awt.event.ActionListener() {
// public void actionPerformed(java.awt.event.ActionEvent evt) {
// openActionPerformed(evt);
JMenuItem Save = new JMenuItem("Save");
JMenuItem Print = new JMenuItem("Print");
JMenuItem Exit = new JMenuItem("Exit");
Exit.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
ExitActionPerformed(evt);
JMenu theorem = new JMenu("Theorem");
ActionListener l = new ActionListener() {
public void actionPerformed(ActionEvent e) {
JMenuItem item = (JMenuItem)e.getSource();
String name = item.getActionCommand();
cards.show(panel, name);
Component[] c = panel.getComponents();
for(int j = 0; j < panel.getComponentCount(); j++) {
String name = c[j].getName();
JMenuItem item = new JMenuItem(name);
item.setActionCommand(name);
item.addActionListener(l);
theorem.add(item);
JMenuBar menuBar = new JMenuBar();
JMenuBar menuBar1 = new JMenuBar();
menuBar.add(File);
File.add(Open);
File.add(separator1);
File.add(Save);
File.add(Print);
File.add(Exit);
menuBar.add(theorem);
return menuBar;
// private void openActionPerformed(java.awt.event.ActionEvent evt) {
// FileDialog fileDialog = new FileDialog(this, "Open...", FileDialog.LOAD);
// fileDialog.show();
// if (fileDialog.getFile() == null)
// return;
// fileName = fileDialog.getDirectory() + File.separator + fileDialog.getFile();
// FileInputStream fis = null;
// String str = null;
// try {
// fis = new FileInputStream(fileName);
// int size = fis.available();
// byte[] bytes = new byte [size];
// fis.read(bytes);
// str = new String(bytes);
// } catch (IOException e) {
// } finally {
// try {
// fis.close();
// } catch (IOException e2) {
// if (str != null)
// textBox.setText(str);
private void ExitActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
System.exit(0);
public static void main(String[] args) {
new Geometry();
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
public class Triangle
public Triangle()
TriangleModel tri = new TriangleModel(175,100,175,250,325,250);
TriangleView view = new TriangleView(tri);
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.getContentPane().add(view.getUIPanel(), "North");
f.getContentPane().add(view);
f.getContentPane().add(view.getTablePanel(), "South");
f.setSize(500,500);
f.setLocation(200,200);
f.setVisible(true);
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import javax.swing.JTable;
import javax.swing.event.MouseInputAdapter;
* TriangleControl.java
* Created on 06 February 2005, 01:19
* @author Rahindra Naidoo
public class TriangleControl extends MouseInputAdapter
TriangleView view;
TriangleModel model;
Point start;
boolean dragging, altering;
Rectangle lineLens; // used for line selection
public TriangleControl(TriangleView tv)
view = tv;
model = view.getModel();
dragging = altering = false;
lineLens = new Rectangle(0, 0, 6, 6);
public void mousePressed(MouseEvent e)
Point p = e.getPoint();
lineLens.setLocation(p.x - 3, p.y - 3);
// are we over a line
if(model.isLineSelected(lineLens))
start = p;
altering = true;
// or are we within the triangle
else if(model.contains(p))
start = p;
dragging = true;
public void mouseReleased(MouseEvent e)
altering = false;
dragging = false;
view.getCentroidLabel().setText("centroid location: " +
model.findCentroid());
view.repaint(); // for the construction lines
public void mouseDragged(MouseEvent e)
Point p = e.getPoint();
if(altering)
int x = p.x - start.x;
int y = p.y - start.y;
model.moveSide(x, y, p);
updateTable();
view.repaint();
start = p;
else if(dragging)
int x = p.x - start.x;
int y = p.y - start.y;
model.translate(x, y);
view.repaint();
start = p;
private void updateTable()
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[] angles = model.getAngles();
JTable table = view.getTable();
for(int j = 0; j < angles.length; j++)
table.setValueAt(lengths[j], 1, j + 1);
table.setValueAt(squares[j], 2, j + 1);
table.setValueAt(angles[j], 3, j + 1);
view.getCentroidLabel().setText("centroid location: " +
model.findCentroid());
* TriangleModel.java
* Created on 06 February 2005, 01:18
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
* @author Rahindra Naidoo
public class TriangleModel // (x1, y1)
{ // |\
static final int SIDES = 3; // | \
private int cx, cy; // | \
Polygon triangle; // |_ _\ (x3, y3)
int selectedIndex; // (x2, y2)
NumberFormat nf;
Line2D[] medians;
Point2D centroid;
public TriangleModel(int x1, int y1, int x2, int y2, int x3, int y3)
int[] x = new int[] { x1, x2, x3 };
int[] y = new int[] { y1, y2, y3 };
triangle = new Polygon(x, y, SIDES);
nf = NumberFormat.getNumberInstance();
nf.setMaximumFractionDigits(1);
public boolean contains(Point p)
// Polygon.contains doesn't work well enough
return (new Area(triangle)).contains(p);
public boolean isLineSelected(Rectangle r)
Line2D line = new Line2D.Double();
for(int j = 0; j < SIDES; j++)
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
int x1 = x[j];
int y1 = y[j];
int x2 = x[(j + 1) % SIDES];
int y2 = y[(j + 1) % SIDES];
line.setLine(x1, y1, x2, y2);
if(line.intersects(r))
selectedIndex = j;
return true;
selectedIndex = -1;
return false;
* Only works for right triangle with right angle at (x2, y2)
public void moveSide(int dx, int dy, Point p)
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
switch(selectedIndex)
case 0:
x[0] += dx;
x[1] += dx;
break;
case 1:
y[1] += dy;
y[2] += dy;
break;
case 2:
double rise = y[2] - y[0];
double run = x[2] - x[0];
double slope = rise/run;
// rise / run == (y[2] - p.y) / (x[2] - p.x)
x[2] = p.x + (int)((y[2] - p.y) / slope);
// rise / run == (p.y - y[0]) / (p.x - x[0])
y[0] = p.y - (int)((p.x - x[0]) * slope);
public void translate(int dx, int dy)
triangle.translate(dx, dy);
public Polygon getTriangle()
return triangle;
public String findCentroid()
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
// construct the medians defined as the line from
// any vertex to the midpoint of the opposite line
medians = new Line2D[x.length];
for(int j = 0; j < x.length; j++)
int next = (j + 1) % x.length;
int last = (j + 2) % x.length;
Point2D vertex = new Point2D.Double(x[j], y[j]);
// get midpoint of line opposite vertex
double dx = ((double)x[last] - x[next])/2;
double dy = ((double)y[last] - y[next])/2;
Point2D oppLineCenter = new Point2D.Double(x[next] + dx,
y[next] + dy);
medians[j] = new Line2D.Double(vertex, oppLineCenter);
// centroid is located on any median 2/3 the way from the
// vertex (P1) to the midpoint (P2) on the opposite side
double[] lengths = getSideLengths();
double dx = (medians[0].getX2() - medians[0].getX1())*2/3;
double dy = (medians[0].getY2() - medians[0].getY1())*2/3;
double px = medians[0].getX1() + dx;
double py = medians[0].getY1() + dy;
//System.out.println("px = " + nf.format(px) +
// "\tpy = " + nf.format(py));
centroid = new Point2D.Double(px, py);
return "(" + nf.format(px) + ", " + nf.format(py) + ")";
public String[] getAngles()
double[] lengths = getSideLengths();
String[] vertices = new String[lengths.length];
for(int j = 0; j < lengths.length; j++)
int opp = (j + 1) % lengths.length;
int last = (j + 2) % lengths.length;
double top = lengths[j] * lengths[j] +
lengths[last] * lengths[last] -
lengths[opp] * lengths[opp];
double divisor = 2 * lengths[j] * lengths[last];
double vertex = Math.acos(top / divisor);
vertices[j] = nf.format(Math.toDegrees(vertex));
return vertices;
public String[] getLengths()
double[] lengths = getSideLengths();
String[] lengthStrs = new String[lengths.length];
for(int j = 0; j < lengthStrs.length; j++)
lengthStrs[j] = nf.format(lengths[j]);
return lengthStrs;
public String[] getSquares()
double[] lengths = getSideLengths();
String[] squareStrs = new String[lengths.length];
for(int j = 0; j < squareStrs.length; j++)
squareStrs[j] = nf.format(lengths[j] * lengths[j]);
return squareStrs;
private double[] getSideLengths()
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
double[] lengths = new double[SIDES];
for(int j = 0; j < SIDES; j++)
int next = (j + 1) % SIDES;
lengths[j] = Point.distance(x[j], y[j], x[next], y[next]);
return lengths;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
* TriangleView.java
* Created on 06 February 2005, 01:21
public class TriangleView extends JPanel
private TriangleModel model;
private Polygon triangle;
private JTable table;
private JLabel centroidLabel;
private boolean showConstruction;
TriangleControl control;
public TriangleView(TriangleModel model)
this.model = model;
triangle = model.getTriangle();
showConstruction = false;
control = new TriangleControl(this);
addMouseListener(control);
addMouseMotionListener(control);
public void paintComponent(Graphics g)
super.paintComponent(g);
Graphics2D g2 = (Graphics2D)g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.draw(triangle);
if(model.medians == null)
centroidLabel.setText("centroid location: " + model.findCentroid());
// draw medians and centroid point
if(showConstruction && !control.dragging)
g2.setPaint(Color.red);
for(int j = 0; j < 3; j++)
g2.draw(model.medians[j]);
g2.setPaint(Color.blue);
g2.fill(new Ellipse2D.Double(model.centroid.getX() - 2,
model.centroid.getY() - 2, 4, 4));
public TriangleModel getModel()
return model;
public JTable getTable()
return table;
public JLabel getCentroidLabel()
return centroidLabel;
public JPanel getUIPanel()
JCheckBox showCon = new JCheckBox("show construction");
showCon.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
boolean state = ((JCheckBox)e.getSource()).isSelected();
showConstruction = state;
repaint();
JPanel panel = new JPanel();
panel.add(showCon);
return panel;
public JPanel getTablePanel()
String[] headers = new String[] { "", "", "", "" };
// row and column data labels
String[] rowHeaders = {
"sides", "lengths", "squares", "angles", "degrees"
String[] sidesRow = { "vertical", "horizontal", "hypotenuse" };
String[] anglesRow = { "hyp to ver", "ver to hor", "hor to hyp" };
// collect data from model
String[] angles = model.getAngles();
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[][] allData = { sidesRow, lengths, squares, anglesRow, angles };
int rows = 5;
int cols = 4;
Object[][] data = new Object[rows][cols];
for(int row = 0; row < rows; row++)
data[row][0] = rowHeaders[row];
for(int col = 1; col < cols; col++)
data[row][col] = allData[row][col - 1];
table = new JTable(data, headers)
public boolean isCellEditable(int row, int col)
return false;
DefaultTableCellRenderer renderer =
(DefaultTableCellRenderer)table.getDefaultRenderer(String.class);
renderer.setHorizontalAlignment(JLabel.CENTER);
centroidLabel = new JLabel("centroid location: ", JLabel.CENTER);
Dimension d = centroidLabel.getPreferredSize();
d.height = table.getRowHeight();
centroidLabel.setPreferredSize(d);
JPanel panel = new JPanel(new BorderLayout());
panel.setBorder(BorderFactory.createTitledBorder("triangle data"));
panel.add(table);
panel.add(centroidLabel, "South");
return panel;
}PLEASE HELP ME TO LABEL THE TRIANGLE AND CHANGE THE VALUES OF THE JTABLE - to SHOW ASquare b Square and C square as well as a label on the bottom of the screen to show A^2 + B^2 = C^2 ...
ThANKSpublic void paintComponent(Graphics g) {
super.paintComponent(g);
Graphics2D g2 = (Graphics2D)g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.drawPolygon(triangle);
// label the triangle
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[] angles = model.getAngles();
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
for(int j = 0; j < x.length; j++) {
Point2D vertex = new Point2D.Double(x[j], y[j]);
int next = (j + 0) % x.length;
int last = (j + 1) % x.length;
double dx = ((double)x[last] - x[next])/2;
double dy = ((double)y[last] - y[next])/2;
Point2D center = new Point2D.Double(x[next] + dx, y[next] + dy);
g2.drawString(angles[j],(int)vertex.getX(),(int)vertex.getY());
g2.drawString(lengths[j],(int)center.getX(),(int)center.getY());
g2.drawString(squares[0],100, getHeight());
g2.drawString(" + "+squares[1],150, getHeight());
g2.drawString(" = "+squares[2],200, getHeight());
if(model.medians == null)
centroidLabel.setText("centroid location: " + model.findCentroid());
// draw medians and centroid point
if(showConstruction && !control.dragging) {
g2.setPaint(Color.red);
for(int j = 0; j < 3; j++)
g2.draw(model.medians[j]);
g2.setPaint(Color.blue);
g2.fill(new Ellipse2D.Double(model.centroid.getX() - 2,
model.centroid.getY() - 2, 4, 4));
} -
URGENT HELP REQUIRED _ Creating Labels for Triangle
Hi everyone... the code below is my application - Pythagoras Theorem.. or rather displaying it.. But i have not been able to get the Vertex of the triangle Labelled as A B C... I need to do that and change the Triangle Table data to A B C insted of Horizontal Vertical and Hypotenuise and as the triangle is stretched on screen A B And C keep moving as well ...
Besides i need to Show this in the tabel
- Values of A ^ 2 , B^2 and C ^2 as welll as a row showing A^2+B^2 = C^2
the code is as follows..
This is the main class called Geometry
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
import java.lang.*;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import java.awt.FileDialog;
import java.io.*;
import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.event.MouseEvent;
import java.awt.event.MouseMotionListener;
import javax.swing.JFrame;
public class Geometry {
CardLayout cards;
JPanel panel;
public Geometry() {
cards = new CardLayout();
panel = new JPanel(cards);
addCards();
JFrame f = new JFrame("Geometry");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setJMenuBar(getMenuBar());
f.getContentPane().add(panel);
f.setSize(500,500);
f.setLocation(0,0);
f.setVisible(true);
f.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Draggg: x=" + e.getX() + "; y=" + e.getY());
// public void mouseMoved(MouseEvent me) {
// System.out.println("Moving: x=" + me.getX() + "; y=" + me.getY());
// panel.addMouseMotionListener(
// new MouseMotionListener() { //anonymous inner class
// //handle mouse drag event
// public void mouseDragged(MouseEvent me) {
// setTitle("Dragging: x=" + me.getX() + "; y=" + me.getY());
// public void mouseMoved(MouseEvent me) {
// setTitle("Moving: x=" + me.getX() + "; y=" + me.getY());
private void addCards() {
// card one
TriangleModel tri = new TriangleModel(175,100,175,250,325,250);
TriangleView view = new TriangleView(tri);
JPanel panelOne = new JPanel(new BorderLayout());
panelOne.add(view.getUIPanel(), "North");
panelOne.add(view);
panelOne.add(view.getTablePanel(), "South");
panelOne.setName("Pythagoras's Theorem");
panel.add("Pythagoras's Theorem", panelOne);
view.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse at " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Dragging: x=" + e.getX() + "; y=" + e.getY());
// card two
TestModel trin = new TestModel(175,100,175,250,325,250);
TestView viewn = new TestView(trin);
JPanel panelTwo = new JPanel(new BorderLayout());
panelTwo.add(viewn.getUIPanel(), "North");
// panelTwo.setBackground(Color.blue);
panelTwo.setName("Similar Triangles");
panelTwo.add(viewn);
panelTwo.add(viewn.getTablePanel(), "South");
viewn.addMouseMotionListener(
new MouseMotionListener() { //anonymous inner class
//handle mouse drag event
public void mouseMoved(MouseEvent e) {
System.out.println("Mouse at " + e.getX() +"," + e.getY());
public void mouseDragged(MouseEvent e) {
System.out.println("Dragging: x=" + e.getX() + "; y=" + e.getY());
panel.add("Similar Triangles", panelTwo);
JPanel panelThree = new JPanel();
panelThree.setBackground(Color.white);
panelThree.setName("Circle Theorem1");
panel.add("Circle Theorem1", panelThree);
private JMenuBar getMenuBar() {
JMenu File = new JMenu("File");
JSeparator separator1 = new JSeparator();
JMenuItem Open = new JMenuItem("Open");
// Open.addActionListener(new java.awt.event.ActionListener() {
// public void actionPerformed(java.awt.event.ActionEvent evt) {
// openActionPerformed(evt);
JMenuItem Save = new JMenuItem("Save");
JMenuItem Print = new JMenuItem("Print");
JMenuItem Exit = new JMenuItem("Exit");
Exit.addActionListener(new java.awt.event.ActionListener() {
public void actionPerformed(java.awt.event.ActionEvent evt) {
ExitActionPerformed(evt);
JMenu theorem = new JMenu("Theorem");
ActionListener l = new ActionListener() {
public void actionPerformed(ActionEvent e) {
JMenuItem item = (JMenuItem)e.getSource();
String name = item.getActionCommand();
cards.show(panel, name);
Component[] c = panel.getComponents();
for(int j = 0; j < panel.getComponentCount(); j++) {
String name = c[j].getName();
JMenuItem item = new JMenuItem(name);
item.setActionCommand(name);
item.addActionListener(l);
theorem.add(item);
JMenuBar menuBar = new JMenuBar();
JMenuBar menuBar1 = new JMenuBar();
menuBar.add(File);
File.add(Open);
File.add(separator1);
File.add(Save);
File.add(Print);
File.add(Exit);
menuBar.add(theorem);
return menuBar;
// private void openActionPerformed(java.awt.event.ActionEvent evt) {
// FileDialog fileDialog = new FileDialog(this, "Open...", FileDialog.LOAD);
// fileDialog.show();
// if (fileDialog.getFile() == null)
// return;
// fileName = fileDialog.getDirectory() + File.separator + fileDialog.getFile();
// FileInputStream fis = null;
// String str = null;
// try {
// fis = new FileInputStream(fileName);
// int size = fis.available();
// byte[] bytes = new byte [size];
// fis.read(bytes);
// str = new String(bytes);
// } catch (IOException e) {
// } finally {
// try {
// fis.close();
// } catch (IOException e2) {
// if (str != null)
// textBox.setText(str);
private void ExitActionPerformed(java.awt.event.ActionEvent evt) {
// TODO add your handling code here:
System.exit(0);
public static void main(String[] args) {
new Geometry();
}import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
public class Triangle
public Triangle()
TriangleModel tri = new TriangleModel(175,100,175,250,325,250);
TriangleView view = new TriangleView(tri);
JFrame f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.getContentPane().add(view.getUIPanel(), "North");
f.getContentPane().add(view);
f.getContentPane().add(view.getTablePanel(), "South");
f.setSize(500,500);
f.setLocation(200,200);
f.setVisible(true);
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.event.MouseEvent;
import javax.swing.JTable;
import javax.swing.event.MouseInputAdapter;
* TriangleControl.java
* Created on 06 February 2005, 01:19
* @author Rahindra Naidoo
public class TriangleControl extends MouseInputAdapter
TriangleView view;
TriangleModel model;
Point start;
boolean dragging, altering;
Rectangle lineLens; // used for line selection
public TriangleControl(TriangleView tv)
view = tv;
model = view.getModel();
dragging = altering = false;
lineLens = new Rectangle(0, 0, 6, 6);
public void mousePressed(MouseEvent e)
Point p = e.getPoint();
lineLens.setLocation(p.x - 3, p.y - 3);
// are we over a line
if(model.isLineSelected(lineLens))
start = p;
altering = true;
// or are we within the triangle
else if(model.contains(p))
start = p;
dragging = true;
public void mouseReleased(MouseEvent e)
altering = false;
dragging = false;
view.getCentroidLabel().setText("centroid location: " +
model.findCentroid());
view.repaint(); // for the construction lines
public void mouseDragged(MouseEvent e)
Point p = e.getPoint();
if(altering)
int x = p.x - start.x;
int y = p.y - start.y;
model.moveSide(x, y, p);
updateTable();
view.repaint();
start = p;
else if(dragging)
int x = p.x - start.x;
int y = p.y - start.y;
model.translate(x, y);
view.repaint();
start = p;
private void updateTable()
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[] angles = model.getAngles();
JTable table = view.getTable();
for(int j = 0; j < angles.length; j++)
table.setValueAt(lengths[j], 1, j + 1);
table.setValueAt(squares[j], 2, j + 1);
table.setValueAt(angles[j], 3, j + 1);
view.getCentroidLabel().setText("centroid location: " +
model.findCentroid());
* TriangleModel.java
* Created on 06 February 2005, 01:18
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
* @author Rahindra Naidoo
public class TriangleModel // (x1, y1)
{ // |\
static final int SIDES = 3; // | \
private int cx, cy; // | \
Polygon triangle; // |_ _\ (x3, y3)
int selectedIndex; // (x2, y2)
NumberFormat nf;
Line2D[] medians;
Point2D centroid;
public TriangleModel(int x1, int y1, int x2, int y2, int x3, int y3)
int[] x = new int[] { x1, x2, x3 };
int[] y = new int[] { y1, y2, y3 };
triangle = new Polygon(x, y, SIDES);
nf = NumberFormat.getNumberInstance();
nf.setMaximumFractionDigits(1);
public boolean contains(Point p)
// Polygon.contains doesn't work well enough
return (new Area(triangle)).contains(p);
public boolean isLineSelected(Rectangle r)
Line2D line = new Line2D.Double();
for(int j = 0; j < SIDES; j++)
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
int x1 = x[j];
int y1 = y[j];
int x2 = x[(j + 1) % SIDES];
int y2 = y[(j + 1) % SIDES];
line.setLine(x1, y1, x2, y2);
if(line.intersects(r))
selectedIndex = j;
return true;
selectedIndex = -1;
return false;
* Only works for right triangle with right angle at (x2, y2)
public void moveSide(int dx, int dy, Point p)
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
switch(selectedIndex)
case 0:
x[0] += dx;
x[1] += dx;
break;
case 1:
y[1] += dy;
y[2] += dy;
break;
case 2:
double rise = y[2] - y[0];
double run = x[2] - x[0];
double slope = rise/run;
// rise / run == (y[2] - p.y) / (x[2] - p.x)
x[2] = p.x + (int)((y[2] - p.y) / slope);
// rise / run == (p.y - y[0]) / (p.x - x[0])
y[0] = p.y - (int)((p.x - x[0]) * slope);
public void translate(int dx, int dy)
triangle.translate(dx, dy);
public Polygon getTriangle()
return triangle;
public String findCentroid()
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
// construct the medians defined as the line from
// any vertex to the midpoint of the opposite line
medians = new Line2D[x.length];
for(int j = 0; j < x.length; j++)
int next = (j + 1) % x.length;
int last = (j + 2) % x.length;
Point2D vertex = new Point2D.Double(x[j], y[j]);
// get midpoint of line opposite vertex
double dx = ((double)x[last] - x[next])/2;
double dy = ((double)y[last] - y[next])/2;
Point2D oppLineCenter = new Point2D.Double(x[next] + dx,
y[next] + dy);
medians[j] = new Line2D.Double(vertex, oppLineCenter);
// centroid is located on any median 2/3 the way from the
// vertex (P1) to the midpoint (P2) on the opposite side
double[] lengths = getSideLengths();
double dx = (medians[0].getX2() - medians[0].getX1())*2/3;
double dy = (medians[0].getY2() - medians[0].getY1())*2/3;
double px = medians[0].getX1() + dx;
double py = medians[0].getY1() + dy;
//System.out.println("px = " + nf.format(px) +
// "\tpy = " + nf.format(py));
centroid = new Point2D.Double(px, py);
return "(" + nf.format(px) + ", " + nf.format(py) + ")";
public String[] getAngles()
double[] lengths = getSideLengths();
String[] vertices = new String[lengths.length];
for(int j = 0; j < lengths.length; j++)
int opp = (j + 1) % lengths.length;
int last = (j + 2) % lengths.length;
double top = lengths[j] * lengths[j] +
lengths[last] * lengths[last] -
lengths[opp] * lengths[opp];
double divisor = 2 * lengths[j] * lengths[last];
double vertex = Math.acos(top / divisor);
vertices[j] = nf.format(Math.toDegrees(vertex));
return vertices;
public String[] getLengths()
double[] lengths = getSideLengths();
String[] lengthStrs = new String[lengths.length];
for(int j = 0; j < lengthStrs.length; j++)
lengthStrs[j] = nf.format(lengths[j]);
return lengthStrs;
public String[] getSquares()
double[] lengths = getSideLengths();
String[] squareStrs = new String[lengths.length];
for(int j = 0; j < squareStrs.length; j++)
squareStrs[j] = nf.format(lengths[j] * lengths[j]);
return squareStrs;
private double[] getSideLengths()
int[] x = triangle.xpoints;
int[] y = triangle.ypoints;
double[] lengths = new double[SIDES];
for(int j = 0; j < SIDES; j++)
int next = (j + 1) % SIDES;
lengths[j] = Point.distance(x[j], y[j], x[next], y[next]);
return lengths;
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import java.text.NumberFormat;
import javax.swing.*;
import javax.swing.event.*;
import javax.swing.table.DefaultTableCellRenderer;
* TriangleView.java
* Created on 06 February 2005, 01:21
public class TriangleView extends JPanel
private TriangleModel model;
private Polygon triangle;
private JTable table;
private JLabel centroidLabel;
private boolean showConstruction;
TriangleControl control;
public TriangleView(TriangleModel model)
this.model = model;
triangle = model.getTriangle();
showConstruction = false;
control = new TriangleControl(this);
addMouseListener(control);
addMouseMotionListener(control);
public void paintComponent(Graphics g)
super.paintComponent(g);
Graphics2D g2 = (Graphics2D)g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
g2.draw(triangle);
if(model.medians == null)
centroidLabel.setText("centroid location: " + model.findCentroid());
// draw medians and centroid point
if(showConstruction && !control.dragging)
g2.setPaint(Color.red);
for(int j = 0; j < 3; j++)
g2.draw(model.medians[j]);
g2.setPaint(Color.blue);
g2.fill(new Ellipse2D.Double(model.centroid.getX() - 2,
model.centroid.getY() - 2, 4, 4));
public TriangleModel getModel()
return model;
public JTable getTable()
return table;
public JLabel getCentroidLabel()
return centroidLabel;
public JPanel getUIPanel()
JCheckBox showCon = new JCheckBox("show construction");
showCon.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
boolean state = ((JCheckBox)e.getSource()).isSelected();
showConstruction = state;
repaint();
JPanel panel = new JPanel();
panel.add(showCon);
return panel;
public JPanel getTablePanel()
String[] headers = new String[] { "", "", "", "" };
// row and column data labels
String[] rowHeaders = {
"sides", "lengths", "squares", "angles", "degrees"
String[] sidesRow = { "vertical", "horizontal", "hypotenuse" };
String[] anglesRow = { "hyp to ver", "ver to hor", "hor to hyp" };
// collect data from model
String[] angles = model.getAngles();
String[] lengths = model.getLengths();
String[] squares = model.getSquares();
String[][] allData = { sidesRow, lengths, squares, anglesRow, angles };
int rows = 5;
int cols = 4;
Object[][] data = new Object[rows][cols];
for(int row = 0; row < rows; row++)
data[row][0] = rowHeaders[row];
for(int col = 1; col < cols; col++)
data[row][col] = allData[row][col - 1];
table = new JTable(data, headers)
public boolean isCellEditable(int row, int col)
return false;
DefaultTableCellRenderer renderer =
(DefaultTableCellRenderer)table.getDefaultRenderer(String.class);
renderer.setHorizontalAlignment(JLabel.CENTER);
centroidLabel = new JLabel("centroid location: ", JLabel.CENTER);
Dimension d = centroidLabel.getPreferredSize();
d.height = table.getRowHeight();
centroidLabel.setPreferredSize(d);
JPanel panel = new JPanel(new BorderLayout());
panel.setBorder(BorderFactory.createTitledBorder("triangle data"));
panel.add(table);
panel.add(centroidLabel, "South");
return panel;
}PLEASE HELP ---- Also does any one know how to draw a Triangle on a screen which can be controlled by a JSlider such that as and whenits incremented the triangle increase and vice versa... I need to prove Similarity in triangles using A Jslider that controls one triangle while the other triangle is Still on screenSharan,
The code given was part of the assignment and you are supposed to make the changes for your part right?
Please give details of what you have done so far and not expect us to do your assignment for you. We'll be glad to help answer questions and point to the right direction, but giving us the entire assignment and saying, very nicely I might add, "Please do it for me." Just seems to make a mockery of the hours, days, and years that many of us has spent earning our degrees and learning our skills.
Work on it and ask specific questions with examples of what you have done and you'll get a much better response. -
Boot image does not exist and cannot read disk label errors.
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While having trouble getting my AC power supply cord to power up the 'book (the cord wires were broken and the power would only flow if the cord were held in one position) the battery eventually was
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Please, help! Not running Logic Pro. Comments attached.
Process: Logic Pro [2665] Path: /Applications/Logic Pro.app/Contents/MacOS/Logic Pro Identifier: com.apple.logic.pro Version: 9.1.8 (1700.67) Build Info: Logic-17006700~2 App Item ID: 459578486 App External ID