CrossHair « Component « JFreeChart Q&A
1. CrossHair Tracing Problem In JFreeChart stackoverflow.comI was able to implement real-time mouse tracing as follow :
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2. JFreeChart - Shared Crosshair between Subplots stackoverflow.comI would like to know how to have a shared Crosshair. I have a CombinedXYPlot with 5 XYPlots and when I click on the graph, I would like to have one ... |
3. Dynamic chart and crosshair jfree.org |
4. How to lock crosshair to the nearest data value with slider? jfree.orgIn my program when a mouse click happens, the crosshair is locking properly to the nearest data value. I want the same functionality in crosshairdemo program when the slider is moved. Currently when I move the slider bar, the crosshair is not locking to the nearest data value. What function do I need to call, so that an event similar to ... |
5. Crosshair limitations and proposed solution jfree.orgCrosshair limitations and proposed solution by gumshoe Wed Sep 14, 2005 8:49 pm The current crosshair demos, CrosshairDemo1.java for example, have datasets where the time periods are immediately consecutive. This allows chartProgress() to use TimeSeries.getIndex() and since each time period in the series is populated every call to it will result in a match. However, if your time periods are ... |
6. remove or disable crosshair jfree.org |
7. Plz help with crosshair & table jfree.orgIs there a way to find out the value of the clicked crosshair? (if using several series). I know the x,y for the chosen serie, but I would also want to know x and y for the other 2 series at the clicked x value of serie nr 1... Hope you know what I search for. Please do not ask to ... |
8. "Push Left-Up" on chart; getting crosshair values jfree.org"Push Left-Up" on chart; getting crosshair values by flink Mon Feb 13, 2006 12:22 pm Hi! Having just purchased the Developer guide (wich is very nicely written and I recommend to everyone that use JFreeChart), I finished the first charting phase of my application in two days. Thanks David! All that is missing now is a couple of small things ... |
9. How to insert 'data table' (Crosshair Demo1) jfree.orgHi all, Could you please show me the way for adding data table into the chart. There is 2 sample for this in demo application. Demos\Miscellaneous\Crosshairs\Crosshairdemo1 , CrosshairDemo2. I have examined the codes which belongs the Crosshairdemo1. But I couldn't draw the table. Please tell me the way or send a sample code part.. Regards, Onder. |
10. CrossHair jfree.org |
11. CrossHair jfree.orgDoes any one know how to have a slider or bar which shows the x y coordinate value below the chart, similar to example give demo jar of crosshairdemo1 and crosshairdemo2. The code given by david on koders was built on older library files which no longer exits in the latest version of jFreechart. Can any one help ??? Please... |
12. advanced crosshair jfree.orgWell, sorry about the licensing issue. I will upload the JFreechart related library and my override classes to the site inside the Help column (I suggested), there will be a link beside the 'disclaimer', I will also post the LGPL license as well, please give me some time (recently go holiday)... The latest date to post is 31/8/06, but I will ... |
13. Crosshair draw jfree.org |
14. crosshair with two ranges jfree.orgHi everyone, I have a timeSeriesChart with a range on the left and one on the right. I have two datasets that respect each one of the range. I enable the crosshairs for the plot that contains the 2 datasets but the chart use the same range (the one on the left) to display the crosshair. Is it possible to specify ... |
15. Crosshair jfree.orgby heprom Tue Nov 28, 2006 4:02 pm I've just commited a patch which add the cross hair to the swt code, please try it. you can download a copy of the ChartComposite on cvs or apply the following patch: ### Eclipse Workspace Patch 1.0 #P jfreechart Index: swt/org/jfree/experimental/chart/swt/ChartComposite.java =================================================================== RCS file: /cvsroot/jfreechart/jfreechart/swt/org/jfree/experimental/chart/swt/Attic/ChartComposite.java,v retrieving revision 1.1.2.3 diff -u -r1.1.2.3 ChartComposite.java ... |
16. Crosshair limitations jfree.orgDavid, I finished my implementation of a method similar to getSurroundingItems(). Instead of returning the surrounding items I just returned the item with the maximum timestamp that is <= the requested timestamp. But in fact this is the same work than getSurroundingItems. Here are my suggestions: * As you already said the getSurroundingItems method should be delegated to the (Time)Series. For ... |
17. Trying to get XY-values next to the crosshair jfree.orgHi, I'm using a DefaultXYDataset and XYPlot. I'm also using a crosshair and I am able to query the X and Y values where the crosshair points at. But I'd also like to have the values in the near area around the crosshair, e.g. the XY directly before and after to calculate a gradiant. How can I do this? It would ... |
18. Reading the Value from A Range Crosshair jfree.orgI have a range crosshair which the user can move using a JSlider, but I cannot figure out how to read the Y value at the current location of the crosshair for a particular series. I wish to display the value in a simple JLabel so the user can know the exact number at that location. Is there simple call that ... |
19. Multiple crosshair jfree.org |
20. displaying crosshair values jfree.orgI use wzwei28s version of dynamical crosshair. Additionally I want to show the x- and y-values. Unfortunately I cannot post a picture. I have lost the background, part of the curve and the perpendicular crosshair line. What can I do? Thats my code: int xdraw=m_iX, ydraw=m_iY; g2.setColor(g2.getBackground()); g2.fillRect(iDAMinX+1, iDAMinY-9, iDAMaxX-iDAMinX-1, iDAMinY-17); g2.fillRect(iDAMinX+1, iDAMinY-8, 58, iDAMaxY-13); // for y-values g2.setXORMode(Color.black); asV = ... |
21. Crosshair question jfree.org |
22. Crosshair values jfree.orgHI, I'm using an x crosshair (locked on data) in my xy plot and everything is working just fine. I was wondering if there is a way to get the index of the x data point. I mean that instead of getting the actual value, obtain its index on the list of x-coordinates. This would be a convenience, since it would ... |
23. showing crosshair state in a chart on web jfree.orgI've been working with servlets and I needed to convert my charts to JPEG's in order to embed them with HTML on an HTTPServlet, but now since they are images, I'm not sure how to show the crosshair state when I would click on a point or move the mouse on it and see the values. What is one way I ... |
24. Setting crosshair position jfree.org |
25. Crosshair intersects jfree.orgMy chart can have many TImeSeries maped to different Range axis as well mapped to different DomainAxis. This is no problem. But I need to display the range value for each curve when the crosshair is moved. I no that asking the dataset to give me the value by passing the time is not good for me because it will only ... |
26. Horizontal domain crosshair disappears jfree.orgHorizontal domain crosshair disappears by guillaume.termes Sat Dec 26, 2009 2:49 pm Hi, I would like to update dynamically a text annotation with the coordinate of the crosshairs locked on data. I found an example on the forum how to do it nevertheless I found a bug that I don't understand. I have two datasets using the same Domain Axis ... |
27. Crosshair on XYBlockChart jfree.org |
28. Domain Crosshair not updated correctly jfree.orgI have two charts that I am trying to keep in sync using ChartChangeListeners. It's working, but when moving the crosshair on one chart, the update is not applied to the other chart until I move the crosshair again -- then the cross hair updates to the last position. The simple work-around is to click once to move the crosshair, wait ... |
29. getting crosshair value jfree.orgWhile trying the software I came across a problem of timing. I need to pick up the crosshair value so I used the chartChanged event. It gives the value of where the crosshair was, so that the chartChanged apparently comes before the plot is actually updated. The code is public void chartChanged(ChartChangeEvent cce) { Object plot0 = cce.getSource(); if( plot0 instanceof ... |
The source code is as follow :