Image Map « Image « JFreeChart Q&A
1. how to set attribute in image map using JFreeChart stackoverflow.comCan you please tell me that how can i set attribute in the image map using JFreeChart in servlet For example i am getting like this |
2. Generating Image Map with circle shapes jfree.orgI have a large bubble plot for which I am generating an Image Map using the ImageMapUtilities. I noticed that the circles of my bubble plot are represented as poly shapes, which contain a large number of coordinates compared to using the circle shape which only has three coordinates per shape. Is there a way to control this in JFreeChart somehow? ... |
3. Image map generation problem jfree.org |
4. Is it possible to use image maps with JFreeCharts? jfree.org |
5. Question on image maps. jfree.org |
6. Image Map Areas Appear Twice jfree.orgImage Map Areas Appear Twice by SSJ2Joseph Tue Apr 04, 2006 6:54 pm For some reason, the image map outputs the same entries twice for the bars on my bar graph. Anyone see anything I'm doing wrong? Thanks in advance. MyChart.java: import java.awt.BasicStroke; import java.awt.Stroke; import java.awt.Color; import java.awt.GradientPaint; import java.awt.Paint; import java.awt.Font; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileOutputStream; import ... |
7. Problem with URL image map jfree.orgHi, I have problem with url image map. I have generated an png image bar chart and corresponding image map. However, individual areas in the image have some offset. I mean, in the chart is a bar and the click area is near the bar - this is the problem. Thanks for help |
8. Image Map passing value Problem jfree.orgHi, I want to pass addition information to another chart when i click on the chart. I find that the default class only pass the series and section value. If i want to pass more information, say Student Age, Student Class, do i need to write my own URLGenerator? Are there any examples i can refer to ? Thanks NelNel |
9. Image map alt attribute is blank jfree.orgChartFactory.createTimeSeriesChart(title, "Months", "Value", dataset, true, true, false); ChartRenderingInfo chartRenderingInfo = new ChartRenderingInfo(); BufferedImage bufferedImage = chart.createBufferedImage(width,height, BufferedImage.TYPE_INT_RGB,chartRenderingInfo); |
10. Creating image maps without saving the image jfree.orgI have already an image of the chart in the filesystem. No I create an object that would create exactly the same image file. My intension is now to present the chart object on a webpage with an image map in it. But for creating the image map, I need a ChartRenderingInfo, which is valid only after saving the chart image. ... |
11. Image map tag is closed jfree.orgHi, I have created an image map using ChartUtilities.getImageMap(id, renderingInfo). The map is used to display tooltips only. I now want to add some more area shapes for zooming the image, but not the links of the value dots. The area shapes are rastered all over the image. At the moment, I am cutting the |
12. Asynchrounous updation and multiple Image maps jfree.orgHi, I am creating web application which going to display multiple graphs in the UI page. I designed UI as a JSP page. For showing multiple graphs in the page I am creating graphs and storing in to the webapplication temp directory. I want to do it in a betterway instead of storing the images on the webapplication directory. Image map ... |
14. Cannot generate an image map. What gives??? jfree.orgCannot generate an image map. What gives??? by hardwickj Tue Jan 16, 2007 4:35 pm I have been working on this servlet the past day and a half, and for whatever reason, I cannot get this to generate an image map. When I view the html source of its output, the tags are there, but there is no ... |
15. help with image map jfree.orgI have this servlet: Code: Select all import java.awt.Graphics2D; import java.awt.geom.Rectangle2D; import java.awt.image.BufferedImage; import java.io.IOException; import java.io.OutputStream; import java.io.PrintWriter; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.jfree.chart.ChartFactory; import org.jfree.chart.ChartRenderingInfo; import org.jfree.chart.ChartUtilities; import org.jfree.chart.JFreeChart; import org.jfree.chart.axis.NumberAxis; import org.jfree.chart.block.BlockBorder; import org.jfree.chart.entity.StandardEntityCollection; import org.jfree.chart.imagemap.ImageMapUtilities; import org.jfree.chart.plot.CategoryPlot; import org.jfree.chart.plot.Marker; import org.jfree.chart.plot.PlotOrientation; import org.jfree.chart.plot.ValueMarker; import org.jfree.chart.renderer.category.CategoryStepRenderer; import org.jfree.chart.renderer.category.LineAndShapeRenderer; import org.jfree.chart.servlet.ServletUtilities; import org.jfree.chart.title.LegendTitle; ... |
16. Introducing Target to Image Map jfree.orgHi, I was looking at the 1.0.4 code and noticed that Target tag information was not included in the image map utilities code. I was planning to write code to add support for Target tags in the image map utilities. However, since I am writing and testing the code, I was thinking that it would it be beneficial to contribute this ... |
17. Image map - point collisions jfree.orgHi All, I am just looking at using JFreeChart for a web based project and I was wondering anyone can comment on Image Map behaviour when there are collisions between data points on the image. For example when using for example the CombinedDomainXY plot in the demo, and data that results in 2 series occupying the same point on the image, ... |
18. Reducing the image map jfree.orgHi All, I am using image map for drawing the chart to get the tooltips. If the image map is huge, the page is not rendered properly in IE. So I want to reduce the image map ie. for a range of dates in X axis , I want the maximum and minimum values ie, for every 5 tick points I ... |
19. Image Coordinates for Custom Image Map jfree.orgI've just spent about an hour looking through the API and manual for a method that will give me the image coordinates for the plot points for a given series. What I am going to do is create a custom image map that in addition to having a hover will also have a JavaScript function that will display a CSS div ... |
20. Image Maps jfree.orgI am fairly new to JFreeChart and am having an issue with generating image maps. I bought the developer guide and looked through the samples, but don't see anything useful for this. Here is my test code. I am creating a pie chart from the manual and writing out the chart to a PNG file (which works fine). I get the ... |
21. Image map doesn't build area for 0 value jfree.orgHi, This is my fisrt message on this forum so I first want to apologize for my poor english. I've a problem with imagemap. The map is generated well but doesn't contains area polygon when Y = 0. I need those points. Is it possible to get all points in the map even if Y = 0 for a series ? ... |
22. Empty image Map when using ChartUtilities.saveChartAsPNG jfree.orgHi all, I have issue here. I have created a JFreechart object. Now i want to save the chart as .png file and then want to have the corresponding image map from it. Like this: ChartUtilities.saveChartAsPNG(new File("temp/reports/chart1"+number+".png"), chart, 800,600); ChartRenderingInfo info = new ChartRenderingInfo(new StandardEntityCollection()); ChartUtilities.writeImageMap(new PrintWriter(System.out), "temp/reports/chart1"+number+".png", info, false); Once i run this program i get the .png in the ... |
23. can jfreechart save image map to a file? jfree.org |
24. Image Map generated when i create a image. jfree.orgI tried to use Jfree chart in JSF, when i do that generated image tag is closed without the src and map tag is generated and the image is not at all displayed. For example: when i do this: |
25. Image Map not working jfree.orgImage Map not working by sparky Tue Mar 31, 2009 7:09 pm Greetings: I have a fairly simple Gantt chart that I am trying to get to display tooltips on a JSP page. The chart renders fine, I get no errors, but the tooltips never appear anywhere. I can even see the generated imagemap when I view source on the ... |
26. Image Map tag is inserted in middle of Input tag jfree.orgHi I used JFree chart in many of my pages. But in one of my page, |
27. Image Map generation not flexible enough jfree.orgJFreeChart needs a small framework, that allows developers to plug in custom image map generators, like that in jCharts. Looking first through the developer guide, that I bought, and then through the source code, I detected, that, in order to use a tooltip library different from overlib, I actually have to patch the ChartEntity.getImageMapAreaTag() method. This is, because, for instance, BarRenderer.drawHorizontalItem() ... |
28. Creating a ImageMap from An Image jfree.orgreturn ChartUtilities.getImageMap("chart", info, (ToolTipTagFragmentGenerator) plot.getToolTipGenerator(), (URLTagFragmentGenerator) plot.getURLGenerator()); |