Search found 3 matches

by sutcha
Thu Oct 25, 2007 9:45 am
Forum: JFreeChart
Topic: Timeseries - Hours but no date?!
Replies: 0
Views: 1421

Timeseries - Hours but no date?!

Hi actually I use a timeseries to show the change of a value. This Value can change every hour, so I add values with Hour(). I can set a beginning date and an ending date and then the chart shows me the changes of the value in that period. If I chose a period of 3 days the time-axe shows me hours bu...
by sutcha
Fri Sep 21, 2007 11:00 am
Forum: JFreeChart
Topic: How to use JFreeChart with SWT (includes sample code)
Replies: 27
Views: 153982

Hi, I just used Tils way to get a SWT-Image, but I got a bad performance. I use a modified plot of JFreeChart and when the range of values is over 100000 it takes a few seconds (1-2 ;) ) to buffer the chart. I used the way creating a PNG and using the bytearray etc. It seems to be a problem to buffe...
by sutcha
Thu Sep 13, 2007 11:38 am
Forum: JFreeChart
Topic: Timeseries chart and date display
Replies: 3
Views: 2304

JFreeChart chart = ChartFactory.createXYStepChart( title, xAxisLabel, yAxisLabel, dataset, PlotOrientation.VERTICAL, true, // legend true, // tooltips false // urls ); chart.setBackgroundPaint(null); final XYPlot plot = chart.getXYPlot(); plot.getRenderer().setSeriesStroke(0, new BasicStroke(1.5f))...