Jfreechart vertical line is blurry
问题 I am using JFreechart to generate some plots, and I found the lines in my plot is blurry, but the demo shows that all the lines are thin and without any blurry, I was wondering if there any to generate good quality plot on a panel. 回答1: With more information, I can't explain the rendering and resampling artifact illustrated in your question. Starting from MinMaxCategoryPlotDemo1.java in the demo, I added this line to get the PNG image shown. ChartUtilities.saveChartAsPNG(new File("temp.png"),