Search found 3 matches

by goldie
Thu Apr 26, 2018 8:48 am
Forum: JFreeChart
Topic: Areachart color area above the values "hanging from the ceiling"
Replies: 0
Views: 3699

Areachart color area above the values "hanging from the ceiling"

Hi,

I want to create an Areachart looks like this: https://imgur.com/a/iaHNx2i

But not with inverting the Y axis because I want to have one area (series) colored under and one area colored above the values.

Any idea how I can do this?

Thanks in advance
by goldie
Tue Feb 06, 2018 9:11 am
Forum: JFreeChart
Topic: improve realtime chart performance
Replies: 2
Views: 5203

Re: improve realtime chart performance

Hi David,

thanks for the answer!
btw. I tried with a more powerful hardware and now it looks kind of OK.

have a nice day
by goldie
Mon Jan 29, 2018 1:15 pm
Forum: JFreeChart
Topic: improve realtime chart performance
Replies: 2
Views: 5203

improve realtime chart performance

Hi all, I am using a DynamicTimeSeriesCollection dataset in a TimeSeriesChart to show live data on a chart. The rate of getting new data is only one per second, but the requirement is that the chart should scroll smoothly. To achieve that, in the chart updater thread I calculate the data point betwe...