Search found 5 matches

by korvus
Mon Nov 09, 2009 9:00 pm
Forum: JFreeChart
Topic: how to draw annotations in view coordinates?
Replies: 2
Views: 2473

Re: how to draw annotations in view coordinates?

Can you provide your changes? I'm looking to do something similar and would love to avoid developing the same solution...
by korvus
Tue Apr 29, 2008 4:11 pm
Forum: JFreeChart - Stockmarket
Topic: HighLow renderer renders open/close ticks too large
Replies: 5
Views: 16335

I completely understand the issue. Back in 2001 or so, I wrote a Java program to graph sensor data, and wrote the graph engine from scratch. Even with a pretty constrained application, it was still pretty daunting. I appreciate you adding that functionality in. I really don't want to maintain my own...
by korvus
Tue Apr 29, 2008 2:48 pm
Forum: JFreeChart - Stockmarket
Topic: HighLow renderer renders open/close ticks too large
Replies: 5
Views: 16335

Yeah, I think that would be fine. While I'd love for the "delta" to be calculated on the fly, that might not make sense for most applications. Honestly, if I was rendering this chart to a PNG or the screen, I suspect 2.0 renders as 2 pixels, so I really wouldn't be able to shrink it too much. The fa...
by korvus
Mon Apr 28, 2008 7:38 pm
Forum: JFreeChart - Stockmarket
Topic: HighLow renderer renders open/close ticks too large
Replies: 5
Views: 16335

Here's an example.
Full chart: korvus.net/stockchart.png
Closeup of ticks: korvus.net/stockchart_closeup.png
by korvus
Mon Apr 28, 2008 7:37 pm
Forum: JFreeChart - Stockmarket
Topic: HighLow renderer renders open/close ticks too large
Replies: 5
Views: 16335

HighLow renderer renders open/close ticks too large

I am rendering some stock charts to PDF. I almost have it working, but when I have too many data points in the chart, it renders the open/close ticks so large that they overlap a number of data points on either side. Is there a way to customize the size of the ticks that stick out from the HighLow i...