Search found 50 matches

by tedbyers
Wed Oct 24, 2007 6:58 am
Forum: JFreeChart
Topic: Setting colors in different parts of a line series
Replies: 1
Views: 2728

Setting colors in different parts of a line series

I have a need for changing the color in which the line is drawn for a given time series based on boolean values in a second time series. I.e. I need to set the color to green for the main time series line if the value on a given date is true, and then change the color to red on the date the boolean ...
by tedbyers
Tue Oct 16, 2007 5:51 pm
Forum: JFreeChart - Stockmarket
Topic: Flag to turn on axis labels for volume in CandlestickChart?
Replies: 1
Views: 9282

Re: Flag to turn on axis labels for volume in CandlestickCha

preaney wrote:I saw an example for HighLowChart that creates a second dataset from the volume data, adds it to the plot and associates it with a new RangeAxis.
May I ask, "Where, exactly, did you see this example?"

Thanks

Ted
by tedbyers
Tue Oct 16, 2007 4:25 pm
Forum: JFreeChart - Stockmarket
Topic: Using chartfactory to create OHLCchart
Replies: 1
Views: 8486

creating ohlc chart with domain crosshair

OK, I solved the problem of creating these charts. Unfortunately, the details of creating a timeline are omitted from the documentation, but I finally found the solution in a static function that creates a segmented timeline that includes only weekdays. Now I have a different problem. I created two ...
by tedbyers
Mon Oct 15, 2007 10:35 pm
Forum: JFreeChart - Stockmarket
Topic: Using chartfactory to create OHLCchart
Replies: 1
Views: 8486

Using chartfactory to create OHLCchart

The function in chartfactory to create an OHLC chart wants a timeline. Is there a simple way to create a timeline directly from the defaultOHLCDataset (the OHLCDataItems has the Date values) and all the data is being read using JDBC from a RDBMS. We had bought the documentation, but it says nothing ...
by tedbyers
Fri Oct 12, 2007 7:17 pm
Forum: JFreeChart
Topic: Basic data manipulation and display
Replies: 0
Views: 1695

Basic data manipulation and display

OK, I have routine stuff down (I downloaded jFreeChart few days ago - normally I'd be developing my own charting classes, but I hate reinventing the wheel ...), and now routinely get data from an RDBMS using JDBC. One problem is that there seems to be a disconnect between a need to get data using SQ...