Re: [Ccoptions-development] Altering graphs using controls

[Peter W. <P.W...@wa...>]

>>> d.r...@wa... 09/16/03 18:50 PM >>>
This email is really to Peter but I thought I'd post to the list to keep
everyone informed.

    CCDataSet co2concs =3D new CCDataSet("global", "co2concs");

loads co2concs from the file global.csv into a new dataset

This loads the past smoothedco2concs from global.csv into a dataset.  We =
need this as figures from t-25 are need for the smoothed co2 concentrations=
 curve.
    CCDataSet smoothedco2concs =3D new CCDataSet("global",
"smoothedco2concs");
   =20
Create a new smoothed co2 curve from the data we have
CCCo2Concentrations co2conc =3D new CCCo2Concentrations(co2concs, ds, =
revision);

actually calculate the smoothed co2, calculating data for every year
    CCDataSet ds2 =3D co2conc.model(1900, 2200, 1);
at the moment (until its fixed, easy) this needs to be calculated for =
every year as I couldn't find a neat solution to the difference equation.

got to go now, will continue later

    // Using the predicted CO2, get the smoothed temperature model.
    CCSmoothedTemp cct =3D new CCSmoothedTemp(ds2, smoothedco2concs);
    // why does it all go so wonky if i set the temperature back to 1900?
    // do we have any data on temperature rises in the past?
    CCDataSet ds3 =3D cct.model(2000, 2200, 1);

    TimeSeries s2 =3D ds3.toTimeSeries("Global Temperature Rise");

    dataset.addSeries(s2);

    dataset.setDomainIsPointsInTime(true);
    dataset.setPosition(TimeSeriesCollection.MIDDLE);

    JFreeChart chart =3D createChart(dataset,
                                   "Predicted Global Temperate Rise");
    ChartPanel chartPanel =3D new ChartPanel(chart);
    chartPanel.setPreferredSize(new java.awt.Dimension(500, 270));
    chartPanel.setMouseZoomable(true, false);
    getContentPane().add(chartPanel);
  }

If you could reply with some examples of how the control could alter the
graph and correct my comments above then that would be very useful...

Cheers,

Dan.




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