public static ModFileWriter createBand(
PlotState state, ImagePlot plot, FileReadInfo readInfo, ActiveFitsReadGroup frGroup)
throws FitsException, IOException, GeomException {
ModFileWriter retval = null;
Band band = readInfo.getBand();
plot.setThreeColorBand(
state.isBandVisible(readInfo.getBand()) ? readInfo.getFitsRead() : null,
readInfo.getBand(),
frGroup);
HistogramOps histOps = plot.getHistogramOps(band, frGroup);
FitsRead tmpFR = histOps.getFitsRead();
if (tmpFR != readInfo.getFitsRead()
&& readInfo.getWorkingFile()
!= null) { // testing to see it the fits read got geomed when the band was added
state.setImageIdx(0, band);
retval =
new ModFileWriter.GeomFileWriter(
readInfo.getWorkingFile(), 0, tmpFR, readInfo.getBand(), false);
FitsCacher.addFitsReadToCache(retval.getTargetFile(), new FitsRead[] {tmpFR});
}
RangeValues rv = state.getRangeValues(readInfo.getBand());
if (rv == null) {
rv = FitsRead.getDefaultFutureStretch();
state.setRangeValues(rv, readInfo.getBand());
}
histOps.recomputeStretch(rv, true);
return retval;
}
/**
* Create the ImagePlot. If this is the first time the plot has been created the compute the
* appropriate zoom, otherwise using the zoom level in the PlotState object. Using the FitsRead in
* the PlotData object. Record the zoom level in the PlotData object.
*
* @param state plot state
* @param frGroup fits read group
* @param plotDesc plot description
* @return the image plot object
* @throws nom.tam.fits.FitsException if creating plot fails
*/
static ImagePlot createImagePlot(
PlotState state,
ActiveFitsReadGroup frGroup,
Band band,
String plotDesc,
ZoomChoice zoomChoice,
boolean isMultiImage)
throws FitsException {
RangeValues rv = state.getPrimaryRangeValues();
if (rv == null) {
rv = FitsRead.getDefaultFutureStretch();
state.setRangeValues(rv, state.firstBand());
}
float zoomLevel = zoomChoice.getZoomLevel();
ImagePlot plot =
PlotServUtils.makeImagePlot(
frGroup, zoomLevel, state.isThreeColor(), band, state.getColorTableId(), rv);
if (state.isNewPlot()) { // new plot requires computing the zoom level
zoomLevel = computeZoomLevel(plot, zoomChoice);
plot.getPlotGroup().setZoomTo(zoomLevel);
state.setZoomLevel(zoomLevel);
}
state.setZoomLevel(zoomLevel);
initPlotTitle(state, plot, frGroup, plotDesc, isMultiImage);
return plot;
}