heatmap.setValuesRange(new DoubleRange(0d, size));
protected void setHeatmapRange() { DoubleRangeInputDialog dialog = new DoubleRangeInputDialog( getDialogParent(), new DoubleRange(heatmap.getLowValue(), heatmap.getHighValue()) ) { private static final long serialVersionUID = 1L; @Override protected String getDescription() { return DESCRIPTION_RANGE_DIALOG; } }; dialog.setVisible(true); if(!dialog.isCanceled()) { heatmap.setValuesRange(dialog.getSelectedRange()); } }