Example usage for org.jfree.data.time RegularTimePeriod getMiddleMillisecond

Introduction

In this page you can find the example usage for org.jfree.data.time RegularTimePeriod getMiddleMillisecond.

Prototype

public long getMiddleMillisecond() 

Source Link

Document

Returns the millisecond closest to the middle of the time period.

Usage

From source file:org.jfree.data.xy.DefaultWindDatasetTest.java

/**
 * Creates an array representing one item in a series.
 *
 * @param t  the time period.//from w  w  w.j  av a 2s  . com
 * @param dir  the wind direction.
 * @param force  the wind force.
 *
 * @return An array containing the specified items.
 */
private Object[] createItem(RegularTimePeriod t, int dir, int force) {
    return new Object[] { new Long(t.getMiddleMillisecond()), new Integer(dir), new Integer(force) };
}

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From source file:org.jfree.data.time.ohlc.OHLCSeriesCollection.java

/**
 * Returns the x-value for a time period.
 *
 * @param period  the time period (<code>null</code> not permitted).
 *
 * @return The x-value.//from w w w  . j a v a  2 s.c  o m
 */
protected synchronized long getX(RegularTimePeriod period) {
    long result = 0L;
    if (this.xPosition == TimePeriodAnchor.START) {
        result = period.getFirstMillisecond();
    } else if (this.xPosition == TimePeriodAnchor.MIDDLE) {
        result = period.getMiddleMillisecond();
    } else if (this.xPosition == TimePeriodAnchor.END) {
        result = period.getLastMillisecond();
    }
    return result;
}

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From source file:ucar.unidata.idv.control.chart.TimeSeriesChart.java

/**
 * Make the plot/*from  ww  w  . jav  a2 s.co m*/
 *
 * @return The plot_
 */
public Plot doMakePlot() {

    IdvPreferenceManager pref = control.getControlContext().getIdv().getPreferenceManager();
    TimeZone timeZone = pref.getDefaultTimeZone();
    NumberAxis valueAxis = new FixedWidthNumberAxis("");
    final SimpleDateFormat sdf = new SimpleDateFormat(
            ((dateFormat != null) ? dateFormat : pref.getDefaultDateFormat()));
    sdf.setTimeZone(timeZone);
    DateAxis timeAxis = new DateAxis("Time (" + timeZone.getID() + ")", timeZone) {

        protected List xxxxxrefreshTicksHorizontal(Graphics2D g2, Rectangle2D dataArea, RectangleEdge edge) {

            List ticks = super.refreshTicksHorizontal(g2, dataArea, edge);

            List<Tick> result = new java.util.ArrayList<Tick>();

            Font tickLabelFont = getTickLabelFont();
            g2.setFont(tickLabelFont);

            if (isAutoTickUnitSelection()) {
                selectAutoTickUnit(g2, dataArea, edge);
            }

            DateTickUnit unit = getTickUnit();
            Date tickDate = calculateLowestVisibleTickValue(unit);
            Date upperDate = getMaximumDate();

            Date firstDate = null;
            while (tickDate.before(upperDate)) {

                if (!isHiddenValue(tickDate.getTime())) {
                    // work out the value, label and position
                    String tickLabel;
                    DateFormat formatter = getDateFormatOverride();
                    if (firstDate == null) {
                        if (formatter != null) {
                            tickLabel = formatter.format(tickDate);
                        } else {
                            tickLabel = getTickUnit().dateToString(tickDate);
                        }
                        firstDate = tickDate;
                    } else {
                        double msdiff = tickDate.getTime() - firstDate.getTime();
                        int hours = (int) (msdiff / 1000 / 60 / 60);
                        tickLabel = hours + "H";
                    }
                    //                tickLabel = tickLabel;
                    TextAnchor anchor = null;
                    TextAnchor rotationAnchor = null;
                    double angle = 0.0;
                    if (isVerticalTickLabels()) {
                        anchor = TextAnchor.CENTER_RIGHT;
                        rotationAnchor = TextAnchor.CENTER_RIGHT;
                        if (edge == RectangleEdge.TOP) {
                            angle = Math.PI / 2.0;
                        } else {
                            angle = -Math.PI / 2.0;
                        }
                    } else {
                        if (edge == RectangleEdge.TOP) {
                            anchor = TextAnchor.BOTTOM_CENTER;
                            rotationAnchor = TextAnchor.BOTTOM_CENTER;
                        } else {
                            anchor = TextAnchor.TOP_CENTER;
                            rotationAnchor = TextAnchor.TOP_CENTER;
                        }
                    }

                    Tick tick = new DateTick(tickDate, tickLabel, anchor, rotationAnchor, angle);
                    result.add(tick);
                    tickDate = unit.addToDate(tickDate, getTimeZone());
                } else {
                    tickDate = unit.rollDate(tickDate, getTimeZone());

                    continue;
                }

                // could add a flag to make the following correction optional...
                switch (unit.getUnit()) {

                case (DateTickUnit.MILLISECOND):
                case (DateTickUnit.SECOND):
                case (DateTickUnit.MINUTE):
                case (DateTickUnit.HOUR):
                case (DateTickUnit.DAY):
                    break;

                case (DateTickUnit.MONTH):
                    tickDate = calculateDateForPositionX(new Month(tickDate, getTimeZone()),
                            getTickMarkPosition());

                    break;

                case (DateTickUnit.YEAR):
                    tickDate = calculateDateForPositionX(new Year(tickDate, getTimeZone()),
                            getTickMarkPosition());

                    break;

                default:
                    break;

                }

            }

            return result;

        }

        private Date calculateDateForPositionX(RegularTimePeriod period, DateTickMarkPosition position) {

            if (position == null) {
                throw new IllegalArgumentException("Null 'position' argument.");
            }
            Date result = null;
            if (position == DateTickMarkPosition.START) {
                result = new Date(period.getFirstMillisecond());
            } else if (position == DateTickMarkPosition.MIDDLE) {
                result = new Date(period.getMiddleMillisecond());
            } else if (position == DateTickMarkPosition.END) {
                result = new Date(period.getLastMillisecond());
            }

            return result;

        }

    };
    timeAxis.setDateFormatOverride(sdf);

    final XYPlot[] xyPlotHolder = { null };

    xyPlotHolder[0] = new MyXYPlot(new TimeSeriesCollection(), timeAxis, valueAxis, null) {
        public void drawBackground(Graphics2D g2, Rectangle2D area) {
            super.drawBackground(g2, area);
            drawSunriseSunset(g2, xyPlotHolder[0], area);
        }
    };

    if (animationTimeAnnotation != null) {
        xyPlotHolder[0].addAnnotation(animationTimeAnnotation);
    }

    return xyPlotHolder[0];

}

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