histogramdataset.html

jfreechart1。0。2的api。

<FONT color="green">372</FONT>    <a name="line.372"></a>
<FONT color="green">373</FONT>            if (this.type == HistogramType.FREQUENCY) {<a name="line.373"></a>
<FONT color="green">374</FONT>                return new Double(bin.getCount());<a name="line.374"></a>
<FONT color="green">375</FONT>            }<a name="line.375"></a>
<FONT color="green">376</FONT>            else if (this.type == HistogramType.RELATIVE_FREQUENCY) {<a name="line.376"></a>
<FONT color="green">377</FONT>                return new Double(bin.getCount() / total);<a name="line.377"></a>
<FONT color="green">378</FONT>            }<a name="line.378"></a>
<FONT color="green">379</FONT>            else if (this.type == HistogramType.SCALE_AREA_TO_1) {<a name="line.379"></a>
<FONT color="green">380</FONT>                return new Double(bin.getCount() / (binWidth * total));<a name="line.380"></a>
<FONT color="green">381</FONT>            }<a name="line.381"></a>
<FONT color="green">382</FONT>            else { // pretty sure this shouldn't ever happen<a name="line.382"></a>
<FONT color="green">383</FONT>                throw new IllegalStateException();<a name="line.383"></a>
<FONT color="green">384</FONT>            }<a name="line.384"></a>
<FONT color="green">385</FONT>        }<a name="line.385"></a>
<FONT color="green">386</FONT>    <a name="line.386"></a>
<FONT color="green">387</FONT>        /**<a name="line.387"></a>
<FONT color="green">388</FONT>         * Returns the start value for a bin.<a name="line.388"></a>
<FONT color="green">389</FONT>         * <a name="line.389"></a>
<FONT color="green">390</FONT>         * @param series  the series index (in the range &lt;code&gt;0&lt;/code&gt; to <a name="line.390"></a>
<FONT color="green">391</FONT>         *     &lt;code&gt;getSeriesCount() - 1&lt;/code&gt;).<a name="line.391"></a>
<FONT color="green">392</FONT>         * @param item  the item index (zero based).<a name="line.392"></a>
<FONT color="green">393</FONT>         * <a name="line.393"></a>
<FONT color="green">394</FONT>         * @return The start value.<a name="line.394"></a>
<FONT color="green">395</FONT>         * <a name="line.395"></a>
<FONT color="green">396</FONT>         * @throws IndexOutOfBoundsException if &lt;code&gt;series&lt;/code&gt; is outside the<a name="line.396"></a>
<FONT color="green">397</FONT>         *     specified range.<a name="line.397"></a>
<FONT color="green">398</FONT>         */<a name="line.398"></a>
<FONT color="green">399</FONT>        public Number getStartX(int series, int item) {<a name="line.399"></a>
<FONT color="green">400</FONT>            List bins = getBins(series);<a name="line.400"></a>
<FONT color="green">401</FONT>            HistogramBin bin = (HistogramBin) bins.get(item);<a name="line.401"></a>
<FONT color="green">402</FONT>            return new Double(bin.getStartBoundary());<a name="line.402"></a>
<FONT color="green">403</FONT>        }<a name="line.403"></a>
<FONT color="green">404</FONT>    <a name="line.404"></a>
<FONT color="green">405</FONT>        /**<a name="line.405"></a>
<FONT color="green">406</FONT>         * Returns the end value for a bin.<a name="line.406"></a>
<FONT color="green">407</FONT>         * <a name="line.407"></a>
<FONT color="green">408</FONT>         * @param series  the series index (in the range &lt;code&gt;0&lt;/code&gt; to <a name="line.408"></a>
<FONT color="green">409</FONT>         *     &lt;code&gt;getSeriesCount() - 1&lt;/code&gt;).<a name="line.409"></a>
<FONT color="green">410</FONT>         * @param item  the item index (zero based).<a name="line.410"></a>
<FONT color="green">411</FONT>         * <a name="line.411"></a>
<FONT color="green">412</FONT>         * @return The end value.<a name="line.412"></a>
<FONT color="green">413</FONT>         * <a name="line.413"></a>
<FONT color="green">414</FONT>         * @throws IndexOutOfBoundsException if &lt;code&gt;series&lt;/code&gt; is outside the<a name="line.414"></a>
<FONT color="green">415</FONT>         *     specified range.<a name="line.415"></a>
<FONT color="green">416</FONT>         */<a name="line.416"></a>
<FONT color="green">417</FONT>        public Number getEndX(int series, int item) {<a name="line.417"></a>
<FONT color="green">418</FONT>            List bins = getBins(series);<a name="line.418"></a>
<FONT color="green">419</FONT>            HistogramBin bin = (HistogramBin) bins.get(item);<a name="line.419"></a>
<FONT color="green">420</FONT>            return new Double(bin.getEndBoundary());<a name="line.420"></a>
<FONT color="green">421</FONT>        }<a name="line.421"></a>
<FONT color="green">422</FONT>    <a name="line.422"></a>
<FONT color="green">423</FONT>        /**<a name="line.423"></a>
<FONT color="green">424</FONT>         * Returns the start y-value for a bin (which is the same as the y-value, <a name="line.424"></a>
<FONT color="green">425</FONT>         * this method exists only to support the general form of the <a name="line.425"></a>
<FONT color="green">426</FONT>         * {@link IntervalXYDataset} interface).<a name="line.426"></a>
<FONT color="green">427</FONT>         * <a name="line.427"></a>
<FONT color="green">428</FONT>         * @param series  the series index (in the range &lt;code&gt;0&lt;/code&gt; to <a name="line.428"></a>
<FONT color="green">429</FONT>         *     &lt;code&gt;getSeriesCount() - 1&lt;/code&gt;).<a name="line.429"></a>
<FONT color="green">430</FONT>         * @param item  the item index (zero based).<a name="line.430"></a>
<FONT color="green">431</FONT>         * <a name="line.431"></a>
<FONT color="green">432</FONT>         * @return The y-value.<a name="line.432"></a>
<FONT color="green">433</FONT>         * <a name="line.433"></a>
<FONT color="green">434</FONT>         * @throws IndexOutOfBoundsException if &lt;code&gt;series&lt;/code&gt; is outside the<a name="line.434"></a>
<FONT color="green">435</FONT>         *     specified range.<a name="line.435"></a>
<FONT color="green">436</FONT>         */<a name="line.436"></a>
<FONT color="green">437</FONT>        public Number getStartY(int series, int item) {<a name="line.437"></a>
<FONT color="green">438</FONT>            return getY(series, item);<a name="line.438"></a>
<FONT color="green">439</FONT>        }<a name="line.439"></a>
<FONT color="green">440</FONT>    <a name="line.440"></a>
<FONT color="green">441</FONT>        /**<a name="line.441"></a>
<FONT color="green">442</FONT>         * Returns the end y-value for a bin (which is the same as the y-value, <a name="line.442"></a>
<FONT color="green">443</FONT>         * this method exists only to support the general form of the <a name="line.443"></a>
<FONT color="green">444</FONT>         * {@link IntervalXYDataset} interface).<a name="line.444"></a>
<FONT color="green">445</FONT>         * <a name="line.445"></a>
<FONT color="green">446</FONT>         * @param series  the series index (in the range &lt;code&gt;0&lt;/code&gt; to <a name="line.446"></a>
<FONT color="green">447</FONT>         *     &lt;code&gt;getSeriesCount() - 1&lt;/code&gt;).<a name="line.447"></a>
<FONT color="green">448</FONT>         * @param item  the item index (zero based).<a name="line.448"></a>
<FONT color="green">449</FONT>         * <a name="line.449"></a>
<FONT color="green">450</FONT>         * @return The Y value.<a name="line.450"></a>
<FONT color="green">451</FONT>         * <a name="line.451"></a>
<FONT color="green">452</FONT>         * @throws IndexOutOfBoundsException if &lt;code&gt;series&lt;/code&gt; is outside the<a name="line.452"></a>
<FONT color="green">453</FONT>         *     specified range.<a name="line.453"></a>
<FONT color="green">454</FONT>         */    <a name="line.454"></a>
<FONT color="green">455</FONT>        public Number getEndY(int series, int item) {<a name="line.455"></a>
<FONT color="green">456</FONT>            return getY(series, item);<a name="line.456"></a>
<FONT color="green">457</FONT>        }<a name="line.457"></a>
<FONT color="green">458</FONT>    <a name="line.458"></a>
<FONT color="green">459</FONT>        /**<a name="line.459"></a>
<FONT color="green">460</FONT>         * Tests this dataset for equality with an arbitrary object.<a name="line.460"></a>
<FONT color="green">461</FONT>         * <a name="line.461"></a>
<FONT color="green">462</FONT>         * @param obj  the object to test against (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.462"></a>
<FONT color="green">463</FONT>         * <a name="line.463"></a>
<FONT color="green">464</FONT>         * @return A boolean.<a name="line.464"></a>
<FONT color="green">465</FONT>         */<a name="line.465"></a>
<FONT color="green">466</FONT>        public boolean equals(Object obj) {<a name="line.466"></a>
<FONT color="green">467</FONT>            if (obj == this) {<a name="line.467"></a>
<FONT color="green">468</FONT>                return true;   <a name="line.468"></a>
<FONT color="green">469</FONT>            }<a name="line.469"></a>
<FONT color="green">470</FONT>            if (!(obj instanceof HistogramDataset)) {<a name="line.470"></a>
<FONT color="green">471</FONT>                return false;<a name="line.471"></a>
<FONT color="green">472</FONT>            }<a name="line.472"></a>
<FONT color="green">473</FONT>            HistogramDataset that = (HistogramDataset) obj;<a name="line.473"></a>
<FONT color="green">474</FONT>            if (!ObjectUtilities.equal(this.type, that.type)) {<a name="line.474"></a>
<FONT color="green">475</FONT>                return false;<a name="line.475"></a>
<FONT color="green">476</FONT>            }<a name="line.476"></a>
<FONT color="green">477</FONT>            if (!ObjectUtilities.equal(this.list, that.list)) {<a name="line.477"></a>
<FONT color="green">478</FONT>                return false;<a name="line.478"></a>
<FONT color="green">479</FONT>            }<a name="line.479"></a>
<FONT color="green">480</FONT>            return true;   <a name="line.480"></a>
<FONT color="green">481</FONT>        }<a name="line.481"></a>
<FONT color="green">482</FONT>    <a name="line.482"></a>
<FONT color="green">483</FONT>        /**<a name="line.483"></a>
<FONT color="green">484</FONT>         * Returns a clone of the dataset.<a name="line.484"></a>
<FONT color="green">485</FONT>         * <a name="line.485"></a>
<FONT color="green">486</FONT>         * @return A clone of the dataset.<a name="line.486"></a>
<FONT color="green">487</FONT>         * <a name="line.487"></a>
<FONT color="green">488</FONT>         * @throws CloneNotSupportedException if the object cannot be cloned.<a name="line.488"></a>
<FONT color="green">489</FONT>         */<a name="line.489"></a>
<FONT color="green">490</FONT>        public Object clone() throws CloneNotSupportedException {<a name="line.490"></a>
<FONT color="green">491</FONT>            return super.clone();   <a name="line.491"></a>
<FONT color="green">492</FONT>        }<a name="line.492"></a>
<FONT color="green">493</FONT>    <a name="line.493"></a>
<FONT color="green">494</FONT>    }<a name="line.494"></a>




























































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