defaultxyzdataset.html

jfreechart1。0。2的api。

<FONT color="green">318</FONT>        }<a name="line.318"></a>
<FONT color="green">319</FONT>    <a name="line.319"></a>
<FONT color="green">320</FONT>        /**<a name="line.320"></a>
<FONT color="green">321</FONT>         * Removes a series from the dataset, then sends a <a name="line.321"></a>
<FONT color="green">322</FONT>         * {@link DatasetChangeEvent} to all registered listeners.<a name="line.322"></a>
<FONT color="green">323</FONT>         * <a name="line.323"></a>
<FONT color="green">324</FONT>         * @param seriesKey  the series key (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.324"></a>
<FONT color="green">325</FONT>         * <a name="line.325"></a>
<FONT color="green">326</FONT>         */<a name="line.326"></a>
<FONT color="green">327</FONT>        public void removeSeries(Comparable seriesKey) {<a name="line.327"></a>
<FONT color="green">328</FONT>            int seriesIndex = indexOf(seriesKey);<a name="line.328"></a>
<FONT color="green">329</FONT>            if (seriesIndex &gt;= 0) {<a name="line.329"></a>
<FONT color="green">330</FONT>                this.seriesKeys.remove(seriesIndex);<a name="line.330"></a>
<FONT color="green">331</FONT>                this.seriesList.remove(seriesIndex);<a name="line.331"></a>
<FONT color="green">332</FONT>                notifyListeners(new DatasetChangeEvent(this, this));<a name="line.332"></a>
<FONT color="green">333</FONT>            }<a name="line.333"></a>
<FONT color="green">334</FONT>        }<a name="line.334"></a>
<FONT color="green">335</FONT>        <a name="line.335"></a>
<FONT color="green">336</FONT>        /**<a name="line.336"></a>
<FONT color="green">337</FONT>         * Tests this &lt;code&gt;DefaultXYDataset&lt;/code&gt; instance for equality with an<a name="line.337"></a>
<FONT color="green">338</FONT>         * arbitrary object.  This method returns &lt;code&gt;true&lt;/code&gt; if and only if:<a name="line.338"></a>
<FONT color="green">339</FONT>         * &lt;ul&gt;<a name="line.339"></a>
<FONT color="green">340</FONT>         * &lt;li&gt;&lt;code&gt;obj&lt;/code&gt; is not &lt;code&gt;null&lt;/code&gt;;&lt;/li&gt;<a name="line.340"></a>
<FONT color="green">341</FONT>         * &lt;li&gt;&lt;code&gt;obj&lt;/code&gt; is an instance of <a name="line.341"></a>
<FONT color="green">342</FONT>         *         &lt;code&gt;DefaultXYDataset&lt;/code&gt;;&lt;/li&gt;<a name="line.342"></a>
<FONT color="green">343</FONT>         * &lt;li&gt;both datasets have the same number of series, each containing <a name="line.343"></a>
<FONT color="green">344</FONT>         *         exactly the same values.&lt;/li&gt;<a name="line.344"></a>
<FONT color="green">345</FONT>         * &lt;/ul&gt;<a name="line.345"></a>
<FONT color="green">346</FONT>         * <a name="line.346"></a>
<FONT color="green">347</FONT>         * @param obj  the object (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.347"></a>
<FONT color="green">348</FONT>         * <a name="line.348"></a>
<FONT color="green">349</FONT>         * @return A boolean.<a name="line.349"></a>
<FONT color="green">350</FONT>         */<a name="line.350"></a>
<FONT color="green">351</FONT>        public boolean equals(Object obj) {<a name="line.351"></a>
<FONT color="green">352</FONT>            if (obj == this) {<a name="line.352"></a>
<FONT color="green">353</FONT>                return true;<a name="line.353"></a>
<FONT color="green">354</FONT>            }<a name="line.354"></a>
<FONT color="green">355</FONT>            if (!(obj instanceof DefaultXYZDataset)) {<a name="line.355"></a>
<FONT color="green">356</FONT>                return false;<a name="line.356"></a>
<FONT color="green">357</FONT>            }<a name="line.357"></a>
<FONT color="green">358</FONT>            DefaultXYZDataset that = (DefaultXYZDataset) obj;<a name="line.358"></a>
<FONT color="green">359</FONT>            if (!this.seriesKeys.equals(that.seriesKeys)) {<a name="line.359"></a>
<FONT color="green">360</FONT>                return false;<a name="line.360"></a>
<FONT color="green">361</FONT>            }<a name="line.361"></a>
<FONT color="green">362</FONT>            for (int i = 0; i &lt; this.seriesList.size(); i++) {<a name="line.362"></a>
<FONT color="green">363</FONT>                double[][] d1 = (double[][]) this.seriesList.get(i);<a name="line.363"></a>
<FONT color="green">364</FONT>                double[][] d2 = (double[][]) that.seriesList.get(i);<a name="line.364"></a>
<FONT color="green">365</FONT>                double[] d1x = d1[0];<a name="line.365"></a>
<FONT color="green">366</FONT>                double[] d2x = d2[0];<a name="line.366"></a>
<FONT color="green">367</FONT>                if (!Arrays.equals(d1x, d2x)) {<a name="line.367"></a>
<FONT color="green">368</FONT>                    return false;<a name="line.368"></a>
<FONT color="green">369</FONT>                }<a name="line.369"></a>
<FONT color="green">370</FONT>                double[] d1y = d1[1];<a name="line.370"></a>
<FONT color="green">371</FONT>                double[] d2y = d2[1];            <a name="line.371"></a>
<FONT color="green">372</FONT>                if (!Arrays.equals(d1y, d2y)) {<a name="line.372"></a>
<FONT color="green">373</FONT>                    return false;<a name="line.373"></a>
<FONT color="green">374</FONT>                }<a name="line.374"></a>
<FONT color="green">375</FONT>                double[] d1z = d1[2];<a name="line.375"></a>
<FONT color="green">376</FONT>                double[] d2z = d2[2];            <a name="line.376"></a>
<FONT color="green">377</FONT>                if (!Arrays.equals(d1z, d2z)) {<a name="line.377"></a>
<FONT color="green">378</FONT>                    return false;<a name="line.378"></a>
<FONT color="green">379</FONT>                }<a name="line.379"></a>
<FONT color="green">380</FONT>            }<a name="line.380"></a>
<FONT color="green">381</FONT>            return true;<a name="line.381"></a>
<FONT color="green">382</FONT>        }<a name="line.382"></a>
<FONT color="green">383</FONT>        <a name="line.383"></a>
<FONT color="green">384</FONT>        /**<a name="line.384"></a>
<FONT color="green">385</FONT>         * Creates an independent copy of this dataset.<a name="line.385"></a>
<FONT color="green">386</FONT>         * <a name="line.386"></a>
<FONT color="green">387</FONT>         * @return The cloned dataset.<a name="line.387"></a>
<FONT color="green">388</FONT>         * <a name="line.388"></a>
<FONT color="green">389</FONT>         * @throws CloneNotSupportedException if there is a problem cloning the<a name="line.389"></a>
<FONT color="green">390</FONT>         *     dataset (for instance, if a non-cloneable object is used for a<a name="line.390"></a>
<FONT color="green">391</FONT>         *     series key).<a name="line.391"></a>
<FONT color="green">392</FONT>         */<a name="line.392"></a>
<FONT color="green">393</FONT>        public Object clone() throws CloneNotSupportedException {<a name="line.393"></a>
<FONT color="green">394</FONT>            DefaultXYZDataset clone = (DefaultXYZDataset) super.clone();<a name="line.394"></a>
<FONT color="green">395</FONT>            clone.seriesKeys = new java.util.ArrayList(this.seriesKeys);<a name="line.395"></a>
<FONT color="green">396</FONT>            clone.seriesList = new ArrayList(this.seriesList.size());<a name="line.396"></a>
<FONT color="green">397</FONT>            for (int i = 0; i &lt; this.seriesList.size(); i++) {<a name="line.397"></a>
<FONT color="green">398</FONT>                double[][] data = (double[][]) this.seriesList.get(i);<a name="line.398"></a>
<FONT color="green">399</FONT>                double[] x = data[0];<a name="line.399"></a>
<FONT color="green">400</FONT>                double[] y = data[1];<a name="line.400"></a>
<FONT color="green">401</FONT>                double[] z = data[2];<a name="line.401"></a>
<FONT color="green">402</FONT>                double[] xx = new double[x.length];<a name="line.402"></a>
<FONT color="green">403</FONT>                double[] yy = new double[y.length];<a name="line.403"></a>
<FONT color="green">404</FONT>                double[] zz = new double[z.length];<a name="line.404"></a>
<FONT color="green">405</FONT>                System.arraycopy(x, 0, xx, 0, x.length);<a name="line.405"></a>
<FONT color="green">406</FONT>                System.arraycopy(y, 0, yy, 0, y.length);<a name="line.406"></a>
<FONT color="green">407</FONT>                System.arraycopy(z, 0, zz, 0, z.length);<a name="line.407"></a>
<FONT color="green">408</FONT>                clone.seriesList.add(i, new double[][] {xx, yy, zz});<a name="line.408"></a>
<FONT color="green">409</FONT>            }<a name="line.409"></a>
<FONT color="green">410</FONT>            return clone;<a name="line.410"></a>
<FONT color="green">411</FONT>        }<a name="line.411"></a>
<FONT color="green">412</FONT>    <a name="line.412"></a>
<FONT color="green">413</FONT>    }<a name="line.413"></a>




























































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