polarplot.html

jfreechart1。0。2的api。

<FONT color="green">290</FONT>         * @return The radius axis.<a name="line.290"></a>
<FONT color="green">291</FONT>         */<a name="line.291"></a>
<FONT color="green">292</FONT>        public ValueAxis getAxis() {<a name="line.292"></a>
<FONT color="green">293</FONT>            return this.axis;<a name="line.293"></a>
<FONT color="green">294</FONT>        }<a name="line.294"></a>
<FONT color="green">295</FONT>       <a name="line.295"></a>
<FONT color="green">296</FONT>        /**<a name="line.296"></a>
<FONT color="green">297</FONT>         * Sets the axis for the plot and sends a {@link PlotChangeEvent} to all<a name="line.297"></a>
<FONT color="green">298</FONT>         * registered listeners.<a name="line.298"></a>
<FONT color="green">299</FONT>         *<a name="line.299"></a>
<FONT color="green">300</FONT>         * @param axis  the new axis (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.300"></a>
<FONT color="green">301</FONT>         */<a name="line.301"></a>
<FONT color="green">302</FONT>        public void setAxis(ValueAxis axis) {<a name="line.302"></a>
<FONT color="green">303</FONT>            if (axis != null) {<a name="line.303"></a>
<FONT color="green">304</FONT>                axis.setPlot(this);<a name="line.304"></a>
<FONT color="green">305</FONT>            }<a name="line.305"></a>
<FONT color="green">306</FONT>           <a name="line.306"></a>
<FONT color="green">307</FONT>            // plot is likely registered as a listener with the existing axis...<a name="line.307"></a>
<FONT color="green">308</FONT>            if (this.axis != null) {<a name="line.308"></a>
<FONT color="green">309</FONT>                this.axis.removeChangeListener(this);<a name="line.309"></a>
<FONT color="green">310</FONT>            }<a name="line.310"></a>
<FONT color="green">311</FONT>           <a name="line.311"></a>
<FONT color="green">312</FONT>            this.axis = axis;<a name="line.312"></a>
<FONT color="green">313</FONT>            if (this.axis != null) {<a name="line.313"></a>
<FONT color="green">314</FONT>                this.axis.configure();<a name="line.314"></a>
<FONT color="green">315</FONT>                this.axis.addChangeListener(this);<a name="line.315"></a>
<FONT color="green">316</FONT>            }<a name="line.316"></a>
<FONT color="green">317</FONT>            notifyListeners(new PlotChangeEvent(this));<a name="line.317"></a>
<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>         * Returns the primary dataset for the plot.<a name="line.321"></a>
<FONT color="green">322</FONT>         *<a name="line.322"></a>
<FONT color="green">323</FONT>         * @return The primary dataset (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.323"></a>
<FONT color="green">324</FONT>         */<a name="line.324"></a>
<FONT color="green">325</FONT>        public XYDataset getDataset() {<a name="line.325"></a>
<FONT color="green">326</FONT>            return this.dataset;<a name="line.326"></a>
<FONT color="green">327</FONT>        }<a name="line.327"></a>
<FONT color="green">328</FONT>        <a name="line.328"></a>
<FONT color="green">329</FONT>        /**<a name="line.329"></a>
<FONT color="green">330</FONT>         * Sets the dataset for the plot, replacing the existing dataset if there <a name="line.330"></a>
<FONT color="green">331</FONT>         * is one.<a name="line.331"></a>
<FONT color="green">332</FONT>         *<a name="line.332"></a>
<FONT color="green">333</FONT>         * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.333"></a>
<FONT color="green">334</FONT>         */<a name="line.334"></a>
<FONT color="green">335</FONT>        public void setDataset(XYDataset dataset) {<a name="line.335"></a>
<FONT color="green">336</FONT>            // if there is an existing dataset, remove the plot from the list of <a name="line.336"></a>
<FONT color="green">337</FONT>            // change listeners...<a name="line.337"></a>
<FONT color="green">338</FONT>            XYDataset existing = this.dataset;<a name="line.338"></a>
<FONT color="green">339</FONT>            if (existing != null) {<a name="line.339"></a>
<FONT color="green">340</FONT>                existing.removeChangeListener(this);<a name="line.340"></a>
<FONT color="green">341</FONT>            }<a name="line.341"></a>
<FONT color="green">342</FONT>           <a name="line.342"></a>
<FONT color="green">343</FONT>            // set the new m_Dataset, and register the chart as a change listener...<a name="line.343"></a>
<FONT color="green">344</FONT>            this.dataset = dataset;<a name="line.344"></a>
<FONT color="green">345</FONT>            if (this.dataset != null) {<a name="line.345"></a>
<FONT color="green">346</FONT>                setDatasetGroup(this.dataset.getGroup());<a name="line.346"></a>
<FONT color="green">347</FONT>                this.dataset.addChangeListener(this);<a name="line.347"></a>
<FONT color="green">348</FONT>            }<a name="line.348"></a>
<FONT color="green">349</FONT>           <a name="line.349"></a>
<FONT color="green">350</FONT>            // send a m_Dataset change event to self...<a name="line.350"></a>
<FONT color="green">351</FONT>            DatasetChangeEvent event = new DatasetChangeEvent(this, this.dataset);<a name="line.351"></a>
<FONT color="green">352</FONT>            datasetChanged(event);<a name="line.352"></a>
<FONT color="green">353</FONT>        }<a name="line.353"></a>
<FONT color="green">354</FONT>       <a name="line.354"></a>
<FONT color="green">355</FONT>        /**<a name="line.355"></a>
<FONT color="green">356</FONT>         * Returns the item renderer.<a name="line.356"></a>
<FONT color="green">357</FONT>         *<a name="line.357"></a>
<FONT color="green">358</FONT>         * @return The renderer (possibly &lt;code&gt;null&lt;/code&gt;).<a name="line.358"></a>
<FONT color="green">359</FONT>         */<a name="line.359"></a>
<FONT color="green">360</FONT>        public PolarItemRenderer getRenderer() {<a name="line.360"></a>
<FONT color="green">361</FONT>            return this.renderer;<a name="line.361"></a>
<FONT color="green">362</FONT>        }<a name="line.362"></a>
<FONT color="green">363</FONT>       <a name="line.363"></a>
<FONT color="green">364</FONT>        /**<a name="line.364"></a>
<FONT color="green">365</FONT>         * Sets the item renderer, and notifies all listeners of a change to the <a name="line.365"></a>
<FONT color="green">366</FONT>         * plot.<a name="line.366"></a>
<FONT color="green">367</FONT>         * &lt;P&gt;<a name="line.367"></a>
<FONT color="green">368</FONT>         * If the renderer is set to &lt;code&gt;null&lt;/code&gt;, no chart will be drawn.<a name="line.368"></a>
<FONT color="green">369</FONT>         *<a name="line.369"></a>
<FONT color="green">370</FONT>         * @param renderer  the new renderer (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.370"></a>
<FONT color="green">371</FONT>         */<a name="line.371"></a>
<FONT color="green">372</FONT>        public void setRenderer(PolarItemRenderer renderer) {<a name="line.372"></a>
<FONT color="green">373</FONT>            if (this.renderer != null) {<a name="line.373"></a>
<FONT color="green">374</FONT>                this.renderer.removeChangeListener(this);<a name="line.374"></a>
<FONT color="green">375</FONT>            }<a name="line.375"></a>
<FONT color="green">376</FONT>           <a name="line.376"></a>
<FONT color="green">377</FONT>            this.renderer = renderer;<a name="line.377"></a>
<FONT color="green">378</FONT>            if (this.renderer != null) {<a name="line.378"></a>
<FONT color="green">379</FONT>                this.renderer.setPlot(this);<a name="line.379"></a>
<FONT color="green">380</FONT>            }<a name="line.380"></a>
<FONT color="green">381</FONT>           <a name="line.381"></a>
<FONT color="green">382</FONT>            notifyListeners(new PlotChangeEvent(this));<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>        /**<a name="line.385"></a>
<FONT color="green">386</FONT>         * Returns a flag that controls whether or not the angle labels are visible.<a name="line.386"></a>
<FONT color="green">387</FONT>         * <a name="line.387"></a>
<FONT color="green">388</FONT>         * @return A boolean.<a name="line.388"></a>
<FONT color="green">389</FONT>         */<a name="line.389"></a>
<FONT color="green">390</FONT>        public boolean isAngleLabelsVisible() {<a name="line.390"></a>
<FONT color="green">391</FONT>            return this.angleLabelsVisible;<a name="line.391"></a>
<FONT color="green">392</FONT>        }<a name="line.392"></a>
<FONT color="green">393</FONT>        <a name="line.393"></a>
<FONT color="green">394</FONT>        /**<a name="line.394"></a>
<FONT color="green">395</FONT>         * Sets the flag that controls whether or not the angle labels are visible,<a name="line.395"></a>
<FONT color="green">396</FONT>         * and sends a {@link PlotChangeEvent} to all registered listeners.<a name="line.396"></a>
<FONT color="green">397</FONT>         * <a name="line.397"></a>
<FONT color="green">398</FONT>         * @param visible  the flag.<a name="line.398"></a>
<FONT color="green">399</FONT>         */<a name="line.399"></a>
<FONT color="green">400</FONT>        public void setAngleLabelsVisible(boolean visible) {<a name="line.400"></a>
<FONT color="green">401</FONT>            if (this.angleLabelsVisible != visible) {<a name="line.401"></a>
<FONT color="green">402</FONT>                this.angleLabelsVisible = visible;<a name="line.402"></a>
<FONT color="green">403</FONT>                notifyListeners(new PlotChangeEvent(this));<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>        <a name="line.406"></a>
<FONT color="green">407</FONT>        /**<a name="line.407"></a>
<FONT color="green">408</FONT>         * Returns the font used to display the angle labels.<a name="line.408"></a>
<FONT color="green">409</FONT>         * <a name="line.409"></a>
<FONT color="green">410</FONT>         * @return A font (never &lt;code&gt;null&lt;/code&gt;).<a name="line.410"></a>
<FONT color="green">411</FONT>         */<a name="line.411"></a>
<FONT color="green">412</FONT>        public Font getAngleLabelFont() {<a name="line.412"></a>
<FONT color="green">413</FONT>            return this.angleLabelFont;<a name="line.413"></a>
<FONT color="green">414</FONT>        }<a name="line.414"></a>
<FONT color="green">415</FONT>        <a name="line.415"></a>
<FONT color="green">416</FONT>        /**<a name="line.416"></a>
<FONT color="green">417</FONT>         * Sets the font used to display the angle labels and sends a <a name="line.417"></a>
<FONT color="green">418</FONT>         * {@link PlotChangeEvent} to all registered listeners.<a name="line.418"></a>
<FONT color="green">419</FONT>         * <a name="line.419"></a>
<FONT color="green">420</FONT>         * @param font  the font (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.420"></a>
<FONT color="green">421</FONT>         */<a name="line.421"></a>
<FONT color="green">422</FONT>        public void setAngleLabelFont(Font font) {<a name="line.422"></a>
<FONT color="green">423</FONT>            if (font == null) {<a name="line.423"></a>
<FONT color="green">424</FONT>                throw new IllegalArgumentException("Null 'font' argument.");   <a name="line.424"></a>
<FONT color="green">425</FONT>            }<a name="line.425"></a>
<FONT color="green">426</FONT>            this.angleLabelFont = font;<a name="line.426"></a>
<FONT color="green">427</FONT>            notifyListeners(new PlotChangeEvent(this));<a name="line.427"></a>
<FONT color="green">428</FONT>        }<a name="line.428"></a>
<FONT color="green">429</FONT>        <a name="line.429"></a>
<FONT color="green">430</FONT>        /**<a name="line.430"></a>
<FONT color="green">431</FONT>         * Returns the paint used to display the angle labels.<a name="line.431"></a>
<FONT color="green">432</FONT>         * <a name="line.432"></a>
<FONT color="green">433</FONT>         * @return A paint.<a name="line.433"></a>
<FONT color="green">434</FONT>         */<a name="line.434"></a>
<FONT color="green">435</FONT>        public Paint getAngleLabelPaint() {<a name="line.435"></a>