polarplot.html

jfreechart1。0。2的api。

<FONT color="green">144</FONT>        private PolarItemRenderer renderer;<a name="line.144"></a>
<FONT color="green">145</FONT>       <a name="line.145"></a>
<FONT color="green">146</FONT>        /** A flag that controls whether or not the angle labels are visible. */<a name="line.146"></a>
<FONT color="green">147</FONT>        private boolean angleLabelsVisible = true;<a name="line.147"></a>
<FONT color="green">148</FONT>        <a name="line.148"></a>
<FONT color="green">149</FONT>        /** The font used to display the angle labels - never null. */<a name="line.149"></a>
<FONT color="green">150</FONT>        private Font angleLabelFont = new Font("SansSerif", Font.PLAIN, 12);<a name="line.150"></a>
<FONT color="green">151</FONT>        <a name="line.151"></a>
<FONT color="green">152</FONT>        /** The paint used to display the angle labels. */<a name="line.152"></a>
<FONT color="green">153</FONT>        private Paint angleLabelPaint = Color.black;<a name="line.153"></a>
<FONT color="green">154</FONT>        <a name="line.154"></a>
<FONT color="green">155</FONT>        /** A flag that controls whether the angular grid-lines are visible. */<a name="line.155"></a>
<FONT color="green">156</FONT>        private boolean angleGridlinesVisible;<a name="line.156"></a>
<FONT color="green">157</FONT>       <a name="line.157"></a>
<FONT color="green">158</FONT>        /** The stroke used to draw the angular grid-lines. */<a name="line.158"></a>
<FONT color="green">159</FONT>        private transient Stroke angleGridlineStroke;<a name="line.159"></a>
<FONT color="green">160</FONT>       <a name="line.160"></a>
<FONT color="green">161</FONT>        /** The paint used to draw the angular grid-lines. */<a name="line.161"></a>
<FONT color="green">162</FONT>        private transient Paint angleGridlinePaint;<a name="line.162"></a>
<FONT color="green">163</FONT>       <a name="line.163"></a>
<FONT color="green">164</FONT>        /** A flag that controls whether the radius grid-lines are visible. */<a name="line.164"></a>
<FONT color="green">165</FONT>        private boolean radiusGridlinesVisible;<a name="line.165"></a>
<FONT color="green">166</FONT>       <a name="line.166"></a>
<FONT color="green">167</FONT>        /** The stroke used to draw the radius grid-lines. */<a name="line.167"></a>
<FONT color="green">168</FONT>        private transient Stroke radiusGridlineStroke;<a name="line.168"></a>
<FONT color="green">169</FONT>       <a name="line.169"></a>
<FONT color="green">170</FONT>        /** The paint used to draw the radius grid-lines. */<a name="line.170"></a>
<FONT color="green">171</FONT>        private transient Paint radiusGridlinePaint;<a name="line.171"></a>
<FONT color="green">172</FONT>       <a name="line.172"></a>
<FONT color="green">173</FONT>        /** The annotations for the plot. */<a name="line.173"></a>
<FONT color="green">174</FONT>        private List cornerTextItems = new ArrayList();<a name="line.174"></a>
<FONT color="green">175</FONT>       <a name="line.175"></a>
<FONT color="green">176</FONT>        // --------------------<a name="line.176"></a>
<FONT color="green">177</FONT>        // --- Constructors ---<a name="line.177"></a>
<FONT color="green">178</FONT>        // --------------------<a name="line.178"></a>
<FONT color="green">179</FONT>        /**<a name="line.179"></a>
<FONT color="green">180</FONT>         * Default constructor.<a name="line.180"></a>
<FONT color="green">181</FONT>         */<a name="line.181"></a>
<FONT color="green">182</FONT>        public PolarPlot() {<a name="line.182"></a>
<FONT color="green">183</FONT>            this(null, null, null);<a name="line.183"></a>
<FONT color="green">184</FONT>        }<a name="line.184"></a>
<FONT color="green">185</FONT>       <a name="line.185"></a>
<FONT color="green">186</FONT>       /**<a name="line.186"></a>
<FONT color="green">187</FONT>         * Creates a new plot.<a name="line.187"></a>
<FONT color="green">188</FONT>         *<a name="line.188"></a>
<FONT color="green">189</FONT>         * @param dataset  the dataset (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.189"></a>
<FONT color="green">190</FONT>         * @param radiusAxis  the radius axis (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.190"></a>
<FONT color="green">191</FONT>         * @param renderer  the renderer (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.191"></a>
<FONT color="green">192</FONT>         */<a name="line.192"></a>
<FONT color="green">193</FONT>        public PolarPlot(XYDataset dataset, <a name="line.193"></a>
<FONT color="green">194</FONT>                         ValueAxis radiusAxis,<a name="line.194"></a>
<FONT color="green">195</FONT>                         PolarItemRenderer renderer) {<a name="line.195"></a>
<FONT color="green">196</FONT>          <a name="line.196"></a>
<FONT color="green">197</FONT>            super();<a name="line.197"></a>
<FONT color="green">198</FONT>                <a name="line.198"></a>
<FONT color="green">199</FONT>            this.dataset = dataset;<a name="line.199"></a>
<FONT color="green">200</FONT>            if (this.dataset != null) {<a name="line.200"></a>
<FONT color="green">201</FONT>                this.dataset.addChangeListener(this);<a name="line.201"></a>
<FONT color="green">202</FONT>            }<a name="line.202"></a>
<FONT color="green">203</FONT>          <a name="line.203"></a>
<FONT color="green">204</FONT>            this.angleTicks = new java.util.ArrayList();<a name="line.204"></a>
<FONT color="green">205</FONT>            this.angleTicks.add(new NumberTick(new Double(0.0), "0", <a name="line.205"></a>
<FONT color="green">206</FONT>                    TextAnchor.CENTER, TextAnchor.CENTER, 0.0));<a name="line.206"></a>
<FONT color="green">207</FONT>            this.angleTicks.add(new NumberTick(new Double(45.0), "45", <a name="line.207"></a>
<FONT color="green">208</FONT>                    TextAnchor.CENTER, TextAnchor.CENTER, 0.0));<a name="line.208"></a>
<FONT color="green">209</FONT>            this.angleTicks.add(new NumberTick(new Double(90.0), "90", <a name="line.209"></a>
<FONT color="green">210</FONT>                    TextAnchor.CENTER, TextAnchor.CENTER, 0.0));<a name="line.210"></a>
<FONT color="green">211</FONT>            this.angleTicks.add(new NumberTick(new Double(135.0), "135", <a name="line.211"></a>
<FONT color="green">212</FONT>                    TextAnchor.CENTER, TextAnchor.CENTER, 0.0));<a name="line.212"></a>
<FONT color="green">213</FONT>            this.angleTicks.add(new NumberTick(new Double(180.0), "180", <a name="line.213"></a>
<FONT color="green">214</FONT>                    TextAnchor.CENTER, TextAnchor.CENTER, 0.0));<a name="line.214"></a>
<FONT color="green">215</FONT>            this.angleTicks.add(new NumberTick(new Double(225.0), "225", <a name="line.215"></a>
<FONT color="green">216</FONT>                    TextAnchor.CENTER, TextAnchor.CENTER, 0.0));<a name="line.216"></a>
<FONT color="green">217</FONT>            this.angleTicks.add(new NumberTick(new Double(270.0), "270", <a name="line.217"></a>
<FONT color="green">218</FONT>                    TextAnchor.CENTER, TextAnchor.CENTER, 0.0));<a name="line.218"></a>
<FONT color="green">219</FONT>            this.angleTicks.add(new NumberTick(new Double(315.0), "315", <a name="line.219"></a>
<FONT color="green">220</FONT>                    TextAnchor.CENTER, TextAnchor.CENTER, 0.0));<a name="line.220"></a>
<FONT color="green">221</FONT>            <a name="line.221"></a>
<FONT color="green">222</FONT>            this.axis = radiusAxis;<a name="line.222"></a>
<FONT color="green">223</FONT>            if (this.axis != null) {<a name="line.223"></a>
<FONT color="green">224</FONT>                this.axis.setPlot(this);<a name="line.224"></a>
<FONT color="green">225</FONT>                this.axis.addChangeListener(this);<a name="line.225"></a>
<FONT color="green">226</FONT>            }<a name="line.226"></a>
<FONT color="green">227</FONT>          <a name="line.227"></a>
<FONT color="green">228</FONT>            this.renderer = renderer;<a name="line.228"></a>
<FONT color="green">229</FONT>            if (this.renderer != null) {<a name="line.229"></a>
<FONT color="green">230</FONT>                this.renderer.setPlot(this);<a name="line.230"></a>
<FONT color="green">231</FONT>                this.renderer.addChangeListener(this);<a name="line.231"></a>
<FONT color="green">232</FONT>            }<a name="line.232"></a>
<FONT color="green">233</FONT>          <a name="line.233"></a>
<FONT color="green">234</FONT>            this.angleGridlinesVisible = true;<a name="line.234"></a>
<FONT color="green">235</FONT>            this.angleGridlineStroke = DEFAULT_GRIDLINE_STROKE;<a name="line.235"></a>
<FONT color="green">236</FONT>            this.angleGridlinePaint = DEFAULT_GRIDLINE_PAINT;<a name="line.236"></a>
<FONT color="green">237</FONT>          <a name="line.237"></a>
<FONT color="green">238</FONT>            this.radiusGridlinesVisible = true;<a name="line.238"></a>
<FONT color="green">239</FONT>            this.radiusGridlineStroke = DEFAULT_GRIDLINE_STROKE;<a name="line.239"></a>
<FONT color="green">240</FONT>            this.radiusGridlinePaint = DEFAULT_GRIDLINE_PAINT;      <a name="line.240"></a>
<FONT color="green">241</FONT>        }<a name="line.241"></a>
<FONT color="green">242</FONT>       <a name="line.242"></a>
<FONT color="green">243</FONT>        /**<a name="line.243"></a>
<FONT color="green">244</FONT>         * Add text to be displayed in the lower right hand corner.<a name="line.244"></a>
<FONT color="green">245</FONT>         * <a name="line.245"></a>
<FONT color="green">246</FONT>         * @param text  the text to display (&lt;code&gt;null&lt;/code&gt; not permitted).<a name="line.246"></a>
<FONT color="green">247</FONT>         */<a name="line.247"></a>
<FONT color="green">248</FONT>        public void addCornerTextItem(String text) {<a name="line.248"></a>
<FONT color="green">249</FONT>            if (text == null) {<a name="line.249"></a>
<FONT color="green">250</FONT>                throw new IllegalArgumentException("Null 'text' argument.");<a name="line.250"></a>
<FONT color="green">251</FONT>            }<a name="line.251"></a>
<FONT color="green">252</FONT>            this.cornerTextItems.add(text);<a name="line.252"></a>
<FONT color="green">253</FONT>            this.notifyListeners(new PlotChangeEvent(this));<a name="line.253"></a>
<FONT color="green">254</FONT>        }<a name="line.254"></a>
<FONT color="green">255</FONT>       <a name="line.255"></a>
<FONT color="green">256</FONT>        /**<a name="line.256"></a>
<FONT color="green">257</FONT>         * Remove the given text from the list of corner text items.<a name="line.257"></a>
<FONT color="green">258</FONT>         * <a name="line.258"></a>
<FONT color="green">259</FONT>         * @param text  the text to remove (&lt;code&gt;null&lt;/code&gt; ignored).<a name="line.259"></a>
<FONT color="green">260</FONT>         */<a name="line.260"></a>
<FONT color="green">261</FONT>        public void removeCornerTextItem(String text) {<a name="line.261"></a>
<FONT color="green">262</FONT>            boolean removed = this.cornerTextItems.remove(text);<a name="line.262"></a>
<FONT color="green">263</FONT>            if (removed) {<a name="line.263"></a>
<FONT color="green">264</FONT>                this.notifyListeners(new PlotChangeEvent(this));        <a name="line.264"></a>
<FONT color="green">265</FONT>            }<a name="line.265"></a>
<FONT color="green">266</FONT>        }<a name="line.266"></a>
<FONT color="green">267</FONT>       <a name="line.267"></a>
<FONT color="green">268</FONT>        /**<a name="line.268"></a>
<FONT color="green">269</FONT>         * Clear the list of corner text items.<a name="line.269"></a>
<FONT color="green">270</FONT>         */<a name="line.270"></a>
<FONT color="green">271</FONT>        public void clearCornerTextItems() {<a name="line.271"></a>
<FONT color="green">272</FONT>            if (this.cornerTextItems.size() &gt; 0) {<a name="line.272"></a>
<FONT color="green">273</FONT>                this.cornerTextItems.clear();<a name="line.273"></a>
<FONT color="green">274</FONT>                this.notifyListeners(new PlotChangeEvent(this));        <a name="line.274"></a>
<FONT color="green">275</FONT>            }<a name="line.275"></a>
<FONT color="green">276</FONT>        }<a name="line.276"></a>
<FONT color="green">277</FONT>       <a name="line.277"></a>
<FONT color="green">278</FONT>        /**<a name="line.278"></a>
<FONT color="green">279</FONT>         * Returns the plot type as a string.<a name="line.279"></a>
<FONT color="green">280</FONT>         *<a name="line.280"></a>
<FONT color="green">281</FONT>         * @return A short string describing the type of plot.<a name="line.281"></a>
<FONT color="green">282</FONT>         */<a name="line.282"></a>
<FONT color="green">283</FONT>        public String getPlotType() {<a name="line.283"></a>
<FONT color="green">284</FONT>           return PolarPlot.localizationResources.getString("Polar_Plot");<a name="line.284"></a>
<FONT color="green">285</FONT>        }<a name="line.285"></a>
<FONT color="green">286</FONT>        <a name="line.286"></a>
<FONT color="green">287</FONT>        /**<a name="line.287"></a>
<FONT color="green">288</FONT>         * Returns the axis for the plot.<a name="line.288"></a>
<FONT color="green">289</FONT>         *<a name="line.289"></a>