valueaxis.html

jfreechart1。0。2的api。

<FONT color="green">139</FONT>        <a name="line.139"></a>
<FONT color="green">140</FONT>        /** The default axis range. */<a name="line.140"></a>
<FONT color="green">141</FONT>        public static final Range DEFAULT_RANGE = new Range(0.0, 1.0);<a name="line.141"></a>
<FONT color="green">142</FONT>    <a name="line.142"></a>
<FONT color="green">143</FONT>        /** The default auto-range value. */<a name="line.143"></a>
<FONT color="green">144</FONT>        public static final boolean DEFAULT_AUTO_RANGE = true;<a name="line.144"></a>
<FONT color="green">145</FONT>    <a name="line.145"></a>
<FONT color="green">146</FONT>        /** The default inverted flag setting. */<a name="line.146"></a>
<FONT color="green">147</FONT>        public static final boolean DEFAULT_INVERTED = false;<a name="line.147"></a>
<FONT color="green">148</FONT>    <a name="line.148"></a>
<FONT color="green">149</FONT>        /** The default minimum auto range. */<a name="line.149"></a>
<FONT color="green">150</FONT>        public static final double DEFAULT_AUTO_RANGE_MINIMUM_SIZE = 0.00000001;<a name="line.150"></a>
<FONT color="green">151</FONT>    <a name="line.151"></a>
<FONT color="green">152</FONT>        /** The default value for the lower margin (0.05 = 5%). */<a name="line.152"></a>
<FONT color="green">153</FONT>        public static final double DEFAULT_LOWER_MARGIN = 0.05;<a name="line.153"></a>
<FONT color="green">154</FONT>    <a name="line.154"></a>
<FONT color="green">155</FONT>        /** The default value for the upper margin (0.05 = 5%). */<a name="line.155"></a>
<FONT color="green">156</FONT>        public static final double DEFAULT_UPPER_MARGIN = 0.05;<a name="line.156"></a>
<FONT color="green">157</FONT>    <a name="line.157"></a>
<FONT color="green">158</FONT>        /** The default lower bound for the axis. */<a name="line.158"></a>
<FONT color="green">159</FONT>        public static final double DEFAULT_LOWER_BOUND = 0.0;<a name="line.159"></a>
<FONT color="green">160</FONT>    <a name="line.160"></a>
<FONT color="green">161</FONT>        /** The default upper bound for the axis. */<a name="line.161"></a>
<FONT color="green">162</FONT>        public static final double DEFAULT_UPPER_BOUND = 1.0;<a name="line.162"></a>
<FONT color="green">163</FONT>    <a name="line.163"></a>
<FONT color="green">164</FONT>        /** The default auto-tick-unit-selection value. */<a name="line.164"></a>
<FONT color="green">165</FONT>        public static final boolean DEFAULT_AUTO_TICK_UNIT_SELECTION = true;<a name="line.165"></a>
<FONT color="green">166</FONT>    <a name="line.166"></a>
<FONT color="green">167</FONT>        /** The maximum tick count. */<a name="line.167"></a>
<FONT color="green">168</FONT>        public static final int MAXIMUM_TICK_COUNT = 500;<a name="line.168"></a>
<FONT color="green">169</FONT>        <a name="line.169"></a>
<FONT color="green">170</FONT>        /** <a name="line.170"></a>
<FONT color="green">171</FONT>         * A flag that controls whether an arrow is drawn at the positive end of <a name="line.171"></a>
<FONT color="green">172</FONT>         * the axis line. <a name="line.172"></a>
<FONT color="green">173</FONT>         */<a name="line.173"></a>
<FONT color="green">174</FONT>        private boolean positiveArrowVisible;<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>         * A flag that controls whether an arrow is drawn at the negative end of <a name="line.177"></a>
<FONT color="green">178</FONT>         * the axis line. <a name="line.178"></a>
<FONT color="green">179</FONT>         */<a name="line.179"></a>
<FONT color="green">180</FONT>        private boolean negativeArrowVisible;<a name="line.180"></a>
<FONT color="green">181</FONT>        <a name="line.181"></a>
<FONT color="green">182</FONT>        /** The shape used for an up arrow. */<a name="line.182"></a>
<FONT color="green">183</FONT>        private transient Shape upArrow;<a name="line.183"></a>
<FONT color="green">184</FONT>        <a name="line.184"></a>
<FONT color="green">185</FONT>        /** The shape used for a down arrow. */<a name="line.185"></a>
<FONT color="green">186</FONT>        private transient Shape downArrow;<a name="line.186"></a>
<FONT color="green">187</FONT>        <a name="line.187"></a>
<FONT color="green">188</FONT>        /** The shape used for a left arrow. */<a name="line.188"></a>
<FONT color="green">189</FONT>        private transient Shape leftArrow;<a name="line.189"></a>
<FONT color="green">190</FONT>        <a name="line.190"></a>
<FONT color="green">191</FONT>        /** The shape used for a right arrow. */<a name="line.191"></a>
<FONT color="green">192</FONT>        private transient Shape rightArrow;<a name="line.192"></a>
<FONT color="green">193</FONT>        <a name="line.193"></a>
<FONT color="green">194</FONT>        /** A flag that affects the orientation of the values on the axis. */<a name="line.194"></a>
<FONT color="green">195</FONT>        private boolean inverted;<a name="line.195"></a>
<FONT color="green">196</FONT>    <a name="line.196"></a>
<FONT color="green">197</FONT>        /** The axis range. */<a name="line.197"></a>
<FONT color="green">198</FONT>        private Range range;<a name="line.198"></a>
<FONT color="green">199</FONT>    <a name="line.199"></a>
<FONT color="green">200</FONT>        /** <a name="line.200"></a>
<FONT color="green">201</FONT>         * Flag that indicates whether the axis automatically scales to fit the <a name="line.201"></a>
<FONT color="green">202</FONT>         * chart data. <a name="line.202"></a>
<FONT color="green">203</FONT>         */<a name="line.203"></a>
<FONT color="green">204</FONT>        private boolean autoRange;<a name="line.204"></a>
<FONT color="green">205</FONT>    <a name="line.205"></a>
<FONT color="green">206</FONT>        /** The minimum size for the 'auto' axis range (excluding margins). */<a name="line.206"></a>
<FONT color="green">207</FONT>        private double autoRangeMinimumSize;<a name="line.207"></a>
<FONT color="green">208</FONT>    <a name="line.208"></a>
<FONT color="green">209</FONT>        /**<a name="line.209"></a>
<FONT color="green">210</FONT>         * The upper margin percentage.  This indicates the amount by which the <a name="line.210"></a>
<FONT color="green">211</FONT>         * maximum axis value exceeds the maximum data value (as a percentage of <a name="line.211"></a>
<FONT color="green">212</FONT>         * the range on the axis) when the axis range is determined automatically.<a name="line.212"></a>
<FONT color="green">213</FONT>         */<a name="line.213"></a>
<FONT color="green">214</FONT>        private double upperMargin;<a name="line.214"></a>
<FONT color="green">215</FONT>    <a name="line.215"></a>
<FONT color="green">216</FONT>        /**<a name="line.216"></a>
<FONT color="green">217</FONT>         * The lower margin.  This is a percentage that indicates the amount by<a name="line.217"></a>
<FONT color="green">218</FONT>         * which the minimum axis value is "less than" the minimum data value when<a name="line.218"></a>
<FONT color="green">219</FONT>         * the axis range is determined automatically.<a name="line.219"></a>
<FONT color="green">220</FONT>         */<a name="line.220"></a>
<FONT color="green">221</FONT>        private double lowerMargin;<a name="line.221"></a>
<FONT color="green">222</FONT>    <a name="line.222"></a>
<FONT color="green">223</FONT>        /**<a name="line.223"></a>
<FONT color="green">224</FONT>         * If this value is positive, the amount is subtracted from the maximum<a name="line.224"></a>
<FONT color="green">225</FONT>         * data value to determine the lower axis range.  This can be used to<a name="line.225"></a>
<FONT color="green">226</FONT>         * provide a fixed "window" on dynamic data.<a name="line.226"></a>
<FONT color="green">227</FONT>         */<a name="line.227"></a>
<FONT color="green">228</FONT>        private double fixedAutoRange;<a name="line.228"></a>
<FONT color="green">229</FONT>    <a name="line.229"></a>
<FONT color="green">230</FONT>        /** <a name="line.230"></a>
<FONT color="green">231</FONT>         * Flag that indicates whether or not the tick unit is selected <a name="line.231"></a>
<FONT color="green">232</FONT>         * automatically. <a name="line.232"></a>
<FONT color="green">233</FONT>         */<a name="line.233"></a>
<FONT color="green">234</FONT>        private boolean autoTickUnitSelection;<a name="line.234"></a>
<FONT color="green">235</FONT>    <a name="line.235"></a>
<FONT color="green">236</FONT>        /** The standard tick units for the axis. */<a name="line.236"></a>
<FONT color="green">237</FONT>        private TickUnitSource standardTickUnits;<a name="line.237"></a>
<FONT color="green">238</FONT>    <a name="line.238"></a>
<FONT color="green">239</FONT>        /** An index into an array of standard tick values. */<a name="line.239"></a>
<FONT color="green">240</FONT>        private int autoTickIndex;<a name="line.240"></a>
<FONT color="green">241</FONT>        <a name="line.241"></a>
<FONT color="green">242</FONT>        /** A flag indicating whether or not tick labels are rotated to vertical. */<a name="line.242"></a>
<FONT color="green">243</FONT>        private boolean verticalTickLabels;<a name="line.243"></a>
<FONT color="green">244</FONT>    <a name="line.244"></a>
<FONT color="green">245</FONT>        /**<a name="line.245"></a>
<FONT color="green">246</FONT>         * Constructs a value axis.<a name="line.246"></a>
<FONT color="green">247</FONT>         *<a name="line.247"></a>
<FONT color="green">248</FONT>         * @param label  the axis label.<a name="line.248"></a>
<FONT color="green">249</FONT>         * @param standardTickUnits  the source for standard tick units <a name="line.249"></a>
<FONT color="green">250</FONT>         *                           (&lt;code&gt;null&lt;/code&gt; permitted).<a name="line.250"></a>
<FONT color="green">251</FONT>         */<a name="line.251"></a>
<FONT color="green">252</FONT>        protected ValueAxis(String label, TickUnitSource standardTickUnits) {<a name="line.252"></a>
<FONT color="green">253</FONT>    <a name="line.253"></a>
<FONT color="green">254</FONT>            super(label);<a name="line.254"></a>
<FONT color="green">255</FONT>    <a name="line.255"></a>
<FONT color="green">256</FONT>            this.positiveArrowVisible = false;<a name="line.256"></a>
<FONT color="green">257</FONT>            this.negativeArrowVisible = false;<a name="line.257"></a>
<FONT color="green">258</FONT>    <a name="line.258"></a>
<FONT color="green">259</FONT>            this.range = DEFAULT_RANGE;<a name="line.259"></a>
<FONT color="green">260</FONT>            this.autoRange = DEFAULT_AUTO_RANGE;<a name="line.260"></a>
<FONT color="green">261</FONT>    <a name="line.261"></a>
<FONT color="green">262</FONT>            this.inverted = DEFAULT_INVERTED;<a name="line.262"></a>
<FONT color="green">263</FONT>            this.autoRangeMinimumSize = DEFAULT_AUTO_RANGE_MINIMUM_SIZE;<a name="line.263"></a>
<FONT color="green">264</FONT>    <a name="line.264"></a>
<FONT color="green">265</FONT>            this.lowerMargin = DEFAULT_LOWER_MARGIN;<a name="line.265"></a>
<FONT color="green">266</FONT>            this.upperMargin = DEFAULT_UPPER_MARGIN;<a name="line.266"></a>
<FONT color="green">267</FONT>    <a name="line.267"></a>
<FONT color="green">268</FONT>            this.fixedAutoRange = 0.0;<a name="line.268"></a>
<FONT color="green">269</FONT>    <a name="line.269"></a>
<FONT color="green">270</FONT>            this.autoTickUnitSelection = DEFAULT_AUTO_TICK_UNIT_SELECTION;<a name="line.270"></a>
<FONT color="green">271</FONT>            this.standardTickUnits = standardTickUnits;<a name="line.271"></a>
<FONT color="green">272</FONT>            <a name="line.272"></a>
<FONT color="green">273</FONT>            Polygon p1 = new Polygon();<a name="line.273"></a>
<FONT color="green">274</FONT>            p1.addPoint(0, 0);<a name="line.274"></a>
<FONT color="green">275</FONT>            p1.addPoint(-2, 2);<a name="line.275"></a>
<FONT color="green">276</FONT>            p1.addPoint(2, 2);<a name="line.276"></a>
<FONT color="green">277</FONT>            <a name="line.277"></a>
<FONT color="green">278</FONT>            this.upArrow = p1;<a name="line.278"></a>
<FONT color="green">279</FONT>    <a name="line.279"></a>