📄 defaultcontourdataset.html
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<FONT color="green">193</FONT> <a name="line.193"></a><FONT color="green">194</FONT> /**<a name="line.194"></a><FONT color="green">195</FONT> * Creates an object array from an array of doubles.<a name="line.195"></a><FONT color="green">196</FONT> *<a name="line.196"></a><FONT color="green">197</FONT> * @param data the data.<a name="line.197"></a><FONT color="green">198</FONT> *<a name="line.198"></a><FONT color="green">199</FONT> * @return An array of <code>Double</code> objects.<a name="line.199"></a><FONT color="green">200</FONT> */<a name="line.200"></a><FONT color="green">201</FONT> public static Object[] formObjectArray(double[] data) {<a name="line.201"></a><FONT color="green">202</FONT> Object[] object = new Double[data.length];<a name="line.202"></a><FONT color="green">203</FONT> for (int i = 0; i < object.length; i++) {<a name="line.203"></a><FONT color="green">204</FONT> object[i] = new Double(data[i]);<a name="line.204"></a><FONT color="green">205</FONT> }<a name="line.205"></a><FONT color="green">206</FONT> return object;<a name="line.206"></a><FONT color="green">207</FONT> }<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> * Returns the number of items in the specified series. This method <a name="line.210"></a><FONT color="green">211</FONT> * is provided to satisfy the {@link XYDataset} interface implementation.<a name="line.211"></a><FONT color="green">212</FONT> *<a name="line.212"></a><FONT color="green">213</FONT> * @param series must be zero, as this dataset only supports one series.<a name="line.213"></a><FONT color="green">214</FONT> *<a name="line.214"></a><FONT color="green">215</FONT> * @return The item count.<a name="line.215"></a><FONT color="green">216</FONT> */<a name="line.216"></a><FONT color="green">217</FONT> public int getItemCount(int series) {<a name="line.217"></a><FONT color="green">218</FONT> if (series > 0) {<a name="line.218"></a><FONT color="green">219</FONT> throw new IllegalArgumentException("Only one series for contour");<a name="line.219"></a><FONT color="green">220</FONT> }<a name="line.220"></a><FONT color="green">221</FONT> return this.zValues.length;<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> /**<a name="line.224"></a><FONT color="green">225</FONT> * Returns the maximum z-value.<a name="line.225"></a><FONT color="green">226</FONT> *<a name="line.226"></a><FONT color="green">227</FONT> * @return The maximum z-value.<a name="line.227"></a><FONT color="green">228</FONT> */<a name="line.228"></a><FONT color="green">229</FONT> public double getMaxZValue() {<a name="line.229"></a><FONT color="green">230</FONT> double zMax = -1.e20;<a name="line.230"></a><FONT color="green">231</FONT> for (int k = 0; k < this.zValues.length; k++) {<a name="line.231"></a><FONT color="green">232</FONT> if (this.zValues[k] != null) {<a name="line.232"></a><FONT color="green">233</FONT> zMax = Math.max(zMax, this.zValues[k].doubleValue());<a name="line.233"></a><FONT color="green">234</FONT> }<a name="line.234"></a><FONT color="green">235</FONT> }<a name="line.235"></a><FONT color="green">236</FONT> return zMax;<a name="line.236"></a><FONT color="green">237</FONT> }<a name="line.237"></a><FONT color="green">238</FONT> <a name="line.238"></a><FONT color="green">239</FONT> /**<a name="line.239"></a><FONT color="green">240</FONT> * Returns the minimum z-value.<a name="line.240"></a><FONT color="green">241</FONT> *<a name="line.241"></a><FONT color="green">242</FONT> * @return The minimum z-value.<a name="line.242"></a><FONT color="green">243</FONT> */<a name="line.243"></a><FONT color="green">244</FONT> public double getMinZValue() {<a name="line.244"></a><FONT color="green">245</FONT> double zMin = 1.e20;<a name="line.245"></a><FONT color="green">246</FONT> for (int k = 0; k < this.zValues.length; k++) {<a name="line.246"></a><FONT color="green">247</FONT> if (this.zValues[k] != null) {<a name="line.247"></a><FONT color="green">248</FONT> zMin = Math.min(zMin, this.zValues[k].doubleValue());<a name="line.248"></a><FONT color="green">249</FONT> }<a name="line.249"></a><FONT color="green">250</FONT> }<a name="line.250"></a><FONT color="green">251</FONT> return zMin;<a name="line.251"></a><FONT color="green">252</FONT> }<a name="line.252"></a><FONT color="green">253</FONT> <a name="line.253"></a><FONT color="green">254</FONT> /**<a name="line.254"></a><FONT color="green">255</FONT> * Returns the maximum z-value within visible region of plot.<a name="line.255"></a><FONT color="green">256</FONT> *<a name="line.256"></a><FONT color="green">257</FONT> * @param x the x range.<a name="line.257"></a><FONT color="green">258</FONT> * @param y the y range.<a name="line.258"></a><FONT color="green">259</FONT> *<a name="line.259"></a><FONT color="green">260</FONT> * @return The z range.<a name="line.260"></a><FONT color="green">261</FONT> */<a name="line.261"></a><FONT color="green">262</FONT> public Range getZValueRange(Range x, Range y) {<a name="line.262"></a><FONT color="green">263</FONT> <a name="line.263"></a><FONT color="green">264</FONT> double minX = x.getLowerBound();<a name="line.264"></a><FONT color="green">265</FONT> double minY = y.getLowerBound();<a name="line.265"></a><FONT color="green">266</FONT> double maxX = x.getUpperBound();<a name="line.266"></a><FONT color="green">267</FONT> double maxY = y.getUpperBound();<a name="line.267"></a><FONT color="green">268</FONT> <a name="line.268"></a><FONT color="green">269</FONT> double zMin = 1.e20;<a name="line.269"></a><FONT color="green">270</FONT> double zMax = -1.e20;<a name="line.270"></a><FONT color="green">271</FONT> for (int k = 0; k < this.zValues.length; k++) {<a name="line.271"></a><FONT color="green">272</FONT> if (this.xValues[k].doubleValue() >= minX<a name="line.272"></a><FONT color="green">273</FONT> && this.xValues[k].doubleValue() <= maxX<a name="line.273"></a><FONT color="green">274</FONT> && this.yValues[k].doubleValue() >= minY<a name="line.274"></a><FONT color="green">275</FONT> && this.yValues[k].doubleValue() <= maxY) {<a name="line.275"></a><FONT color="green">276</FONT> if (this.zValues[k] != null) {<a name="line.276"></a><FONT color="green">277</FONT> zMin = Math.min(zMin, this.zValues[k].doubleValue());<a name="line.277"></a><FONT color="green">278</FONT> zMax = Math.max(zMax, this.zValues[k].doubleValue());<a name="line.278"></a><FONT color="green">279</FONT> }<a name="line.279"></a><FONT color="green">280</FONT> }<a name="line.280"></a><FONT color="green">281</FONT> }<a name="line.281"></a><FONT color="green">282</FONT> <a name="line.282"></a><FONT color="green">283</FONT> return new Range(zMin, zMax);<a name="line.283"></a><FONT color="green">284</FONT> }<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> * Returns the minimum z-value.<a name="line.287"></a><FONT color="green">288</FONT> *<a name="line.288"></a><FONT color="green">289</FONT> * @param minX the minimum x value.<a name="line.289"></a><FONT color="green">290</FONT> * @param minY the minimum y value.<a name="line.290"></a><FONT color="green">291</FONT> * @param maxX the maximum x value.<a name="line.291"></a><FONT color="green">292</FONT> * @param maxY the maximum y value.<a name="line.292"></a><FONT color="green">293</FONT> *<a name="line.293"></a><FONT color="green">294</FONT> * @return The minimum z-value.<a name="line.294"></a><FONT color="green">295</FONT> */<a name="line.295"></a><FONT color="green">296</FONT> public double getMinZValue(double minX, <a name="line.296"></a><FONT color="green">297</FONT> double minY, <a name="line.297"></a><FONT color="green">298</FONT> double maxX, <a name="line.298"></a><FONT color="green">299</FONT> double maxY) {<a name="line.299"></a><FONT color="green">300</FONT> <a name="line.300"></a><FONT color="green">301</FONT> double zMin = 1.e20;<a name="line.301"></a><FONT color="green">302</FONT> for (int k = 0; k < this.zValues.length; k++) {<a name="line.302"></a><FONT color="green">303</FONT> if (this.zValues[k] != null) {<a name="line.303"></a><FONT color="green">304</FONT> zMin = Math.min(zMin, this.zValues[k].doubleValue());<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> return zMin;<a name="line.307"></a><FONT color="green">308</FONT> <a name="line.308"></a><FONT color="green">309</FONT> }<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> * Returns the number of series.<a name="line.312"></a><FONT color="green">313</FONT> * <P><a name="line.313"></a><FONT color="green">314</FONT> * Required by XYDataset interface (this will always return 1)<a name="line.314"></a><FONT color="green">315</FONT> *<a name="line.315"></a><FONT color="green">316</FONT> * @return 1.<a name="line.316"></a><FONT color="green">317</FONT> */<a name="line.317"></a><FONT color="green">318</FONT> public int getSeriesCount() {<a name="line.318"></a><FONT color="green">319</FONT> return 1;<a name="line.319"></a><FONT color="green">320</FONT> }<a name="line.320"></a><FONT color="green">321</FONT> <a name="line.321"></a><FONT color="green">322</FONT> /**<a name="line.322"></a><FONT color="green">323</FONT> * Returns the name of the specified series.<a name="line.323"></a><FONT color="green">324</FONT> *<a name="line.324"></a><FONT color="green">325</FONT> * Method provided to satisfy the XYDataset interface implementation<a name="line.325"></a><FONT color="green">326</FONT> *<a name="line.326"></a><FONT color="green">327</FONT> * @param series must be zero.<a name="line.327"></a><FONT color="green">328</FONT> *<a name="line.328"></a><FONT color="green">329</FONT> * @return The series name.<a name="line.329"></a><FONT color="green">330</FONT> */<a name="line.330"></a><FONT color="green">331</FONT> public Comparable getSeriesKey(int series) {<a name="line.331"></a><FONT color="green">332</FONT> if (series > 0) {<a name="line.332"></a><FONT color="green">333</FONT> throw new IllegalArgumentException("Only one series for contour");<a name="line.333"></a><FONT color="green">334</FONT> }<a name="line.334"></a><FONT color="green">335</FONT> return this.seriesKey;<a name="line.335"></a><FONT color="green">336</FONT> }<a name="line.336"></a><FONT color="green">337</FONT> <a name="line.337"></a><FONT color="green">338</FONT> /**<a name="line.338"></a><FONT color="green">339</FONT> * Returns the index of the xvalues.<a name="line.339"></a><FONT color="green">340</FONT> *<a name="line.340"></a><FONT color="green">341</FONT> * @return The x values.<a name="line.341"></a><FONT color="green">342</FONT> */<a name="line.342"></a><FONT color="green">343</FONT> public int[] getXIndices() {<a name="line.343"></a><FONT color="green">344</FONT> return this.xIndex;<a name="line.344"></a><FONT color="green">345</FONT> }<a name="line.345"></a><FONT color="green">346</FONT> <a name="line.346"></a><FONT color="green">347</FONT> /**<a name="line.347"></a><FONT color="green">348</FONT> * Returns the x values.<a name="line.348"></a><FONT color="green">349</FONT> *<a name="line.349"></a><FONT color="green">350</FONT> * @return The x values.<a name="line.350"></a><FONT color="green">351</FONT> */<a name="line.351"></a><FONT color="green">352</FONT> public Number[] getXValues() {<a name="line.352"></a><FONT color="green">353</FONT> return this.xValues;<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> /**<a name="line.356"></a><FONT color="green">357</FONT> * Returns the x value for the specified series and index (zero-based <a name="line.357"></a><FONT color="green">358</FONT> * indices). Required by the {@link XYDataset}.<a name="line.358"></a><FONT color="green">359</FONT> *<a name="line.359"></a><FONT color="green">360</FONT> * @param series must be zero;<a name="line.360"></a><FONT color="green">361</FONT> * @param item the item index (zero-based).<a name="line.361"></a><FONT color="green">362</FONT> *<a name="line.362"></a><FONT color="green">363</FONT> * @return The x value.<a name="line.363"></a><FONT color="green">364</FONT> */<a name="line.364"></a><FONT color="green">365</FONT> public Number getX(int series, int item) {<a name="line.365"></a><FONT color="green">366</FONT> if (series > 0) {<a name="line.366"></a><FONT color="green">367</FONT> throw new IllegalArgumentException("Only one series for contour");<a name="line.367"></a><FONT color="green">368</FONT> }<a name="line.368"></a><FONT color="green">369</FONT> return this.xValues[item];<a name="line.369"></a><FONT color="green">370</FONT> }<a name="line.370"></a><FONT color="green">371</FONT> <a name="line.371"></a><FONT color="green">372</FONT> /**<a name="line.372"></a><FONT color="green">373</FONT> * Returns an x value.<a name="line.373"></a><FONT color="green">374</FONT> *<a name="line.374"></a><FONT color="green">375</FONT> * @param item the item index (zero-based).<a name="line.375"></a><FONT color="green">376</FONT> *<a name="line.376"></a><FONT color="green">377</FONT> * @return The X value.<a name="line.377"></a><FONT color="green">378</FONT> */<a name="line.378"></a><FONT color="green">379</FONT> public Number getXValue(int item) {<a name="line.379"></a><FONT color="green">380</FONT> return this.xValues[item];<a name="line.380"></a><FONT color="green">381</FONT> }<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> * Returns a Number array containing all y values.<a name="line.384"></a><FONT color="green">385</FONT> *<a name="line.385"></a><FONT color="green">386</FONT> * @return The Y values.<a name="line.386"></a><FONT color="green">387</FONT> */<a name="line.387"></a>⌨️ 快捷键说明
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