Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/WINFOArtifact.java @ 393:befedd7629d5
Enabled the WINFO artifact to compute the data for discharge curves (computed) - ComputedDischargeCurveGenerator uses those values now to create the chart.
flys-artifacts/trunk@1818 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Wed, 04 May 2011 08:24:50 +0000 |
| parents | 478940d06876 |
| children | eb22ffe4d74c |
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| 392:72177020db92 | 393:befedd7629d5 |
|---|---|
| 374 wqday.add(days[i], interpolatedW[i], qs[i]); | 374 wqday.add(days[i], interpolatedW[i], qs[i]); |
| 375 } | 375 } |
| 376 | 376 |
| 377 return wqday; | 377 return wqday; |
| 378 } | 378 } |
| 379 | |
| 380 | |
| 381 /** | |
| 382 * Returns the data that is computed by a discharge curve computation. | |
| 383 * | |
| 384 * @return the data computed by a discharge curve computation. | |
| 385 */ | |
| 386 public WQKms getComputedDischargeCurveData() | |
| 387 throws NullPointerException | |
| 388 { | |
| 389 logger.debug("WINFOArtifact.getComputedDischargeCurveData"); | |
| 390 | |
| 391 River r = getRiver(); | |
| 392 | |
| 393 if (r == null) { | |
| 394 throw new NullPointerException("Cannot determine river."); | |
| 395 } | |
| 396 | |
| 397 double[] locations = getLocations(); | |
| 398 | |
| 399 if (locations == null) { | |
| 400 throw new NullPointerException("Cannot determine location."); | |
| 401 } | |
| 402 | |
| 403 WstValueTable wst = WstValueTable.getTable(r); | |
| 404 if (wst == null) { | |
| 405 throw new NullPointerException("No Wst found for selected river."); | |
| 406 } | |
| 407 | |
| 408 // TODO Introduce a caching mechanism here! | |
| 409 | |
| 410 return computeDischargeCurveData(wst, locations[0]); | |
| 411 } | |
| 412 | |
| 413 | |
| 414 /** | |
| 415 * Computes the data used to create computed discharge curves. | |
| 416 * | |
| 417 * @param wst The WstValueTable that is used for the interpolation. | |
| 418 * @param location The location where the computation should be based on. | |
| 419 * | |
| 420 * @return an object that contains tuples of W/Q values at the specified | |
| 421 * location. | |
| 422 */ | |
| 423 public static WQKms computeDischargeCurveData( | |
| 424 WstValueTable wst, | |
| 425 double location) | |
| 426 { | |
| 427 logger.info("WINFOArtifact.computeDischargeCurveData"); | |
| 428 | |
| 429 double[][] wqs = wst.interpolateWQ(location); | |
| 430 | |
| 431 if (wqs == null) { | |
| 432 logger.error("Cannot compute discharge curve data."); | |
| 433 return null; | |
| 434 } | |
| 435 | |
| 436 double[] ws = wqs[0]; | |
| 437 double[] qs = wqs[1]; | |
| 438 | |
| 439 WQKms wqkms = new WQKms(ws.length); | |
| 440 | |
| 441 for (int i = 0; i < ws.length; i++) { | |
| 442 wqkms.add(ws[i], qs[i], location); | |
| 443 } | |
| 444 | |
| 445 return wqkms; | |
| 446 } | |
| 379 } | 447 } |
| 380 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 448 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |