Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/StaticWKmsArtifact.java @ 3273:739aa90eb79e
Fix issue694.
flys-artifacts/trunk@4917 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
|---|---|
| date | Tue, 10 Jul 2012 16:04:44 +0000 |
| parents | 31168ac9c7e7 |
| children | d9af29a4bb85 |
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| 3272:31168ac9c7e7 | 3273:739aa90eb79e |
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| 278 * the other given km. | 278 * the other given km. |
| 279 * Return Double.NaN otherwise | 279 * Return Double.NaN otherwise |
| 280 * | 280 * |
| 281 * @param wkms WKms in which to search for a spatially close W value. | 281 * @param wkms WKms in which to search for a spatially close W value. |
| 282 * @param km the input km, which is compared to values from wkms. | 282 * @param km the input km, which is compared to values from wkms. |
| 283 * @param next the next available input km. | 283 * @param next the next available input km (-1 if unavailable). |
| 284 * @param prev the previous available input km. | 284 * @param prev the previous available input km (-1 if unavailable). |
| 285 * | 285 * |
| 286 * @return W in wkms that is closer to km than to next and prev, or Double.NaN. | 286 * @return W in wkms that is closer to km than to next and prev, or Double.NaN. |
| 287 */ | 287 */ |
| 288 public double getWAtCloseKm(WKms wkms, double km, double next, double prev) { | 288 public double getWAtCloseKm(WKms wkms, double km, double next, double prev) { |
| 289 int size = wkms.size(); | 289 int size = wkms.size(); |
| 290 // TODO handle edge cases (with no next or prev). | |
| 291 for (int i = 0; i < size; i++) { | 290 for (int i = 0; i < size; i++) { |
| 292 double wkmsKm = wkms.getKm(i); | 291 double wkmsKm = wkms.getKm(i); |
| 293 double dist = Distance.distance(wkmsKm, km); | 292 double dist = Distance.distance(wkmsKm, km); |
| 294 if ((prev != km && dist <= Distance.distance(wkmsKm, prev)) | 293 if ((prev == -1d || dist <= Distance.distance(wkmsKm, prev)) |
| 295 && dist <= Distance.distance(wkmsKm, next)) { | 294 && (next == -1d || dist <= Distance.distance(wkmsKm, next))) { |
| 296 return wkms.getW(i); | 295 return wkms.getW(i); |
| 297 } | 296 } |
| 298 } | 297 } |
| 299 | 298 |
| 300 return Double.NaN; | 299 return Double.NaN; |
| 301 } | 300 } |