Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/CrossSectionArtifact.java @ 2678:d35e37b6a211
Fix issue620: synchron navigation at impossible km.
flys-artifacts/trunk@4376 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
|---|---|
| date | Thu, 10 May 2012 09:13:33 +0000 |
| parents | 734d5f5e55c0 |
| children | 64dc2997b2dd |
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| 2677:57d6670ddda3 | 2678:d35e37b6a211 |
|---|---|
| 240 } | 240 } |
| 241 | 241 |
| 242 | 242 |
| 243 /** | 243 /** |
| 244 * Get CrossSectionLine spatially closest to what is specified in the data | 244 * Get CrossSectionLine spatially closest to what is specified in the data |
| 245 * "cross_section.km". | 245 * "cross_section.km", null if considered too far. |
| 246 * | 246 * |
| 247 * @return CrossSectionLine closest to "cross_section.km". | 247 * @return CrossSectionLine closest to "cross_section.km", might be null |
| 248 * if considered too far. | |
| 248 */ | 249 */ |
| 249 public FastCrossSectionLine searchCrossSectionLine() { | 250 public FastCrossSectionLine searchCrossSectionLine() { |
| 250 | 251 double TOO_FAR = 1d; |
| 251 CrossSection crossSection = CrossSectionFactory | 252 CrossSection crossSection = CrossSectionFactory |
| 252 .getCrossSection(getDBID()); | 253 .getCrossSection(getDBID()); |
| 253 | 254 |
| 254 if (logger.isDebugEnabled()) { | 255 if (logger.isDebugEnabled()) { |
| 255 logger.debug("dbid " + getDBID() + " : " + crossSection); | 256 logger.debug("dbid " + getDBID() + " : " + crossSection); |
| 270 double ceilD = ceil != null | 271 double ceilD = ceil != null |
| 271 ? Math.abs(ceil - wishKM) | 272 ? Math.abs(ceil - wishKM) |
| 272 : Double.MAX_VALUE; | 273 : Double.MAX_VALUE; |
| 273 | 274 |
| 274 double km = floorD < ceilD ? floor : ceil; | 275 double km = floorD < ceilD ? floor : ceil; |
| 276 | |
| 277 // If we are too far from the wished km, return null. | |
| 278 if (Math.abs(km - wishKM) > TOO_FAR) { | |
| 279 return null; | |
| 280 } | |
| 275 | 281 |
| 276 return FastCrossSectionLineFactory | 282 return FastCrossSectionLineFactory |
| 277 .getCrossSectionLine(crossSection, km); | 283 .getCrossSectionLine(crossSection, km); |
| 278 } | 284 } |
| 279 | 285 |