Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/BedQualityCalculation.java @ 7670:03dc5cc22e26
Update coefficients in porosity formula.
| author | Tom Gottfried <tom.gottfried@intevation.de> |
|---|---|
| date | Fri, 06 Dec 2013 16:44:37 +0100 |
| parents | a56fe3bc6700 |
| children | cead6df5b7b3 |
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| 7669:f1abd257f933 | 7670:03dc5cc22e26 |
|---|---|
| 231 double[] results = new double[list.size()]; | 231 double[] results = new double[list.size()]; |
| 232 int i = 0; | 232 int i = 0; |
| 233 for (QualityMeasurement qm : list) { | 233 for (QualityMeasurement qm : list) { |
| 234 double deviation = calculateDeviation(qm); | 234 double deviation = calculateDeviation(qm); |
| 235 double p = calculateP(qm); | 235 double p = calculateP(qm); |
| 236 double porosity = 0.353 - 0.068 * deviation + 0.146 * p; | 236 double porosity = 0.362 - 0.088 * deviation + 0.219 * p; |
| 237 results[i] = porosity; | 237 results[i] = porosity; |
| 238 i++; | 238 i++; |
| 239 } | 239 } |
| 240 | 240 |
| 241 return results; | 241 return results; |