Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/DischargeTables.java @ 2230:59af81364eb1
Improved the 'historical discharge' calculation: implemented findValueForW().
flys-artifacts/trunk@3872 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Wed, 01 Feb 2012 15:41:11 +0000 |
| parents | 6b0ae0f2cae6 |
| children | 899ca89f497e |
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| 2229:9dc81827b187 | 2230:59af81364eb1 |
|---|---|
| 122 } | 122 } |
| 123 | 123 |
| 124 // TODO: Filter by time interval | 124 // TODO: Filter by time interval |
| 125 DischargeTable table = tables.get(0); | 125 DischargeTable table = tables.get(0); |
| 126 | 126 |
| 127 List<DischargeTableValue> dtvs = | |
| 128 table.getDischargeTableValues(); | |
| 129 | |
| 130 final double [][] vs = new double[2][dtvs.size()]; | |
| 131 | |
| 132 boolean qSorted = true; | 127 boolean qSorted = true; |
| 133 | 128 |
| 134 double lastQ = -Double.MAX_VALUE; | 129 final double[][] vs = |
| 135 | 130 loadDischargeTableValues(table, scale, qSorted); |
| 136 int idx = 0; | |
| 137 for (DischargeTableValue dtv: dtvs) { | |
| 138 double q = dtv.getQ().doubleValue(); | |
| 139 vs[0][idx] = q * scale; | |
| 140 vs[1][idx] = dtv.getW().doubleValue() * scale; | |
| 141 ++idx; | |
| 142 | |
| 143 if (qSorted && lastQ > q) { | |
| 144 qSorted = false; | |
| 145 } | |
| 146 lastQ = q; | |
| 147 } | |
| 148 | 131 |
| 149 if (!qSorted) { | 132 if (!qSorted) { |
| 150 log.debug("need to sort by q values"); | 133 log.debug("need to sort by q values"); |
| 151 // TODO: Do this db level. | 134 // TODO: Do this db level. |
| 152 // XXX: This is so ugly :-( | 135 // XXX: This is so ugly :-( |
| 180 } | 163 } |
| 181 | 164 |
| 182 return values; | 165 return values; |
| 183 } | 166 } |
| 184 | 167 |
| 168 | |
| 169 /** | |
| 170 * @param table The discharge table | |
| 171 * @param scale The scale factor to adjust W and Q values. | |
| 172 * @param qSorted Boolean flag that is used to evaluate if the values should | |
| 173 * be sorted. | |
| 174 * | |
| 175 * @return the values of a discharge table. | |
| 176 */ | |
| 177 public static double[][] loadDischargeTableValues( | |
| 178 DischargeTable table, | |
| 179 double scale, | |
| 180 boolean qSorted | |
| 181 ) { | |
| 182 List<DischargeTableValue> dtvs = table.getDischargeTableValues(); | |
| 183 | |
| 184 final double [][] vs = new double[2][dtvs.size()]; | |
| 185 | |
| 186 double lastQ = -Double.MAX_VALUE; | |
| 187 | |
| 188 int idx = 0; | |
| 189 for (DischargeTableValue dtv: dtvs) { | |
| 190 double q = dtv.getQ().doubleValue(); | |
| 191 vs[0][idx] = q * scale; | |
| 192 vs[1][idx] = dtv.getW().doubleValue() * scale; | |
| 193 ++idx; | |
| 194 | |
| 195 if (qSorted && lastQ > q) { | |
| 196 qSorted = false; | |
| 197 } | |
| 198 lastQ = q; | |
| 199 } | |
| 200 | |
| 201 return vs; | |
| 202 } | |
| 203 | |
| 204 | |
| 185 public static double getQForW(double [][] values, double w) { | 205 public static double getQForW(double [][] values, double w) { |
| 186 | 206 |
| 187 boolean debug = log.isDebugEnabled(); | 207 boolean debug = log.isDebugEnabled(); |
| 188 | 208 |
| 189 if (debug) { | 209 if (debug) { |