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1 | |||
671 | werner | 2 | /******************************************************************************************** |
3 | ** iLand - an individual based forest landscape and disturbance model |
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4 | ** http://iland.boku.ac.at |
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5 | ** Copyright (C) 2009- Werner Rammer, Rupert Seidl |
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6 | ** |
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7 | ** This program is free software: you can redistribute it and/or modify |
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8 | ** it under the terms of the GNU General Public License as published by |
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9 | ** the Free Software Foundation, either version 3 of the License, or |
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10 | ** (at your option) any later version. |
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11 | ** |
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12 | ** This program is distributed in the hope that it will be useful, |
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13 | ** but WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 | ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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15 | ** GNU General Public License for more details. |
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16 | ** |
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17 | ** You should have received a copy of the GNU General Public License |
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18 | ** along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 | ********************************************************************************************/ |
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20 | |||
697 | werner | 21 | /** ModelController is a helper class used to control the flow of operations during a model run. |
22 | The ModelController encapsulates the Model class and is the main control unit. It is used by the |
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23 | iLand GUI as well as the command line version (ilandc). |
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24 | |||
105 | Werner | 25 | */ |
128 | Werner | 26 | |
105 | Werner | 27 | #include "global.h" |
28 | #include "modelcontroller.h" |
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128 | Werner | 29 | #include <QObject> |
105 | Werner | 30 | |
31 | #include "model.h" |
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808 | werner | 32 | #include "debugtimer.h" |
128 | Werner | 33 | #include "helper.h" |
165 | werner | 34 | #include "expression.h" |
161 | werner | 35 | #include "expressionwrapper.h" |
176 | werner | 36 | #include "../output/outputmanager.h" |
105 | Werner | 37 | |
514 | werner | 38 | #include "species.h" |
39 | #include "speciesset.h" |
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596 | werner | 40 | #include "mapgrid.h" |
808 | werner | 41 | #include "statdata.h" |
514 | werner | 42 | |
678 | werner | 43 | #ifdef ILAND_GUI |
267 | werner | 44 | #include "mainwindow.h" // for the debug message buffering |
678 | werner | 45 | #endif |
267 | werner | 46 | |
105 | Werner | 47 | ModelController::ModelController() |
48 | { |
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128 | Werner | 49 | mModel = NULL; |
223 | werner | 50 | mPaused = false; |
225 | werner | 51 | mRunning = false; |
837 | werner | 52 | mHasError = false; |
223 | werner | 53 | mYearsToRun = 0; |
590 | werner | 54 | mViewerWindow = 0; |
802 | werner | 55 | mDynamicOutputEnabled = false; |
105 | Werner | 56 | } |
128 | Werner | 57 | |
58 | ModelController::~ModelController() |
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59 | { |
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60 | destroy(); |
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61 | } |
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62 | |||
590 | werner | 63 | void ModelController::connectSignals() |
64 | { |
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65 | if (!mViewerWindow) |
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66 | return; |
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678 | werner | 67 | #ifdef ILAND_GUI |
590 | werner | 68 | connect(this,SIGNAL(bufferLogs(bool)), mViewerWindow, SLOT(bufferedLog(bool))); |
678 | werner | 69 | #endif |
590 | werner | 70 | } |
71 | |||
514 | werner | 72 | /// prepare a list of all (active) species |
73 | QHash<QString, QString> ModelController::availableSpecies() |
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74 | { |
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75 | QHash<QString, QString> list; |
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76 | if (mModel) { |
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77 | SpeciesSet *set = mModel->speciesSet(); |
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78 | if (!set) |
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79 | throw IException("there are 0 or more than one species sets."); |
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80 | foreach (const Species *s, set->activeSpecies()) { |
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81 | list[s->id()] = s->name(); |
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82 | } |
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83 | } |
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84 | return list; |
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85 | } |
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128 | Werner | 86 | |
145 | Werner | 87 | bool ModelController::canCreate() |
128 | Werner | 88 | { |
129 | Werner | 89 | if (mModel) |
128 | Werner | 90 | return false; |
91 | return true; |
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92 | } |
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93 | |||
145 | Werner | 94 | bool ModelController::canDestroy() |
128 | Werner | 95 | { |
96 | return mModel != NULL; |
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97 | } |
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98 | |||
145 | Werner | 99 | bool ModelController::canRun() |
128 | Werner | 100 | { |
101 | if (mModel && mModel->isSetup()) |
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102 | return true; |
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103 | return false; |
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104 | } |
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105 | |||
145 | Werner | 106 | bool ModelController::isRunning() |
128 | Werner | 107 | { |
225 | werner | 108 | return mRunning; |
128 | Werner | 109 | } |
110 | |||
225 | werner | 111 | bool ModelController::isFinished() |
112 | { |
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113 | if (!mModel) |
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114 | return false; |
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115 | return canRun() && !isRunning() && mFinished; |
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497 | werner | 116 | } |
128 | Werner | 117 | |
776 | werner | 118 | bool ModelController::isPaused() |
119 | { |
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120 | return mPaused; |
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121 | } |
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122 | |||
497 | werner | 123 | int ModelController::currentYear() const |
124 | { |
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125 | return GlobalSettings::instance()->currentYear(); |
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225 | werner | 126 | } |
127 | |||
128 | Werner | 128 | void ModelController::setFileName(QString initFileName) |
129 | { |
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130 | mInitFile = initFileName; |
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131 | try { |
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132 | GlobalSettings::instance()->loadProjectFile(mInitFile); |
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133 | } catch(const IException &e) { |
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575 | werner | 134 | QString error_msg = e.message(); |
128 | Werner | 135 | Helper::msg(error_msg); |
837 | werner | 136 | mHasError = true; |
137 | mLastError = error_msg; |
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128 | Werner | 138 | qDebug() << error_msg; |
139 | } |
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140 | } |
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141 | |||
142 | void ModelController::create() |
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143 | { |
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144 | if (!canCreate()) |
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145 | return; |
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590 | werner | 146 | emit bufferLogs(true); |
147 | |||
128 | Werner | 148 | try { |
837 | werner | 149 | mHasError = false; |
285 | werner | 150 | DebugTimer::clearAllTimers(); |
151 | mModel = new Model(); |
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152 | mModel->loadProject(); |
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837 | werner | 153 | if (!mModel->isSetup()) { |
154 | mHasError = true; |
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155 | mLastError = "An error occured during the loading of the project. Please check the logs."; |
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286 | werner | 156 | return; |
837 | werner | 157 | } |
286 | werner | 158 | |
497 | werner | 159 | // reset clock... |
160 | GlobalSettings::instance()->setCurrentYear(1); // reset clock |
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395 | werner | 161 | // initialization of trees, output on startup |
286 | werner | 162 | mModel->beforeRun(); |
128 | Werner | 163 | } catch(const IException &e) { |
575 | werner | 164 | QString error_msg = e.message(); |
128 | Werner | 165 | Helper::msg(error_msg); |
837 | werner | 166 | mLastError = error_msg; |
167 | mHasError = true; |
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128 | Werner | 168 | qDebug() << error_msg; |
169 | } |
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590 | werner | 170 | emit bufferLogs(false); |
171 | |||
362 | werner | 172 | qDebug() << "Model created."; |
128 | Werner | 173 | } |
174 | |||
175 | void ModelController::destroy() |
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176 | { |
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177 | if (canDestroy()) { |
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891 | werner | 178 | Model *m = mModel; |
128 | Werner | 179 | mModel = 0; |
891 | werner | 180 | delete m; |
162 | werner | 181 | GlobalSettings::instance()->setCurrentYear(0); |
128 | Werner | 182 | qDebug() << "ModelController: Model destroyed."; |
183 | } |
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184 | } |
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222 | werner | 185 | |
223 | werner | 186 | void ModelController::runloop() |
187 | { |
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515 | werner | 188 | static QTime sLastTime = QTime::currentTime(); |
678 | werner | 189 | #ifdef ILAND_GUI |
776 | werner | 190 | // QApplication::processEvents(); |
678 | werner | 191 | #else |
776 | werner | 192 | // QCoreApplication::processEvents(); |
678 | werner | 193 | #endif |
223 | werner | 194 | if (mPaused) |
195 | return; |
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225 | werner | 196 | bool doStop = false; |
837 | werner | 197 | mHasError = false; |
515 | werner | 198 | if (GlobalSettings::instance()->currentYear()<=1) { |
199 | sLastTime = QTime::currentTime(); // reset clock at the beginning of the simulation |
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200 | } |
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225 | werner | 201 | |
202 | if (!mCanceled && GlobalSettings::instance()->currentYear() < mYearsToRun) { |
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590 | werner | 203 | emit bufferLogs(true); |
776 | werner | 204 | |
837 | werner | 205 | mHasError = runYear(); // do the work! |
776 | werner | 206 | |
225 | werner | 207 | mRunning = true; |
208 | emit year(GlobalSettings::instance()->currentYear()); |
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837 | werner | 209 | if (!mHasError) { |
515 | werner | 210 | int elapsed = sLastTime.msecsTo(QTime::currentTime()); |
497 | werner | 211 | int time=0; |
515 | werner | 212 | if (currentYear()%50==0 && elapsed>10000) |
497 | werner | 213 | time = 100; // a 100ms pause... |
515 | werner | 214 | if (currentYear()%100==0 && elapsed>10000) { |
497 | werner | 215 | time = 500; // a 500ms pause... |
216 | } |
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515 | werner | 217 | if (time>0) { |
218 | sLastTime = QTime::currentTime(); // reset clock |
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219 | qDebug() << "--- little break ---- (after " << elapsed << "ms)."; |
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776 | werner | 220 | //QTimer::singleShot(time,this, SLOT(runloop())); |
515 | werner | 221 | } |
776 | werner | 222 | |
837 | werner | 223 | } else { |
224 | doStop = true; // an error occured |
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225 | mLastError = "An error occured while running the model. Please check the logs."; |
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226 | mHasError = true; |
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497 | werner | 227 | } |
225 | werner | 228 | |
229 | } else { |
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230 | doStop = true; // all years simulated |
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223 | werner | 231 | } |
225 | werner | 232 | |
233 | if (doStop || mCanceled) { |
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234 | // finished |
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776 | werner | 235 | internalStop(); |
225 | werner | 236 | } |
267 | werner | 237 | |
678 | werner | 238 | #ifdef ILAND_GUI |
225 | werner | 239 | QApplication::processEvents(); |
678 | werner | 240 | #else |
241 | QCoreApplication::processEvents(); |
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242 | #endif |
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223 | werner | 243 | } |
244 | |||
776 | werner | 245 | bool ModelController::internalRun() |
246 | { |
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247 | // main loop |
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918 | werner | 248 | try { |
249 | while (mRunning && !mPaused && !mFinished) { |
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250 | runloop(); // start the running loop |
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251 | } |
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252 | } catch (IException &e) { |
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253 | #ifdef ILAND_GUI |
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254 | Helper::msg(e.message()); |
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255 | #endif |
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776 | werner | 256 | |
257 | } |
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918 | werner | 258 | |
776 | werner | 259 | return isFinished(); |
260 | } |
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261 | |||
262 | void ModelController::internalStop() |
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263 | { |
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264 | if (mRunning) { |
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265 | GlobalSettings::instance()->outputManager()->save(); |
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266 | DebugTimer::printAllTimers(); |
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267 | mFinished = true; |
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268 | } |
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269 | mRunning = false; |
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270 | emit bufferLogs(false); // stop buffering |
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271 | emit finished(QString()); |
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272 | emit stateChanged(); |
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273 | |||
274 | } |
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275 | |||
222 | werner | 276 | void ModelController::run(int years) |
128 | Werner | 277 | { |
222 | werner | 278 | if (!canRun()) |
279 | return; |
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590 | werner | 280 | emit bufferLogs(true); // start buffering |
281 | |||
222 | werner | 282 | DebugTimer many_runs(QString("Timer for %1 runs").arg(years)); |
223 | werner | 283 | mPaused = false; |
225 | werner | 284 | mFinished = false; |
285 | mCanceled = false; |
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223 | werner | 286 | mYearsToRun = years; |
497 | werner | 287 | //GlobalSettings::instance()->setCurrentYear(1); // reset clock |
222 | werner | 288 | |
289 | DebugTimer::clearAllTimers(); |
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223 | werner | 290 | |
759 | werner | 291 | mRunning = true; |
776 | werner | 292 | emit stateChanged(); |
223 | werner | 293 | |
776 | werner | 294 | qDebug() << "ModelControler: runloop started."; |
295 | internalRun(); |
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296 | emit stateChanged(); |
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128 | Werner | 297 | } |
298 | |||
223 | werner | 299 | bool ModelController::runYear() |
128 | Werner | 300 | { |
223 | werner | 301 | if (!canRun()) return false; |
421 | werner | 302 | DebugTimer t("ModelController:runYear"); |
497 | werner | 303 | qDebug() << "ModelController: run year" << currentYear(); |
421 | werner | 304 | |
171 | werner | 305 | if (GlobalSettings::instance()->settings().paramValueBool("debug_clear")) |
164 | werner | 306 | GlobalSettings::instance()->clearDebugLists(); // clear debug data |
223 | werner | 307 | bool err=false; |
128 | Werner | 308 | try { |
590 | werner | 309 | emit bufferLogs(true); |
128 | Werner | 310 | mModel->runYear(); |
162 | werner | 311 | fetchDynamicOutput(); |
128 | Werner | 312 | } catch(const IException &e) { |
575 | werner | 313 | QString error_msg = e.message(); |
128 | Werner | 314 | Helper::msg(error_msg); |
315 | qDebug() << error_msg; |
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223 | werner | 316 | err=true; |
128 | Werner | 317 | } |
590 | werner | 318 | emit bufferLogs(false); |
223 | werner | 319 | return err; |
128 | Werner | 320 | } |
321 | |||
222 | werner | 322 | bool ModelController::pause() |
323 | { |
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223 | werner | 324 | if(!isRunning()) |
325 | return mPaused; |
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326 | |||
327 | if (mPaused) { |
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328 | // currently in pause - mode -> continue |
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329 | mPaused = false; |
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776 | werner | 330 | |
223 | werner | 331 | } else { |
332 | // currently running -> set to pause mode |
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333 | GlobalSettings::instance()->outputManager()->save(); |
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334 | mPaused = true; |
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590 | werner | 335 | emit bufferLogs(false); |
223 | werner | 336 | } |
776 | werner | 337 | emit stateChanged(); |
223 | werner | 338 | return mPaused; |
222 | werner | 339 | } |
128 | Werner | 340 | |
776 | werner | 341 | bool ModelController::continueRun() |
342 | { |
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343 | mRunning = true; |
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344 | emit stateChanged(); |
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345 | return internalRun(); |
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346 | } |
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347 | |||
222 | werner | 348 | void ModelController::cancel() |
349 | { |
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225 | werner | 350 | mCanceled = true; |
776 | werner | 351 | internalStop(); |
352 | emit stateChanged(); |
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222 | werner | 353 | } |
225 | werner | 354 | |
921 | werner | 355 | |
356 | // this function is called when exceptions occur in multithreaded code. |
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632 | werner | 357 | QMutex error_mutex; |
358 | void ModelController::throwError(const QString msg) |
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359 | { |
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360 | QMutexLocker lock(&error_mutex); // serialize access |
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361 | qDebug() << "ModelController: throwError reached:"; |
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362 | qDebug() << msg; |
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837 | werner | 363 | mLastError = msg; |
364 | mHasError = true; |
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632 | werner | 365 | emit bufferLogs(false); |
366 | emit bufferLogs(true); // start buffering again |
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367 | |||
921 | werner | 368 | emit finished(msg); |
632 | werner | 369 | throw IException(msg); // raise error again |
370 | |||
371 | } |
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161 | werner | 372 | ////////////////////////////////////// |
373 | // dynamic outut |
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374 | ////////////////////////////////////// |
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375 | ////////////////////////////////////// |
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376 | void ModelController::setupDynamicOutput(QString fieldList) |
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377 | { |
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171 | werner | 378 | mDynFieldList.clear(); |
379 | if (!fieldList.isEmpty()) { |
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380 | QRegExp rx("((?:\\[.+\\]|\\w+)\\.\\w+)"); |
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381 | int pos=0; |
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382 | while ((pos = rx.indexIn(fieldList, pos)) != -1) { |
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383 | mDynFieldList.append(rx.cap(1)); |
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384 | pos += rx.matchedLength(); |
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385 | } |
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386 | |||
387 | //mDynFieldList = fieldList.split(QRegExp("(?:\\[.+\\]|\\w+)\\.\\w+"), QString::SkipEmptyParts); |
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170 | werner | 388 | mDynFieldList.prepend("count"); |
389 | mDynFieldList.prepend("year"); // fixed fields. |
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390 | } |
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161 | werner | 391 | mDynData.clear(); |
392 | mDynData.append(mDynFieldList.join(";")); |
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802 | werner | 393 | mDynamicOutputEnabled = true; |
161 | werner | 394 | } |
162 | werner | 395 | |
161 | werner | 396 | QString ModelController::dynamicOutput() |
397 | { |
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398 | return mDynData.join("\n"); |
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399 | } |
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400 | |||
218 | werner | 401 | const QStringList aggList = QStringList() << "mean" << "sum" << "min" << "max" << "p25" << "p50" << "p75" << "p5"<< "p10" << "p90" << "p95"; |
161 | werner | 402 | void ModelController::fetchDynamicOutput() |
403 | { |
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802 | werner | 404 | if (!mDynamicOutputEnabled || mDynFieldList.isEmpty()) |
161 | werner | 405 | return; |
165 | werner | 406 | DebugTimer t("dynamic output"); |
161 | werner | 407 | QStringList var; |
408 | QString lastVar = ""; |
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409 | QVector<double> data; |
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410 | AllTreeIterator at(mModel); |
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411 | TreeWrapper tw; |
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412 | int var_index; |
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413 | StatData stat; |
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414 | double value; |
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415 | QStringList line; |
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165 | werner | 416 | Expression custom_expr; |
417 | bool simple_expression; |
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161 | werner | 418 | foreach (QString field, mDynFieldList) { |
163 | werner | 419 | if (field=="count" || field=="year") |
420 | continue; |
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166 | werner | 421 | if (field.count()>0 && field.at(0)=='[') { |
422 | QRegExp rex("\\[(.+)\\]\\.(\\w+)"); |
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423 | rex.indexIn(field); |
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424 | var = rex.capturedTexts(); |
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425 | var.pop_front(); // drop first element (contains the full string) |
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165 | werner | 426 | simple_expression = false; |
427 | } else { |
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428 | var = field.split(QRegExp("\\W+"), QString::SkipEmptyParts); |
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429 | simple_expression = true; |
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430 | } |
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161 | werner | 431 | if (var.count()!=2) |
432 | throw IException(QString("Invalid variable name for dynamic output:") + field); |
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433 | if (var.first()!=lastVar) { |
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434 | // load new field |
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435 | data.clear(); |
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168 | werner | 436 | at.reset(); var_index = 0; |
165 | werner | 437 | if (simple_expression) { |
438 | var_index = tw.variableIndex(var.first()); |
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166 | werner | 439 | if (var_index<0) |
165 | werner | 440 | throw IException(QString("Invalid variable name for dynamic output:") + var.first()); |
166 | werner | 441 | |
165 | werner | 442 | } else { |
443 | custom_expr.setExpression(var.first()); |
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444 | custom_expr.setModelObject(&tw); |
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161 | werner | 445 | } |
446 | while (Tree *t = at.next()) { |
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447 | tw.setTree(t); |
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165 | werner | 448 | if (simple_expression) |
449 | value = tw.value(var_index); |
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450 | else |
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451 | value = custom_expr.execute(); |
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166 | werner | 452 | data.push_back(value); |
161 | werner | 453 | } |
454 | stat.setData(data); |
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455 | } |
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456 | // fetch data |
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457 | var_index = aggList.indexOf(var[1]); |
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458 | switch (var_index) { |
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459 | case 0: value = stat.mean(); break; |
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460 | case 1: value = stat.sum(); break; |
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461 | case 2: value = stat.min(); break; |
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462 | case 3: value = stat.max(); break; |
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463 | case 4: value = stat.percentile25(); break; |
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464 | case 5: value = stat.median(); break; |
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465 | case 6: value = stat.percentile75(); break; |
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218 | werner | 466 | case 7: value = stat.percentile(5); break; |
467 | case 8: value = stat.percentile(10); break; |
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468 | case 9: value = stat.percentile(90); break; |
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469 | case 10: value = stat.percentile(95); break; |
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161 | werner | 470 | default: throw IException(QString("Invalid aggregate expression for dynamic output: %1\nallowed:%2") |
471 | .arg(var[1]).arg(aggList.join(" "))); |
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472 | } |
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473 | line+=QString::number(value); |
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474 | } |
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162 | werner | 475 | line.prepend( QString::number(data.size()) ); |
476 | line.prepend( QString::number(GlobalSettings::instance()->currentYear()) ); |
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477 | mDynData.append(line.join(";")); |
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161 | werner | 478 | } |
590 | werner | 479 | |
480 | void ModelController::saveScreenshot(QString file_name) |
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481 | { |
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678 | werner | 482 | #ifdef ILAND_GUI |
590 | werner | 483 | if (!mViewerWindow) |
484 | return; |
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485 | QImage img = mViewerWindow->screenshot(); |
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486 | img.save(file_name); |
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678 | werner | 487 | #endif |
590 | werner | 488 | } |
596 | werner | 489 | |
490 | void ModelController::paintMap(MapGrid *map, double min_value, double max_value) |
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491 | { |
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678 | werner | 492 | #ifdef ILAND_GUI |
596 | werner | 493 | if (mViewerWindow) { |
643 | werner | 494 | mViewerWindow->paintGrid(map, "", GridViewRainbow, min_value, max_value); |
596 | werner | 495 | qDebug() << "painted map grid" << map->name() << "min-value (blue):" << min_value << "max-value(red):" << max_value; |
496 | } |
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780 | werner | 497 | #else |
498 | Q_UNUSED(map);Q_UNUSED(min_value);Q_UNUSED(max_value); |
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678 | werner | 499 | #endif |
596 | werner | 500 | } |
632 | werner | 501 | |
649 | werner | 502 | void ModelController::addGrid(const FloatGrid *grid, const QString &name, const GridViewType view_type, double min_value, double max_value) |
642 | werner | 503 | { |
678 | werner | 504 | #ifdef ILAND_GUI |
505 | |||
642 | werner | 506 | if (mViewerWindow) { |
643 | werner | 507 | mViewerWindow->paintGrid(grid, name, view_type, min_value, max_value); |
642 | werner | 508 | qDebug() << "painted grid min-value (blue):" << min_value << "max-value(red):" << max_value; |
509 | } |
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780 | werner | 510 | #else |
511 | Q_UNUSED(grid); Q_UNUSED(name); Q_UNUSED(view_type); Q_UNUSED(min_value);Q_UNUSED(max_value); |
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678 | werner | 512 | #endif |
642 | werner | 513 | } |
514 | |||
649 | werner | 515 | void ModelController::addLayers(const LayeredGridBase *layers, const QString &name) |
634 | werner | 516 | { |
678 | werner | 517 | #ifdef ILAND_GUI |
634 | werner | 518 | if (mViewerWindow) |
649 | werner | 519 | mViewerWindow->addLayers(layers, name); |
520 | //qDebug() << layers->names(); |
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780 | werner | 521 | #else |
522 | Q_UNUSED(layers); Q_UNUSED(name); |
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678 | werner | 523 | #endif |
634 | werner | 524 | } |
893 | werner | 525 | void ModelController::removeLayers(const LayeredGridBase *layers) |
526 | { |
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527 | #ifdef ILAND_GUI |
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528 | if (mViewerWindow) |
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529 | mViewerWindow->removeLayers(layers); |
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530 | //qDebug() << layers->names(); |
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531 | #else |
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532 | Q_UNUSED(layers); Q_UNUSED(name); |
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533 | #endif |
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534 | } |
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632 | werner | 535 | |
649 | werner | 536 | void ModelController::setViewport(QPointF center_point, double scale_px_per_m) |
646 | werner | 537 | { |
678 | werner | 538 | #ifdef ILAND_GUI |
647 | werner | 539 | if (mViewerWindow) |
649 | werner | 540 | mViewerWindow->setViewport(center_point, scale_px_per_m); |
780 | werner | 541 | #else |
542 | Q_UNUSED(center_point);Q_UNUSED(scale_px_per_m); |
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678 | werner | 543 | #endif |
646 | werner | 544 | } |
634 | werner | 545 | |
652 | werner | 546 | void ModelController::repaint() |
547 | { |
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678 | werner | 548 | #ifdef ILAND_GUI |
652 | werner | 549 | if (mViewerWindow) |
550 | mViewerWindow->repaint(); |
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678 | werner | 551 | #endif |
652 | werner | 552 | } |
646 | werner | 553 | |
649 | werner | 554 | |
652 | werner | 555 |