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Rev | Author | Line No. | Line |
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1 | |||
106 | Werner | 2 | #include "global.h" |
3 | #include "standloader.h" |
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4 | |||
290 | werner | 5 | |
106 | Werner | 6 | #include "grid.h" |
7 | #include "model.h" |
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189 | iland | 8 | #include "resourceunit.h" |
106 | Werner | 9 | #include "speciesset.h" |
10 | |||
11 | #include "helper.h" |
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290 | werner | 12 | #include "random.h" |
137 | Werner | 13 | #include "expression.h" |
140 | Werner | 14 | #include "expressionwrapper.h" |
284 | werner | 15 | #include "environment.h" |
287 | werner | 16 | #include "csvfile.h" |
106 | Werner | 17 | |
381 | werner | 18 | // provide a mapping between "Picus"-style and "iLand"-style species Ids |
384 | werner | 19 | QVector<int> picusSpeciesIds = QVector<int>() << 0 << 1 << 17; |
155 | werner | 20 | QStringList iLandSpeciesIds = QStringList() << "piab" << "piab" << "fasy"; |
290 | werner | 21 | StandLoader::~StandLoader() |
22 | { |
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23 | if (mRandom) |
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24 | delete mRandom; |
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25 | } |
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106 | Werner | 26 | |
281 | werner | 27 | void StandLoader::loadForUnit() |
28 | { |
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106 | Werner | 29 | |
281 | werner | 30 | } |
106 | Werner | 31 | |
281 | werner | 32 | void StandLoader::copyTrees() |
33 | { |
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34 | // we assume that all stands are equal, so wie simply COPY the trees and modify them afterwards |
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35 | const Grid<ResourceUnit*> &ruGrid=mModel->RUgrid(); |
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36 | ResourceUnit **p = ruGrid.begin(); |
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37 | if (!p) |
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38 | throw IException("Standloader: invalid resource unit pointer!"); |
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39 | ++p; // skip the first... |
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40 | const QVector<Tree> &tocopy = mModel->ru()->trees(); |
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41 | for (; p!=ruGrid.end(); ++p) { |
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42 | QRectF rect = (*p)->boundingBox(); |
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43 | foreach(const Tree& tree, tocopy) { |
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44 | Tree &newtree = (*p)->newTree(); |
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45 | newtree = tree; // copy tree data... |
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46 | newtree.setPosition(tree.position()+(*p)->boundingBox().topLeft()); |
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47 | newtree.setRU(*p); |
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48 | newtree.setNewId(); |
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49 | } |
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50 | } |
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51 | qDebug() << Tree::statCreated() << "trees loaded / copied."; |
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52 | } |
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53 | |||
284 | werner | 54 | /** main routine of the stand setup. |
55 | */ |
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106 | Werner | 56 | void StandLoader::processInit() |
57 | { |
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58 | GlobalSettings *g = GlobalSettings::instance(); |
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192 | werner | 59 | XmlHelper xml(g->settings().node("model.initialization")); |
191 | werner | 60 | |
281 | werner | 61 | QString copy_mode = xml.value("mode", "copy"); |
62 | QString type = xml.value("type", ""); |
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192 | werner | 63 | QString fileName = xml.value("file", ""); |
106 | Werner | 64 | |
65 | Tree::resetStatistics(); |
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281 | werner | 66 | |
67 | // one global init-file for the whole area: |
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284 | werner | 68 | if (copy_mode=="single") { |
281 | werner | 69 | loadInitFile(fileName, type); |
299 | werner | 70 | evaluateDebugTrees(); |
281 | werner | 71 | return; |
284 | werner | 72 | } |
281 | werner | 73 | |
74 | // copy trees from first unit to all other units: |
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75 | if (copy_mode=="copy") { |
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76 | loadInitFile(fileName, type); |
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77 | copyTrees(); |
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299 | werner | 78 | evaluateDebugTrees(); |
281 | werner | 79 | return; |
106 | Werner | 80 | } |
137 | Werner | 81 | |
281 | werner | 82 | // call a single tree init for each resource unit |
83 | if (copy_mode=="unit") { |
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284 | werner | 84 | foreach( const ResourceUnit *const_ru, g->model()->ruList()) { |
85 | ResourceUnit *ru = const_cast<ResourceUnit*>(const_ru); |
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86 | // set environment |
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87 | g->model()->environment()->setPosition(ru->boundingBox().center()); |
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88 | type = xml.value("type", ""); |
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89 | fileName = xml.value("file", ""); |
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319 | werner | 90 | if (fileName.isEmpty()) |
91 | continue; |
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284 | werner | 92 | loadInitFile(fileName, type, ru); |
93 | qDebug() << "loaded" << fileName << "on" << ru->boundingBox() << "," << ru->trees().count() << "trees."; |
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94 | } |
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299 | werner | 95 | evaluateDebugTrees(); |
284 | werner | 96 | return; |
281 | werner | 97 | } |
299 | werner | 98 | |
281 | werner | 99 | throw IException("StandLoader::processInit: invalid initalization.mode!"); |
100 | } |
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101 | |||
102 | void StandLoader::evaluateDebugTrees() |
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103 | { |
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137 | Werner | 104 | // evaluate debugging |
105 | QString dbg_str = GlobalSettings::instance()->settings().paramValueString("debug_tree"); |
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299 | werner | 106 | int counter=0; |
137 | Werner | 107 | if (!dbg_str.isEmpty()) { |
140 | Werner | 108 | TreeWrapper tw; |
109 | Expression dexp(dbg_str, &tw); // load expression dbg_str and enable external model variables |
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137 | Werner | 110 | AllTreeIterator at(GlobalSettings::instance()->model()); |
111 | double result; |
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112 | while (Tree *t = at.next()) { |
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140 | Werner | 113 | tw.setTree(t); |
137 | Werner | 114 | result = dexp.execute(); |
299 | werner | 115 | if (result) { |
137 | Werner | 116 | t->enableDebugging(); |
299 | werner | 117 | counter++; |
118 | } |
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137 | Werner | 119 | } |
120 | } |
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299 | werner | 121 | qDebug() << "evaluateDebugTrees: enabled debugging for" << counter << "trees."; |
106 | Werner | 122 | } |
123 | |||
284 | werner | 124 | void StandLoader::loadInitFile(const QString &fileName, const QString &type, ResourceUnit *ru) |
281 | werner | 125 | { |
284 | werner | 126 | QString pathFileName = GlobalSettings::instance()->path(fileName, "init"); |
127 | if (!QFile::exists(pathFileName)) |
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128 | throw IException(QString("StandLoader::loadInitFile: File %1 does not exist!").arg(pathFileName)); |
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281 | werner | 129 | |
384 | werner | 130 | if (type=="picus" || type=="single") |
294 | werner | 131 | return loadPicusFile(pathFileName, ru); |
384 | werner | 132 | if (type=="iland" || type=="distribution") |
287 | werner | 133 | return loadiLandFile(pathFileName, ru); |
281 | werner | 134 | |
384 | werner | 135 | throw IException(QLatin1String("StandLoader::loadInitFile: unknown initalization.type:")+type); |
281 | werner | 136 | } |
137 | |||
294 | werner | 138 | void StandLoader::loadPicusFile(const QString &fileName, ResourceUnit *ru) |
106 | Werner | 139 | { |
294 | werner | 140 | QString content = Helper::loadTextFile(fileName); |
141 | if (content.isEmpty()) { |
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142 | qDebug() << "file not found: " + fileName; |
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143 | return; |
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144 | } |
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145 | loadSingleTreeList(content, ru, fileName); |
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146 | } |
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147 | |||
389 | werner | 148 | /** load a list of trees (given by content) to a resource unit. Param fileName is just for error reporting. |
149 | returns the number of loaded trees. |
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150 | */ |
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151 | int StandLoader::loadSingleTreeList(const QString &content, ResourceUnit *ru, const QString &fileName) |
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294 | werner | 152 | { |
106 | Werner | 153 | if (!ru) |
154 | ru = mModel->ru(); |
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284 | werner | 155 | Q_ASSERT(ru!=0); |
106 | Werner | 156 | |
284 | werner | 157 | QPointF offset = ru->boundingBox().topLeft(); |
158 | SpeciesSet *speciesSet = ru->speciesSet(); // of default RU |
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159 | |||
384 | werner | 160 | QString my_content(content); |
161 | // cut out the <trees> </trees> part if present |
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162 | if (content.contains("<trees>")) { |
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163 | QRegExp rx(".*<trees>(.*)</trees>.*"); |
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164 | rx.indexIn(content, 0); |
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165 | if (rx.capturedTexts().count()<1) |
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389 | werner | 166 | return 0; |
384 | werner | 167 | my_content = rx.cap(1).trimmed(); |
168 | } |
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169 | |||
294 | werner | 170 | QStringList lines=my_content.split('\n'); |
106 | Werner | 171 | if (lines.count()<2) |
389 | werner | 172 | return 0; |
384 | werner | 173 | // drop comments |
174 | while (!lines.isEmpty() && lines.front().startsWith('#') ) |
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175 | lines.pop_front(); |
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176 | while (!lines.isEmpty() && lines.last().isEmpty()) |
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177 | lines.removeLast(); |
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178 | |||
106 | Werner | 179 | char sep='\t'; |
180 | if (!lines[0].contains(sep)) |
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181 | sep=';'; |
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155 | werner | 182 | QStringList headers = lines[0].trimmed().split(sep); |
138 | Werner | 183 | |
247 | werner | 184 | int iID = headers.indexOf("id"); |
106 | Werner | 185 | int iX = headers.indexOf("x"); |
186 | int iY = headers.indexOf("y"); |
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187 | int iBhd = headers.indexOf("bhdfrom"); |
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384 | werner | 188 | if (iBhd<0) |
189 | iBhd = headers.indexOf("dbh"); |
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190 | double height_conversion = 100.; |
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106 | Werner | 191 | int iHeight = headers.indexOf("treeheight"); |
384 | werner | 192 | if (iHeight<0) { |
193 | iHeight = headers.indexOf("height"); |
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194 | height_conversion = 1.; // in meter |
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195 | } |
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106 | Werner | 196 | int iSpecies = headers.indexOf("species"); |
170 | werner | 197 | int iAge = headers.indexOf("age"); |
204 | werner | 198 | if (iX==-1 || iY==-1 || iBhd==-1 || iSpecies==-1 || iHeight==-1) |
384 | werner | 199 | throw IException(QString("Initfile %1 is not valid!\nObligatory columns are: x,y, bhdfrom or dbh, species, treeheight or height.").arg(fileName)); |
106 | Werner | 200 | |
138 | Werner | 201 | double dbh; |
384 | werner | 202 | bool ok; |
389 | werner | 203 | int cnt=0; |
384 | werner | 204 | QString speciesid; |
106 | Werner | 205 | for (int i=1;i<lines.count();i++) { |
206 | QString &line = lines[i]; |
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138 | Werner | 207 | dbh = line.section(sep, iBhd, iBhd).toDouble(); |
208 | if (dbh<5.) |
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209 | continue; |
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285 | werner | 210 | |
106 | Werner | 211 | QPointF f; |
212 | if (iX>=0 && iY>=0) { |
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213 | f.setX( line.section(sep, iX, iX).toDouble() ); |
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214 | f.setY( line.section(sep, iY, iY).toDouble() ); |
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215 | f+=offset; |
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285 | werner | 216 | |
106 | Werner | 217 | } |
285 | werner | 218 | // position valid? |
219 | if (!mModel->heightGrid()->valueAt(f).isValid()) |
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220 | continue; |
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221 | Tree &tree = ru->newTree(); |
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222 | tree.setPosition(f); |
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247 | werner | 223 | if (iID>=0) |
224 | tree.setId(line.section(sep, iID, iID).toInt() ); |
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106 | Werner | 225 | |
138 | Werner | 226 | tree.setDbh(dbh); |
384 | werner | 227 | tree.setHeight(line.section(sep, iHeight, iHeight).toDouble()/height_conversion); // convert from Picus-cm to m if necessary |
228 | |||
389 | werner | 229 | speciesid = line.section(sep, iSpecies, iSpecies).trimmed(); |
270 | werner | 230 | int picusid = speciesid.toInt(&ok); |
231 | if (ok) { |
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384 | werner | 232 | int idx = picusSpeciesIds.indexOf(picusid); |
270 | werner | 233 | if (idx==-1) |
234 | throw IException(QString("Loading init-file: invalid Picus-species-id. Species: %1").arg(picusid)); |
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138 | Werner | 235 | speciesid = iLandSpeciesIds[idx]; |
270 | werner | 236 | } |
138 | Werner | 237 | Species *s = speciesSet->species(speciesid); |
238 | if (!ru || !s) |
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389 | werner | 239 | throw IException(QString("Loading init-file: either resource unit or species invalid. Species: %1").arg(speciesid)); |
388 | werner | 240 | tree.setSpecies(s); |
107 | Werner | 241 | |
388 | werner | 242 | ok = true; |
243 | if (iAge>=0) |
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244 | tree.setAge(line.section(sep, iAge, iAge).toInt(&ok), tree.height()); // this is a *real* age |
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245 | if (iAge<0 || !ok || tree.age()==0) |
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246 | tree.setAge(0, tree.height()); // no real tree age available |
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247 | |||
138 | Werner | 248 | tree.setRU(ru); |
106 | Werner | 249 | tree.setup(); |
389 | werner | 250 | cnt++; |
106 | Werner | 251 | } |
389 | werner | 252 | return cnt; |
106 | Werner | 253 | //qDebug() << "loaded init-file contained" << lines.count() <<"lines."; |
254 | //qDebug() << "lines: " << lines; |
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255 | } |
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287 | werner | 256 | |
294 | werner | 257 | void StandLoader::loadDistributionList(const QString &content, ResourceUnit *ru, const QString &fileName) |
287 | werner | 258 | { |
259 | if (!ru) |
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260 | ru = mModel->ru(); |
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261 | Q_ASSERT(ru!=0); |
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262 | SpeciesSet *speciesSet = ru->speciesSet(); // of default RU |
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263 | Q_ASSERT(speciesSet!=0); |
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264 | |||
265 | DebugTimer t("StandLoader::loadiLandFile"); |
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294 | werner | 266 | CSVFile infile; |
267 | infile.loadFromString(content); |
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268 | |||
287 | werner | 269 | int icount = infile.columnIndex("count"); |
270 | int ispecies = infile.columnIndex("species"); |
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271 | int idbh_from = infile.columnIndex("dbh_from"); |
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272 | int idbh_to = infile.columnIndex("dbh_to"); |
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273 | int ihd = infile.columnIndex("hd"); |
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274 | int iage = infile.columnIndex("age"); |
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311 | werner | 275 | int idensity = infile.columnIndex("density"); |
287 | werner | 276 | if (icount<0 || ispecies<0 || idbh_from<0 || idbh_to<0 || ihd<0 || iage<0) |
277 | throw IException(QString("load-ini-file: file '%1' containts not all required fields (count, species, dbh_from, dbh_to, hd, age).").arg(fileName)); |
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278 | |||
294 | werner | 279 | mInitItems.clear(); |
287 | werner | 280 | InitFileItem item; |
384 | werner | 281 | bool ok; |
287 | werner | 282 | for (int row=0;row<infile.rowCount();row++) { |
283 | item.count = infile.value(row, icount).toInt(); |
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284 | item.dbh_from = infile.value(row, idbh_from).toDouble(); |
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285 | item.dbh_to = infile.value(row, idbh_to).toDouble(); |
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286 | item.hd = infile.value(row, ihd).toDouble(); |
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384 | werner | 287 | ok = true; |
381 | werner | 288 | if (iage>=0) |
384 | werner | 289 | item.age = infile.value(row, iage).toInt(&ok); |
290 | if (iage<0 || !ok) |
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291 | item.age = 0; |
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292 | |||
287 | werner | 293 | item.species = speciesSet->species(infile.value(row, ispecies).toString()); |
311 | werner | 294 | if (idensity>=0) |
295 | item.density = infile.value(row, idensity).toDouble(); |
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296 | else |
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297 | item.density = 0.; |
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298 | if (item.density<-1 || item.density>1) |
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299 | throw IException(QString("load-ini-file: invalid value for density. Allowed range is -1..1: '%1' in file '%2', line %3.") |
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300 | .arg(item.density) |
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301 | .arg(fileName) |
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302 | .arg(row)); |
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287 | werner | 303 | if (!item.species) { |
304 | throw IException(QString("load-ini-file: unknown speices '%1' in file '%2', line %3.") |
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305 | .arg(infile.value(row, ispecies).toString()) |
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306 | .arg(fileName) |
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307 | .arg(row)); |
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308 | } |
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290 | werner | 309 | mInitItems.push_back(item); |
287 | werner | 310 | } |
290 | werner | 311 | // setup the random distribution |
312 | QString density_func = GlobalSettings::instance()->settings().value("model.initialization.randomFunction", "1-x^2"); |
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313 | qDebug() << "density function:" << density_func; |
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314 | if (!mRandom || (mRandom->densityFunction()!= density_func)) { |
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315 | if (mRandom) |
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316 | delete mRandom; |
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317 | mRandom=new RandomCustomPDF(density_func); |
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318 | qDebug() << "new probabilty density function:" << density_func; |
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319 | } |
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320 | |||
287 | werner | 321 | // exeucte the |
322 | executeiLandInit(ru); |
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290 | werner | 323 | ru->cleanTreeList(); |
287 | werner | 324 | |
325 | } |
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326 | |||
294 | werner | 327 | void StandLoader::loadiLandFile(const QString &fileName, ResourceUnit *ru) |
328 | { |
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329 | if (!QFile::exists(fileName)) |
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330 | throw IException(QString("load-ini-file: file '%1' does not exist.").arg(fileName)); |
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331 | QString content = Helper::loadTextFile(fileName); |
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332 | loadDistributionList(content, ru, fileName); |
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333 | } |
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334 | |||
287 | werner | 335 | // evenlist: tentative order of pixel-indices (within a 5x5 grid) used as tree positions. |
336 | // e.g. 12 = centerpixel, 0: upper left corner, ... |
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337 | int evenlist[25] = { 12, 6, 18, 16, 8, 22, 2, 10, 14, 0, 24, 20, 4, |
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338 | 1, 13, 15, 19, 21, 3, 7, 11, 17, 23, 5, 9}; |
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290 | werner | 339 | int unevenlist[25] = { 11,13,7,17, 1,19,5,21, 9,23,3,15, |
340 | 6,18,2,10,4,24,12,0,8,14,20,22}; |
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341 | |||
342 | |||
287 | werner | 343 | // sort function |
344 | bool sortPairLessThan(const QPair<int, double> &s1, const QPair<int, double> &s2) |
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311 | werner | 345 | { |
346 | return s1.second < s2.second; |
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347 | } |
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348 | |||
349 | /** |
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350 | */ |
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290 | werner | 351 | void StandLoader::executeiLandInit(ResourceUnit *ru) |
287 | werner | 352 | { |
290 | werner | 353 | |
287 | werner | 354 | QPointF offset = ru->boundingBox().topLeft(); |
355 | QPoint offsetIdx = GlobalSettings::instance()->model()->grid()->indexAt(offset); |
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356 | |||
357 | // a multimap holds a list for all trees. |
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358 | // key is the index of a 10x10m pixel within the resource unit |
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359 | QMultiMap<int, int> tree_map; |
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360 | QVector<QPair<int, double> > tcount; // counts |
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361 | for (int i=0;i<100;i++) |
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362 | tcount.push_back(QPair<int,double>(i,0.)); |
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363 | |||
364 | int key; |
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311 | werner | 365 | double rand_val, rand_fraction; |
312 | werner | 366 | int total_count = 0; |
290 | werner | 367 | foreach(const InitFileItem &item, mInitItems) { |
311 | werner | 368 | rand_fraction = fabs(double(item.density)); |
287 | werner | 369 | for (int i=0;i<item.count;i++) { |
370 | // create trees |
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371 | int tree_idx = ru->newTreeIndex(); |
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372 | Tree &tree = ru->trees()[tree_idx]; // get reference to modify tree |
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373 | tree.setDbh(nrandom(item.dbh_from, item.dbh_to)); |
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374 | tree.setHeight(tree.dbh()/100. * item.hd); // dbh from cm->m, *hd-ratio -> meter height |
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375 | tree.setSpecies(item.species); |
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384 | werner | 376 | if (item.age<=0) |
388 | werner | 377 | tree.setAge(0,tree.height()); |
381 | werner | 378 | else |
388 | werner | 379 | tree.setAge(item.age, tree.height()); |
287 | werner | 380 | tree.setRU(ru); |
381 | tree.setup(); |
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312 | werner | 382 | total_count++; |
311 | werner | 383 | |
384 | // calculate random value. "density" is from 1..-1. |
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385 | rand_val = mRandom->get(); |
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386 | if (item.density<0) |
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387 | rand_val = 1. - rand_val; |
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312 | werner | 388 | rand_val = rand_val * rand_fraction + drandom()*(1.-rand_fraction); |
311 | werner | 389 | |
287 | werner | 390 | // key: rank of target pixel |
391 | // first: index of target pixel |
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392 | // second: sum of target pixel |
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311 | werner | 393 | key = limit(int(100*rand_val), 0, 99); // get from random number generator |
287 | werner | 394 | tree_map.insert(tcount[key].first, tree_idx); // store tree in map |
395 | tcount[key].second+=tree.basalArea(); // aggregate the basal area for each 10m pixel |
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312 | werner | 396 | if ( (total_count < 20 && i%2==0) |
397 | || (total_count<100 && i%10==0 ) |
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398 | || (i%30==0) ) { |
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287 | werner | 399 | qSort(tcount.begin(), tcount.end(), sortPairLessThan); |
312 | werner | 400 | } |
287 | werner | 401 | } |
402 | qSort(tcount.begin(), tcount.end(), sortPairLessThan); |
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403 | } |
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404 | |||
405 | int bits, index, pos; |
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406 | int c; |
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407 | QList<int> trees; |
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408 | QPoint tree_pos; |
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289 | werner | 409 | |
287 | werner | 410 | for (int i=0;i<100;i++) { |
411 | trees = tree_map.values(i); |
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412 | c = trees.count(); |
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290 | werner | 413 | QPointF pixel_center = ru->boundingBox().topLeft() + QPointF((i/10)*10. + 5., (i%10)*10. + 5.); |
414 | if (!mModel->heightGrid()->valueAt(pixel_center).isValid()) { |
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415 | // no trees on that pixel: let trees die |
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416 | foreach(int tree_idx, trees) { |
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417 | ru->trees()[tree_idx].die(); |
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418 | } |
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419 | continue; |
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420 | } |
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421 | |||
287 | werner | 422 | bits = 0; |
423 | index = -1; |
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290 | werner | 424 | double r; |
287 | werner | 425 | foreach(int tree_idx, trees) { |
426 | if (c>18) { |
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427 | index = (index + 1)%25; |
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428 | } else { |
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429 | int stop=1000; |
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290 | werner | 430 | index = 0; |
287 | werner | 431 | do { |
290 | werner | 432 | //r = drandom(); |
433 | //if (r<0.5) // skip position with a prob. of 50% -> adds a little "noise" |
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434 | // index++; |
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435 | //index = (index + 1)%25; // increase and roll over |
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436 | |||
437 | // search a random position |
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438 | r = drandom(); |
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439 | index = limit(int(25 * r*r), 0, 24); // use rnd()^2 to search for locations -> higher number of low indices (i.e. 50% of lookups in first 25% of locations) |
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287 | werner | 440 | } while (isBitSet(bits, index)==true && stop--); |
441 | if (!stop) |
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442 | qDebug() << "executeiLandInit: found no free bit."; |
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443 | setBit(bits, index, true); // mark position as used |
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444 | } |
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290 | werner | 445 | // get position from fixed lists (one for even, one for uneven resource units) |
446 | pos = ru->index()%2?evenlist[index]:unevenlist[index]; |
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287 | werner | 447 | tree_pos = offsetIdx // position of resource unit |
448 | + QPoint(5*(i/10), 5*(i%10)) // relative position of 10x10m pixel |
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449 | + QPoint(pos/5, pos%5); // relative position within 10x10m pixel |
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450 | //qDebug() << tree_no++ << "to" << index; |
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451 | ru->trees()[tree_idx].setPosition(tree_pos); |
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452 | } |
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453 | } |
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454 | } |