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Rev | Author | Line No. | Line |
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1 | |||
117 | Werner | 2 | #include "global.h" |
3 | #include "tree.h" |
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3 | Werner | 4 | |
83 | Werner | 5 | #include "grid.h" |
3 | Werner | 6 | |
83 | Werner | 7 | #include "stamp.h" |
90 | Werner | 8 | #include "species.h" |
107 | Werner | 9 | #include "ressourceunit.h" |
151 | iland | 10 | #include "model.h" |
38 | Werner | 11 | |
110 | Werner | 12 | // static varaibles |
106 | Werner | 13 | FloatGrid *Tree::mGrid = 0; |
151 | iland | 14 | HeightGrid *Tree::mHeightGrid = 0; |
40 | Werner | 15 | int Tree::m_statPrint=0; |
48 | Werner | 16 | int Tree::m_statAboveZ=0; |
105 | Werner | 17 | int Tree::m_statCreated=0; |
40 | Werner | 18 | int Tree::m_nextId=0; |
19 | |||
151 | iland | 20 | void Tree::setGrid(FloatGrid* gridToStamp, Grid<HeightGridValue> *dominanceGrid) |
21 | { |
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22 | mGrid = gridToStamp; mHeightGrid = dominanceGrid; |
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23 | } |
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24 | |||
110 | Werner | 25 | // lifecycle |
3 | Werner | 26 | Tree::Tree() |
27 | { |
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149 | werner | 28 | mDbh = mHeight = 0; |
29 | mRU = 0; mSpecies = 0; |
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157 | werner | 30 | mFlags = 0; |
149 | werner | 31 | mOpacity=mFoliageMass=mWoodyMass=mRootMass=mLeafArea=0.; |
32 | mDbhDelta=mNPPReserve=mLRI=0.; |
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106 | Werner | 33 | mId = m_nextId++; |
105 | Werner | 34 | m_statCreated++; |
3 | Werner | 35 | } |
38 | Werner | 36 | |
15 | Werner | 37 | /** get distance and direction between two points. |
38 | Werner | 38 | returns the distance (m), and the angle between PStart and PEnd (radians) in referenced param rAngle. */ |
3 | Werner | 39 | float dist_and_direction(const QPointF &PStart, const QPointF &PEnd, float &rAngle) |
40 | { |
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41 | float dx = PEnd.x() - PStart.x(); |
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42 | float dy = PEnd.y() - PStart.y(); |
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43 | float d = sqrt(dx*dx + dy*dy); |
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44 | // direction: |
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45 | rAngle = atan2(dx, dy); |
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46 | return d; |
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47 | } |
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48 | |||
125 | Werner | 49 | /// dumps some core variables of a tree to a string. |
50 | QString Tree::dump() |
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51 | { |
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52 | QString result = QString("id %1 species %2 dbh %3 h %4 x/y %5/%6 ru# %7 LRI %8") |
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53 | .arg(mId).arg(mSpecies->id()).arg(mDbh).arg(mHeight) |
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156 | werner | 54 | .arg(position().x()).arg(position().y()) |
125 | Werner | 55 | .arg(mRU->index()).arg(mLRI); |
56 | return result; |
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57 | } |
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3 | Werner | 58 | |
129 | Werner | 59 | void Tree::dumpList(DebugList &rTargetList) |
60 | { |
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156 | werner | 61 | rTargetList << mId << mSpecies->id() << mDbh << mHeight << position().x() << position().y() << mRU->index() << mLRI |
136 | Werner | 62 | << mWoodyMass << mRootMass << mFoliageMass << mLeafArea; |
129 | Werner | 63 | } |
64 | |||
38 | Werner | 65 | void Tree::setup() |
66 | { |
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106 | Werner | 67 | if (mDbh<=0 || mHeight<=0) |
38 | Werner | 68 | return; |
69 | // check stamp |
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137 | Werner | 70 | Q_ASSERT_X(mSpecies!=0, "Tree::setup()", "species is NULL"); |
71 | mStamp = mSpecies->stamp(mDbh, mHeight); |
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110 | Werner | 72 | |
137 | Werner | 73 | mFoliageMass = mSpecies->biomassFoliage(mDbh); |
74 | mRootMass = mSpecies->biomassRoot(mDbh) + mFoliageMass; // coarse root (allometry) + fine root (estimated size: foliage) |
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75 | mWoodyMass = mSpecies->biomassWoody(mDbh); |
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110 | Werner | 76 | |
137 | Werner | 77 | // LeafArea[m2] = LeafMass[kg] * specificLeafArea[m2/kg] |
78 | mLeafArea = mFoliageMass * mSpecies->specificLeafArea(); |
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149 | werner | 79 | mOpacity = 1. - exp(-0.5 * mLeafArea / mStamp->crownArea()); |
137 | Werner | 80 | mNPPReserve = 2*mFoliageMass; // initial value |
81 | mDbhDelta = 0.1; // initial value: used in growth() to estimate diameter increment |
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38 | Werner | 82 | } |
39 | Werner | 83 | |
110 | Werner | 84 | ////////////////////////////////////////////////// |
85 | //// Light functions (Pattern-stuff) |
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86 | ////////////////////////////////////////////////// |
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87 | |||
70 | Werner | 88 | #define NOFULLDBG |
77 | Werner | 89 | //#define NOFULLOPT |
39 | Werner | 90 | |
40 | Werner | 91 | |
77 | Werner | 92 | void Tree::applyStamp() |
93 | { |
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144 | Werner | 94 | if (!mStamp) |
95 | return; |
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106 | Werner | 96 | Q_ASSERT(mGrid!=0 && mStamp!=0 && mRU!=0); |
156 | werner | 97 | QPoint pos = mPositionIndex; |
106 | Werner | 98 | int offset = mStamp->offset(); |
77 | Werner | 99 | pos-=QPoint(offset, offset); |
100 | |||
101 | float local_dom; // height of Z* on the current position |
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102 | int x,y; |
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103 | float value; |
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106 | Werner | 104 | int gr_stamp = mStamp->size(); |
77 | Werner | 105 | int grid_x, grid_y; |
106 | float *grid_value; |
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106 | Werner | 107 | if (!mGrid->isIndexValid(pos) || !mGrid->isIndexValid(pos+QPoint(gr_stamp, gr_stamp))) { |
77 | Werner | 108 | // todo: in this case we should use another algorithm!!! |
109 | return; |
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110 | } |
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111 | |||
112 | for (y=0;y<gr_stamp; ++y) { |
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113 | grid_y = pos.y() + y; |
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106 | Werner | 114 | grid_value = mGrid->ptr(pos.x(), grid_y); |
77 | Werner | 115 | for (x=0;x<gr_stamp;++x) { |
116 | // suppose there is no stamping outside |
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117 | grid_x = pos.x() + x; |
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118 | |||
151 | iland | 119 | local_dom = mHeightGrid->valueAtIndex(grid_x/5, grid_y/5).height; |
106 | Werner | 120 | value = (*mStamp)(x,y); // stampvalue |
149 | werner | 121 | value = 1. - value*mOpacity / local_dom; // calculated value |
77 | Werner | 122 | value = qMax(value, 0.02f); // limit value |
123 | |||
124 | *grid_value++ *= value; |
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125 | } |
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126 | } |
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127 | |||
128 | m_statPrint++; // count # of stamp applications... |
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129 | } |
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130 | |||
155 | werner | 131 | /// helper function for gluing the edges together |
132 | /// index: index at grid |
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133 | /// count: number of pixels that are the simulation area (e.g. 100m and 2m pixel -> 50) |
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134 | /// buffer: size of buffer around simulation area (in pixels) |
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135 | int torusIndex(int index, int count, int buffer) |
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136 | { |
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137 | return buffer + (index-buffer+count)%count; |
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138 | } |
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62 | Werner | 139 | |
155 | werner | 140 | |
141 | /** Apply LIPs. This "Torus" functions wraps the influence at the edges of a 1ha simulation area. |
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142 | */ |
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143 | void Tree::applyStampTorus() |
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144 | { |
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145 | if (!mStamp) |
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146 | return; |
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147 | Q_ASSERT(mGrid!=0 && mStamp!=0 && mRU!=0); |
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148 | |||
156 | werner | 149 | QPoint pos = mPositionIndex; |
155 | werner | 150 | int offset = mStamp->offset(); |
151 | pos-=QPoint(offset, offset); |
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152 | |||
153 | float local_dom; // height of Z* on the current position |
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154 | int x,y; |
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155 | float value; |
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156 | int gr_stamp = mStamp->size(); |
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157 | int grid_x, grid_y; |
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158 | float *grid_value; |
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159 | if (!mGrid->isIndexValid(pos) || !mGrid->isIndexValid(pos+QPoint(gr_stamp, gr_stamp))) { |
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160 | // todo: in this case we should use another algorithm!!! necessary???? |
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161 | return; |
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162 | } |
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163 | int bufferOffset = mGrid->indexAt(QPointF(0.,0.)).x(); // offset of buffer |
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164 | int xt, yt; // wraparound coordinates |
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165 | for (y=0;y<gr_stamp; ++y) { |
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166 | grid_y = pos.y() + y; |
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167 | yt = torusIndex(grid_y, 50,bufferOffset); // 50 cells per 100m |
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168 | for (x=0;x<gr_stamp;++x) { |
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169 | // suppose there is no stamping outside |
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170 | grid_x = pos.x() + x; |
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171 | xt = torusIndex(grid_x,50,bufferOffset); |
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172 | |||
173 | local_dom = mHeightGrid->valueAtIndex(xt/5,yt/5).height; |
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174 | value = (*mStamp)(x,y); // stampvalue |
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175 | value = 1. - value*mOpacity / local_dom; // calculated value |
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176 | value = qMax(value, 0.02f); // limit value |
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177 | |||
178 | grid_value = mGrid->ptr(xt, yt); // use wraparound coordinates |
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179 | *grid_value *= value; |
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180 | } |
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181 | } |
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182 | |||
183 | m_statPrint++; // count # of stamp applications... |
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184 | } |
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185 | |||
74 | Werner | 186 | /** heightGrid() |
187 | This function calculates the "dominant height field". This grid is coarser as the fine-scaled light-grid. |
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188 | */ |
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189 | void Tree::heightGrid() |
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190 | { |
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191 | // height of Z* |
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106 | Werner | 192 | const float cellsize = mHeightGrid->cellsize(); |
74 | Werner | 193 | |
156 | werner | 194 | QPoint p = QPoint(mPositionIndex.x()/5, mPositionIndex.y()/5); // pos of tree on height grid |
74 | Werner | 195 | |
151 | iland | 196 | // count trees that are on height-grid cells (used for stockable area) |
197 | mHeightGrid->valueAtIndex(p).count++; |
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198 | |||
156 | werner | 199 | int index_eastwest = mPositionIndex.x() % 5; // 4: very west, 0 east edge |
200 | int index_northsouth = mPositionIndex.y() % 5; // 4: northern edge, 0: southern edge |
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74 | Werner | 201 | int dist[9]; |
202 | dist[3] = index_northsouth * 2 + 1; // south |
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203 | dist[1] = index_eastwest * 2 + 1; // west |
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204 | dist[5] = 10 - dist[3]; // north |
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205 | dist[7] = 10 - dist[1]; // east |
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206 | dist[8] = qMax(dist[5], dist[7]); // north-east |
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207 | dist[6] = qMax(dist[3], dist[7]); // south-east |
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208 | dist[0] = qMax(dist[3], dist[1]); // south-west |
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209 | dist[2] = qMax(dist[5], dist[1]); // north-west |
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75 | Werner | 210 | dist[4] = 0; // center cell |
76 | Werner | 211 | /* the scheme of indices is as follows: if sign(ix)= -1, if ix<0, 0 for ix=0, 1 for ix>0 (detto iy), then: |
212 | index = 4 + 3*sign(ix) + sign(iy) transforms combinations of directions to unique ids (0..8), which are used above. |
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213 | e.g.: sign(ix) = -1, sign(iy) = 1 (=north-west) -> index = 4 + -3 + 1 = 2 |
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214 | */ |
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74 | Werner | 215 | |
216 | |||
106 | Werner | 217 | int ringcount = int(floor(mHeight / cellsize)) + 1; |
74 | Werner | 218 | int ix, iy; |
219 | int ring; |
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220 | QPoint pos; |
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221 | float hdom; |
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222 | |||
223 | for (ix=-ringcount;ix<=ringcount;ix++) |
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224 | for (iy=-ringcount; iy<=+ringcount; iy++) { |
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225 | ring = qMax(abs(ix), abs(iy)); |
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226 | QPoint pos(ix+p.x(), iy+p.y()); |
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106 | Werner | 227 | if (mHeightGrid->isIndexValid(pos)) { |
151 | iland | 228 | float &rHGrid = mHeightGrid->valueAtIndex(pos).height; |
106 | Werner | 229 | if (rHGrid > mHeight) // skip calculation if grid is higher than tree |
74 | Werner | 230 | continue; |
231 | int direction = 4 + (ix?(ix<0?-3:3):0) + (iy?(iy<0?-1:1):0); // 4 + 3*sgn(x) + sgn(y) |
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106 | Werner | 232 | hdom = mHeight - dist[direction]; |
74 | Werner | 233 | if (ring>1) |
234 | hdom -= (ring-1)*10; |
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235 | |||
236 | rHGrid = qMax(rHGrid, hdom); // write value |
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237 | } // is valid |
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238 | } // for (y) |
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39 | Werner | 239 | } |
40 | Werner | 240 | |
155 | werner | 241 | |
242 | |||
243 | void Tree::readStamp() |
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40 | Werner | 244 | { |
106 | Werner | 245 | if (!mStamp) |
155 | werner | 246 | return; |
247 | const Stamp *reader = mStamp->reader(); |
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248 | if (!reader) |
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249 | return; |
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156 | werner | 250 | QPoint pos_reader = mPositionIndex; |
155 | werner | 251 | |
252 | int offset_reader = reader->offset(); |
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253 | int offset_writer = mStamp->offset(); |
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254 | int d_offset = offset_writer - offset_reader; // offset on the *stamp* to the crown-cells |
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255 | |||
256 | QPoint pos_writer=pos_reader - QPoint(offset_writer, offset_writer); |
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257 | pos_reader-=QPoint(offset_reader, offset_reader); |
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40 | Werner | 258 | QPoint p; |
259 | |||
155 | werner | 260 | //float dom_height = (*m_dominanceGrid)[m_Position]; |
261 | float local_dom; |
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262 | |||
40 | Werner | 263 | int x,y; |
264 | double sum=0.; |
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155 | werner | 265 | double value, own_value; |
266 | float *grid_value; |
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267 | int reader_size = reader->size(); |
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268 | int rx = pos_reader.x(); |
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269 | int ry = pos_reader.y(); |
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270 | for (y=0;y<reader_size; ++y, ++ry) { |
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271 | grid_value = mGrid->ptr(rx, ry); |
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272 | for (x=0;x<reader_size;++x) { |
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273 | |||
274 | //p = pos_reader + QPoint(x,y); |
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275 | //if (m_grid->isIndexValid(p)) { |
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276 | local_dom = mHeightGrid->valueAtIndex((rx+x)/5, ry/5).height; // ry: gets ++ed in outer loop, rx not |
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277 | //local_dom = m_dominanceGrid->valueAt( m_grid->cellCoordinates(p) ); |
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278 | |||
279 | own_value = 1. - mStamp->offsetValue(x,y,d_offset)*mOpacity / local_dom; // old: dom_height; |
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280 | own_value = qMax(own_value, 0.02); |
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281 | value = *grid_value++ / own_value; // remove impact of focal tree |
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282 | //if (value>0.) |
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283 | sum += value * (*reader)(x,y); |
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284 | |||
285 | //} // isIndexValid |
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40 | Werner | 286 | } |
287 | } |
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155 | werner | 288 | mLRI = sum; |
48 | Werner | 289 | // read dominance field... |
155 | werner | 290 | // this applies only if some trees are potentially *higher* than the dominant height grid |
291 | //if (dom_height < m_Height) { |
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48 | Werner | 292 | // if tree is higher than Z*, the dominance height |
293 | // a part of the crown is in "full light". |
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155 | werner | 294 | // m_statAboveZ++; |
295 | // mImpact = 1. - (1. - mImpact)*dom_height/m_Height; |
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296 | //} |
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297 | if (mLRI > 1.) |
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298 | mLRI = 1.; |
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299 | //qDebug() << "Tree #"<< id() << "value" << sum << "Impact" << mImpact; |
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300 | mRU->addWLA(mLRI*mLeafArea, mLeafArea); |
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40 | Werner | 301 | } |
302 | |||
155 | werner | 303 | void Tree::heightGridTorus() |
304 | { |
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305 | // height of Z* |
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306 | const float cellsize = mHeightGrid->cellsize(); |
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58 | Werner | 307 | |
156 | werner | 308 | QPoint p = QPoint(mPositionIndex.x()/5, mPositionIndex.y()/5); // pos of tree on height grid |
155 | werner | 309 | |
310 | // count trees that are on height-grid cells (used for stockable area) |
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311 | mHeightGrid->valueAtIndex(p).count++; |
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312 | |||
156 | werner | 313 | int index_eastwest = mPositionIndex.x() % 5; // 4: very west, 0 east edge |
314 | int index_northsouth = mPositionIndex.y() % 5; // 4: northern edge, 0: southern edge |
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155 | werner | 315 | int dist[9]; |
316 | dist[3] = index_northsouth * 2 + 1; // south |
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317 | dist[1] = index_eastwest * 2 + 1; // west |
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318 | dist[5] = 10 - dist[3]; // north |
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319 | dist[7] = 10 - dist[1]; // east |
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320 | dist[8] = qMax(dist[5], dist[7]); // north-east |
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321 | dist[6] = qMax(dist[3], dist[7]); // south-east |
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322 | dist[0] = qMax(dist[3], dist[1]); // south-west |
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323 | dist[2] = qMax(dist[5], dist[1]); // north-west |
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324 | dist[4] = 0; // center cell |
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325 | /* the scheme of indices is as follows: if sign(ix)= -1, if ix<0, 0 for ix=0, 1 for ix>0 (detto iy), then: |
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326 | index = 4 + 3*sign(ix) + sign(iy) transforms combinations of directions to unique ids (0..8), which are used above. |
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327 | e.g.: sign(ix) = -1, sign(iy) = 1 (=north-west) -> index = 4 + -3 + 1 = 2 |
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328 | */ |
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329 | |||
330 | |||
331 | int ringcount = int(floor(mHeight / cellsize)) + 1; |
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332 | int ix, iy; |
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333 | int ring; |
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334 | QPoint pos; |
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335 | float hdom; |
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336 | int bufferOffset = mHeightGrid->indexAt(QPointF(0.,0.)).x(); // offset of buffer |
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337 | for (ix=-ringcount;ix<=ringcount;ix++) |
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338 | for (iy=-ringcount; iy<=+ringcount; iy++) { |
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339 | ring = qMax(abs(ix), abs(iy)); |
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340 | QPoint pos(ix+p.x(), iy+p.y()); |
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341 | if (mHeightGrid->isIndexValid(pos)) { |
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342 | float &rHGrid = mHeightGrid->valueAtIndex(torusIndex(pos.x(),10,bufferOffset), torusIndex(pos.y(),10,bufferOffset)).height; |
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343 | if (rHGrid > mHeight) // skip calculation if grid is higher than tree |
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344 | continue; |
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345 | int direction = 4 + (ix?(ix<0?-3:3):0) + (iy?(iy<0?-1:1):0); // 4 + 3*sgn(x) + sgn(y) |
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346 | hdom = mHeight - dist[direction]; |
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347 | if (ring>1) |
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348 | hdom -= (ring-1)*10; |
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349 | |||
350 | rHGrid = qMax(rHGrid, hdom); // write value |
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351 | } // is valid |
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352 | } // for (y) |
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353 | } |
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354 | |||
355 | /// Torus version of read stamp (glued edges) |
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356 | void Tree::readStampTorus() |
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78 | Werner | 357 | { |
106 | Werner | 358 | if (!mStamp) |
107 | Werner | 359 | return; |
106 | Werner | 360 | const Stamp *reader = mStamp->reader(); |
78 | Werner | 361 | if (!reader) |
107 | Werner | 362 | return; |
156 | werner | 363 | QPoint pos_reader = mPositionIndex; |
78 | Werner | 364 | |
365 | int offset_reader = reader->offset(); |
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106 | Werner | 366 | int offset_writer = mStamp->offset(); |
78 | Werner | 367 | int d_offset = offset_writer - offset_reader; // offset on the *stamp* to the crown-cells |
368 | |||
369 | QPoint pos_writer=pos_reader - QPoint(offset_writer, offset_writer); |
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370 | pos_reader-=QPoint(offset_reader, offset_reader); |
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371 | QPoint p; |
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372 | |||
373 | //float dom_height = (*m_dominanceGrid)[m_Position]; |
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374 | float local_dom; |
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375 | |||
376 | int x,y; |
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377 | double sum=0.; |
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378 | double value, own_value; |
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379 | float *grid_value; |
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380 | int reader_size = reader->size(); |
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381 | int rx = pos_reader.x(); |
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382 | int ry = pos_reader.y(); |
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155 | werner | 383 | int xt, yt; // wrapped coords |
384 | int bufferOffset = mGrid->indexAt(QPointF(0.,0.)).x(); // offset of buffer |
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385 | |||
78 | Werner | 386 | for (y=0;y<reader_size; ++y, ++ry) { |
106 | Werner | 387 | grid_value = mGrid->ptr(rx, ry); |
78 | Werner | 388 | for (x=0;x<reader_size;++x) { |
155 | werner | 389 | xt = torusIndex(rx+x,50, bufferOffset); |
390 | yt = torusIndex(ry+y,50, bufferOffset); |
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391 | grid_value = mGrid->ptr(xt,yt); |
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78 | Werner | 392 | //p = pos_reader + QPoint(x,y); |
393 | //if (m_grid->isIndexValid(p)) { |
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155 | werner | 394 | local_dom = mHeightGrid->valueAtIndex(xt/5, yt/5).height; // ry: gets ++ed in outer loop, rx not |
78 | Werner | 395 | //local_dom = m_dominanceGrid->valueAt( m_grid->cellCoordinates(p) ); |
125 | Werner | 396 | |
149 | werner | 397 | own_value = 1. - mStamp->offsetValue(x,y,d_offset)*mOpacity / local_dom; // old: dom_height; |
78 | Werner | 398 | own_value = qMax(own_value, 0.02); |
155 | werner | 399 | value = *grid_value / own_value; // remove impact of focal tree |
78 | Werner | 400 | //if (value>0.) |
401 | sum += value * (*reader)(x,y); |
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402 | |||
403 | //} // isIndexValid |
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404 | } |
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405 | } |
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106 | Werner | 406 | mLRI = sum; |
78 | Werner | 407 | // read dominance field... |
408 | // this applies only if some trees are potentially *higher* than the dominant height grid |
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409 | //if (dom_height < m_Height) { |
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410 | // if tree is higher than Z*, the dominance height |
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411 | // a part of the crown is in "full light". |
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412 | // m_statAboveZ++; |
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413 | // mImpact = 1. - (1. - mImpact)*dom_height/m_Height; |
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414 | //} |
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148 | iland | 415 | if (mLRI > 1.) |
416 | mLRI = 1.; |
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78 | Werner | 417 | //qDebug() << "Tree #"<< id() << "value" << sum << "Impact" << mImpact; |
148 | iland | 418 | mRU->addWLA(mLRI*mLeafArea, mLeafArea); |
58 | Werner | 419 | } |
420 | |||
155 | werner | 421 | |
40 | Werner | 422 | void Tree::resetStatistics() |
423 | { |
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424 | m_statPrint=0; |
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105 | Werner | 425 | m_statCreated=0; |
48 | Werner | 426 | m_statAboveZ=0; |
40 | Werner | 427 | m_nextId=1; |
428 | } |
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107 | Werner | 429 | |
110 | Werner | 430 | ////////////////////////////////////////////////// |
431 | //// Growth Functions |
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432 | ////////////////////////////////////////////////// |
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107 | Werner | 433 | |
110 | Werner | 434 | |
107 | Werner | 435 | void Tree::grow() |
436 | { |
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147 | werner | 437 | // step 1: get radiation from ressource unit: radiation (MJ/tree/year) total intercepted radiation for this tree per year! |
438 | double radiation = mRU->interceptedRadiation(mLeafArea, mLRI); |
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113 | Werner | 439 | // step 2: get fraction of PARutilized, i.e. fraction of intercepted rad that is utiliziable (per year) |
107 | Werner | 440 | |
115 | Werner | 441 | double raw_gpp_per_rad = mRU->ressourceUnitSpecies(mSpecies).prod3PG().GPPperRad(); |
133 | Werner | 442 | // GPP (without aging-effect) [gC] / year -> kg/GPP (*0.001) |
443 | double raw_gpp = raw_gpp_per_rad * radiation * 0.001; |
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113 | Werner | 444 | /* |
445 | if (mRU->index()==3) { |
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446 | qDebug() << "tree production: radiation: " << radiation << "gpp/rad:" << raw_gpp_per_rad << "gpp" << raw_gpp << "LRI:" << mLRI << "LeafArea:" << mLeafArea; |
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447 | }*/ |
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115 | Werner | 448 | // apply aging |
449 | double gpp = raw_gpp * 0.6; // aging |
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450 | double npp = gpp * 0.47; // respiration loss |
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113 | Werner | 451 | |
133 | Werner | 452 | DBGMODE( |
137 | Werner | 453 | if (GlobalSettings::instance()->isDebugEnabled(GlobalSettings::dTreeNPP) && isDebugging()) { |
133 | Werner | 454 | DebugList &out = GlobalSettings::instance()->debugList(mId, GlobalSettings::dTreeNPP); |
455 | dumpList(out); // add tree headers |
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456 | out << radiation << raw_gpp << gpp << npp; |
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457 | } |
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458 | ); // DBGMODE() |
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459 | |||
115 | Werner | 460 | partitioning(npp); |
461 | |||
143 | Werner | 462 | mStamp = mSpecies->stamp(mDbh, mHeight); // get new stamp for updated dimensions |
149 | werner | 463 | // calculate the CrownFactor which reflects the opacity of the crown |
153 | werner | 464 | mOpacity = 1. - exp(-0.7 * mLeafArea / mStamp->crownArea()); |
110 | Werner | 465 | |
149 | werner | 466 | |
107 | Werner | 467 | } |
468 | |||
117 | Werner | 469 | |
470 | // just used to test the DBG_IF_x macros... |
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471 | QString test_cntr() |
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472 | { |
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473 | static int cnt = 0; |
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474 | cnt++; |
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475 | return QString::number(cnt); |
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476 | } |
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477 | |||
115 | Werner | 478 | void Tree::partitioning(double npp) |
479 | { |
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119 | Werner | 480 | DBGMODE( |
481 | if (mId==1) |
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482 | test_cntr(); |
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483 | ); |
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115 | Werner | 484 | double harshness = mRU->ressourceUnitSpecies(mSpecies).prod3PG().harshness(); |
485 | // add content of reserve pool |
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116 | Werner | 486 | npp += mNPPReserve; |
136 | Werner | 487 | const double foliage_mass_allo = mSpecies->biomassFoliage(mDbh); |
488 | const double reserve_size = 2 * foliage_mass_allo; |
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119 | Werner | 489 | |
136 | Werner | 490 | double apct_wood, apct_root, apct_foliage; // allocation percentages (sum=1) (eta) |
117 | Werner | 491 | // turnover rates |
492 | const double &to_fol = mSpecies->turnoverLeaf(); |
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493 | const double &to_root = mSpecies->turnoverRoot(); |
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136 | Werner | 494 | // the turnover rate of wood depends on the size of the reserve pool: |
116 | Werner | 495 | |
136 | Werner | 496 | double to_wood = reserve_size / (mWoodyMass + reserve_size); |
497 | |||
117 | Werner | 498 | apct_root = harshness; |
136 | Werner | 499 | double b_wf = mSpecies->allometricRatio_wf(); // ratio of allometric exponents... now fixed |
117 | Werner | 500 | |
501 | // Duursma 2007, Eq. (20) |
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136 | Werner | 502 | apct_wood = (foliage_mass_allo * to_wood / npp + b_wf*(1.-apct_root) - b_wf * to_fol/npp) / ( foliage_mass_allo / mWoodyMass + b_wf ); |
117 | Werner | 503 | apct_foliage = 1. - apct_root - apct_wood; |
504 | |||
136 | Werner | 505 | // Change of biomass compartments |
506 | // Roots |
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137 | Werner | 507 | double delta_root = apct_root * npp - mRootMass * to_root; |
508 | mRootMass += delta_root; |
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119 | Werner | 509 | |
136 | Werner | 510 | // Foliage |
137 | Werner | 511 | double delta_foliage = apct_foliage * npp - mFoliageMass * to_fol; |
512 | mFoliageMass += delta_foliage; |
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513 | mLeafArea = mFoliageMass * mSpecies->specificLeafArea(); // update leaf area |
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119 | Werner | 514 | |
136 | Werner | 515 | // Woody compartments |
516 | // (1) transfer to reserve pool |
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517 | double gross_woody = apct_wood * npp; |
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518 | double to_reserve = qMin(reserve_size, gross_woody); |
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519 | mNPPReserve = to_reserve; |
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520 | double net_woody = gross_woody - to_reserve; |
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137 | Werner | 521 | double net_stem = 0.; |
136 | Werner | 522 | if (net_woody > 0.) { |
523 | // (2) calculate part of increment that is dedicated to the stem (which is a function of diameter) |
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137 | Werner | 524 | net_stem = net_woody * mSpecies->allometricFractionStem(mDbh); |
525 | mWoodyMass += net_woody; |
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136 | Werner | 526 | // (3) growth of diameter and height baseed on net stem increment |
527 | grow_diameter(net_stem); |
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528 | } |
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119 | Werner | 529 | |
129 | Werner | 530 | DBGMODE( |
137 | Werner | 531 | if (GlobalSettings::instance()->isDebugEnabled(GlobalSettings::dTreePartition) |
532 | && isDebugging() ) { |
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129 | Werner | 533 | DebugList &out = GlobalSettings::instance()->debugList(mId, GlobalSettings::dTreePartition); |
534 | dumpList(out); // add tree headers |
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136 | Werner | 535 | out << npp << apct_foliage << apct_wood << apct_root |
137 | Werner | 536 | << delta_foliage << net_woody << delta_root << mNPPReserve << net_stem; |
537 | } |
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144 | Werner | 538 | |
129 | Werner | 539 | ); // DBGMODE() |
144 | Werner | 540 | //DBGMODE( |
541 | if (mWoodyMass<0. || mWoodyMass>10000 || mFoliageMass<0. || mFoliageMass>1000. || mRootMass<0. || mRootMass>10000 |
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542 | || mNPPReserve>2000.) { |
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543 | qDebug() << "Tree:partitioning: invalid pools."; |
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544 | qDebug() << GlobalSettings::instance()->debugListCaptions(GlobalSettings::DebugOutputs(0)); |
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545 | DebugList dbg; dumpList(dbg); |
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546 | qDebug() << dbg; |
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547 | } //); |
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548 | |||
136 | Werner | 549 | /*DBG_IF_X(mId == 1 , "Tree::partitioning", "dump", dump() |
550 | + QString("npp %1 npp_reserve %9 sen_fol %2 sen_stem %3 sen_root %4 net_fol %5 net_stem %6 net_root %7 to_reserve %8") |
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551 | .arg(npp).arg(senescence_foliage).arg(senescence_stem).arg(senescence_root) |
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552 | .arg(net_foliage).arg(net_stem).arg(net_root).arg(to_reserve).arg(mNPPReserve) );*/ |
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129 | Werner | 553 | |
115 | Werner | 554 | } |
555 | |||
125 | Werner | 556 | |
134 | Werner | 557 | /** Determination of diamter and height growth based on increment of the stem mass (@p net_stem_npp). |
125 | Werner | 558 | Refer to XXX for equations and variables. |
559 | This function updates the dbh and height of the tree. |
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153 | werner | 560 | The equations are based on dbh in meters! |
125 | Werner | 561 | */ |
119 | Werner | 562 | inline void Tree::grow_diameter(const double &net_stem_npp) |
563 | { |
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564 | // determine dh-ratio of increment |
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565 | // height increment is a function of light competition: |
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125 | Werner | 566 | double hd_growth = relative_height_growth(); // hd of height growth |
153 | werner | 567 | double d_m = mDbh / 100.; // current diameter in [m] |
568 | const double d_delta_m = mDbhDelta / 100.; // increment of last year in [m] |
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115 | Werner | 569 | |
142 | Werner | 570 | const double mass_factor = mSpecies->volumeFactor() * mSpecies->density(); |
153 | werner | 571 | double stem_mass = mass_factor * d_m*d_m * mHeight; // result: kg, dbh[cm], h[meter] |
123 | Werner | 572 | |
153 | werner | 573 | // factor is in diameter increment per NPP [m/kg] |
574 | double factor_diameter = 1. / ( mass_factor * (d_m + d_delta_m)*(d_m + d_delta_m) * ( 2. * mHeight/d_m + hd_growth) ); |
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125 | Werner | 575 | double delta_d_estimate = factor_diameter * net_stem_npp; // estimated dbh-inc using last years increment |
576 | |||
577 | // using that dbh-increment we estimate a stem-mass-increment and the residual (Eq. 9) |
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153 | werner | 578 | double stem_estimate = mass_factor * (d_m + delta_d_estimate)*(d_m + delta_d_estimate)*(mHeight + delta_d_estimate*hd_growth); |
137 | Werner | 579 | double stem_residual = stem_estimate - (stem_mass + net_stem_npp); |
125 | Werner | 580 | |
581 | // the final increment is then: |
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582 | double d_increment = factor_diameter * (net_stem_npp - stem_residual); // Eq. (11) |
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144 | Werner | 583 | DBG_IF_X(d_increment<0. || d_increment>0.1, "Tree::grow_dimater", "increment out of range.", dump() |
125 | Werner | 584 | + QString("\nhdz %1 factor_diameter %2 stem_residual %3 delta_d_estimate %4 d_increment %5 final residual(kg) %6") |
585 | .arg(hd_growth).arg(factor_diameter).arg(stem_residual).arg(delta_d_estimate).arg(d_increment) |
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142 | Werner | 586 | .arg( mass_factor * (mDbh + d_increment)*(mDbh + d_increment)*(mHeight + d_increment*hd_growth)-((stem_mass + net_stem_npp)) )); |
125 | Werner | 587 | |
588 | DBGMODE( |
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153 | werner | 589 | double res_final = mass_factor * (d_m + d_increment)*(d_m + d_increment)*(mHeight + d_increment*hd_growth)-((stem_mass + net_stem_npp)); |
125 | Werner | 590 | DBG_IF_X(res_final > 1, "Tree::grow_diameter", "final residual stem estimate > 1kg", dump()); |
153 | werner | 591 | DBG_IF_X(d_increment > 10. || d_increment*hd_growth >10., "Tree::grow_diameter", "growth out of bound:",QString("d-increment %1 h-increment %2 ").arg(d_increment).arg(d_increment*hd_growth/100.) + dump()); |
125 | Werner | 592 | //dbgstruct["sen_demand"]=sen_demand; |
137 | Werner | 593 | if (GlobalSettings::instance()->isDebugEnabled(GlobalSettings::dTreeGrowth) && isDebugging() ) { |
126 | Werner | 594 | DebugList &out = GlobalSettings::instance()->debugList(mId, GlobalSettings::dTreeGrowth); |
129 | Werner | 595 | dumpList(out); // add tree headers |
143 | Werner | 596 | out << net_stem_npp << stem_mass << hd_growth << factor_diameter << delta_d_estimate*100 << d_increment*100; |
126 | Werner | 597 | } |
153 | werner | 598 | |
142 | Werner | 599 | ); // DBGMODE() |
125 | Werner | 600 | |
601 | d_increment = qMax(d_increment, 0.); |
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602 | |||
603 | // update state variables |
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153 | werner | 604 | mDbh += d_increment*100; // convert from [m] to [cm] |
605 | mDbhDelta = d_increment*100; // save for next year's growth |
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606 | mHeight += d_increment * hd_growth; |
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119 | Werner | 607 | } |
608 | |||
125 | Werner | 609 | |
610 | /// return the HD ratio of this year's increment based on the light status. |
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119 | Werner | 611 | inline double Tree::relative_height_growth() |
612 | { |
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613 | double hd_low, hd_high; |
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614 | mSpecies->hdRange(mDbh, hd_low, hd_high); |
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615 | |||
125 | Werner | 616 | DBG_IF_X(hd_low>hd_high, "Tree::relative_height_growth", "hd low higher dann hd_high for ", dump()); |
617 | DBG_IF_X(hd_low < 20 || hd_high>250, "Tree::relative_height_growth", "hd out of range ", dump() + QString(" hd-low: %1 hd-high: %2").arg(hd_low).arg(hd_high)); |
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618 | |||
619 | // scale according to LRI: if receiving much light (LRI=1), the result is hd_low (for open grown trees) |
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620 | double hd_ratio = hd_high - (hd_high-hd_low)*mLRI; |
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621 | return hd_ratio; |
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119 | Werner | 622 | } |
141 | Werner | 623 | |
624 | |||
625 | ////////////////////////////////////////////////// |
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626 | //// value functions |
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627 | ////////////////////////////////////////////////// |
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628 | |||
145 | Werner | 629 | double Tree::volume() const |
141 | Werner | 630 | { |
631 | /// @see Species::volumeFactor() for details |
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142 | Werner | 632 | const double volume_factor = mSpecies->volumeFactor(); |
157 | werner | 633 | const double volume = volume_factor * mDbh*mDbh*mHeight * 0.0001; // dbh in cm: cm/100 * cm/100 = cm*cm * 0.0001 = m2 |
141 | Werner | 634 | return volume; |
635 | } |