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1 | Redirecting to URL 'https://iland.boku.ac.at/svn/iland/tags/release_1.0/src/core/saplings.cpp': |
1 | Redirecting to URL 'https://iland.boku.ac.at/svn/iland/tags/release_1.0/src/core/saplings.cpp': |
2 | /********************************************************************************************
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2 | /********************************************************************************************
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3 | ** iLand - an individual based forest landscape and disturbance model
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3 | ** iLand - an individual based forest landscape and disturbance model
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4 | ** http://iland.boku.ac.at
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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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5 | ** Copyright (C) 2009- Werner Rammer, Rupert Seidl
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6 | **
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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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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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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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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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10 | ** (at your option) any later version.
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11 | **
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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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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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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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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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15 | ** GNU General Public License for more details.
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16 | **
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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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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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18 | ** along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 | ********************************************************************************************/
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19 | ********************************************************************************************/
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20 | #include "global.h"
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20 | #include "global.h"
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21 | #include "saplings.h"
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21 | #include "saplings.h"
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22 | 22 | ||
23 | #include "globalsettings.h"
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23 | #include "globalsettings.h"
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24 | #include "model.h"
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24 | #include "model.h"
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25 | #include "resourceunit.h"
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25 | #include "resourceunit.h"
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26 | #include "resourceunitspecies.h"
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26 | #include "resourceunitspecies.h"
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27 | #include "establishment.h"
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27 | #include "establishment.h"
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28 | #include "species.h"
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28 | #include "species.h"
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29 | #include "seeddispersal.h"
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29 | #include "seeddispersal.h"
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30 | #include "mapgrid.h"
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30 | #include "mapgrid.h"
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31 | 31 | ||
32 | double Saplings::mRecruitmentVariation = 0.1; // +/- 10% |
32 | double Saplings::mRecruitmentVariation = 0.1; // +/- 10% |
33 | double Saplings::mBrowsingPressure = 0.; |
33 | double Saplings::mBrowsingPressure = 0.; |
34 | 34 | ||
35 | 35 | ||
36 | Saplings::Saplings() |
36 | Saplings::Saplings() |
37 | {
|
37 | {
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38 | 38 | ||
39 | }
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39 | }
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40 | 40 | ||
41 | void Saplings::setup() |
41 | void Saplings::setup() |
42 | {
|
42 | {
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43 | //mGrid.setup(GlobalSettings::instance()->model()->grid()->metricRect(), GlobalSettings::instance()->model()->grid()->cellsize());
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43 | //mGrid.setup(GlobalSettings::instance()->model()->grid()->metricRect(), GlobalSettings::instance()->model()->grid()->cellsize());
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44 | FloatGrid *lif_grid = GlobalSettings::instance()->model()->grid(); |
44 | FloatGrid *lif_grid = GlobalSettings::instance()->model()->grid(); |
45 | // mask out out-of-project areas
|
45 | // mask out out-of-project areas
|
46 | HeightGrid *hg = GlobalSettings::instance()->model()->heightGrid(); |
46 | HeightGrid *hg = GlobalSettings::instance()->model()->heightGrid(); |
47 | for (int i=0; i<lif_grid->count(); ++i) { |
47 | for (int i=0; i<lif_grid->count(); ++i) { |
48 | SaplingCell *s = cell(lif_grid->indexOf(i), false); // false: retrieve also invalid cells |
48 | SaplingCell *s = cell(lif_grid->indexOf(i), false); // false: retrieve also invalid cells |
49 | if (s) { |
49 | if (s) { |
50 | if (!hg->valueAtIndex(lif_grid->index5(i)).isValid()) |
50 | if (!hg->valueAtIndex(lif_grid->index5(i)).isValid()) |
51 | s->state = SaplingCell::CellInvalid; |
51 | s->state = SaplingCell::CellInvalid; |
52 | else
|
52 | else
|
53 | s->state = SaplingCell::CellFree; |
53 | s->state = SaplingCell::CellFree; |
54 | }
|
54 | }
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55 | 55 | ||
56 | }
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56 | }
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57 | 57 | ||
58 | }
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58 | }
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59 | 59 | ||
60 | void Saplings::calculateInitialStatistics(const ResourceUnit *ru) |
60 | void Saplings::calculateInitialStatistics(const ResourceUnit *ru) |
61 | {
|
61 | {
|
62 | SaplingCell *sap_cells = ru->saplingCellArray(); |
62 | SaplingCell *sap_cells = ru->saplingCellArray(); |
63 | if (!sap_cells) |
63 | if (!sap_cells) |
64 | return; |
64 | return; |
65 | 65 | ||
66 | SaplingCell *s = sap_cells; |
66 | SaplingCell *s = sap_cells; |
67 | 67 | ||
68 | for (int i=0; i<cPxPerHectare; ++i, ++s) { |
68 | for (int i=0; i<cPxPerHectare; ++i, ++s) { |
69 | if (s->state != SaplingCell::CellInvalid) { |
69 | if (s->state != SaplingCell::CellInvalid) { |
70 | int cohorts_on_px = s->n_occupied(); |
70 | int cohorts_on_px = s->n_occupied(); |
71 | for (int j=0;j<NSAPCELLS;++j) { |
71 | for (int j=0;j<NSAPCELLS;++j) { |
72 | if (s->saplings[j].is_occupied()) { |
72 | if (s->saplings[j].is_occupied()) { |
73 | SaplingTree &tree=s->saplings[j]; |
73 | SaplingTree &tree=s->saplings[j]; |
74 | ResourceUnitSpecies *rus = tree.resourceUnitSpecies(ru); |
74 | ResourceUnitSpecies *rus = tree.resourceUnitSpecies(ru); |
75 | rus->saplingStat().mLiving++; |
75 | rus->saplingStat().mLiving++; |
76 | double n_repr = rus->species()->saplingGrowthParameters().representedStemNumberH(tree.height) / static_cast<double>(cohorts_on_px); |
76 | double n_repr = rus->species()->saplingGrowthParameters().representedStemNumberH(tree.height) / static_cast<double>(cohorts_on_px); |
77 | if (tree.height>1.3f) |
77 | if (tree.height>1.3f) |
78 | rus->saplingStat().mLivingSaplings += n_repr; |
78 | rus->saplingStat().mLivingSaplings += n_repr; |
79 | else
|
79 | else
|
80 | rus->saplingStat().mLivingSmallSaplings += n_repr; |
80 | rus->saplingStat().mLivingSmallSaplings += n_repr; |
81 | 81 | ||
82 | rus->saplingStat().mAvgHeight+=tree.height; |
82 | rus->saplingStat().mAvgHeight+=tree.height; |
83 | rus->saplingStat().mAvgAge+=tree.age; |
83 | rus->saplingStat().mAvgAge+=tree.age; |
84 | 84 | ||
85 | }
|
85 | }
|
86 | }
|
86 | }
|
87 | }
|
87 | }
|
88 | }
|
88 | }
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89 | 89 | ||
90 | 90 | ||
91 | }
|
91 | }
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92 | 92 | ||
93 | void Saplings::establishment(const ResourceUnit *ru) |
93 | void Saplings::establishment(const ResourceUnit *ru) |
94 | {
|
94 | {
|
95 | FloatGrid *lif_grid = GlobalSettings::instance()->model()->grid(); |
95 | FloatGrid *lif_grid = GlobalSettings::instance()->model()->grid(); |
96 | 96 | ||
97 | QPoint imap = ru->cornerPointOffset(); // offset on LIF/saplings grid |
97 | QPoint imap = ru->cornerPointOffset(); // offset on LIF/saplings grid |
98 | QPoint iseedmap = QPoint(imap.x()/10, imap.y()/10); // seed-map has 20m resolution, LIF 2m -> factor 10 |
98 | QPoint iseedmap = QPoint(imap.x()/10, imap.y()/10); // seed-map has 20m resolution, LIF 2m -> factor 10 |
99 | 99 | ||
100 | for (QList<ResourceUnitSpecies*>::const_iterator i=ru->ruSpecies().constBegin(); i!=ru->ruSpecies().constEnd(); ++i) |
100 | for (QList<ResourceUnitSpecies*>::const_iterator i=ru->ruSpecies().constBegin(); i!=ru->ruSpecies().constEnd(); ++i) |
101 | (*i)->saplingStat().clearStatistics(); |
101 | (*i)->saplingStat().clearStatistics(); |
102 | 102 | ||
103 | double lif_corr[cPxPerHectare]; |
103 | double lif_corr[cPxPerHectare]; |
104 | for (int i=0;i<cPxPerHectare;++i) |
104 | for (int i=0;i<cPxPerHectare;++i) |
105 | lif_corr[i]=-1.; |
105 | lif_corr[i]=-1.; |
106 | 106 | ||
107 | int species_idx; |
107 | int species_idx; |
108 | QVector<int>::const_iterator sbegin, send; |
108 | QVector<int>::const_iterator sbegin, send; |
109 | ru->speciesSet()->randomSpeciesOrder(sbegin, send); |
109 | ru->speciesSet()->randomSpeciesOrder(sbegin, send); |
110 | for (QVector<int>::const_iterator s_idx=sbegin; s_idx!=send;++s_idx) { |
110 | for (QVector<int>::const_iterator s_idx=sbegin; s_idx!=send;++s_idx) { |
111 | 111 | ||
112 | // start from a random species (and cycle through the available species)
|
112 | // start from a random species (and cycle through the available species)
|
113 | species_idx = *s_idx; |
113 | species_idx = *s_idx; |
114 | 114 | ||
115 | ResourceUnitSpecies *rus = ru->ruSpecies()[species_idx]; |
115 | ResourceUnitSpecies *rus = ru->ruSpecies()[species_idx]; |
116 | rus->establishment().clear(); |
116 | rus->establishment().clear(); |
117 | 117 | ||
118 | // check if there are seeds of the given species on the resource unit
|
118 | // check if there are seeds of the given species on the resource unit
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119 | float seeds = 0.f; |
119 | float seeds = 0.f; |
120 | Grid<float> &seedmap = const_cast<Grid<float>& >(rus->species()->seedDispersal()->seedMap()); |
120 | Grid<float> &seedmap = const_cast<Grid<float>& >(rus->species()->seedDispersal()->seedMap()); |
121 | for (int iy=0;iy<5;++iy) { |
121 | for (int iy=0;iy<5;++iy) { |
122 | float *p = seedmap.ptr(iseedmap.x(), iseedmap.y()); |
122 | float *p = seedmap.ptr(iseedmap.x(), iseedmap.y()); |
123 | for (int ix=0;ix<5;++ix) |
123 | for (int ix=0;ix<5;++ix) |
124 | seeds += *p++; |
124 | seeds += *p++; |
125 | }
|
125 | }
|
126 | // if there are no seeds: no need to do more
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126 | // if there are no seeds: no need to do more
|
127 | if (seeds==0.f) |
127 | if (seeds==0.f) |
128 | continue; |
128 | continue; |
129 | 129 | ||
130 | // calculate the abiotic environment (TACA)
|
130 | // calculate the abiotic environment (TACA)
|
131 | rus->establishment().calculateAbioticEnvironment(); |
131 | rus->establishment().calculateAbioticEnvironment(); |
132 | double abiotic_env = rus->establishment().abioticEnvironment(); |
132 | double abiotic_env = rus->establishment().abioticEnvironment(); |
133 | if (abiotic_env==0.) { |
133 | if (abiotic_env==0.) { |
134 | rus->establishment().writeDebugOutputs(); |
134 | rus->establishment().writeDebugOutputs(); |
135 | continue; |
135 | continue; |
136 | }
|
136 | }
|
137 | 137 | ||
138 | // loop over all 2m cells on this resource unit
|
138 | // loop over all 2m cells on this resource unit
|
139 | SaplingCell *sap_cells = ru->saplingCellArray(); |
139 | SaplingCell *sap_cells = ru->saplingCellArray(); |
140 | SaplingCell *s; |
140 | SaplingCell *s; |
141 | int isc = 0; // index on 2m cell |
141 | int isc = 0; // index on 2m cell |
142 | for (int iy=0; iy<cPxPerRU; ++iy) { |
142 | for (int iy=0; iy<cPxPerRU; ++iy) { |
143 | s = &sap_cells[iy*cPxPerRU]; // pointer to a row |
143 | s = &sap_cells[iy*cPxPerRU]; // pointer to a row |
144 | isc = lif_grid->index(imap.x(), imap.y()+iy); |
144 | isc = lif_grid->index(imap.x(), imap.y()+iy); |
145 | 145 | ||
146 | for (int ix=0;ix<cPxPerRU; ++ix, ++s, ++isc) { |
146 | for (int ix=0;ix<cPxPerRU; ++ix, ++s, ++isc) { |
147 | if (s->state == SaplingCell::CellFree) { |
147 | if (s->state == SaplingCell::CellFree) { |
148 | // is a sapling of the current species already on the pixel?
|
148 | // is a sapling of the current species already on the pixel?
|
149 | // * test for sapling height already in cell state
|
149 | // * test for sapling height already in cell state
|
150 | // * test for grass-cover already in cell state
|
150 | // * test for grass-cover already in cell state
|
151 | SaplingTree *stree=0; |
151 | SaplingTree *stree=0; |
152 | SaplingTree *slot=s->saplings; |
152 | SaplingTree *slot=s->saplings; |
153 | for (int i=0;i<NSAPCELLS;++i, ++slot) { |
153 | for (int i=0;i<NSAPCELLS;++i, ++slot) { |
154 | if (!stree && !slot->is_occupied()) |
154 | if (!stree && !slot->is_occupied()) |
155 | stree=slot; |
155 | stree=slot; |
156 | if (slot->species_index == species_idx) { |
156 | if (slot->species_index == species_idx) { |
157 | stree=0; |
157 | stree=0; |
158 | break; |
158 | break; |
159 | }
|
159 | }
|
160 | }
|
160 | }
|
161 | 161 | ||
162 | if (stree) { |
162 | if (stree) { |
163 | // grass cover?
|
163 | // grass cover?
|
164 | float seed_map_value = seedmap[lif_grid->index10(isc)]; |
164 | float seed_map_value = seedmap[lif_grid->index10(isc)]; |
165 | if (seed_map_value==0.f) |
165 | if (seed_map_value==0.f) |
166 | continue; |
166 | continue; |
167 | float lif_value = (*lif_grid)[isc]; |
167 | float lif_value = (*lif_grid)[isc]; |
168 | 168 | ||
169 | double &lif_corrected = lif_corr[iy*cPxPerRU+ix]; |
169 | double &lif_corrected = lif_corr[iy*cPxPerRU+ix]; |
170 | // calculate the LIFcorrected only once per pixel; the relative height is 0 (light level on the forest floor)
|
170 | // calculate the LIFcorrected only once per pixel; the relative height is 0 (light level on the forest floor)
|
171 | if (lif_corrected<0.) |
171 | if (lif_corrected<0.) |
172 | lif_corrected = rus->species()->speciesSet()->LRIcorrection(lif_value, 0.); |
172 | lif_corrected = rus->species()->speciesSet()->LRIcorrection(lif_value, 0.); |
173 | 173 | ||
174 | // check for the combination of seed availability and light on the forest floor
|
174 | // check for the combination of seed availability and light on the forest floor
|
175 | if (drandom() < seed_map_value*lif_corrected*abiotic_env ) { |
175 | if (drandom() < seed_map_value*lif_corrected*abiotic_env ) { |
176 | // ok, lets add a sapling at the given position (age is incremented later)
|
176 | // ok, lets add a sapling at the given position (age is incremented later)
|
177 | stree->setSapling(0.05f, 0, species_idx); |
177 | stree->setSapling(0.05f, 0, species_idx); |
178 | s->checkState(); |
178 | s->checkState(); |
179 | rus->saplingStat().mAdded++; |
179 | rus->saplingStat().mAdded++; |
180 | 180 | ||
181 | }
|
181 | }
|
182 | 182 | ||
183 | }
|
183 | }
|
184 | 184 | ||
185 | }
|
185 | }
|
186 | }
|
186 | }
|
187 | }
|
187 | }
|
188 | // create debug output related to establishment
|
188 | // create debug output related to establishment
|
189 | rus->establishment().writeDebugOutputs(); |
189 | rus->establishment().writeDebugOutputs(); |
190 | }
|
190 | }
|
191 | 191 | ||
192 | }
|
192 | }
|
193 | 193 | ||
194 | void Saplings::saplingGrowth(const ResourceUnit *ru) |
194 | void Saplings::saplingGrowth(const ResourceUnit *ru) |
195 | {
|
195 | {
|
196 | HeightGrid *height_grid = GlobalSettings::instance()->model()->heightGrid(); |
196 | HeightGrid *height_grid = GlobalSettings::instance()->model()->heightGrid(); |
197 | FloatGrid *lif_grid = GlobalSettings::instance()->model()->grid(); |
197 | FloatGrid *lif_grid = GlobalSettings::instance()->model()->grid(); |
198 | 198 | ||
199 | QPoint imap = ru->cornerPointOffset(); |
199 | QPoint imap = ru->cornerPointOffset(); |
200 | bool need_check=false; |
200 | bool need_check=false; |
201 | SaplingCell *sap_cells = ru->saplingCellArray(); |
201 | SaplingCell *sap_cells = ru->saplingCellArray(); |
202 | 202 | ||
203 | for (int iy=0; iy<cPxPerRU; ++iy) { |
203 | for (int iy=0; iy<cPxPerRU; ++iy) { |
204 | SaplingCell *s = &sap_cells[iy*cPxPerRU]; // ptr to row |
204 | SaplingCell *s = &sap_cells[iy*cPxPerRU]; // ptr to row |
205 | int isc = lif_grid->index(imap.x(), imap.y()+iy); |
205 | int isc = lif_grid->index(imap.x(), imap.y()+iy); |
206 | 206 | ||
207 | for (int ix=0;ix<cPxPerRU; ++ix, ++s, ++isc) { |
207 | for (int ix=0;ix<cPxPerRU; ++ix, ++s, ++isc) { |
208 | if (s->state != SaplingCell::CellInvalid) { |
208 | if (s->state != SaplingCell::CellInvalid) { |
209 | need_check=false; |
209 | need_check=false; |
210 | int n_on_px = s->n_occupied(); |
210 | int n_on_px = s->n_occupied(); |
211 | for (int i=0;i<NSAPCELLS;++i) { |
211 | for (int i=0;i<NSAPCELLS;++i) { |
212 | if (s->saplings[i].is_occupied()) { |
212 | if (s->saplings[i].is_occupied()) { |
213 | // growth of this sapling tree
|
213 | // growth of this sapling tree
|
214 | const HeightGridValue &hgv = (*height_grid)[height_grid->index5(isc)]; |
214 | const HeightGridValue &hgv = (*height_grid)[height_grid->index5(isc)]; |
215 | float lif_value = (*lif_grid)[isc]; |
215 | float lif_value = (*lif_grid)[isc]; |
216 | 216 | ||
217 | need_check |= growSapling(ru, *s, s->saplings[i], isc, hgv.height, lif_value, n_on_px); |
217 | need_check |= growSapling(ru, *s, s->saplings[i], isc, hgv.height, lif_value, n_on_px); |
218 | }
|
218 | }
|
219 | }
|
219 | }
|
220 | if (need_check) |
220 | if (need_check) |
221 | s->checkState(); |
221 | s->checkState(); |
222 | 222 | ||
223 | }
|
223 | }
|
224 | }
|
224 | }
|
225 | }
|
225 | }
|
226 | 226 | ||
227 | 227 | ||
228 | // store statistics on saplings/regeneration
|
228 | // store statistics on saplings/regeneration
|
229 | for (QList<ResourceUnitSpecies*>::const_iterator i=ru->ruSpecies().constBegin(); i!=ru->ruSpecies().constEnd(); ++i) { |
229 | for (QList<ResourceUnitSpecies*>::const_iterator i=ru->ruSpecies().constBegin(); i!=ru->ruSpecies().constEnd(); ++i) { |
230 | (*i)->saplingStat().calculate((*i)->species(), const_cast<ResourceUnit*>(ru)); |
230 | (*i)->saplingStat().calculate((*i)->species(), const_cast<ResourceUnit*>(ru)); |
231 | (*i)->statistics().add(&((*i)->saplingStat())); |
231 | (*i)->statistics().add(&((*i)->saplingStat())); |
232 | }
|
232 | }
|
233 | 233 | ||
234 | // debug output related to saplings
|
234 | // debug output related to saplings
|
235 | if (GlobalSettings::instance()->isDebugEnabled(GlobalSettings::dSaplingGrowth)) { |
235 | if (GlobalSettings::instance()->isDebugEnabled(GlobalSettings::dSaplingGrowth)) { |
236 | 236 | ||
237 | // establishment details
|
237 | // establishment details
|
238 | for (QList<ResourceUnitSpecies*>::const_iterator it=ru->ruSpecies().constBegin();it!=ru->ruSpecies().constEnd();++it) { |
238 | for (QList<ResourceUnitSpecies*>::const_iterator it=ru->ruSpecies().constBegin();it!=ru->ruSpecies().constEnd();++it) { |
239 | if ((*it)->saplingStat().livingCohorts() == 0) |
239 | if ((*it)->saplingStat().livingCohorts() == 0) |
240 | continue; |
240 | continue; |
241 | DebugList &out = GlobalSettings::instance()->debugList(ru->index(), GlobalSettings::dSaplingGrowth); |
241 | DebugList &out = GlobalSettings::instance()->debugList(ru->index(), GlobalSettings::dSaplingGrowth); |
242 | out << (*it)->species()->id() << ru->index() <<ru->id(); |
242 | out << (*it)->species()->id() << ru->index() <<ru->id(); |
243 | out << (*it)->saplingStat().livingCohorts() << (*it)->saplingStat().averageHeight() << (*it)->saplingStat().averageAge() |
243 | out << (*it)->saplingStat().livingCohorts() << (*it)->saplingStat().averageHeight() << (*it)->saplingStat().averageAge() |
244 | << (*it)->saplingStat().averageDeltaHPot() << (*it)->saplingStat().averageDeltaHRealized(); |
244 | << (*it)->saplingStat().averageDeltaHPot() << (*it)->saplingStat().averageDeltaHRealized(); |
245 | out << (*it)->saplingStat().newSaplings() << (*it)->saplingStat().diedSaplings() |
245 | out << (*it)->saplingStat().newSaplings() << (*it)->saplingStat().diedSaplings() |
246 | << (*it)->saplingStat().recruitedSaplings() <<(*it)->species()->saplingGrowthParameters().referenceRatio; |
246 | << (*it)->saplingStat().recruitedSaplings() <<(*it)->species()->saplingGrowthParameters().referenceRatio; |
247 | }
|
247 | }
|
248 | }
|
248 | }
|
249 | 249 | ||
250 | }
|
250 | }
|
251 | 251 | ||
252 | SaplingCell *Saplings::cell(QPoint lif_coords, bool only_valid, ResourceUnit **rRUPtr) |
252 | SaplingCell *Saplings::cell(QPoint lif_coords, bool only_valid, ResourceUnit **rRUPtr) |
253 | {
|
253 | {
|
254 | FloatGrid *lif_grid = GlobalSettings::instance()->model()->grid(); |
254 | FloatGrid *lif_grid = GlobalSettings::instance()->model()->grid(); |
255 | 255 | ||
256 | // in this case, getting the actual cell is quite cumbersome: first, retrieve the resource unit, then the
|
256 | // in this case, getting the actual cell is quite cumbersome: first, retrieve the resource unit, then the
|
257 | // cell based on the offset of the given coordiantes relative to the corner of the resource unit.
|
257 | // cell based on the offset of the given coordiantes relative to the corner of the resource unit.
|
258 | ResourceUnit *ru = GlobalSettings::instance()->model()->ru(lif_grid->cellCenterPoint(lif_coords)); |
258 | ResourceUnit *ru = GlobalSettings::instance()->model()->ru(lif_grid->cellCenterPoint(lif_coords)); |
259 | if (rRUPtr) |
259 | if (rRUPtr) |
260 | *rRUPtr = ru; |
260 | *rRUPtr = ru; |
261 | 261 | ||
262 | if (ru) { |
262 | if (ru) { |
263 | QPoint local_coords = lif_coords - ru->cornerPointOffset(); |
263 | QPoint local_coords = lif_coords - ru->cornerPointOffset(); |
264 | int idx = local_coords.y() * cPxPerRU + local_coords.x(); |
264 | int idx = local_coords.y() * cPxPerRU + local_coords.x(); |
265 | DBGMODE( if (idx<0 || idx>=cPxPerHectare) |
265 | DBGMODE( if (idx<0 || idx>=cPxPerHectare) |
266 | qDebug("invalid coords in Saplings::cell"); |
266 | qDebug("invalid coords in Saplings::cell"); |
267 | ); |
267 | ); |
268 | SaplingCell *s=&ru->saplingCellArray()[idx]; |
268 | SaplingCell *s=&ru->saplingCellArray()[idx]; |
269 | if (s && (!only_valid || s->state!=SaplingCell::CellInvalid)) |
269 | if (s && (!only_valid || s->state!=SaplingCell::CellInvalid)) |
270 | return s; |
270 | return s; |
271 | }
|
271 | }
|
272 | return 0; |
272 | return 0; |
273 | }
|
273 | }
|
274 | 274 | ||
275 | void Saplings::clearSaplings(const QRectF &rectangle, const bool remove_biomass) |
275 | void Saplings::clearSaplings(const QRectF &rectangle, const bool remove_biomass) |
276 | {
|
276 | {
|
277 | GridRunner<float> runner(GlobalSettings::instance()->model()->grid(), rectangle); |
277 | GridRunner<float> runner(GlobalSettings::instance()->model()->grid(), rectangle); |
278 | ResourceUnit *ru; |
278 | ResourceUnit *ru; |
279 | while (runner.next()) { |
279 | while (runner.next()) { |
280 | SaplingCell *s = cell(runner.currentIndex(), true, &ru); |
280 | SaplingCell *s = cell(runner.currentIndex(), true, &ru); |
281 | if (s) { |
281 | if (s) { |
282 | clearSaplings(s, ru, remove_biomass); |
282 | clearSaplings(s, ru, remove_biomass); |
283 | }
|
283 | }
|
284 | 284 | ||
285 | }
|
285 | }
|
286 | }
|
286 | }
|
287 | 287 | ||
288 | void Saplings::clearSaplings(SaplingCell *s, ResourceUnit *ru, const bool remove_biomass) |
288 | void Saplings::clearSaplings(SaplingCell *s, ResourceUnit *ru, const bool remove_biomass) |
289 | {
|
289 | {
|
290 | if (s) { |
290 | if (s) { |
291 | for (int i=0;i<NSAPCELLS;++i) |
291 | for (int i=0;i<NSAPCELLS;++i) |
292 | if (s->saplings[i].is_occupied()) { |
292 | if (s->saplings[i].is_occupied()) { |
293 | if (!remove_biomass) { |
293 | if (!remove_biomass) { |
294 | ResourceUnitSpecies *rus = s->saplings[i].resourceUnitSpecies(ru); |
294 | ResourceUnitSpecies *rus = s->saplings[i].resourceUnitSpecies(ru); |
295 | if (!rus && !rus->species()) { |
295 | if (!rus && !rus->species()) { |
296 | qDebug() << "Saplings::clearSaplings(): invalid resource unit!!!"; |
296 | qDebug() << "Saplings::clearSaplings(): invalid resource unit!!!"; |
297 | return; |
297 | return; |
298 | }
|
298 | }
|
299 | rus->saplingStat().addCarbonOfDeadSapling( s->saplings[i].height / rus->species()->saplingGrowthParameters().hdSapling * 100.f ); |
299 | rus->saplingStat().addCarbonOfDeadSapling( s->saplings[i].height / rus->species()->saplingGrowthParameters().hdSapling * 100.f ); |
300 | }
|
300 | }
|
301 | s->saplings[i].clear(); |
301 | s->saplings[i].clear(); |
302 | }
|
302 | }
|
303 | s->checkState(); |
303 | s->checkState(); |
304 | 304 | ||
305 | }
|
305 | }
|
306 | 306 | ||
307 | }
|
307 | }
|
308 | 308 | ||
309 | int Saplings::addSprout(const Tree *t) |
309 | int Saplings::addSprout(const Tree *t) |
310 | {
|
310 | {
|
311 | if (t->species()->saplingGrowthParameters().sproutGrowth==0.) |
311 | if (t->species()->saplingGrowthParameters().sproutGrowth==0.) |
312 | return 0; |
312 | return 0; |
313 | SaplingCell *sc = cell(t->positionIndex()); |
313 | SaplingCell *sc = cell(t->positionIndex()); |
314 | if (!sc) |
314 | if (!sc) |
315 | return 0; |
315 | return 0; |
316 | clearSaplings(sc, const_cast<ResourceUnit*>(t->ru()), false ); |
316 | clearSaplings(sc, const_cast<ResourceUnit*>(t->ru()), false ); |
317 | SaplingTree *st=sc->addSapling(0.05f, 0, t->species()->index()); |
317 | SaplingTree *st=sc->addSapling(0.05f, 0, t->species()->index()); |
318 | if (st) |
318 | if (st) |
319 | st->set_sprout(true); |
319 | st->set_sprout(true); |
320 | 320 | ||
321 | // neighboring cells
|
321 | // neighboring cells
|
322 | double crown_area = t->crownRadius()*t->crownRadius() * M_PI; //m2 |
322 | double crown_area = t->crownRadius()*t->crownRadius() * M_PI; //m2 |
323 | // calculate how many cells on the ground are covered by the crown (this is a rather rough estimate)
|
323 | // calculate how many cells on the ground are covered by the crown (this is a rather rough estimate)
|
324 | // n_cells: in addition to the original cell
|
324 | // n_cells: in addition to the original cell
|
325 | int n_cells = static_cast<int>(round( crown_area / static_cast<double>(cPxSize*cPxSize) - 1.)); |
325 | int n_cells = static_cast<int>(round( crown_area / static_cast<double>(cPxSize*cPxSize) - 1.)); |
326 | if (n_cells>0) { |
326 | if (n_cells>0) { |
327 | ResourceUnit *ru; |
327 | ResourceUnit *ru; |
328 | static const int offsets_x[8] = {1,1,0,-1,-1,-1,0,1}; |
328 | static const int offsets_x[8] = {1,1,0,-1,-1,-1,0,1}; |
329 | static const int offsets_y[8] = {0,1,1,1,0,-1,-1,-1}; |
329 | static const int offsets_y[8] = {0,1,1,1,0,-1,-1,-1}; |
330 | int s=irandom(0,8); |
330 | int s=irandom(0,8); |
331 | while(n_cells) { |
331 | while(n_cells) { |
332 | sc = cell(t->positionIndex()+QPoint(offsets_x[s], offsets_y[s]),true,&ru); |
332 | sc = cell(t->positionIndex()+QPoint(offsets_x[s], offsets_y[s]),true,&ru); |
333 | if (sc) { |
333 | if (sc) { |
334 | clearSaplings(sc, ru, false ); |
334 | clearSaplings(sc, ru, false ); |
335 | SaplingTree *st=sc->addSapling(0.05f, 0, t->species()->index()); |
335 | SaplingTree *st=sc->addSapling(0.05f, 0, t->species()->index()); |
336 | if (st) |
336 | if (st) |
337 | st->set_sprout(true); |
337 | st->set_sprout(true); |
338 | }
|
338 | }
|
339 | 339 | ||
340 | s = (s+1)%8; --n_cells; |
340 | s = (s+1)%8; --n_cells; |
341 | }
|
341 | }
|
342 | }
|
342 | }
|
343 | return 1; |
343 | return 1; |
344 | }
|
344 | }
|
345 | 345 | ||
346 | void Saplings::updateBrowsingPressure() |
346 | void Saplings::updateBrowsingPressure() |
347 | {
|
347 | {
|
348 | if (GlobalSettings::instance()->settings().valueBool("model.settings.browsing.enabled")) |
348 | if (GlobalSettings::instance()->settings().valueBool("model.settings.browsing.enabled")) |
349 | Saplings::mBrowsingPressure = GlobalSettings::instance()->settings().valueDouble("model.settings.browsing.browsingPressure"); |
349 | Saplings::mBrowsingPressure = GlobalSettings::instance()->settings().valueDouble("model.settings.browsing.browsingPressure"); |
350 | else
|
350 | else
|
351 | Saplings::mBrowsingPressure = 0.; |
351 | Saplings::mBrowsingPressure = 0.; |
352 | }
|
352 | }
|
353 | 353 | ||
354 | bool Saplings::growSapling(const ResourceUnit *ru, SaplingCell &scell, SaplingTree &tree, int isc, float dom_height, float lif_value, int cohorts_on_px) |
354 | bool Saplings::growSapling(const ResourceUnit *ru, SaplingCell &scell, SaplingTree &tree, int isc, float dom_height, float lif_value, int cohorts_on_px) |
355 | {
|
355 | {
|
356 | ResourceUnitSpecies *rus = tree.resourceUnitSpecies(ru); |
356 | ResourceUnitSpecies *rus = tree.resourceUnitSpecies(ru); |
357 | 357 | ||
358 | const Species *species = rus->species(); |
358 | const Species *species = rus->species(); |
359 | 359 | ||
360 | // (1) calculate height growth potential for the tree (uses linerization of expressions...)
|
360 | // (1) calculate height growth potential for the tree (uses linerization of expressions...)
|
361 | double h_pot = species->saplingGrowthParameters().heightGrowthPotential.calculate(tree.height); |
361 | double h_pot = species->saplingGrowthParameters().heightGrowthPotential.calculate(tree.height); |
362 | double delta_h_pot = h_pot - tree.height; |
362 | double delta_h_pot = h_pot - tree.height; |
363 | 363 | ||
364 | // (2) reduce height growth potential with species growth response f_env_yr and with light state (i.e. LIF-value) of home-pixel.
|
364 | // (2) reduce height growth potential with species growth response f_env_yr and with light state (i.e. LIF-value) of home-pixel.
|
365 | if (dom_height==0.f) |
365 | if (dom_height==0.f) |
366 | throw IException(QString("growSapling: height grid at %1/%2 has value 0").arg(isc)); |
366 | throw IException(QString("growSapling: height grid at %1/%2 has value 0").arg(isc)); |
367 | 367 | ||
368 | double rel_height = tree.height / dom_height; |
368 | double rel_height = tree.height / dom_height; |
369 | 369 | ||
370 | double lif_corrected = species->speciesSet()->LRIcorrection(lif_value, rel_height); // correction based on height |
370 | double lif_corrected = species->speciesSet()->LRIcorrection(lif_value, rel_height); // correction based on height |
371 | 371 | ||
372 | double lr = species->lightResponse(lif_corrected); // species specific light response (LUI, light utilization index) |
372 | double lr = species->lightResponse(lif_corrected); // species specific light response (LUI, light utilization index) |
373 | 373 | ||
374 | rus->calculate(true); // calculate the 3pg module (this is done only once per RU); true: call comes from regeneration |
374 | rus->calculate(true); // calculate the 3pg module (this is done only once per RU); true: call comes from regeneration |
375 | double f_env_yr = rus->prod3PG().fEnvYear(); |
375 | double f_env_yr = rus->prod3PG().fEnvYear(); |
376 | 376 | ||
377 | double delta_h_factor = f_env_yr * lr; // relative growth |
377 | double delta_h_factor = f_env_yr * lr; // relative growth |
378 | 378 | ||
379 | if (h_pot<0. || delta_h_pot<0. || lif_corrected<0. || lif_corrected>1. || delta_h_factor<0. || delta_h_factor>1. ) |
379 | if (h_pot<0. || delta_h_pot<0. || lif_corrected<0. || lif_corrected>1. || delta_h_factor<0. || delta_h_factor>1. ) |
380 | qDebug() << "invalid values in Sapling::growSapling"; |
380 | qDebug() << "invalid values in Sapling::growSapling"; |
381 | 381 | ||
382 | // sprouts grow faster. Sprouts therefore are less prone to stress (threshold), and can grow higher than the growth potential.
|
382 | // sprouts grow faster. Sprouts therefore are less prone to stress (threshold), and can grow higher than the growth potential.
|
383 | if (tree.is_sprout()) |
383 | if (tree.is_sprout()) |
384 | delta_h_factor = delta_h_factor *species->saplingGrowthParameters().sproutGrowth; |
384 | delta_h_factor = delta_h_factor *species->saplingGrowthParameters().sproutGrowth; |
385 | 385 | ||
386 | // check browsing
|
386 | // check browsing
|
387 | if (mBrowsingPressure>0. && tree.height<=2.f) { |
387 | if (mBrowsingPressure>0. && tree.height<=2.f) { |
388 | double p = rus->species()->saplingGrowthParameters().browsingProbability; |
388 | double p = rus->species()->saplingGrowthParameters().browsingProbability; |
389 | // calculate modifed annual browsing probability via odds-ratios
|
389 | // calculate modifed annual browsing probability via odds-ratios
|
390 | // odds = p/(1-p) -> odds_mod = odds * browsingPressure -> p_mod = odds_mod /( 1 + odds_mod) === p*pressure/(1-p+p*pressure)
|
390 | // odds = p/(1-p) -> odds_mod = odds * browsingPressure -> p_mod = odds_mod /( 1 + odds_mod) === p*pressure/(1-p+p*pressure)
|
391 | double p_browse = p*mBrowsingPressure / (1. - p + p*mBrowsingPressure); |
391 | double p_browse = p*mBrowsingPressure / (1. - p + p*mBrowsingPressure); |
392 | if (drandom() < p_browse) { |
392 | if (drandom() < p_browse) { |
393 | delta_h_factor = 0.; |
393 | delta_h_factor = 0.; |
394 | }
|
394 | }
|
395 | }
|
395 | }
|
396 | 396 | ||
397 | // check mortality of saplings
|
397 | // check mortality of saplings
|
398 | if (delta_h_factor < species->saplingGrowthParameters().stressThreshold) { |
398 | if (delta_h_factor < species->saplingGrowthParameters().stressThreshold) { |
399 | tree.stress_years++; |
399 | tree.stress_years++; |
400 | if (tree.stress_years > species->saplingGrowthParameters().maxStressYears) { |
400 | if (tree.stress_years > species->saplingGrowthParameters().maxStressYears) { |
401 | // sapling dies...
|
401 | // sapling dies...
|
402 | rus->saplingStat().addCarbonOfDeadSapling( tree.height / species->saplingGrowthParameters().hdSapling * 100.f ); |
402 | rus->saplingStat().addCarbonOfDeadSapling( tree.height / species->saplingGrowthParameters().hdSapling * 100.f ); |
403 | tree.clear(); |
403 | tree.clear(); |
404 | return true; // need cleanup |
404 | return true; // need cleanup |
405 | }
|
405 | }
|
406 | } else { |
406 | } else { |
407 | tree.stress_years=0; // reset stress counter |
407 | tree.stress_years=0; // reset stress counter |
408 | }
|
408 | }
|
409 | DBG_IF(delta_h_pot*delta_h_factor < 0.f || (!tree.is_sprout() && delta_h_pot*delta_h_factor > 2.), "Sapling::growSapling", "inplausible height growth."); |
409 | DBG_IF(delta_h_pot*delta_h_factor < 0.f || (!tree.is_sprout() && delta_h_pot*delta_h_factor > 2.), "Sapling::growSapling", "inplausible height growth."); |
410 | 410 | ||
411 | // grow
|
411 | // grow
|
412 | tree.height += delta_h_pot * delta_h_factor; |
412 | tree.height += delta_h_pot * delta_h_factor; |
413 | tree.age++; // increase age of sapling by 1 |
413 | tree.age++; // increase age of sapling by 1 |
414 | 414 | ||
415 | // recruitment?
|
415 | // recruitment?
|
416 | if (tree.height > 4.f) { |
416 | if (tree.height > 4.f) { |
417 | rus->saplingStat().mRecruited++; |
417 | rus->saplingStat().mRecruited++; |
418 | 418 | ||
419 | float dbh = tree.height / species->saplingGrowthParameters().hdSapling * 100.f; |
419 | float dbh = tree.height / species->saplingGrowthParameters().hdSapling * 100.f; |
420 | // the number of trees to create (result is in trees per pixel)
|
420 | // the number of trees to create (result is in trees per pixel)
|
421 | double n_trees = species->saplingGrowthParameters().representedStemNumber(dbh); |
421 | double n_trees = species->saplingGrowthParameters().representedStemNumber(dbh); |
422 | int to_establish = static_cast<int>( n_trees ); |
422 | int to_establish = static_cast<int>( n_trees ); |
423 | 423 | ||
424 | // if n_trees is not an integer, choose randomly if we should add a tree.
|
424 | // if n_trees is not an integer, choose randomly if we should add a tree.
|
425 | // e.g.: n_trees = 2.3 -> add 2 trees with 70% probability, and add 3 trees with p=30%.
|
425 | // e.g.: n_trees = 2.3 -> add 2 trees with 70% probability, and add 3 trees with p=30%.
|
426 | if (drandom() < (n_trees-to_establish) || to_establish==0) |
426 | if (drandom() < (n_trees-to_establish) || to_establish==0) |
427 | to_establish++; |
427 | to_establish++; |
428 | 428 | ||
429 | // add a new tree
|
429 | // add a new tree
|
430 | for (int i=0;i<to_establish;i++) { |
430 | for (int i=0;i<to_establish;i++) { |
431 | Tree &bigtree = const_cast<ResourceUnit*>(ru)->newTree(); |
431 | Tree &bigtree = const_cast<ResourceUnit*>(ru)->newTree(); |
432 | 432 | ||
433 | bigtree.setPosition(GlobalSettings::instance()->model()->grid()->indexOf(isc)); |
433 | bigtree.setPosition(GlobalSettings::instance()->model()->grid()->indexOf(isc)); |
434 | // add variation: add +/-N% to dbh and *independently* to height.
|
434 | // add variation: add +/-N% to dbh and *independently* to height.
|
435 | bigtree.setDbh(static_cast<float>(dbh * nrandom(1. - mRecruitmentVariation, 1. + mRecruitmentVariation))); |
435 | bigtree.setDbh(static_cast<float>(dbh * nrandom(1. - mRecruitmentVariation, 1. + mRecruitmentVariation))); |
436 | bigtree.setHeight(static_cast<float>(tree.height * nrandom(1. - mRecruitmentVariation, 1. + mRecruitmentVariation))); |
436 | bigtree.setHeight(static_cast<float>(tree.height * nrandom(1. - mRecruitmentVariation, 1. + mRecruitmentVariation))); |
437 | bigtree.setSpecies( const_cast<Species*>(species) ); |
437 | bigtree.setSpecies( const_cast<Species*>(species) ); |
438 | bigtree.setAge(tree.age,tree.height); |
438 | bigtree.setAge(tree.age,tree.height); |
439 | bigtree.setRU(const_cast<ResourceUnit*>(ru)); |
439 | bigtree.setRU(const_cast<ResourceUnit*>(ru)); |
440 | bigtree.setup(); |
440 | bigtree.setup(); |
441 | const Tree *t = &bigtree; |
441 | const Tree *t = &bigtree; |
442 | const_cast<ResourceUnitSpecies*>(rus)->statistics().add(t, 0); // count the newly created trees already in the stats |
442 | const_cast<ResourceUnitSpecies*>(rus)->statistics().add(t, 0); // count the newly created trees already in the stats |
443 | }
|
443 | }
|
444 | // clear all regeneration from this pixel (including this tree)
|
444 | // clear all regeneration from this pixel (including this tree)
|
445 | tree.clear(); // clear this tree (no carbon flow to the ground) |
445 | tree.clear(); // clear this tree (no carbon flow to the ground) |
446 | for (int i=0;i<NSAPCELLS;++i) { |
446 | for (int i=0;i<NSAPCELLS;++i) { |
447 | if (scell.saplings[i].is_occupied()) { |
447 | if (scell.saplings[i].is_occupied()) { |
448 | // add carbon to the ground
|
448 | // add carbon to the ground
|
449 | ResourceUnitSpecies *srus = scell.saplings[i].resourceUnitSpecies(ru); |
449 | ResourceUnitSpecies *srus = scell.saplings[i].resourceUnitSpecies(ru); |
450 | srus->saplingStat().addCarbonOfDeadSapling( scell.saplings[i].height / srus->species()->saplingGrowthParameters().hdSapling * 100.f ); |
450 | srus->saplingStat().addCarbonOfDeadSapling( scell.saplings[i].height / srus->species()->saplingGrowthParameters().hdSapling * 100.f ); |
451 | scell.saplings[i].clear(); |
451 | scell.saplings[i].clear(); |
452 | }
|
452 | }
|
453 | }
|
453 | }
|
454 | return true; // need cleanup |
454 | return true; // need cleanup |
455 | }
|
455 | }
|
456 | // book keeping (only for survivors) for the sapling of the resource unit / species
|
456 | // book keeping (only for survivors) for the sapling of the resource unit / species
|
457 | SaplingStat &ss = rus->saplingStat(); |
457 | SaplingStat &ss = rus->saplingStat(); |
458 | double n_repr = species->saplingGrowthParameters().representedStemNumberH(tree.height) / static_cast<double>(cohorts_on_px); |
458 | double n_repr = species->saplingGrowthParameters().representedStemNumberH(tree.height) / static_cast<double>(cohorts_on_px); |
459 | if (tree.height>1.3f) |
459 | if (tree.height>1.3f) |
460 | ss.mLivingSaplings += n_repr; |
460 | ss.mLivingSaplings += n_repr; |
461 | else
|
461 | else
|
462 | ss.mLivingSmallSaplings += n_repr; |
462 | ss.mLivingSmallSaplings += n_repr; |
463 | ss.mLiving++; |
463 | ss.mLiving++; |
464 | ss.mAvgHeight+=tree.height; |
464 | ss.mAvgHeight+=tree.height; |
465 | ss.mAvgAge+=tree.age; |
465 | ss.mAvgAge+=tree.age; |
466 | ss.mAvgDeltaHPot+=delta_h_pot; |
466 | ss.mAvgDeltaHPot+=delta_h_pot; |
467 | ss.mAvgHRealized += delta_h_pot * delta_h_factor; |
467 | ss.mAvgHRealized += delta_h_pot * delta_h_factor; |
468 | return false; |
468 | return false; |
469 | }
|
469 | }
|
470 | 470 | ||
471 | void SaplingStat::clearStatistics() |
471 | void SaplingStat::clearStatistics() |
472 | {
|
472 | {
|
473 | mRecruited=mDied=mLiving=0; |
473 | mRecruited=mDied=mLiving=0; |
474 | mLivingSaplings=0.; mLivingSmallSaplings=0.; |
474 | mLivingSaplings=0.; mLivingSmallSaplings=0.; |
475 | mSumDbhDied=0.; |
475 | mSumDbhDied=0.; |
476 | mAvgHeight=0.; |
476 | mAvgHeight=0.; |
477 | mAvgAge=0.; |
477 | mAvgAge=0.; |
478 | mAvgDeltaHPot=mAvgHRealized=0.; |
478 | mAvgDeltaHPot=mAvgHRealized=0.; |
479 | mAdded=0; |
479 | mAdded=0; |
480 | 480 | ||
481 | }
|
481 | }
|
482 | 482 | ||
483 | void SaplingStat::calculate(const Species *species, ResourceUnit *ru) |
483 | void SaplingStat::calculate(const Species *species, ResourceUnit *ru) |
484 | {
|
484 | {
|
485 | if (mLiving) { |
485 | if (mLiving) { |
486 | mAvgHeight /= double(mLiving); |
486 | mAvgHeight /= double(mLiving); |
487 | mAvgAge /= double(mLiving); |
487 | mAvgAge /= double(mLiving); |
488 | mAvgDeltaHPot /= double(mLiving); |
488 | mAvgDeltaHPot /= double(mLiving); |
489 | mAvgHRealized /= double(mLiving); |
489 | mAvgHRealized /= double(mLiving); |
490 | }
|
490 | }
|
491 | if (GlobalSettings::instance()->currentYear()==0) |
491 | if (GlobalSettings::instance()->currentYear()==0) |
492 | return; // no need for carbon flows in initial run |
492 | return; // no need for carbon flows in initial run |
493 | 493 | ||
494 | // calculate carbon balance
|
494 | // calculate carbon balance
|
495 | CNPair old_state = mCarbonLiving; |
495 | CNPair old_state = mCarbonLiving; |
496 | mCarbonLiving.clear(); |
496 | mCarbonLiving.clear(); |
497 | 497 | ||
498 | CNPair dead_wood, dead_fine; // pools for mortality |
498 | CNPair dead_wood, dead_fine; // pools for mortality |
499 | // average dbh
|
499 | // average dbh
|
500 | if (mLiving>0) { |
500 | if (mLiving>0) { |
501 | // calculate the avg dbh and number of stems
|
501 | // calculate the avg dbh and number of stems
|
502 | double avg_dbh = mAvgHeight / species->saplingGrowthParameters().hdSapling * 100.; |
502 | double avg_dbh = mAvgHeight / species->saplingGrowthParameters().hdSapling * 100.; |
503 | // the number of "real" stems is given by the Reineke formula
|
503 | // the number of "real" stems is given by the Reineke formula
|
504 | double n = mLivingSaplings; // total number of saplings (>0.05m) |
504 | double n = mLivingSaplings; // total number of saplings (>0.05m) |
505 | 505 | ||
506 | // woody parts: stem, branchse and coarse roots
|
506 | // woody parts: stem, branchse and coarse roots
|
507 | double woody_bm = species->biomassWoody(avg_dbh) + species->biomassBranch(avg_dbh) + species->biomassRoot(avg_dbh); |
507 | double woody_bm = species->biomassWoody(avg_dbh) + species->biomassBranch(avg_dbh) + species->biomassRoot(avg_dbh); |
508 | double foliage = species->biomassFoliage(avg_dbh); |
508 | double foliage = species->biomassFoliage(avg_dbh); |
509 | double fineroot = foliage*species->finerootFoliageRatio(); |
509 | double fineroot = foliage*species->finerootFoliageRatio(); |
510 | 510 | ||
511 | mCarbonLiving.addBiomass( woody_bm*n, species->cnWood() ); |
511 | mCarbonLiving.addBiomass( woody_bm*n, species->cnWood() ); |
512 | mCarbonLiving.addBiomass( foliage*n, species->cnFoliage() ); |
512 | mCarbonLiving.addBiomass( foliage*n, species->cnFoliage() ); |
513 | mCarbonLiving.addBiomass( fineroot*n, species->cnFineroot() ); |
513 | mCarbonLiving.addBiomass( fineroot*n, species->cnFineroot() ); |
514 | 514 | ||
515 | DBGMODE(
|
515 | DBGMODE(
|
516 | if (isnan(mCarbonLiving.C)) |
516 | if (isnan(mCarbonLiving.C)) |
517 | qDebug("carbon NaN in SaplingStat::calculate (living trees)."); |
517 | qDebug("carbon NaN in SaplingStat::calculate (living trees)."); |
518 | ); |
518 | ); |
519 | 519 | ||
520 | // turnover
|
520 | // turnover
|
521 | if (ru->snag()) |
521 | if (ru->snag()) |
522 | ru->snag()->addTurnoverLitter(species, foliage*species->turnoverLeaf(), fineroot*species->turnoverRoot()); |
522 | ru->snag()->addTurnoverLitter(species, foliage*species->turnoverLeaf(), fineroot*species->turnoverRoot()); |
523 | 523 | ||
524 | // calculate the "mortality from competition", i.e. carbon that stems from reduction of stem numbers
|
524 | // calculate the "mortality from competition", i.e. carbon that stems from reduction of stem numbers
|
525 | // from Reinekes formula.
|
525 | // from Reinekes formula.
|
526 | //
|
526 | //
|
527 | if (avg_dbh>1.) { |
527 | if (avg_dbh>1.) { |
528 | double avg_dbh_before = (mAvgHeight - mAvgHRealized) / species->saplingGrowthParameters().hdSapling * 100.; |
528 | double avg_dbh_before = (mAvgHeight - mAvgHRealized) / species->saplingGrowthParameters().hdSapling * 100.; |
529 | double n_before = mLiving * species->saplingGrowthParameters().representedStemNumber( qMax(1.,avg_dbh_before) ); |
529 | double n_before = mLiving * species->saplingGrowthParameters().representedStemNumber( qMax(1.,avg_dbh_before) ); |
530 | if (n<n_before) { |
530 | if (n<n_before) { |
531 | dead_wood.addBiomass( woody_bm * (n_before-n), species->cnWood() ); |
531 | dead_wood.addBiomass( woody_bm * (n_before-n), species->cnWood() ); |
532 | dead_fine.addBiomass( foliage * (n_before-n), species->cnFoliage() ); |
532 | dead_fine.addBiomass( foliage * (n_before-n), species->cnFoliage() ); |
533 | dead_fine.addBiomass( fineroot * (n_before-n), species->cnFineroot() ); |
533 | dead_fine.addBiomass( fineroot * (n_before-n), species->cnFineroot() ); |
534 | DBGMODE(
|
534 | DBGMODE(
|
535 | if (isnan(dead_fine.C)) |
535 | if (isnan(dead_fine.C)) |
536 | qDebug("carbon NaN in SaplingStat::calculate (self thinning)."); |
536 | qDebug("carbon NaN in SaplingStat::calculate (self thinning)."); |
537 | ); |
537 | ); |
538 | 538 | ||
539 | }
|
539 | }
|
540 | }
|
540 | }
|
541 | 541 | ||
542 | }
|
542 | }
|
543 | if (mDied) { |
543 | if (mDied) { |
544 | double avg_dbh_dead = mSumDbhDied / double(mDied); |
544 | double avg_dbh_dead = mSumDbhDied / double(mDied); |
545 | double n = mDied * species->saplingGrowthParameters().representedStemNumber( avg_dbh_dead ); |
545 | double n = mDied * species->saplingGrowthParameters().representedStemNumber( avg_dbh_dead ); |
546 | // woody parts: stem, branchse and coarse roots
|
546 | // woody parts: stem, branchse and coarse roots
|
547 | 547 | ||
548 | dead_wood.addBiomass( ( species->biomassWoody(avg_dbh_dead) + species->biomassBranch(avg_dbh_dead) + species->biomassRoot(avg_dbh_dead)) * n, species->cnWood() ); |
548 | dead_wood.addBiomass( ( species->biomassWoody(avg_dbh_dead) + species->biomassBranch(avg_dbh_dead) + species->biomassRoot(avg_dbh_dead)) * n, species->cnWood() ); |
549 | double foliage = species->biomassFoliage(avg_dbh_dead)*n; |
549 | double foliage = species->biomassFoliage(avg_dbh_dead)*n; |
550 | 550 | ||
551 | dead_fine.addBiomass( foliage, species->cnFoliage() ); |
551 | dead_fine.addBiomass( foliage, species->cnFoliage() ); |
552 | dead_fine.addBiomass( foliage*species->finerootFoliageRatio(), species->cnFineroot() ); |
552 | dead_fine.addBiomass( foliage*species->finerootFoliageRatio(), species->cnFineroot() ); |
553 | DBGMODE(
|
553 | DBGMODE(
|
554 | if (isnan(dead_fine.C)) |
554 | if (isnan(dead_fine.C)) |
555 | qDebug("carbon NaN in SaplingStat::calculate (died trees)."); |
555 | qDebug("carbon NaN in SaplingStat::calculate (died trees)."); |
556 | ); |
556 | ); |
557 | 557 | ||
558 | }
|
558 | }
|
559 | if (!dead_wood.isEmpty() || !dead_fine.isEmpty()) |
559 | if (!dead_wood.isEmpty() || !dead_fine.isEmpty()) |
560 | if (ru->snag()) |
560 | if (ru->snag()) |
561 | ru->snag()->addToSoil(species, dead_wood, dead_fine); |
561 | ru->snag()->addToSoil(species, dead_wood, dead_fine); |
562 | 562 | ||
563 | // calculate net growth:
|
563 | // calculate net growth:
|
564 | // delta of stocks
|
564 | // delta of stocks
|
565 | mCarbonGain = mCarbonLiving + dead_fine + dead_wood - old_state; |
565 | mCarbonGain = mCarbonLiving + dead_fine + dead_wood - old_state; |
566 | if (mCarbonGain.C < 0) |
566 | if (mCarbonGain.C < 0) |
567 | mCarbonGain.clear(); |
567 | mCarbonGain.clear(); |
568 | 568 | ||
569 | 569 | ||
570 | GlobalSettings::instance()->systemStatistics()->saplingCount+=mLiving; |
570 | GlobalSettings::instance()->systemStatistics()->saplingCount+=mLiving; |
571 | GlobalSettings::instance()->systemStatistics()->newSaplings+=mAdded; |
571 | GlobalSettings::instance()->systemStatistics()->newSaplings+=mAdded; |
572 | 572 | ||
573 | }
|
573 | }
|
574 | 574 | ||
575 | double SaplingStat::livingStemNumber(const Species *species, double &rAvgDbh, double &rAvgHeight, double &rAvgAge) const |
575 | double SaplingStat::livingStemNumber(const Species *species, double &rAvgDbh, double &rAvgHeight, double &rAvgAge) const |
576 | {
|
576 | {
|
577 | rAvgHeight = averageHeight(); |
577 | rAvgHeight = averageHeight(); |
578 | rAvgDbh = rAvgHeight / species->saplingGrowthParameters().hdSapling * 100.f; |
578 | rAvgDbh = rAvgHeight / species->saplingGrowthParameters().hdSapling * 100.f; |
579 | rAvgAge = averageAge(); |
579 | rAvgAge = averageAge(); |
580 | double n= species->saplingGrowthParameters().representedStemNumber(rAvgDbh); |
580 | double n= species->saplingGrowthParameters().representedStemNumber(rAvgDbh); |
581 | return n; |
581 | return n; |
582 | // *** old code (sapling.cpp) ***
|
582 | // *** old code (sapling.cpp) ***
|
583 | // double total = 0.;
|
583 | // double total = 0.;
|
584 | // double dbh_sum = 0.;
|
584 | // double dbh_sum = 0.;
|
585 | // double h_sum = 0.;
|
585 | // double h_sum = 0.;
|
586 | // double age_sum = 0.;
|
586 | // double age_sum = 0.;
|
587 | // const SaplingGrowthParameters &p = mRUS->species()->saplingGrowthParameters();
|
587 | // const SaplingGrowthParameters &p = mRUS->species()->saplingGrowthParameters();
|
588 | // for (QVector<SaplingTreeOld>::const_iterator it = mSaplingTrees.constBegin(); it!=mSaplingTrees.constEnd(); ++it) {
|
588 | // for (QVector<SaplingTreeOld>::const_iterator it = mSaplingTrees.constBegin(); it!=mSaplingTrees.constEnd(); ++it) {
|
589 | // float dbh = it->height / p.hdSapling * 100.f;
|
589 | // float dbh = it->height / p.hdSapling * 100.f;
|
590 | // if (dbh<1.) // minimum size: 1cm
|
590 | // if (dbh<1.) // minimum size: 1cm
|
591 | // continue;
|
591 | // continue;
|
592 | // double n = p.representedStemNumber(dbh); // one cohort on the pixel represents that number of trees
|
592 | // double n = p.representedStemNumber(dbh); // one cohort on the pixel represents that number of trees
|
593 | // dbh_sum += n*dbh;
|
593 | // dbh_sum += n*dbh;
|
594 | // h_sum += n*it->height;
|
594 | // h_sum += n*it->height;
|
595 | // age_sum += n*it->age.age;
|
595 | // age_sum += n*it->age.age;
|
596 | // total += n;
|
596 | // total += n;
|
597 | // }
|
597 | // }
|
598 | // if (total>0.) {
|
598 | // if (total>0.) {
|
599 | // dbh_sum /= total;
|
599 | // dbh_sum /= total;
|
600 | // h_sum /= total;
|
600 | // h_sum /= total;
|
601 | // age_sum /= total;
|
601 | // age_sum /= total;
|
602 | // }
|
602 | // }
|
603 | // rAvgDbh = dbh_sum;
|
603 | // rAvgDbh = dbh_sum;
|
604 | // rAvgHeight = h_sum;
|
604 | // rAvgHeight = h_sum;
|
605 | // rAvgAge = age_sum;
|
605 | // rAvgAge = age_sum;
|
606 | // return total;
|
606 | // return total;
|
607 | }
|
607 | }
|
608 | 608 | ||
609 | ResourceUnitSpecies *SaplingTree::resourceUnitSpecies(const ResourceUnit *ru) |
609 | ResourceUnitSpecies *SaplingTree::resourceUnitSpecies(const ResourceUnit *ru) |
610 | {
|
610 | {
|
611 | if (!ru || !is_occupied()) |
611 | if (!ru || !is_occupied()) |
612 | return 0; |
612 | return 0; |
613 | ResourceUnitSpecies *rus = ru->resourceUnitSpecies(species_index); |
613 | ResourceUnitSpecies *rus = ru->resourceUnitSpecies(species_index); |
614 | return rus; |
614 | return rus; |
615 | }
|
615 | }
|
616 | 616 | ||
617 | SaplingCellRunner::SaplingCellRunner(const int stand_id, const MapGrid *stand_grid) |
617 | SaplingCellRunner::SaplingCellRunner(const int stand_id, const MapGrid *stand_grid) |
618 | {
|
618 | {
|
619 | mRunner = 0; |
619 | mRunner = 0; |
620 | mRU = 0; |
620 | mRU = 0; |
621 | mStandId = stand_id; |
621 | mStandId = stand_id; |
622 | mStandGrid = stand_grid ? stand_grid : GlobalSettings::instance()->model()->standGrid(); |
622 | mStandGrid = stand_grid ? stand_grid : GlobalSettings::instance()->model()->standGrid(); |
623 | QRectF box = mStandGrid->boundingBox(stand_id); |
623 | QRectF box = mStandGrid->boundingBox(stand_id); |
624 | mRunner = new GridRunner<float>(GlobalSettings::instance()->model()->grid(), box); |
624 | mRunner = new GridRunner<float>(GlobalSettings::instance()->model()->grid(), box); |
625 | 625 | ||
626 | }
|
626 | }
|
627 | 627 | ||
628 | SaplingCellRunner::~SaplingCellRunner() |
628 | SaplingCellRunner::~SaplingCellRunner() |
629 | {
|
629 | {
|
630 | if (mRunner) |
630 | if (mRunner) |
631 | delete mRunner; |
631 | delete mRunner; |
632 | }
|
632 | }
|
633 | 633 | ||
634 | SaplingCell *SaplingCellRunner::next() |
634 | SaplingCell *SaplingCellRunner::next() |
635 | {
|
635 | {
|
636 | if (!mRunner) |
636 | if (!mRunner) |
637 | return 0; |
637 | return 0; |
638 | while (float *n = mRunner->next()) { |
638 | while (float *n = mRunner->next()) { |
639 | if (!n) |
639 | if (!n) |
640 | return 0; // end of the bounding box |
640 | return 0; // end of the bounding box |
641 | if (mStandGrid->standIDFromLIFCoord(mRunner->currentIndex()) != mStandId) |
641 | if (mStandGrid->standIDFromLIFCoord(mRunner->currentIndex()) != mStandId) |
642 | continue; // pixel does not belong to the target stand |
642 | continue; // pixel does not belong to the target stand |
643 | mRU = GlobalSettings::instance()->model()->ru(mRunner->currentCoord()); |
643 | mRU = GlobalSettings::instance()->model()->ru(mRunner->currentCoord()); |
644 | SaplingCell *sc=0; |
644 | SaplingCell *sc=0; |
645 | if (mRU) |
645 | if (mRU) |
646 | sc=mRU->saplingCell(mRunner->currentIndex()); |
646 | sc=mRU->saplingCell(mRunner->currentIndex()); |
647 | if (sc) |
647 | if (sc) |
648 | return sc; |
648 | return sc; |
649 | qDebug() << "SaplingCellRunner::next(): unexected missing SaplingCell!"; |
649 | qDebug() << "SaplingCellRunner::next(): unexected missing SaplingCell!"; |
650 | return 0; |
650 | return 0; |
651 | }
|
651 | }
|
652 | return 0; |
652 | return 0; |
653 | }
|
653 | }
|
654 | 654 | ||
655 | QPointF SaplingCellRunner::currentCoord() const |
655 | QPointF SaplingCellRunner::currentCoord() const |
656 | {
|
656 | {
|
657 | return mRunner->currentCoord(); |
657 | return mRunner->currentCoord(); |
658 | }
|
658 | }
|
659 | 659 |