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/** recreate statistics. This is necessary after events that changed the structure
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/** recreate statistics. This is necessary after events that changed the structure
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    of the stand *after* the growth of trees (where stand statistics are updated).
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    of the stand *after* the growth of trees (where stand statistics are updated).
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    An example is after disturbances.  */
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    An example is after disturbances.  */
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void ResourceUnit::recreateStandStatistics(bool recalculate_stats)
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void ResourceUnit::recreateStandStatistics(bool recalculate_stats)
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{
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{
- 
 
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    // when called after disturbances (recalculate_stats=false), we
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    // clear only the tree-specific variables in the stats (i.e. we keep NPP, and regen carbon),
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    // and then re-add all trees (since TreeGrowthData is NULL no NPP is available).
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    // The statistics are not summarised here, because this happens for all resource units
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    // in the yearEnd function of RU.
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    for (int i=0;i<mRUSpecies.count();i++) {
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    for (int i=0;i<mRUSpecies.count();i++) {
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        mRUSpecies[i]->statistics().clear();
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        if (recalculate_stats)
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            mRUSpecies[i]->statistics().clear();
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        else
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            mRUSpecies[i]->statistics().clearOnlyTrees();
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    }
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    }
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    foreach(const Tree &t, mTrees) {
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    foreach(const Tree &t, mTrees) {
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        resourceUnitSpecies(t.species()).statistics().add(&t, 0);
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        resourceUnitSpecies(t.species()).statistics().add(&t, 0);
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    }
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    }
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