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453 5065d 14h werner /src/ sapling growth now in a basic working state. started to implement recruitment. One bug with the "maximum-establishment-height-grid" known.
added also visualization of regeneration layer. Once I have time, I should restructure the drawing/visualization code as it gets quirky (and a paper-concept is available...)		  
452 5065d 20h werner /src/ searching for a bug in the sapling growth....  
451 5065d 23h werner /src/ further development of sapling growth  
450 5066d 01h werner /src/core/ implementing sapling growth...  
438 5119d 20h werner /src/ new GridRunner class to iterate nicely over grids with different sizes.
establishment.cpp: started to integrate the whole regeneration process (including "lazy" calculation of 3pg (only if necessary)).		  
436 5119d 23h werner /src/ climate: added totalRadiation() function
production3pg.cpp: added the calculation of the f_env,yr (total environmental performance of a species)		  
431 5144d 15h werner /src/ included the logLevel-Functions at several locations in the source code.
added a option to only display debug messages in the DebugTimer destructor when elapsed time is longer than one millisecond.		  
376 5185d 01h werner /src/ calculation of an average value for aging at resource unit level.
added variable 'aging' for resource units.
changed comments.		  
370 5191d 23h werner /src/ * expansion of the logwindow on the mainwindow
* bug with multi threading: serialization using QMutexLocker when attempting to write/print the debug outputs.
* enabled painting of the visuals in modelcontroller.cpp (re-enabled??)
* changed the threshold for multi threading to 6 resource-units
* optimized StatData-class to avoid unnecessary calculations of percentiles
* several comments		  
369 5192d 02h werner /src/ * multithreading for 3pg production (crashes)
* do 3PG calculation only if this RU has some leafarea of a species (added clear() functions)
* added GUI-accessible speciesindex-variable for trees		  
367 5192d 03h werner /src/core/ changes in the watercycle.
see http://iland.boku.ac.at/tiki-view_tracker_item.php?itemId=30
the calculation of the effect on the canopy conductance is changed. Now, the combined effects of soil water and vpd response together modify the canopy conductance. In order to do this some structural changes have been necessary. Note: now the response values for vpd and soil water are calculated two times.		  
331 5322d 14h werner / changed order in which statistics are calculated: statistics of species and RUs are now cleared immediately before they are refilled (during the growth of individual trees). Now steps between (e.g. water-cycle) can access valid statistics (that are essentially the state of the end of the last year)  
298 5344d 18h werner /src/core/ comments  
287 5365d 10h werner /src/ Tree initialization (random variant). works almost...  
281 5367d 09h werner /src/ setup of the world - remodeled the init-routine in Model, changed the init of stands (also some xml-keys). added a storage for variables local to rseource units (e.g. nitrogenAvailable).  
280 5367d 15h werner /src/ Creation of the "Environment" class (loading of the "world" into iLand).
- added setter-functions to XmlHelper
- added auxiliary functions to CSVFile
- smaller changes to a bunch of other files.		  
278 5368d 07h werner /src/ Management output. Added a statisticsMgmt() for ResourceUnitSpecies. Complicated to get the order right.  
277 5368d 12h werner /src/ added "Gesamtwuchsleistung" i.e. total growth.  
265 5372d 06h werner /src/ tried to run iLand again for larger area, and got into concurrency-issues. Reasons:
* debug-messages: are now buffered in a string list and not instantly sent to the QTextEdit
* Expressions: lightResponse-formula: accessed concurrently by several threads; now there are thread-safe versions (executeLocked() and calculateLocked()) that use a QMutexLocker to properly serialize the execution flow.		  
262 5372d 15h werner /src/ added output for dead trees (StandDeadOut)  

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