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468 5019d 13h werner /src/ starting the implementation of the snag dynamics submodule.
New class: Snag
added Snag to ResourceUnitSpecies
added links to Snag in Tree		  
465 5019d 20h werner /src/core/ fixed bug in TACA model calculating fEnvYr.  
463 5020d 07h werner /src/core/ To handle errors in diameter estimation for small trees, an iterative algorithm is used if the "final residual" (between NPP based stem biomass increment and realized stem increment) is > 1kg.  
460 5020d 10h werner /src/ changed label in regeneration debug output,
added minimum height of 4m as requirement for seed production.		  
445 5119d 19h werner /src/core/ added database species parameters for seed dispersal, fixed a bug with random generator in StandLoader, change maturity criterion for seed production to age instead of height.  
444 5121d 14h werner /src/core/ added a "randomGenerator" - function to the resource unit -> this should be used when fetching random numbers from within functions that are executed in a multi-threaded way. You could also use GlobalSettings::instance()->randomGenerator().  
428 5150d 16h werner /src/ added linearization for some expressions (e.g. light response), and a global switch to enabled/disable the linerization using one static boolean (triggered by a iland setting)  
426 5151d 16h werner /src/core/ added the LRImodifier key, which is used to scale down the LRI of small trees that are below very high trees.  
410 5153d 07h werner / height grid: removed 5m from neighboring height grid pixels
new version of fonstudio (log output again to log window)		  
407 5153d 16h werner /src/ modified the painting of trees (use now the crown radius)
tried to fix the database lock error when reloading the model (not solved: but: no problem when model was executed for at least one year...)		  
406 5153d 20h werner /src/core/ set ground height of height grid to 4m (model.cpp)
modified height-grid-apply (non-torus) so that height-grid pixels get max()-ed if the reader stamp reaches into the neighbor pixels (i.e. the crown reaches the neighbor 10m pixel)		  
403 5156d 12h werner /src/ Tree::applyLIP(): fixed bug with the indices
applyLIP/readLIF: changed way of applying/reading LIPs. Version where hdom is only set at the focal height pixel.
model.h/model.cpp: tried a version with a init-value for height of height grid		  
401 5159d 07h werner / starting from a change in the LIP-pattern and the LIP-application a grand tour through followed.
StampContainer has now a static grid that holds distances to the stamp-center. This is used by the tree when applying a stamp.cpp
minor changes necessary due to the switch to Qt 4.6		  
399 5159d 20h werner /src/core/ cleanup at applyLIP() in tree.cpp  
397 5174d 19h werner /src/core/ thanks to ruperts sharp eyes we found a bug in the torus implementation of readLIF_torus(). Basically, the wrong pixels were evaluated. This became apparent in the HJA with very structured stands.
Another possible flaw (not sure whether this actually caused errors) was found in the attachment of reader stamps.		  
393 5177d 17h werner /src/ fixed a bug in StampContainer when loading trees with invalid hd-ratio (too low trees).
fixed a bug that caused a crash when seed dispersal was disabled.
added return values for stand init routines (also those that accessed by scripting) and cleaned up the documentation.		  
389 5180d 05h werner /src/ fixed small glitches with single tree initialization (species name at last position); changes to management routines.  
388 5180d 07h werner /src/core/ remodified the age calculation. Now the age is estimated based on the current height relative to h_max. The aging-calculation itself is no longer changed by that.  
387 5180d 07h werner /src/ integrating seed dispersal into the model
moved global constants for grid sizes into globalsettings.h		  
381 5180d 18h werner /src/core/ appropriate handling of tree age during initialization.
if no age is provided in the input file only the tree height is used for the aging calculation. The tree "age" in that case reflects only the number of years since initialization.		  

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