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Revision as of 11:32, 28 May 2015
Solution 1: Request from your IT administrator to get "Create" privileges on the SQL Server instance you have problems with.
Solution 2: If solution 1 is not possible you can run a light, file-based SQL Server version called LocalDB. If SQL Server 2012 / Express is installed and is running on your computer, LocalDB is already installed. Just enter "(LocalDB)\v11.0" as the name of the database server. By default, the database files will be placed directly under your profile (C:\Users\YourUserName). From Heureka version 2.3 you will also have the option to select "LocalDB" from the list of database servers, and also to install LocalDB if you have no SQL Server/Express (2012 or later) installed. LocalDB has the same database size limitations as SQL Server Express (10 GB per database).Error when opening map window?
How reliable are the growth projections?
The functions have also been tested on plots subject to uneven-aged management and for a specific stand you can expect that the predicted growth will be within 25 % of the actual outcome in 70 % of the cases. Uneven-aged management, as simulated in Heureka, relies on natural ingrowth of new trees instead of artifical regeneration. However, the number of ingrown trees varies considerably between stands and is difficult to project. The height growth for ingrown trees after selection felling is underestimated. The standing stock that consists of ingrown trees will increase with time and thus the projected forest state will be more and more uncertain.
In short, the uncertainties are largest in modelling of mortality, natural ingrowth of new trees, and establishment of young stands.