Index: DamClients/DamUI/trunk/doc/DAM UI - Functional Design/DataCombination.tex
===================================================================
diff -u -r2082 -r2105
--- DamClients/DamUI/trunk/doc/DAM UI - Functional Design/DataCombination.tex	(.../DataCombination.tex)	(revision 2082)
+++ DamClients/DamUI/trunk/doc/DAM UI - Functional Design/DataCombination.tex	(.../DataCombination.tex)	(revision 2105)
@@ -1,5 +1,17 @@
 \chapter{Data combination}\label{sec:USDataCombi}
 
+\section{Id/Name}\label{sec:IdNameValidation}
+The data is combined by matching Id's (Names) between the several data sources. Not all characters can be used when defining Id's. The following characters are valid: \newline
+"ABCDEFGHIJKLMNOPQRSTUVWXYZ" \newline
+"abcdefghijklmnopqrstuvwxyz" \newline
+"01234567879" \newline
+"!\#\textdollar \% \&()*+,-.\/" \newline
+":;<=>?@" \newline
+"[\textbackslash ]\textasciicircum \_\textasciigrave " \newline
+"\{|\}\textasciitilde " \newline
+" " (space)\newline
+A validation of the Id's must be done when performing the data combination.
+
 \section{Data extraction}\label{sec:DataExtraction}
 
 The locations are described with a name and RD-coordinates; a point element in GIS files.
@@ -29,7 +41,7 @@
 
 If the inputdata is not available in GIS files, all input data can be linked to each location via a table (csv-format).
 
-\section{GeoemetryGeneration}\label{sec:GeometryGeneration}
+\section{Geometry Generation}\label{sec:GeometryGeneration}
 
 The \ProgramName can combine a surface line with a subsoil scenario. The result is a geometry, usable for the failure mechanism Macrostability. 
 
