Changeset 4472

Timestamp:

May 22, 2007, 11:43:28 AM (17 years ago)

Author:

duncan

Message:

info for csv/txt files

File:

• anuga_core/documentation/user_manual/anuga_user_manual.tex (modified) (2 diffs)

anuga_core/documentation/user_manual/anuga_user_manual.tex

@@ -2416 +2416 @@
 \code{.tms} & NetCDF format for storing time series \code{f(t)}\\
 
-\code{.xya} & ASCII format for storing arbitrary points and
+\code{.csv/.txt} & ASCII format for storing arbitrary points and
+associated attributes\\
+
+\code{.xya} & Depreciated ASCII format for storing arbitrary points and
 associated attributes\\
 
@@ -2559 +2562 @@
 \subsection{Formats for Storing Arbitrary Points and Attributes}
 
-An XYA file is used to store data representing arbitrary numerical
-attributes associated with a set of points.
+
+A CSV/TXT file is used to store data representing
+arbitrary numerical attributes associated with a set of points.
+
+The format for an CSV/TXT file is:\\
+%\begin{verbatim}
+
+            first line:     \code{[column names]}\\
+            other lines:  \code{[x value], [y value], [attributes]}\\
+
+            for example:\\
+            \code{x, y, elevation, friction}\\
+            \code{0.6, 0.7, 4.9, 0.3}\\
+            \code{1.9, 2.8, 5, 0.3}\\
+            \code{2.7, 2.4, 5.2, 0.3}
+
+        The delimiter is a comma. The first two columns are assumed to
+        be x, y coordinates. 
+        
+An XYA file is a depreciated format used to store data representing
+arbitrary numerical attributes associated with a set of points. The
+attribute values must be numeric.
 
 The format for an XYA file is:\\