[QGIS Commit] r10739 - docs/trunk/english_us/user_guide

[svn_qgis at osgeo.org]

Author: dassau
Date: 2009-05-05 10:24:56 -0400 (Tue, 05 May 2009)
New Revision: 10739

Modified:
   docs/trunk/english_us/user_guide/print_composer.tex
Log:
described difference betweeen Cache and Render in the map item tab 


Modified: docs/trunk/english_us/user_guide/print_composer.tex
===================================================================
--- docs/trunk/english_us/user_guide/print_composer.tex	2009-05-05 11:15:38 UTC (rev 10738)
+++ docs/trunk/english_us/user_guide/print_composer.tex	2009-05-05 14:24:56 UTC (rev 10739)
@@ -126,8 +126,20 @@
 from QGIS map canvas} button in the print composer toolbar and drag a 
 rectangle on the composer canvas with the left mouse button to add the map. 
 You will see an empty box with a \textit{"Map will be printed here"} message.
-To display the current map, choose \selectstring{Preview}{Cache} in the map \tab{Item} tab.
+To display the current map, you can choose between three different modes in
+the map \tab{Item} tab:
 
+\begin{itemize}
+\item \selectstring{Preview}{Rectangle} is the default setting. It only
+displays an empty box with a message \textit{"Map will be printed here"}. 
+\item \selectstring{Preview}{Cache} renders the map in the current screen
+resolution. If case you zoom in or out the composer window, the map is not
+rendered again but the image will be scaled.
+\item \selectstring{Preview}{Render} means, that if you zoom in or out the
+composer window, the map will be rendered again, but for space reasons, only
+up to a maximum resolution.
+\end{itemize}
+
 \begin{figure}[ht]
 \centering
 \caption{Print Composer map item tab content \nixcaption}\label{fig:print_composer_map_item}