--- /dev/null
+
+/
+/**
+ @file
+ \brief Help for the HYDRO module Preferences
+*/
+
+/**
+ \page preferences Preferences
+
+ <a href="index.html"><b>Back to Main page</b></a>
+
+
+ Salome application supports Preferences. The Preferences dialog box can be called via:<ol>
+
+ <li> The main menu <b>File => Preferences</b>; </li>
+
+ <li> <b>CTRL + R</b> buttons combination.</li>
+
+ </ol>
+
+
+
+ <b>Preferences</b> dialog box appears. Help for all sections of <b>Preferences</b> dialog box except HYDRO can be found in Introduction to Salome platform.
+
+The user selects <b>HYDRO</b> in Available preferences section:
+
+
+
+ \image html preferences.png "Preferences dialog box"
+
+
+
+ Controls inside <b>Preferences</b> dialog box:
+
+
+<b>Type</b> - combo - box to select the cursor presentation for edition operation;<br>
+
+\image html preferences_type.png "Type combo-box in Preferences dialog box"
+
+
+<b>Make automatic fit all after show object operation</b> - check - box swith on/off Fit all;<br>
+<b>Default Strickler coefficient</b> field is used for Strickler coefficient asigned to area not covered by land cover or land cover with undefined type;<br>
+<b>OK</b> - button to validate changes and close dialog box;<br>
+<b>Apply</b> - button to validate changes;<br>
+<b>Defaults</b> - button to restore default values in all fields;<br>
+<b>Close</b> - button to close dialog box;<br>
+<b>Import</b> - button to import Preferences from external xml file.
+
+ The user clicks <b>Import</b> button. <b>Import preferences</b> dialog box appears:
+
+\image html preferences_import.png "Import preferences dialog box"
+
+
+
+The user selects folder in <b>Look in</b> filed and desired file in this folder.
+
+The user clicks <b>Open</b> button.
+
+<b>Import preferences</b> dialog box is closed. Prefernces are updated.
+
+ <a href="index.html"><b>Back to Main page.</b></a>
+
+*/
