/*!
-\page reorient_faces_page Reorient faces
+\page reorient_faces_page Orient faces
-\n This operation allows changing the orientation of a set faces in the following ways:
+\n This operation allows fixing the orientation of a set of faces in
+the following ways:
<ul>
-<li>The new orientation of a set of neighboring faces can be defined
- by a vector. <br> Since the direction of face normals in
- the set can be even opposite, it is necessary to specify a control
- face, the normal to which will be compared with the vector. This face can be
- either:
+<li>The required orientation of a set of neighboring faces can be defined
+ by a vector giving the direction of a normal to a certain face. <br>
+ Since the direction of face normals in the set can be even opposite,
+ it is necessary to specify a \a control face, the normal to which
+ will be compared with the vector. This face can be either:
<ul>
<li>found by proximity to a given point, or</li>
<li>specified explicitly.</li>
The orientation of a face is changed by reverting the order of its nodes.
-<em>To change orientation of faces:</em>
+<em>To set orientation of faces:</em>
<ol>
<li>In the \b Modification menu select <b>Reorient faces</b>
item or click <em>Reorient faces</em> button in the toolbar.
containing faces to reorient, in the Object Browser or in the 3D
Viewer.</li>
-<li>To reorient according to vector:
+<li>To reorient by direction of the face normal:
<ul>
<li>Specify the coordinates of the \b Point by which the control face
- will be found. You can easy specify the \b
- Point by either picking a node in the 3D Viewer or selecting a vertex
- in the Object Browser. It is possible to pick the \b Face by mouse in
- the 3D Viewer or enter its ID.</li>
+ will be found. You can specify the \b Point by picking a
+ node in the 3D Viewer or selecting a vertex in the Object
+ Browser.</li>
<li>Set up the \b Direction vector to be compared with the normal of the
- control face. If you pick a node in the 3D Viewer then the \b Direction
- vector will go from the coordinate system origin to the selected node.
- If you pick two nodes (holding Shift button) then the \b Direction vector
- will go from the first to the second node.</li>
+ control face. There are following options: <ul>
+ <li>adjust vector components directly;</li>
+ <li>select a vertex in the Object Browser or a node in the 3D
+ Viewer; their coordinates will define vector components;</li>
+ <li> pick two nodes (holding Shift button), the \b Direction vector
+ will go from the first to the second node.</li>
+ </ul>
</ul>
<br>
</li>
-<li>In the second mode it is possible to directly input the \b Face ID in the corresponding field.
+<li>In the second mode it is possible to pick the \b Face by mouse in the 3D Viewer or directly input the \b Face ID in the corresponding field.
<center>
\image html reorient_2d_face.png "The orientation of adjacent faces is chosen according to a vector. The control face is explicitly given."
<br>
<center>
-\image html reorient_2d_volume.png "The orientation of faces is chosen with relation to adjacent volumes."
+\image html reorient_2d_volume.png "The orientation of faces is chosen relatively to adjacent volumes."
</center>
</li>
