**Inspection panel** for Face
+The shapes information, equal to the provided Inspection panel information on the shape is accessible inpython API by usage of **shapeInfo** command:
+
+ | *from salome.shaper import geom*
+ | *geom.shapeInfo(vertex)*
+ | *==> ('Vertex', 0.0, 0.0, 10.0)*
+
+
.. _hidefaces_panel:
Hide Faces panel
Two view windows
+The viewer is able to show direction of edges of objects.
+
+.. figure:: /images/edges_directions.png
+ :align: center
+
+ Showing the edges direction
+
The description of OCC 3D Viewer architecture and functionality is provided in GUI module user's guide in chapter **OCC 3D Viewer**.
.. _parameter_usage:
General tab
^^^^^^^^^^^
-This tab defines what parts to be activated and what elements to be visible after opening a study or a script.
+This tab defines behavior of Parts and displayed objects on creation or opening of a study, or loading python scripts.
.. figure:: /images/general_preferences.png
:align: center
**Input fields**:
+- **Create new part** flag. If it is enabled, an empty part is created on a study creation.
+
- **Activate** relates to activation of part when opening a HDF document. Its could be one of the following:
- "Last part" - activate last part in the document (**default value**);
- **Sketch fully constraint color** selects default color for a sketch with zero degrees of freedom.
- **Zoom trihedron arrows** if this control is checked then arrows of a view trihedron will be scaled according to current view scale
- **Axis arrow size** relative size of trihedron arrows. It has effect only in case if **Zoom trihedron arrows** is On.
+- **Enable automatic rotation** enables the perpetual rotation animation in the viewer.
To redefine any color click on the corresponding line to access **Select color** dialog box