Hide Faces panel
^^^^^^^^^^^^^^^^
-**Hide Faces** panel makes possible to hide temporary faces of any displayed object. **Hide Faces** panel looks like following:
+**Hide Faces** panel makes it possible to temporarily hide faces of any displayed object. **Hide Faces** panel looks like following:
.. figure:: /images/hide_faces_panel.png
:align: center
**Hide Faces** panel
-- If this panel is activated it "listens" user selection.
+- If this panel is activated it "listens" to the user selection.
- If a face is selected then its name will be shown in the panel's list and hidden in the viewer.
-- If user selects a group of faces (or at least a one face of this group) then whole group will be hidden and also all faces from all objects referenced by this group.
-- If user will display the hidden group again (by a show operation) then the group will be removed from Hide Faces list and visibility of all referenced faces will be restored.
+- If the user wants to display a hidden result body again (by a show operation) then the faces of this result body will be removed from Hide Faces list and the visibility of all referenced faces will be restored.
-It is also possible not to hide faces, but make them transparent. For this purpose **"Transparent"** check-box can be used. Value of the transparency can be changed in **Visualization** tab of **Preferences** dialog box.
-Closing of **Hide Faces** panel restores visibility state of all objects. If it is necessary to deactivete the **Hide Faces** panel (preserving the current display state) then user has to press **"Esc"** button.
+Instead of hiding the faces, it is also possible to make them transparent. For this purpose the **"Transparent"** check-box can be used. The value of the transparency can be changed under the **Visualization** tab of the **Preferences** dialog box.
+Closing the **Hide Faces** panel restores the visibility state of all objects. If it is necessary to deactivete the **Hide Faces** panel (preserving the current display state) then the user has to press the **"Esc"** button.
.. _python console:
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:
- **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