3 \page occ_3d_viewer_page OCC 3D Viewer
7 The functionalities of OCC viewer are available via its Viewer
8 Toolbar. Buttons marked with small downward triangles have extended
9 functionality which can be accessed by locking on them with left mouse
12 \image html occviewer_toolbar.png
15 \image html occ_view_camera_dump.png
17 <b>Dump View</b> - exports an object from the viewer in bmp, png or
21 \image html occ_view_style_switch.png
23 <b>Interaction style switch</b> - allows to switch between "Salome
24 standard controls" and "Keyboard free" \ref viewer_navigation_modes "interaction styles".
28 \image html occ_view_zooming_style_switch.png
30 <b>Zooming style switch</b> - allows to switch between standard
31 (zooming at the center of the view) and advanced (zooming at the
32 current cursor position) zooming styles.
35 \image html occ_view_triedre.png
37 <b>Show/Hide Trihedron</b> - shows or hides coordinate axes.
40 \image html occ_view_preselection.png
42 <b>Enable/Disable preselection</b> - enables or disables preselection in the view.
45 \image html occ_view_selection.png
47 <b>Enable/Disable selection</b> - enables or disables selection in the view.
50 \image html occ_view_fitall.png
52 <b>Fit all</b> - allows to select a point to be the center of a scene
53 representing all displayed objects in the visible area.
56 \image html occ_view_fitarea.png
58 <b>Fit area</b> - resizes the view to place in the visible area only
59 the contents of a frame drawn with pressed left mouse button.
62 \image html occ_view_zoom.png
64 <b>Zoom</b> - allows to zoom in and out.
67 \image html occ_view_pan.png
69 <b>Panning</b> - if the represented objects are greater that the
70 visible area and you don't wish to use <b>Fit all</b> functionality,
71 click on this button and you'll be able to drag the scene to see its
75 \image html occ_view_glpan.png
77 <b>Global panning</b> - represents all displayed objects in the
81 \image html occ_view_rotation_point.png
83 <b>Change rotation point</b> - allows to to choose the point around
84 which the rotation is performed.
86 \image html set_rotation_point_dialog1.png
88 By default the rotation point is located in the Center of the bounding
91 \image html set_rotation_point_dialog2.png
93 Unchecking <b>Use Bounding Box Center</b> checkbox allows you to
94 define the coordinates of the rotation point manually.
96 - <b>Set to Origin</b> button restores the default rotation point
99 - <b>Select Point from View</b> button allows to select the rotation
100 point in the 3D Viewer.
104 \image html occ_view_rotate.png
106 <b>Rotation</b> - allows to rotate the selected object using the
110 \image html occ_view_front.png
111 \image html occ_view_back.png
112 \image html occ_view_top.png
113 \image html occ_view_bottom.png
114 \image html occ_view_left.png
115 \image html occ_view_right.png
117 These buttons orientate the scene strictly about coordinate axes:
118 \b Front, \b Back, \b Top, \b Bottom, \b Left or \b Right side.
121 \image html occ_view_anticlockwise.png
123 <b>Rotate counterclockwise</b> - rotates view 90 @htmlonly ° @endhtmlonly counterclockwise.
126 \image html occ_view_clockwise.png
128 <b>Rotate clockwise</b> - rotates view 90 @htmlonly ° @endhtmlonly clockwise.
131 \image html occ_view_reset.png
133 <b>Reset</b> - restores the default position (isometric) of objects in
137 \image html occ_view_shoot.png
139 <b>Memorise view</b> - saves the current position of objects in the
143 \image html occ_view_presets.png
145 <b>Restore view</b> - restores the saved position of objects in the
149 \image html occ_view_clone.png
151 <b>Clone view</b> - opens a new duplicate scene.
154 \image html occ_view_clipping.png
156 <b>Clipping</b> - allows to create cross-section views (clipping
157 planes) of geometrical objects.
159 \image html clipping.png
161 - <b>Base point</b> - allows to define the coordinates of the base
162 point for the clipping plane.
164 - <b>Reset</b> - returns the base point to coordinate origin.
166 - <b>Direction</b> - allows to define the orientation of the
169 - <b>Invert</b> - allows to select which part of the object will be
170 removed and which will remain after clipping.
172 - <b>Preview</b> - allows to see the results of clipping in the
177 \image html occ_view_scaling.png
179 <b>Scaling</b> - represents objects deformed (stretched or stuffed)
180 along the axes of coordinates.
183 \image html occ_view_graduated_axes.png
185 <b>Graduated axes</b> - allows to define axes parameters and graduate
188 \image html graduatedaxes2.png
190 - <b>Axis name</b> - if checked the axis name is displayed in the viewer.
192 - <b>Name</b> - allows to redefine the axis name.
194 - <b>Font</b> - allows to define the font color of the axis name.
196 - <b>Labels</b> - if checked the labels are displayed in the viewer.
198 - <b>Number</b> - allows to define the number of labels.
200 - <b>Offset</b> - allows to define the distance between labels.
202 - <b>Font</b> - allows to define the font color of labels names.
204 - <b>Tick marks</b> - if checked the tick marks are displayed in the viewer.
206 - <b>Length</b> - allows to define the length of tick marks.
208 - <b>Is visible</b> - if checked the axis is displayed in the viewer.
212 \image html occ_view_ambient.png
214 <b>Toggle ambient light</b> - toggle "keep only ambient light" flag
218 \image html occ_view_minimized.png
219 \image html occ_view_maximized.png
221 <b>Create sub-views/Maximize</b> - these buttons allow switching the current
222 view area to the minimized / maximized state.
224 <b>Create sub-views</b> - user can select the layout and types of child sub-views:
226 \image html create_sub-views_dlg.png
228 - <b>Sub-views Layout</b>
230 - Three radio-buttons to specify numbers of the views to arrange (2, 3 or 4).
232 - Buttons (depending on the chosen number of views) with images to specify
235 - Buttons "Previous" and "Next" for possibility to change split schemas.
237 - <b>Sub-views Properties</b>
239 - Type of each sub-view: XZ, YZ, XY or XYZ.
241 <b>Maximize</b> - the current view area will be converted to maximized state.
245 \image html occ_view_sync.png
247 <b>Synchronize view</b> - allows to synchronize 3d view
248 parameters. This button has two states - checked and
249 unchecked. Clicking on this button opens a drop-down menu listing the
250 compatible 3d views. As soon as the user selects any view from the
251 list, the parameters (view point, position, zoom coefficient, etc.) of
252 the current view are synchronized with the selected view (static
255 In addition, when this button is in the "checked" state, the dynamic
256 synchronization of the views is performed, i.e. any zoom, pan, rotate
257 or other view operation done in one view is automatically applied to