10 The functionalities of GL viewer are available via its Viewer
11 Toolbar. Buttons marked with small downward triangles have extended
12 functionality which can be accessed by locking on them with left mouse
15 .. image:: ../images/glviewer_toolbar.png
20 .. image:: ../../../../src/GLViewer/resources/gl_view_dump.png
23 **Dump View** - exports an object from the viewer in bmp, png or jpeg image format.
27 .. image:: ../../../../src/GLViewer/resources/gl_view_fitall.png
30 **Fit all** - scales the presentation so that it could fit within the Viewer boundaries.
34 .. image:: ../../../../src/GLViewer/resources/gl_view_fitarea.png
37 **Fit area** - resizes the view to place in the visible area only the contents of a frame drawn
38 with pressed left mouse button.
42 .. image:: ../../../../src/GLViewer/resources/gl_view_fitselect.png
45 **Fit selection** - resizes the view to fit in the visible area only currently selected objects.
49 .. image:: ../../../../src/GLViewer/resources/gl_view_zoom.png
52 **Zoom** - allows to zoom in and out.
56 .. image:: ../../../../src/GLViewer/resources/gl_view_pan.png
59 **Panning** - if the represented objects are greater that the
60 visible area and you don't wish to use **Fit all** functionality,
61 click on this button and you'll be able to drag the scene to see its
66 .. image:: ../../../../src/GLViewer/resources/gl_view_glpan.png
69 **Global panning** - allows to select a point to be the center of
70 the presentation showing all displayed objects in the visible ares.
74 .. image:: ../../../../src/GLViewer/resources/gl_view_reset.png
77 **Reset** - restores the default position the scene.
87 GL Viewer background can be customized using the "Change background"
88 popup menu command that opens standard "Select Color" dialog box:
90 .. image:: ../images/selectcolor.png