Zoom in order to view the whole graph (bird eye view).
Dot layout
Center canvas on a node.
apply all delayed operations
Cancel highlight.
highlight
Membership functions
Change the color of the given vertex item.
Change the color of the text.
Change the color of the item.
Set the zoom padding used by zoom_in and zoom_out.
zoom_in
zoom_out
The current zoom factor.
Increase zoom_factor by zoom_factor*zoom_padding.
zoom_factor
zoom_factor*zoom_padding
Decrease zoom_factor by zoom_factor*zoom_padding.
Set an absolute zoom factor.