[Chimera-users] mouse selection problem
pett at cgl.ucsf.edu
Wed Aug 6 10:08:10 PDT 2008
Meikel Diepholz wrote:
> just a small problem I hope.
> When I am selecting residues with ctrl +left mouse
> button, chimera is always replacing the earlier selection,
> independent on the selection mode I chose (append, subtract).
> Is it possible to change this?
This behavior isn't a bug per se, but rather a deliberate design
decision. We decided to not have the mouse selection honor the
selection mode since it is possible to emulate all the selection modes
directly with the mouse (except for intersect). If you hold down the
Shift key as you are making a mouse selection then everything chosen
with the mouse will have it's selection state toggled (selected items
become unselected and vice versa), and other items will not have their
selection state changed. So you can "subtract" by shift-control
clicking/dragging on selected items, and you can "append" by shift-
control clicking/dragging on unselected items.
UCSF Computer Graphics Lab
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