Eycos USER GUIDE Bedienungsanleitung PDF herunterladen (Seite 18)

fully to the right, the image located on top will completely hide the corresponding part of

the image below.

It can be useful to swap image planes in the stack in order to modify the

background/foreground images.

Reticle

Menu: Overlay => Reticle…

The Reticle marks a particular location in the view. Usually, this is the location clicked

most recently. The Reticle can be displayed as a small magenta cross or as two

orthogonal lines. One can also choose to not display it (menu Graphic => Reticle).

The Reticle coordinates are shown in the field “Location” in the " location box”.

Conversely, typing the location, or the name of an object, in this box moves the Reticle to

the corresponding location.

The 3 modes for the view

Actions given by the mouse in the view are dependant on the current “mode”. Three

modes that are fully exclusives are possible:

 Select: for selecting graphical additions, including sources from catalogues;

 Pan: to move in the field of view;

 Zoom: to zoom and un-zoom.

By default, the “Select” mode is activated. Before trying to do something with the mouse,

have a look at the tool bar in order to make sure that you are in the right mode.

Tip: By going out of the view with the mouse pointer, the default mode “Select” gets

activated again.

Selecting objects

Button: select

When Aladin displays graphical objects (sources from catalogues or graphical

additions), it is possible to select some of these objects once the “Select” mode is

activated. If this is not the case, click on the “select” button on top of the toolbar. Object

selection is done by clicking on it or by creating a selection rectangle that will encompass

the targeted object(s) (click outside an object, drag and drop). Selected objects are

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Eycos USER GUIDE Bedienungsanleitung Seite 18