Graphical Layers Section 4 Engineering Interface
44 3BSE042835-600
Icons shall be put in layer 1, and the instance name of the icon type should be Icon.
When the “surrounding” control module type lacks graphical connections, the icon
should not be zoomable. This means the icon inherits the zooming properties of
layer 1, that is, it disappears at a zoom level of 0.95 (which means that the type
covers more than 95% of the whole screen).
If graphical connections exist in the surrounding type, the icon instance should be
zoomable and MaxSize of the icon instance set to 0.85. If such a type is zoomed in
on, the icon is visible until the zoom level 0.85 is reached. Between zoom level 0.85
and 0.95, the graphical connections and the node names are visible. If the type is
zoomed in on even more, layer 2 becomes visible.
If the control module type contains an interaction window in layer 2, there should be
a non-visible toggle window interaction object in layer 1. The interaction object
should be somewhat smaller than the control module type itself.
If the control module type has graphical connections and a Name parameter, the
name should be in layer 1 to be visible together with the node names.
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