User Guide

Thegreenmarkerbehindthelibraryentryindicatesthatthislibraryis
in use. This means that it can be used in the current project. Devices in
this library will be examined by the search function in the ADD dialog
of the schematic diagram or of the layout. This makes them available for
theproject.Thelibrarywillnotbeexaminedifthemarkingisgray.
If starting EAGLE without a project (no eagle.epf file is read, the project
has been closed before exiting EAGLE last time) and creating a new
project (⇒File/New/Project) all libraries will be in use automatically.
However, opening an already existing project, where only certain librar
-
iesare inuse beforecreatingthenewproject,willadoptthisselection.
If the Library Editor window is open you can Drag&Drop a complete
Device set or package definition from the Control Panel into the library
window.Thiswayyoucancopyitfromonelibraryintoanother.
ControlPanel:LibrarySummarywithDeviceView
DesignRules
Special Design Rules can be specified in EAGLE to govern the board de
-
sign.Thesecanbesavedasdatasetsinspecialfiles(*.dru).
The parameter set that is to govern the current project is specified in the
Design Rules branch of the tree view. If no data has been provided for
the Design Rules (DRC command), EAGLE will itself provide parame
-
ters. The marking to the right of the file entry specifies the default pa
-
rameter set for the current project. The layout will be checked by the
DRC in accordance with these criteria. Further information about the
DRCandtheDesignRulesisfoundstartingonpage 98.
27
AFirstLookatEAGLE