User Guide

6.3 CreateBoard
Afteryouhavecreatedtheschematic,clickthe Switchtoboard icon.
An empty board is generated, next to which the components are placed,
joined together with airwires. Supply pins are connected by those sig
-
nals which correspond to their name, unless another net is explicitly
joinedtothem.
The board is linked to the schematic by the Forward&Back Annotation.
Provided that both files are always loaded during editing they are guar
-
anteed to remain consistent. Alterations made in one file are automati
-
callycarriedoutintheother.
If, for example, the schematic diagram is loaded and edited without the
layout, consistency is lost. The Forward&Back Annotation no longer
functions. Differences must then be rectified manually with the aid of
theerrormessagesprovidedbytheERC.
WithouttheSchematicEditor
If you work without a Schematic Editor, you must generate a new board
file, place the packages with the ADD command and define the connec
-
tionswiththeSIGNALcommand.
To understand this process, please read the section on Placing Compo
-
nents on page 82, and the section on Specifying Net Classes on page 87.
These two points apply to the Layout Editor as well as to the Schematic
Editor.
The remaining procedures are identical for users with and without the
SchematicEditor.
SpecifytheBoardOutline
A board that has just been generated from a schematic diagram initially
appearsasinthefollowingdiagram:
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FromSchematictoFinishedBoard