User Guide

Table Of Contents
DesignRules:AdjustingPadShapes
Elongation defines the aspect ratio of length to width of Long and Offset
pads (see image). The value is given in percent. Click with the mouse
into the field Long or Offset and the image on the left shows the corre
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spondingcalculationrule.
100% is equivalent to an aspect ratio of 2:1. 0% results in a normal octa
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gonpadwithanaspectratioof1:1.Themaximumis200%(ratio4:1).
NotesonthedisplayintheLayoutEditor:
If pads or vias have different shapes on different layers, the shapes of the
currently visible (activated with DISPLAY) signal layers are displayed
ontopofeachother.
If the color selected for layer 17, Pads, or 18, Vias, is 0 (which represents
the current background color), the pads and vias are displayed in the co
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lor and fill style of their respective layers. If no signal layer is visible,
padsandviasarenotdisplayed.
If the color selected for layer 17, Pads, or 18, Vias, is not the background
color and no signal layers are visible, pads and vias are displayed in the
shapeoftheuppermostandundermostlayer.
ThisalsoappliestoprintoutsmadewithPRINT.
Supply
Specifies the settings for thermal and annulus symbols. These special
symbols are generated in supply layers that are created automatically
(layernamestartingwitha$-sign).
EAGLE calculates the required dimensions for annulus and thermal ap
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ertures based on the pad’s drill diameter and the annulus and thermal
parameterssetintheDesignRules:
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EAGLEManual