techPurpose
Define the 'OpenAccess' purpose for a layer.This will be used in writing to the tech-file and if a layer does not have it specified, it will be used as drawing.
You can add your own values in addition to the standard provided names:
- redundant
 - gapFill
 - annotation
 - OPCAntiSerif
 - OPCSerif
 - slot
 - fill
 - drawing
 - fatal
 - critical
 - soCritical
 - soError
 - ackWarn
 - info
 - track
 - blockage
 - warning
 - tool1
 - tool0
 - label
 - flight
 - error
 - annotate
 - drawing1
 - drawing2
 - drawing3
 - drawing4
 - drawing5
 - drawing6
 - drawing7
 - drawing8
 - drawing9
 - boundary
 - pin
 - net
 - cell
 - all
 
Structure
This element is simple - it does not have attributes or elements. The text that fills up the... is value used.
<techPurpose> ... </techPurpose>
XSD The schema file can be downloaded or viewed at xPDK_OptoCompiler.