I have set up a technology file with 3 different N-Well types.  The
high level tags are shown below:


   <layer name="NTUB" fun="WELLN">
        <opaqueColor r="139" g="99" b="46"/>
        <patternedOnDisplay>true</patternedOnDisplay>
        <patternedOnPrinter>true</patternedOnPrinter>
        <pattern>      X       X </pattern>
        <pattern>                </pattern>
        <pattern>  X       X     </pattern>
        <pattern>                </pattern>
        <pattern>      X       X </pattern>
        <pattern>                </pattern>
        <pattern>  X       X     </pattern>
        <pattern>                </pattern>
        <pattern>      X       X </pattern>
        <pattern>                </pattern>
        <pattern>  X       X     </pattern>
        <pattern>                </pattern>
        <pattern>      X       X </pattern>
        <pattern>                </pattern>
        <pattern>  X       X     </pattern>
        <pattern>                </pattern>
        <outlined>NOPAT</outlined>
        <opacity>1.0</opacity>
        <foreground>false</foreground>
        <display3D thick="13.0" height="0.0" mode="NICEST"
factor="0.8"/>
        <pureLayerNode name="N-Well-Node" port="well">
            <lambda>12.0</lambda>
            <portArc>NTUB</portArc>
        </pureLayerNode>
    </layer>


        <layer name="SNTUB" fun="WELLN" extraFun="thick">
        <opaqueColor r="0" g="0" b="0"/>
        <patternedOnDisplay>true</patternedOnDisplay>
        <patternedOnPrinter>true</patternedOnPrinter>
        <pattern> X       X      </pattern>
        <pattern>X       X       </pattern>
        <pattern>       X       X</pattern>
        <pattern>      X       X </pattern>
        <pattern>       X       X</pattern>
        <pattern>X       X       </pattern>
        <pattern> X       X      </pattern>
        <pattern>  X       X     </pattern>
        <pattern> X       X      </pattern>
        <pattern>X       X       </pattern>
        <pattern>       X       X</pattern>
        <pattern>      X       X </pattern>
        <pattern>       X       X</pattern>
        <pattern>X       X       </pattern>
        <pattern> X       X      </pattern>
        <pattern>  X       X     </pattern>
        <outlined>NOPAT</outlined>
        <opacity>1.0</opacity>
        <foreground>false</foreground>
        <display3D thick="7.0" height="6.0" mode="NICEST" factor="0.6"/
>
        <pureLayerNode name="Thick-Active-Node" port="thick-active">
            <lambda>4.0</lambda>
            <portArc>SNTUB</portArc>
        </pureLayerNode>
    </layer>
        <layer name="DNTUB" fun="WELLN" extraFun="deep">
        <opaqueColor r="0" g="0" b="0"/>
        <patternedOnDisplay>true</patternedOnDisplay>
        <patternedOnPrinter>true</patternedOnPrinter>
        <pattern> X       X      </pattern>
        <pattern>X       X       </pattern>
        <pattern>       X       X</pattern>
        <pattern>      X       X </pattern>
        <pattern>       X       X</pattern>
        <pattern>X       X       </pattern>
        <pattern> X       X      </pattern>
        <pattern>  X       X     </pattern>
        <pattern> X       X      </pattern>
        <pattern>X       X       </pattern>
        <pattern>       X       X</pattern>
        <pattern>      X       X </pattern>
        <pattern>       X       X</pattern>
        <pattern>X       X       </pattern>
        <pattern> X       X      </pattern>
        <pattern>  X       X     </pattern>
        <outlined>NOPAT</outlined>
        <opacity>1.0</opacity>
        <foreground>false</foreground>
        <display3D thick="9.0" height="4.0" mode="NICEST" factor="0.6"/
>
        <pureLayerNode name="DNTUB-Node" port="DNTUB-port">
            <lambda>4.0</lambda>
            <portArc>DNTUB</portArc>
        </pureLayerNode>
    </layer>

My problem is after importing a GDS II stream I try to run Network-
>Extract Current Cell.  That process converts the DNTUB layer to a TUB
layer.  I don't really want this, is there a way to prevent this?

Oliver

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