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Soc Encounter Metal1 option

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sonupk

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Can anybody tell me, How we can restrict the encounter to route with metal1 only horizontal direction.
I am facing the problem in metal1 routing. at some places encounter routes metal1 vertically. i need the metal1 routing in horizontal direction only.
 

The simple way is defined this in technology LEF file.
 
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    sonupk

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jirika said:
The simple way is defined this in technology LEF file.
Click to expand...
thanks jirika
direction of metal1 which is horizontal, defined in LEF file. when i restrict the encounter to route with metal1 by choosing the option trial root - use metal1, encounter route using metal1 but at some places metal1 roots are vertical. As the roots of metal1 is vertical it means that overlapping with power lines. Now i want to know, how i can restrict the encounter do the routing using metal1 only horizontal.
 

sonupk said:
... i restrict the encounter to route with metal1 ...
... how i can restrict the encounter do the routing using metal1 only horizontal.
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You can't. Simply because it's not possible, if you don't allow for another metal layer or direction.
 
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erikl said:
You can't. Simply because it's not possible, if you don't allow for another metal layer or direction.
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ok, i am using all the metals (metal1, metal2, metal3, and metal4). the route of metal1 is vertical at some places, after specifying it is horizontal in LEF file. now i want to restrict the tool routing of metal1 is only in horizontal direction. Routing of other metals (metal2 metal3 and metal4) are correct.
 

Did you allow "vertical" for metal2 ?
 

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