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Looking for the backdrill "ANTI"/"CLEARANCE" using skill

jwhend

Hi all,

I am looking for away to get the backdrill clearance size, or keepout size using skill.

I tried axlDBGetPad(pad_odbid 'backdrillclearance "ANTI") and it gives "flash" as the backdrill clearance. Same goes for if I use "KEEPOUT"

Any ideas??

Skill > bd3 = axlDBGetPad(pin1 'backdrillClearance "ANTI")
pad:00000000783F85C0
Skill > bd3->??
(readOnly t objType "pad" figure
    (_axlPath@0x5d1ab1d0) name nil corners nil
    radius 0.0 sides 0 inside
    0.0 bBox
    ((-21.1 -21.1)
    (21.1 21.1)
    ) parent dbid:00000000568876E8
    offset
    (0.0 0.0) type "ANTI" layer
    backdrillClearance flash "" figureName "CIRCLE"
)

Parents

  • To my knowledge, Cadence has not provided yet the size of the pad/thermal relief/antipad feature in the skill directly. Here size need to be calculated from the bounding box. Bounding box contains lower left and upper right corner xy location so simple mathematics applies here. Shape would be CIRCLE

    ll=car(pad->bBox)
    ur=cadr(pad->bBox)
    x1=car(ll)
    y1=cadr(ll)
    x2=car(ur)
    y2=cadr(ur)
    width=x2-x1
    height=y2-y1

Reply

  • To my knowledge, Cadence has not provided yet the size of the pad/thermal relief/antipad feature in the skill directly. Here size need to be calculated from the bounding box. Bounding box contains lower left and upper right corner xy location so simple mathematics applies here. Shape would be CIRCLE

    ll=car(pad->bBox)
    ur=cadr(pad->bBox)
    x1=car(ll)
    y1=cadr(ll)
    x2=car(ur)
    y2=cadr(ur)
    width=x2-x1
    height=y2-y1

Children
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