checking exact enclosing

akita11

I'm trying to check "exact" enclosing of layer1 in layer2. This is often the case in PAD layout rule.
We can check minimum enclosing by "layer2.enclosing(layer1, value)".
Is there any way to check the exact enclosing values?

tomas2004

Hello,

I tried to make one for rectilinear layers a while ago:

report("DRC RULE ENCLOSURE_L1_L2_FIXED")

Layer01 = input(1,0)
Layer02 = input(2,0)

Enclosure_L1_L2_Fixed = 1.0.um

Layer01A = Layer01.enclosing(Layer02, Enclosure_L1_L2_Fixed,projection).polygons
Layer01B = Layer01.enclosing(Layer02, Enclosure_L1_L2_Fixed+1.dbu,projection).polygons

Layer01C = Layer01B - Layer01A
Layer01D = Layer01 - Layer02 - Layer01C

Layer01E = Layer01D.with_area(2.0*Enclosure_L1_L2_Fixed**2)
Layer01F = Layer01D.with_area(Enclosure_L1_L2_Fixed**2, 2.0*Enclosure_L1_L2_Fixed**2)
Layer01G =( Layer01D - Layer01E - Layer01F + Layer01A).merged

Layer01G.output("ENCLOSURE L1 L2 FIXED", "Fixed Enclosure L1 L2 = #{Enclosure_L1_L2_Fixed}um")

Cheers,

Tomas

akita11

@tomas2004 Hi, thanks for your advise!

gvidasgsasic

How to check when the via is round? Any ideas for this?

Matthias

@gvidasgsasic Please don't hijack old discussions. This thread is almost 4 yours old and there has been a lot of development in the DRC area.

Please open a new discussion and supply a little more information such as a sample layout and screenshots. This will improve the likelihood to get useful replies and it makes a better impression if you spend a little more effort in your request than a one-liner comment.

Matthias