Product Documentation
Diva Reference
Product Version IC23.1, June 2023

Index

Symbols

,... in syntax
... in syntax
[] in syntax
{} in syntax
/ in syntax
| in syntax

A

abutment
active layers
algorithms,LVS
alignment modifiers
AnalJobMonitor
analyzing parameters ,
antenna checks
app modifier
apposition
arcs
area check
area mode, in DRC ,
area processing
area, specifying
arrays
attachParasitic command
avSwitch

B

backannotation ,
executing
limitations
background, running Diva in
batch mode
prerequisites
bends ,
measurement ,
resistance
bipolar devices and processing
Bipolar rules file
black box
blocks
Boolean functions
edges
example
braces in syntax
brackets in syntax
building logic gates

C

Cadence environment
Calculate command
calculateParameter
deriving a single measurement
storing results
calculateParameter command ,
relation to calculateParameter
relation to measureParameter
relation to measureParameter command
calculateParasitic
deriving a single measurement
storing results
calculateParasitic command
calculation functions
figure measurements for attachParasitic ,
relation to measureParasitic ,
relation to saveParasitic
Cancel button
on options forms
on standard form
capacitance
junction
capacitance, distributing evenly
capLimit (optional argument)
cell exclusion
cell inclusion
Cell-Based Options command
cells
adding run mode property
changed ,
defining macros , ,
ignoring
cellviews
extracted ,
schematic ,
change layer
changedLayer
changeLabel command ,
overview
check area
check point
creating
checkAllLayers command
checkConnected command ,
checkDeviceNetCount command ,
checkFanOut command ,
checkFloatingDevices command ,
checkFloatingNets command ,
checking
area
by properties
complex
data integrity
design rules
dimensional
electrical rules
enclosure
flat
DRC form
ERC form
Extract form
full
hierarchical
incremental
layer
networks
checking limits
by area
full
incremental
checkLayer command
checkNotConnected command ,
checkOneNetDevices command ,
checkOneTerminalNets command ,
checkPoint command ,
checkPullDown command ,
checkPullUp command ,
checkPullUpAndDown command ,
checks, electrical
circuit netlist
CMOS rules file
combining shapes on input layers
commands
attachParasitic command
Calculate command
calculateParameter command
calculateParasitic command ,
Cell-Based Options command ,
changeLabel command ,
checkAllLayers command
checkConnected command ,
checkDeviceNetCount command ,
checkFanOut command ,
checkFloatingDevices command ,
checkFloatingNets command ,
checkLayer command
checkNotConnected command ,
checkOneNetDevices command ,
checkOneTerminalNets command ,
checkPoint command ,
checkPullDown command ,
checkPullUp command ,
checkPullUpAndDown command ,
compareDeviceProperty
compareDeviceProperty command ,
compareFet command
compareRes command
complexParasitic command
copyGraphics command
DisplayErrors command
displayFeedBackLoops command ,
displayGateErrors command ,
DRC command
drc(coverage) or coverage function in the drc command
drcAntenna command ,
drcCreateLogFile
drcDenseLineEnd command
drcLogFile
drcZeroHalo
dubiousData command ,
ERC command
errorLayer command
Extract command
extractBJT command
extractCAP command
extractDevice command , ,
extractDIODE command
extractMOS command , ,
extractRES command
geomAnd command ,
geomAndNot command
geomArrayShapes command
geomAvoiding command
geomBkgnd command
geomButting command
geomButtOnly command
geomButtOrCoin command
geomButtOrOver command
geomCat command , ,
geomCellBoundary command
geomCoincident command
geomCoinOnly command
geomConnect command , ,
geomContactCheck command
geomEmpty command
geomEnclose command
geomErase command
geomExtent command
geomGetAdjacentEdge command
geomGetAngledEdge command
geomGetBBox command
geomGetByLayer command
geomGetCorner command
geomGetCoverage command
geomGetHoled command , , , ,
geomGetLength command
geomGetMacro command ,
geomGetNet command
geomGetNon45 command
geomGetNon90 command
geomGetNonRectangle command
geomGetObject command
geomGetPolygon command
geomGetPurpose command , ,
geomGetRectangle command
geomGetTexted command
geomGetUnHoled command
geomGetUnTexted command
geomGetVertex command
geomGrow
geomGrowCorner command
geomHoles command
geomInside command
geomNodeRelate command
geomNoHoles command ,
geomNot command
geomOr command
geomOutside command
geomOverlap command
geomSepOutside command
geomSize command
geomSizeAnd
geomSizeAndNot
geomSizeInTub
geomStamp command
geomStraddle command
geomStretch command
geomStretchCorner command
geomWidth command
geomXor command
globalLabel command ,
groundNet
ignoreTerminal command ,
ivCallProc command
ivCreatePCells command , ,
ivDRC command , , ,
ivERC command
ivExtract command , ,
ivlf command ,
ivLVS command
ivVerify command , ,
joinableNet command ,
layer property commands
layerDefs command
layerText command , ,
LVS command
lvsOption command
macroCellFile command
Measure command
measureFringe command , ,
measureParameter command , ,
measureParasitic command ,
measureResistance command ,
multiLevelParasitic command
nesting command
nmaeParameter command
offGrid command
oneWayPath command ,
optimizing
parallelMOS command
parallelRes command
parameterMatchDegree
parameterMatchType command
permuteDevice command ,
Probe command
pruneDevice command ,
reduceDevice command , ,
removeDevice command
saveDerived command ,
saveInterconnect command ,
saveParameter command
saveParasitic command , ,
saveProperty command
saveRecognition command , ,
sep command ,
seriesRes command
setGround command ,
setInput command ,
setOutput command ,
setPower command ,
testDeviceProperty command ,
testGateProperty command ,
twoWayPath command ,
Verify menu
DRC command
ERC command
Extract command
LVS command
Probe command
verifyArea command , ,
compareDeviceProperty command , ,
compareFet command
compareRes command
comparing layouts to schematics ,
complexParasitic
deriving a single measurement
storing results
complexParasitic command
complexParasitic plus measureFringe
ConcICe
conics
checking
connections
check one connection to circuit
connected layers
contact connection
counting
forming
geomConnect command ,
ground
input
output
power
to specific net
connectivity
checks
defining
extraction
extraction limitations
pin connectivity
selecting shapes from net
contact resistance
area resistance
resistance models
conventions
user-defined arguments
user-entered text
copy
data
shapes
copyGraphics command
corner modifier
cornerA modifier
cornerB modifier
corners, dead
cornerToCorner modifier
cornerToEdge modifier
cornerToEdgeA modifier
cornerToEdgeB modifier
correspondence points ,
defining to ,
file
form
improving error isolation
terminal names
coverage function in the drc command
cross coupling and fringe capacitance
cross-probe ,
currentCell switch name

D

data
integrity checks
manipulation
dead corners
default error region
Defaults button
on options forms
on standard forms
deleting
layers
derived layers
definition
example
in DRC
saveDerived command ,
saving
designed device
device recognition
layer ,
shapes
devices
combining
comparing
comparing parameters ,
connected to nets
designed vs. parasitic
displaying
extraction
extraneous
fixing , ,
requirements
schematics
turning on/off
floating
gates , ,
ignoring ,
ignoring for netlisting
ignoring terminals
instances
creating devices
measured values
measurements, saving
MOS , ,
not connected
pairs ,
parallel ,
parameters ,
parasitic
permutability , ,
probing
properties ,
pruning ,
reducing ,
AND and OR reduction
circuit netlist
removing , ,
series ,
simplifying
terminals
unmatched
diffNet modifier
diffNet option
dimensional checks
disk space reduction
display layers
DisplayErrors command
displayFeedBackLoops command ,
displayGateErrors command ,
displaying
devices
gate errors
loops
nets
displaying errors
distribution of capacitance
Diva
prerequisites
product flow
products to
running
batch mode
interactively
remotely
running remotely
donut holes ,
Dracula to Diva Translator
DRC
conditional execution
enclosure checks
form
hierarchical
improving performance
log file
looking through the wall
operation modes
area
flat
full
hierarchical
incremental
properties
running
setting options ,
spacing checks
starting from UNIX
starting using SKILL function
drc check
area
enc
notch
ovlp
sep
sepNotch
width
DRC command
drc modifier
app
corner
cornerA
cornerB
cornerToCorner
cornerToEdge
cornerToEdgeA
cornerToEdgeB
diffNet
edge
edgea
edgeb
errorLimit
fig
figa
figb
length
lengtha
lengthb
message
normalGrow
notCorner
notParallel
only_perp
opposite
oppositeA
oppositeB
parallel
raw
sameNet
shieldCoin
shielded
shielded(layer)
shieldedA
shieldedB
squareGrow
wholeEdge ,
wholeEdgea
wholeEdgeb
with_perp
drc? switch name ,
DRC/Extract
command
processes and products used
rules file sample
drcAntenna command ,
drcCreateLogFile command
drcDenseLineEnd command
drcExtractRules( ) command ,
drcLogFile command
drcZeroHalo command
dubiousData command ,

E

edge booleans
edge format, defined
edge keyword (optional)
edge modifier
edgea modifier
edgeb modifier
edges
adjacent ,
angle
apposition
butting ,
coincident ,
contiguous ,
different net , , , ,
DRC checking
facing
geomGetAngledEdge command
inside/outside
length ,
limit ,
not parallel
parallel
perpendicular ,
reducing
same net
selecting ,
selecting non-parallel edges
shapes
stretching
empty layers
enc check
enclosed shapes
enclosure
checks ,
limits
measuring
environment
Cadence
initializing
UNIX
environmental variables
ERC to
defining connections
displaying errors
error output files
error report
explaining errors
form
generating netlist
invoking
log file
monitoring jobs ,
netlist file
network reduction
output file
probing devices and nets
processes and products used
running
setting options
showing run information
form
using
starting using SKILL function
ERC command
ercRules( ) command
error files
error layer
error report, displaying for ERC
errorLayer command
errors
explaining
finding
excell
exclusive option
expanded mosaics ,
explaining errors
Extract
command
conditional execution
flat
form
incremental hierarchy
macro cell
running
setting options
starting from UNIX
starting using SKILL function
using
extract? switch name ,
extractBJT command
extractCAP command
extractDevice command
device recognition
example
ivpcell command
parasitic measurements
relation to attachParasitic command
relation to measureParameter command
relation to saveRecognition command
extractDIODE command
extracting
connectivity
devices
parameters
parasitic resistance
parasitics
extraction
bipolar technology ,
fracturing lines
hierarchical ?? to
incremental
macro cell
restrictions
tools
version of circuit
view of circuit , ,
extractMOS command ,
device recognition
ivpcell command
measuring parameters
optimization
parasitic measurement commands
relation to attachParasitic command
relation to saveRecognition command
extractRES command
extraneous device removal

F

feedback loops ,
fig modifier
fig modifiers
figa modifier
figb modifier
file mapping
automatic
manual
Remote Diva
files
.simrc
audit.out ,
chip.data
correspondence points
layout netlist
lvs.cpoint
minEnclosure
minNotch
minOverlap
minSpacing
minWidth
myrules , ,
netlist ,
nlpglobals
prune.out
rsf ,
run-specific commands ,
schematic netlist
si.log , ,
si.out , ,
xref.out
fill patterns
finding vertices
flat mode (device extraction)
flat mode (DRC) ,
fly-lines
fnlSearchPropString
foreground, running Diva in
forms
Add Correspondence Points
Analysis Job Monitor
Correspondence Points
Display Specific Correspondence Points
DRC
ERC
Extract
Initialize Environment
LVS
LVS Error Display
LVS Form Contents Different ,
options forms
Probing
Remove Correspondence Points
standard forms
using , ,
fringe capacitance
fringe measurements
calculating
defining a relationship ,
deriving a single measurement
fringe capacitance
rejecting measured values ,
sidewall capacitance
specifying limits ,
storing results
full hierarchical mode (device extraction)
full mode, in DRC
function keyword
function modifiers
functions
geomLineEnd

G

gates
building
creating
displaying errors
errors
forming
parameters
creating
testing
properties
reduction ,
reduction example
terminal
generating geometric shapes
geomAnd command ,
geomAndNot command
geomArrayShapes command
geomAvoiding command
geomBkgnd command
geomButting command
geomButtOnly command
geomButtOrCoin command
geomButtOrOver command
geomCat command , ,
geomCellBoundary command
geomCoincident command
geomCoinOnly command
geomConnect command ,
device recognition
establishing connectivity
one via section
geomContactCheck command
geomEmpty command
geomEnclose command
geomEncloseRect command
geomErase command
geomExtent command
geomGetAdjacentEdge command
geomGetAngledEdge command
geomGetBBox command
geomGetByLayer command
geomGetCorner command
geomGetCoverage command
geomGetEdge command
geomGetHoled command , , , ,
geomGetLayerBBox command
geomGetLength command
geomGetMacro command ,
geomGetNet command
geomGetNon45 command
geomGetNon90 command
geomGetNonRectangle command
geomGetObject command
geomGetPolygon command
geomGetPurpose command
parasitic measurements
geomGetRectangle command
geomGetTexted command
geomGetUnHoled command
geomGetUnTexted command
geomGetVertex command
geomGrow command
geomGrowCorner command
geomHoles command
geomInside command
geomLineEnd function
geomNodeRelate command
geomNoHoles command ,
geomNot command
geomOption
geomOr command
geomOutside command
geomOverlap command
geomSelectEdge command
geomSepOutside command
geomSize command
geomSizeAnd command
geomSizeAndNot command
geomSizeInTub command
geomStamp command
geomStraddle command
geomStretch command
geomStretchCorner command
geomWidth command
geomXor command
globalLabel command ,
overview
graphics layers, original
ground net, defining
groundNet command
overview
grouping commands
grow. See sizing

H

halo around checking area
halo value
hdrc boundary layer
hdrc property
Help button
on options forms
on standard forms
Hide button, on options forms
hierarchical mode, in DRC ,
limitations
hierarchical optimization
hierarchical processing, overview
hierarchical programs
DRC , ,
LPE
hierarchy
analysis
design methodology
extraction ?? to
holes ,
holes in rectangles

I

if-then-else for ERC and LVS
ignoreTerminal command ,
ignoring cells
ignoring device terminals
inactive layers
inclusion/exclusion
incremental analysis
incremental hierarchical mode (device extraction)
incremental mode (DRC) ,
Inherited Connections
initializing environment
input layers, combining
inside of shapes
shapes inside other shapes
inside/outside
installation instructions
interactive mode ,
prerequisites
interconnect
inverting shapes
ivCallProc command
ivCompilingFor
ivCreatePCells command , ,
ivDRC command , , ,
ivERC command
ivExtract command , ,
ivIncludeValue property
ivlf command ,
ivLVS command
ivpcell command
ivVerify command , ,

J

jobs
checking DRC progress ,
monitoring ,
priority
joinableNet command ,
overview

K

keywords

L

labels
adding
adding to text layer
changing
changing names
label origin location ,
pin names
placement
rules
treating as if on top-level cell
layer property commands
layerDefs command
layers
active/inactive
conducting
connected ,
contact
deleting
derived ,
edge
empty
erasing
instance
interconnect ,
keeping unmerged
label
original graphics
polygon
saving
terminal
text
layerText command , ,
layouts, comparing ,
length
measuring
length modifier
lengtha modifier
lengthb modifier
Library Browser ,
lines, flagged as warnings
locating shorts
log file
creating
log file, creating
log file, displaying for ERC
logical functions
logical operations, implied
looking through the wall
LPE, hierarchical
LVS
algorithms
backannotation, executing
command
correspondence points
adding
displaying
removing
defining extracted cellviews
defining schematic cellviews
displaying errors , ,
merged nets
pruned devices
pruned nets ,
unmatched instances ,
unmatched nets ,
unmatched parameters ,
unmatched terminals ,
explaining errors
form
Inherited Connections
invoking
options
outputs ,
probing ,
probing devices and nets
processes and products used
running
setting options
setting search paths
showing run information
starting using SKILL function
using
LVS ambiguity file
LVS command
LVSAddCorrPoints
LVSCorrPoints
LVSDspCorrPoints
lvsOption command
LVSRemCorrPoints
lvsRules( ) command ,
LVSShowRunInfo

M

macro cell mode (device extraction) to ,
macro cells
cell boundary ,
creating file of cell names , ,
defining
extraction ,
geomGetMacro function
hierarchy, controlling
ivCellType property
LVS comparison ,
processing
macroCellFile command
marker layer
markers
creating log file of shapes
listing all shapes
mask misalignment, simulating
mask registration displacement, simulating
master cell ,
matching nets
Measure command
measured figures, association with device figure
measureFringe command , ,
measurement commands ,
consolidation criteria
measurement values
creating
defining property names
higher than real value
manipulating
mathematical operators
mathematical precedence
mixing measurements
rejecting calculated values
sharing values
storing ,
measurements
bends
calculator
changing square microns to farad capacitance
optimization techniques
parameter
parasitic
saving
SPICE requirements for area
measureParameter
deriving a single measurement
storing results
measureParameter command
device characteristics
example
relation to calculateParameter command
measureParasitic command
measurement process
name limit
prerequisite to attachParasitic
prerequisite to saveParasitic
relation to calculateParasitic command
measureResistance command ,
output layer
menus
general description
slider menus ,
Tools , ,
Verification ,
Verify
from a layout window
from a schematic window
merged data, defined
merged output
shapes
merging all shapes
message modifier
models, defining
MOS
gate measuring
grouping ,
reduction , ,
mouse, using
multi-edged polygons
multiLevelParasitic
deriving a single measurement
storing results
multiLevelParasitic command
multiplication factor for coupling effects

N

nameParameter command
negative sizing
nesting commands
netlister
Diva support
schematic
spice
netlists
device type definition
device type line
format
generating for ERC
generating for LVS
generating new netlist
instance line
LVS program
parasitic devices
working file ,
nets
changing names
finding
floating
joining , ,
labeling
matching
measurements, saving
merging ,
names ,
names, changing
numbers ,
probing
networks
checking connectivity
terminal processing
nlAction property ,
NLPcompleteElementString
NLPcreateModelString
NLPElementPostamble ,
nlpExpr
nlpglobals ,
NLPModelPreamble ,
no-graph mode , , ,
normalGrow modifier
normalGrow spacing methodology
notch check
notCorner modifier
notParallel modifier
npn transistor

O

offGrid command
OK button, on standard forms
one-way paths
oneWayPath command ,
only_perp modifier
Open Simulation System (OSS)
operators, precedence
opposite modifier
oppositeA modifier
oppositeB modifier
optimizing commands
options forms
Or-bars in syntax
original graphics layers
output file, displaying for ERC
output files
error files
LVS ambiguity file
working and information files
output modifiers
outside edges
outValue
calculateParameter
calculateParasitic
complexParasitic
measureParameter
measureParasitic
multiLevelParasitic
overlap
checks
shapes ,
ovlp check

P

parallel modifier
parallel reduction ,
parallelMOS command
parallelRes command
parameterized cells , ,
parameterMatchDegree command
parameterMatchType command
parameters
analyzing ,
calculated values ,
comparing to
consolidating ,
extracting
IL functions
limit
LVS
manipulating
measured values ,
measurement commands ,
of reduced devices
parameter measurement ,
saves parameter properties ,
parasitic devices ,
creating
defined devices
ignoring for netlisting
measuring shapes
model definition
polarized option
versions
parasitic measurements
associating net numbers
deriving a single measurement
mixture
rejecting measured values
storing results
summing measurements
parasitic resistance
calculating polygons
circuit interconnect extraction
current flow
distributing capacitance value
extracting
extracting an R-C network from an interconnect layer
interconnect layer resistivity
naming a device model
naming R-C models
netlisting devices
netlisting R-C models ,
network
path resistance
processing a layer
property containing resistor value
providing a device library element
reducing the network
removing low value resistors
saving resistor body shapes
specifying capacitance parameters
specifying contact resistance parameters
parasitics
calculating
defining
extracting
figure option
manipulating
measuring , ,
measuring parasitic properties of shapes
net option prerequisite
node options requirement
saving ,
storing
paths
checking
one-way
tracing , ,
two-way
pattern recognition mode, in DRC
PDcompare
netlister
netlists
device type line
instance line
parameters
permutation, complex ,
permuteDevice command , ,
series and parallel options ,
permuteRule command ,
pin instances
pins
names, changing
permutability
physical
processing
placing labels
polygons
conics and paths expanded into
device recognition
multi-edged
polygon and edge
relation to geomAnd function
relation to geomAndNot function
power/ground
PRE (Parasitic Resistance Extraction)
contacts
extraction and reduction process
prerequisites for Diva
Probe command
probes
adding
devices for nets
devices or nets
nets for devices
displaying
errors
information
ERC options
explaining errors ,
LVS
LVS options
removing
devices for nets
nets for devices
processing pins
properties
changeLabel command
comparing
device characteristics
fix
instancesLastChanged
ivCellType
ivIncludeValue ,
minEnclosure ,
minNotch
minOverlap
minSpacing
minWidth
nlAction ,
NLPElementPostamble
NLPModelPreamble
parameters
permuteRule ,
recognitionShape
saving
pruneDevice command ,
pull-up/pull-down
load/logic structure
non-traceable paths ,
non-traceable to power or ground

R

raw data, defined
raw modifier
rectangles
defining
selecting ,
zero-width
reduceDevice command , ,
reduction
disk space
gates ,
MOS , ,
MOS example
parallel ,
run times
series , ,
series/parallel ,
region
registration modifiers
regular expression wildcards
relational functions
exclusive option
Remote Diva
file mapping
prerequisites
setting up machines
removeDevice command ,
removing devices
removing layers
resistors
Return key ,
rewiring
automatic
rules file
creating
default file name
derived layers, specifying
DRC/Extraction sample
ERC rules
ERC sample
grouping commands
LVS rules
LVS sample
nesting commands
supporting the Diva and Assura products
rules, switching
run
run directory
run modes
overriding on cells
runs, saving partial
run-specific commands
DRC
Extract
run-specific file example

S

sameNet modifier
sameNet option
saveDerived command ,
saveInterconnect command ,
saveParameter command
associating device characteristics
parameter manipulation
relation to calculateParameter command
relation to measureParameter command
similar to attachParasitic
saveParasitic command , ,
relation to measureFringe , , , ,
saveProperty command
saveRecognition command , ,
saving
derived layers
device recognition polygons
layers
partial runs
properties
scaling
schematics, comparing
segments
endpoints
selection functions
self-intersecting paths
sep check
sep command ,
separation spacing methodology
sepNotch check
series reduction ,
series/parallel reduction ,
seriesRes command
Set Options menu, user ability settings
setGround command ,
setInput command ,
setOutput command ,
setPower command ,
shapes to
abutting or coincident shapes
changing dimensions
coincident ,
conics
copy
edge-to-edge coincidence
enclosure ,
interconnect ,
invalid
invalid, highlighting
inverting
merged ,
merging all
negative sizing operation
new ,
generating
no overlap at abutment
overlapping
coincident edges
edge-to-edge coincidence
enclosed shapes
new shapes from overlap
no overlap at abutment
overlapping shapes
paths
selection by geomButtOrCoin
selection by geomGetAngledEdge
selection by geomGetPolygon ,
selection by geomOverlap
self-intersecting
separation
sizing to
straddling
synonymous with polygon
texted
vertex
width checking
shieldCoin modifier
shielded modifier
shielded(layer) modifier
shieldedA modifier
shieldedB modifier
short location
display layers
si.env file
si.log file
si.out file
simple wildcards, using
simulation requirements
simulator support
sizing to
edges
functions
negative
oversize
positive
undersize
SKILL
commands
using to run Diva
routines ,
using to run Diva ,
SKILL access
SKILL functions, syntax conventions
soft layer connections
source drain ,
spacing checks ,
special characters, example
SQUARE check
squareGrow modifier
squareGrow spacing methodology
straddling shapes
stretching
edges
negative
positive
svia, connecting
switch names
byArea?
currentCell
currentCell?
drc? , ,
echoOn?
extract? , ,
flat?
full?
hier?
ignoreMissingMasters?
joinNet?
macro?
optimize?
topCell?
switches, setting , , ,
syntax conventions

T

terminals ,
back-gate
correspondence points ,
definition
gate
ignoring ,
processing
testDeviceProperty command ,
testGateProperty command ,
testing
devices
example
gates
text
labels
labels, adding
layers
strings
Tools menu
tracing
ground ,
power ,
transition resistance
transition, width change
translating Dracula files
truncation
twoWayPath command ,

U

undersizing
UNIX
environment ,
running Diva ,
running Diva in batch mode ,
User Preferences form
user units

V

variables, environmental
verification
DRC
ERC
displaying log files
setting job priorities
showing run information ,
showing status ,
LVS
defining cellviews
displaying log files
probing ,
setting job priorities
showing status
verification rules
creating file
creating file for DRC/Extract
creating file for ERC and LVS
sample file for ERC
sample file for LVS BIPOLAR
sample file for LVS CMOS
Verify menu. See also commands
using
Verify menu. See also commands
using
verifyArea command , ,
vertex
checks
finding
vertical bars in syntax
vias, connecting

W

wells, checking electrical integrity
wholeEdge modifier ,
wholeEdgea modifier
wholeEdgeb modifier
width check
wildcards
limitations
with_perp modifier
working and information files

Z

zero width
paths
rectangles

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