Go to: Related nodes. Attributes.
Caution: Use of the 'setAttr' or 'getAttr' statements from within an expression node can have unexpected results. Using these statements bypasses the normal dependency graph evaluation mechanism and may cause incorrect or incomplete evaluation.
Node name | Parents | MFn type | Compatible function sets |
---|---|---|---|
expression | node | kExpression | kBase kNamedObject kDependencyNode kExpression |
animCurve, animCurveUT, animCurveUU, animCurveUA, animCurveTT, animCurveTU, animCurveUL, resultCurve, resultCurveTimeToLinear, resultCurveTimeToTime, resultCurveTimeToUnitless, resultCurveTimeToAngular, animCurveTA, animCurveTL, animBlend, animBlendInOut
animated, attribute, evaluateNow, exprConnCount, expression, frame, input, internalExpression, lastTimeEvaluated, newFileFormat, object, objectMsg, output, time, unitOption
Long name (short name) | Type | Default | Flags | ||
---|---|---|---|---|---|
input
(in )
| double | 0.0 | ![]() ![]() ![]() ![]() ![]() | ||
output
(out )
| double | 0.0 | ![]() ![]() ![]() ![]() | ||
object
(ob )
| string | NULL | ![]() ![]() ![]() | ||
attribute
(a )
| string | NULL | ![]() ![]() ![]() ![]() | ||
expression
(e )
| string | NULL | ![]() ![]() ![]() ![]() | ||
exprConnCount
(xcc )
| integer | 0 | ![]() ![]() ![]() | ||
internalExpression
(ixp )
| string | NULL | ![]() ![]() ![]() ![]() ![]() | ||
time
(tim )
| time | 0film | ![]() ![]() ![]() ![]() | ||
frame
(frm )
| time | 0film | ![]() ![]() ![]() ![]() | ||
lastTimeEvaluated
(lte )
| time | 0film | ![]() ![]() ![]() ![]() | ||
evaluateNow
(xen )
| short | 0 | ![]() ![]() ![]() | ||
animated
(ani )
| enum | 1 | ![]() ![]() ![]() ![]() ![]() | ||
newFileFormat
(nff )
| short | 0 | ![]() ![]() ![]() | ||
objectMsg
(obm )
| Message | n/a | ![]() ![]() ![]() ![]() | ||
unitOption
(uno )
| enum | 0 | ![]() ![]() ![]() ![]() ![]() | ||