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Synopsis

isDirty( string... , [connection=boolean], [datablock=boolean])

Note: Strings representing object names and arguments must be separated by commas. This is not depicted in the synopsis.

isDirty is undoable, NOT queryable, and NOT editable.

The isDirty command is used to check if a plug is dirty. The return value is 0 if it is not and 1 if it is. If more than one plug is specified then the result is the logical "or" of all objects (ie. returns 1 if *any* of the plugs are dirty).

Return value

booleanIs the plug dirty? If more than one plug is given then it returns the logical "and" of all dirty states.

Related

attributeQuery, getClassification, isConnected, nodeType, objExists, objectType

Flags

connection, datablock
Long name (short name) Argument types Properties
datablock(d) boolean create
Check the datablock entry for the plug.
connection(c) boolean create
Check the connection of the plug (default).

Flag can appear in Create mode of command Flag can appear in Edit mode of command
Flag can appear in Query mode of command Flag can have multiple arguments, passed either as a tuple or a list.

Python examples

import maya.cmds as cmds

cmds.sphere( n='sun' )

# Check connection of sun.tx
cmds.isDirty( 'sun.tx' )
# Return: 0 #

# Check datablock of sun.tx
cmds.isDirty( 'sun.tx', d=True )
# Return: 0 #

# Check datablock and connection.
# Returns logical "and" of both.
cmds.isDirty( 'sun.tx', d=True, c=True )
# Return: 0 #