Is Empty

Checks if the given input is empty. An input is considered empty if there is no data. A string or array of size 0 is considered empty whereas a blank string ‘ ‘ is not empty. A float with value 0.0 and int[2] with value [0, 0] are not empty.

Installation

To use this node enable omni.graph.nodes in the Extension Manager.

Inputs

Name

Type

Descripton

Default

Input (inputs:input)

['bool', 'bool[]', 'colord[3]', 'colord[3][]', 'colord[4]', 'colord[4][]', 'colorf[3]', 'colorf[3][]', 'colorf[4]', 'colorf[4][]', 'colorh[3]', 'colorh[3][]', 'colorh[4]', 'colorh[4][]', 'double', 'double[2]', 'double[2][]', 'double[3]', 'double[3][]', 'double[4]', 'double[4][]', 'double[]', 'float', 'float[2]', 'float[2][]', 'float[3]', 'float[3][]', 'float[4]', 'float[4][]', 'float[]', 'frame[4]', 'frame[4][]', 'half', 'half[2]', 'half[2][]', 'half[3]', 'half[3][]', 'half[4]', 'half[4][]', 'half[]', 'int', 'int64', 'int64[]', 'int[2]', 'int[2][]', 'int[3]', 'int[3][]', 'int[4]', 'int[4][]', 'int[]', 'matrixd[2]', 'matrixd[2][]', 'matrixd[3]', 'matrixd[3][]', 'matrixd[4]', 'matrixd[4][]', 'normald[3]', 'normald[3][]', 'normalf[3]', 'normalf[3][]', 'normalh[3]', 'normalh[3][]', 'path', 'pointd[3]', 'pointd[3][]', 'pointf[3]', 'pointf[3][]', 'pointh[3]', 'pointh[3][]', 'quatd[4]', 'quatd[4][]', 'quatf[4]', 'quatf[4][]', 'quath[4]', 'quath[4][]', 'string', 'texcoordd[2]', 'texcoordd[2][]', 'texcoordd[3]', 'texcoordd[3][]', 'texcoordf[2]', 'texcoordf[2][]', 'texcoordf[3]', 'texcoordf[3][]', 'texcoordh[2]', 'texcoordh[2][]', 'texcoordh[3]', 'texcoordh[3][]', 'timecode', 'timecode[]', 'token', 'token[]', 'transform[4]', 'transform[4][]', 'uchar', 'uchar[]', 'uint', 'uint64', 'uint64[]', 'uint[]', 'vectord[3]', 'vectord[3][]', 'vectorf[3]', 'vectorf[3][]', 'vectorh[3]', 'vectorh[3][]']

The input to check if empty

None

Outputs

Name

Type

Descripton

Default

Is Empty (outputs:isEmpty)

bool

True if the input is empty, false otherwise

None

Metadata

Name

Value

Unique ID

omni.graph.nodes.IsEmpty

Version

1

Extension

omni.graph.nodes

Has State?

False

Implementation Language

C++

Default Memory Type

cpu

Generated Code Exclusions

None

uiName

Is Empty

Categories

function

Generated Class Name

OgnIsEmptyDatabase

Python Module

omni.graph.nodes