Private class. Useful to check null objects, materials, etc.
Friend classes
Cmaxwell, CmaxwellMxi, Ccluster, Cobject, Ccamera, Cmaterial, CmaterialEmitter, CmaterialLayer, Creflectance, Ccoating and Cbsdf.
Inherited by
CmaterialPointer, Cmaterial, Ccamera, Cobject and Ccluster.
Methods
Name | Description |
---|---|
isNull | Returns whether the object, material or camera is empty (null). |
getPointer | Internal use. |
isNull
Returns whether the object, camera, material, material emitter, material layer, reflectance, coating, or BSDF is empty (null).
Language | Syntax |
---|---|
C++ | bool isNull() |
Examples
C++
Cmaxwell::Cobject object = scene.getObject( "myobject" ); if( object.isNull() ) printf( "Error: -myobject- not exists" ); else printf( "Good news: -myobject- readed successfully" );
Python
CmaxwellObject scene.getObject( 'myobject' ); if object.isNull(): print( 'Error: -myobject- not exists' ); else: printf( "Good news: -myobject- readed successfully" );