How to get all existing DAG node in API?

[gohkgohk]

Is it use MEL "select all" first, and then iterate on the selection?
It looks like an indirect method.
Do anyone have other method?
thx

oops..Sorry . now i know i can use "dagIterator" to loop through all the Node.
But i have another questions now.
I find some "nodes" which shown in the Hypergraph do not iterated by "dagIterator".e.g. tweak , polyboolop....
how can i access to these "node" in api, and get/modify their data/attitude?
thx

[Robert Bateman]

http://nccastaff.bournemouth.ac.uk/jmacey/RobTheBloke/www/research/index.htm

specifically:

http://nccastaff.bournemouth.ac.uk/jmacey/RobTheBloke/www/research/maya/mfn_traversing.htm


MItDependencyNodes it(MFn::kInvalid);

// keep looping until done
while(!it.isDone())
{
// get a handle to this node
MObject obj = it.item();

// attach function set
MFnDependencyNode fn(obj);
cout << fn.name().asChar() << ": " << obj.apiTypeStr() << endl;

// move on to next node
it.next();
}

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