to_xml

Description:

public string to_xml (string path_root)

Returns a freshly allocated \0 terminated string containing a XML serialization of the composition produced by a node (and thus also the nodes contributing data to the specified node).

To export a gegl graph, connect the internal output node to an output proxy (see get_output_proxy.) and use the proxy node as the basis for the serialization.

Parameters:

this	a Node
path_root	filesystem path to construct relative paths from.