From autoplot.org

Controls DataSourceFilter nodes, here called "dsf"

Contents Properties Property changes the controller responds to dsf.uri dsf.sliceDimension dsf.sliceIndex

1. Properties

• uriNeedsResolution the URI has changed and needs to be resolved. Clients can manually resolve the data source, for example when copying.

2. Property changes the controller responds to

2.1. dsf.uri

resolve the uri to a DataSource

2.2. dsf.sliceDimension

The index (0,1,..,N-1) of the rank N dataset to slice.

2.3. dsf.sliceIndex

The index of the slice.