load niche cluster connectivity
giotto object
the directory where the ONTraC results are saved. Default is getwd()
the directory to save the GNN results. Default is file.path(ontrac_results_dir, "GNN_dir")
spatial unit (e.g. "cell")
feature type (e.g. "rna", "dna", "protein")
name for the connectivity matrix
gobject with niche cluster connectivity matrix
This function loads the ONTraC outputed niche cluster connectivity matrix as an exprObj into the giotto object.