voyagerpy.spatial.to_spatial_weights#

voyagerpy.spatial.to_spatial_weights(adata: AnnData, graph_name: str | None = None) → AnnData#

Convert a graph adjacency matrix to a spatial weights matrix.

Parameters:

  • adata (AnnData) – The AnnData object storing the graph

  • graph_name (Optional[str], optional) – The key in obsp storing the matrix, defaults to None. If None, the default graph is used.

Raises:

ImportError – If libpysal is not installed.

Returns:

The updated AnnData object. The libpysal spatial weights matrix is stored in adata.uns["spatial"][graph_name].

Return type:

AnnData