Compute the aesthetics for a subtree visualisation.
Arguments
- proxy
The map to be modified.
- aes
The dataframe containing the aesthetics details (must be of lm_branches class).
- df
The full dataframe.
- df_visible
The dataframe containing visible taxa.
- df_descendants
The dataframe containing all the information on the descendants of visible taxa.
- group_info
the ID of this group of lines.
- all_taxids
A vector containing all the visible taxids and their direct descendants.