Register a new named colormap. This colormap can then be retrieved from fromNamedColormap.
Note that if you use an existing colormap name (including one of the defaults) as the
value of name, this will overwrite that entry in the colormap registry (and it will
no longer be accessible via fromNamedColormap).
Register a new named colormap. This colormap can then be retrieved from
fromNamedColormap.Note that if you use an existing colormap name (including one of the defaults) as the value of
name, this will overwrite that entry in the colormap registry (and it will no longer be accessible viafromNamedColormap).