Files in the directory map/index/assoc:

hashnames.dat - Hashtable of the LINZ database, using placenames in lower case as key. Each element is an Object array of the metadata strings for that placename.
nametree.dat - 2-Dimensional binary tree of the linz database, branching on x-coordinate first, then y-coordinate at the next level, and alternating down the tree.
blank.jpg - the template for the legend image.

Files in the directory map/index/assoc/files:

landdist.txt - district codes to district names for LINZ database
pointdes.txt - point description codes to point description names for LINZ database

Files in the directory map/index/assoc/files/maps:
mapdata.txt - the metadata for all the maps, see the first line for a description
namedata.txt - the LINZ database with redundant items removed, see the first line for a description. This file is not used by the services at all, but is included as it is the base for the hashtable and the binary tree.

Files in the directory map/index/assoc/maps:
The map images and thumbnails.

Files in the directory map/temp:
These are files that are created at runtime for displaying maps to the users, In the names, 'uid' represents an integer id for each session. This allows more than one person to use the map collection at once without overwriting each others maps.
add_l_'uid' - file created at runtime for adding information to the legend image.
add_x_'uid' - file created at runtime for adding locations onto the map image.
links'uid' - Text file created to show the links at the bottom of a content page
legend_'uid'.jpg - the legend image.  This is manipulated at runtime.
temp_'uid'.jpg - a full-size version of whatever map image with additions is to be displayed.
temp_'uid'_2.jpg - the scaled version of temp_'uid'.jpg.  This is the image the user sees.

Files in the directory map/index/assoc/place_types:
one text file for each point description containing a list of the places of that type.