Instrument data filenaming convention
Filenames for instrument data conforms to the AusCover naming convention. This convention is an adaptation of the convention developed by the Queensland government's Remote Sensing Centre. The standard form of this convention is:

<sensor category code><instument code><product code>_<longitude>e<latitude>s_<yyyymmdd>_<processing stage code>_<additional dataset specific tags>

The following table describes the meaning of the unique codes used for the hemispherical photography products.

Data Naming Element	|Code			|Descriptor
Standard Elements	|   			|	
sensor category		|dc			|digital camera
instrument		|hm			|hemispheric lens
product			|re			|reflectance
			|ir			|infrared
processing stage	|aa0			|raw instrument data
data projection		|g0			|geographic coordinates
Data Specific Elements	|			|
h			|h<3 digit code>	|height from ground imagery taken at in centimetres 
a			|a<3 digit code>	|azimuth of transect running from plot centre to camera location in degrees from North
d			|d<2 digit code>	|distance from plot centre along transect