Spectra Precision Survey Pro v4.6 Recon and Nomad User Manual - Manual (Page 51)

Getting Started
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Feature Codes
As explained above, a description or descriptor codes can be used to
help describe a point prior to storing it, but this can be a limited
solution for describing certain points.
Survey Pro also allows you to describe any object using feature codes.
Feature codes can be used to describe objects quickly and in more
detail than a standard text description, particularly when data is
collected for several points that fit into the same category. For
example, if the locations for all the utility poles in an area were being
collected, a single feature code could be used to separately describe
the condition of each utility pole.
When describing an object using feature codes, a selection is made
from any number of main categories called features. Once a particular
feature is selected, any number of descriptions can be made from sub-
categories to the selected feature called attributes.
In general, a feature describes what an object is and attributes are
used to describe the details of that object.
To take advantage of feature codes, a feature file must first be created
using the TDS Survey Attribute Manager, which is included in
Version 7.2, or later of the TDS Survey Link software.
The TDS Survey Attribute Manager can also be used to view or
modify the selected features in a particular job and to export them to
any of several different file formats for use in other popular software
packages.
Note: You can switch between different feature code files in mid-job,
but if a collected attribute does not match an attribute in the current
feature code file, it can still be viewed, but not edited.
For more information on creating a feature file, refer to the Survey
Attribute Manager section of the Survey Link manual.