PHOTOGRAMMETRIC ENGINEERING & REMOTE SENSING
July 2014
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ment shall acquire only the technical data and the rights in
that data customarily provided to the public with a commer-
cial item or process. The contracting officer shall presume that
data delivered under a contract for commercial items was de-
veloped exclusively at private expense. When a contract for
commercial items requires the delivery of technical data, the
contracting officer shall include appropriate provisions and
clauses delineating the rights in the technical data in addenda
to the solicitation and contract (see Part 27 or agency FAR
supplements).
Appendix 5: Glossary of Terms
Glossary of Terms
This glossary represents a summary of definitions of selected
key terms and phrases that are used throughout the
Guide-
lines
document. Many of these terms are defined in greater
detail within the full text of the document. This glossary is
intended to clarify potentially confusing terms in the context
of procurement of professional photogrammetry and related
remote sensing products. This glossary is not intended to be a
comprehensive list of definitions of geospatial mapping terms
and phrases.
•
Accuracy:
The degree of conformity of a measured or
calculated value compared to the actual value. Accuracy
relates to the quality of a result and is distinguished
from precision, which relates to the quality of the opera-
tion by which the result is obtained
•
Authoritative:
Meeting clearly defined standards
such as geospatial deliverables that have been
sealed by a licensed or certified professional.
•
Authoritative Location:
An authoritative location
is a location that can be relied on as the basis for mak-
ing other determinations. Mapping data represented to
meet a specific accuracy requirement is considered to
represent authoritative locations. Establishing or de-
termining the authoritative locations of features and
boundaries is considered the practice of surveying. Re-
fer to NCEES materials cited in the references section
and specific state regulation pertaining to professional
services for further clarification and examples of how
this term applies to surveying and mapping.
•
Best Value:
The most advantageous balance of price,
quality, and performance achieved through competitive
procurement methods in accordance with stated selec-
tion criteria. (source:
/
designconstruction/docs/Best_Value_Definition.pdf).
•
Certification: Professional certification
,
trade
certification
, or
professional designation
, often
called simply
certification
or
qualification
, is a designa-
tion earned by a person to assure qualification to perform
a job or task. Many certifications are used as post-nomi-
nal letters indicating an earned privilege from a legisla-
tive body acting to safeguard the public interest.
•
Compiled:
To make or compose from other materials
or sources.
•
Deliverable(s):
Geospatial data, reports, and/or infor-
mation/documents that are developed according to a de-
fined set of specifications and delivered under the terms
of a contractual agreement or task order.
•
Direct Georeferencing:
The direct measurement of
exterior orientation parameters, i.e. position (x/y/z coor-
dinates) and attitude (roll/pitch/heading) at the instant
an aerial photograph is taken, to aid or replace aerial
triangulation. The term is also applicable to the position
and orientation of airborne LiDAR or IFSAR sensors.
•
Geomatics:
Includes the tools and techniques used in
the disciplines of land surveying, remote sensing car-
tography, geographic information systems (GIS), global
navigation satellite systems (GPS, GLONASS, Galil-
eo, Compass), photogrammetry, geography and related
forms of earth mapping.
•
Georeference:
To associate data and information
with a location in physical space; one example is, deter-
mining and establishing the mathematical relationship
of vector features, raster images and other geographical
features to map projections or coordinate systems.
•
Geospatial mapping:
Mapping, information and
data that identify the geographic location and char-
acteristics of natural or constructed features or
boundaries on the earth.
•
Geospatial accuracy:
Accuracy of geospatial map-
ping data and information. Map accuracies include both
positional accuracies and thematic accuracies:
◊
Positional accuracy:
Accuracy of the horizontal
and/or vertical coordinates that define the location
of features represented by geospatial maps, data or
information.
◊
Thematic accuracy
:
Accuracy of the feature char-
acteristics or attributes represented by the geospa-
tial maps, data or information.
•
Licensure:
refers to the granting of a license, which
gives a “permission to practice.” Such licenses are usu-
ally issued in order to regulate some activity that is
deemed to be dangerous or a threat to the person or the
public or which involves a high level of specialized skill.
•
Photogrammetry
: The art, science, and technology
of obtaining reliable information about physical objects
and the environment, through processes of recording,
measuring, and interpreting images and patterns of
electromagnetic radiant energy and other phenomena.
•
Photogrammetry and related remote sensing
:
This term is used throughout the document to clarify
that the ASPRS definition of photogrammetry is not
limited to conventional photographic imagery, but also
includes imagery and measurements acquired using Li-
DAR, RADAR, multi-spectral imagery and other remote
sensors.
•
Orthophotograph:
A photograph prepared from
