Specifications

122
7. Mobile Mapping
Feature Libraries
Feature libraries contain lists of features that you should be
visiting during your field sessions.
Features are four types:
- Point feature: The geometrical representation of this fea-
ture is a point. Logging this type of feature requires static
occupation at the point.
- Line feature: The geometrical representation of this fea-
ture is a line. Logging this type of feature requires that you
move along this line.
- Area feature: The geometrical representation of this fea-
ture is an area. Logging this type of feature requires that
you move along its contour.
- Grid feature: The geometrical representation of this fea-
ture is an array of evenly-distributed waypoints. ProMark3
will guide you to each of these waypoints where you
should enter a measurement performed at this point.
Each feature also has a number of attributes. There are three
categories of attributes:
- Menu style where the attribute values are words or phrases
that you pick off a list (e.g. a list of values for the attribute
Condition might include Good, Needs Repair, etc.; see
opposite)
- Numeric style where you select a number within a speci-
fied range (e.g. the # of bulbs might be in the range 0 to
3)
- Text style where you type in a note that can contain both
numbers and letters (e.g. the closest street address)
A feature library is a hierar-
chical structure that guides
you through the description
process so you know you
will describe thoroughly
and quickly each feature
you visit. You will not have
to remember what
attributes of each feature
you should record: the fea-
ture library will tell you!
Example of a “streetlight”
point feature, as may be
described in a feature
library
Feature libraries are cre-
ated using the Feature
Library Editor module in
MobileMapper Office.
Condition
# of bulbs
Closest
Address
List Attribute
values
of streetlight
- Good
- Needs repair
- Needs paint
Enter
Type in
numeric value
Street
address
attributes