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PLANIMETRIC FEATURE EXTRACTION – CASE STUDY

CITY OF RIFLE PLANIMETRIC MAPPING

The City of Rifle, Colorado, contracted Sanborn to produce new orthoimagery, utility, parcel, planimetric, and topographic data for a project area covering the City of Rifle and the surrounding area.

The project required acquisition of 45 sq. miles of 6″ aerial imagery to support production of 6″ pixel resolution orthoimagery, 2-foot contours, and planimetric mapping data. The project also involved COGO parcel mapping of approximately 4,350 real estate parcels and digitization and/or survey of approximately 5,000 water and sanitary and sewer features.

Plan & Topo Features

Mapping Scale:
1″=100′

2 foot contours:
DTM / Breakline / Masspoints

Topo:
2-Foot Contours (index and intermediate),
Spot Heights

Planimetrics

Curbs
Hydro Line (Streams, Culverts)
Hydro Polygon (Lake, Pond, River)
Indefinite Area
Infrastructure (Traffic Signals, Water Tanks, Treatment Plants, Booster Lift Stations)
Railroad
Road (Edge of Pavement, Bridges)
Structures (Building Footprints)
Trail (Trail, Paved Trail)
Walk (Bike path, Sidewalk)

Utilities

Manholes
Fire Hydrants
Valves
Traffic Signs
Storm Inlet
Storm Manhole
Water Lines
Sewer Lines
Storm Lines

Utilities Features Converted By:

Capture of features from source maps
Survey of digitized and new features
Rectification of data to surveyed locations

Parcels

COGO’d Subdivision and Parcels fit to new orthoimagery

Orthoimagery

8 bit/ 4-band RGB / NIR imagery
1=100 scale mapping
6 inch pixel
True color Orthos
Accuracy Standard:
ASPRS Class 1
GSD 14cm

For more information or to order Sanborn Planimetric Feature Extraction products or services, call Sanborn customer service at 1.866.SANBORN (1.866.726.2676), or contact us by e-mail at information@sanborn.com.

CITY OF RIFLE SAMPLE IMAGERY

PLANIMETRIC BASE PRODUCT FEATURES

PLANIMETRIC MAPPING CASE STUDY

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For more information or to order Planimetric Feature Extraction products or services, call Sanborn customer service at 1.866.SANBORN (1.866.726.2676), or contact us by e-mail at information@sanborn.com.

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