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State of Washington Classified Job Specification

PHOTOGRAMMETRIC TECHNICIAN

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PHOTOGRAMMETRIC TECHNICIAN
538Q
Category: Science & Engineering

Definition

Performs technical photogrammetric map/data compilation, preparation, and support tasks as assigned.

Typical Work

Operates precision photogrammetric instruments to compile 2D and 3D planimetric and topographic data/maps in areas of moderate detail and difficulty; 

Prepares flight maps and performs contract compliance for large-block (3000-8000 flight line miles) aerial photography projects including:  delineation of project boundary, determination of flight altitudes; checking of alignment, forward and side overlaps, proper labeling, image quality and clarity, etc.;  

Provides support for photogrammetric mapping projects including acquisition and preparation of photography, preparation of digital data files necessary for stereocompilation, CAD edit of photogrammetrically compiled data;  

Produces mylar or paper map products, in color or black and white and at various scales, using computer-driven plotters;  

Assists in photolab or cartographic production of orthophotos and/or other aerial photo or map products/data during peak workloads;  

Accesses, imports, translates, and manipulates existing photogrammetric and GIS (Geographic Information System) data for use in photogrammetric projects;  

May assist in aerotriangulation tasks such as preparation of control point or other data files and mensuration of photo coordinates;  

Performs other duties as required.

Knowledge and Abilities

Knowledge of:  basic terminology of photogrammetry; elementary mathematics of photogrammetry, including algebra, geometry and trigonometry; basic principles of photo-interpretation; basic photographic and cartographic techniques; stereoscopic instruments; field survey practices, and public land survey system.   

Ability to:  perform elementary photogrammetric mapping preparation, drafting and stereoscopic instrument operation; check and interpret survey notes; plot control points; perform map digitizing; interpret aerial photography.

Legal Requirement(s)

There may be instances where individual positions must have additional licenses or certification. It is the employer’s responsibility to ensure the appropriate licenses/certifications are obtained for each position.

Desirable Qualifications

Two years of experience in photogrammetry, cartography, civil engineering, geodesy, geography, forestry, or related field. 

 

OR

 

Completion of recognized technical photogrammetric training courses (such as Ferris State College's course or analytical stereoplotting schools).  

 

College training in photogrammetry, cartography, civil engineering, geodesy, geography, forestry, or related field will substitute year-for-year for experience.

 

Note:  Ability to see stereoscopically and normal color perception is required.

Class Specification History

New class: 12-10-93
Revised new class code: (formerly 65477) effective July 1, 2007.

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