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8794 Produce rectified aerial photography

By Jane Warren,2014-12-02 20:29
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8794 Produce rectified aerial photography

    8794 version 7

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    Produce rectified aerial photography

Level 5

    Credits 6

    Purpose People credited with this unit standard are able to: gather base data, produce

    a rectified photo, and develop final transparency; and gather raw data and

    differentially rectify image data.

Subfield Surveying

    Domain Surveying - Photogrammetry and Remote Sensing

    Status Expiring

    Status date 25 February 2008

    Date version published 23 April 2008

    This unit standard is expiring. Assessment against the standard must take place before the expiry date set out below.

    Expiry date 31 December 2013

    Entry information Open.

    Accreditation Evaluation of documentation and visit by NZQA and

    industry.

    Standard setting body (SSB) InfraTrain New Zealand

    Accreditation and Moderation Action Plan (AMAP) reference 0101

    This AMAP can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.

Special notes

    1 This unit standard requires an understanding of the basic geometry of aerial

    photographs.

2 Definitions

     workplace procedures refer to documented procedures specific to an enterprise

    which set out the quality management requirements for the business practice and

    activities of that enterprise;

     ; New Zealand Qualifications Authority 2012

    8794 version 7

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     survey industry standards refer to those standards set out by the Cadastral Survey

    Act 2002, and the Cadastral Survey (Fees) Regulations 2003; standards are also

    documented in Chief Surveyor's Memoranda published internally by Land Information

    New Zealand, and in verbal and written standards documented by individual

    enterprises.

3 The term rectification includes both

     a simple rectification to remove image displacement due to tilt; and

     b differential rectification (orthophotography) to remove image displacement due to

    both tilt and relief.

Elements and performance criteria

Element 1

    Gather base data, produce a rectified photo, and develop final transparency.

Performance criteria

    1.1 Existing control data are searched and assessed in accordance with job

    specifications.

    Range draughting materials.

    1.2 Base plots are prepared in accordance with job specifications.

    Range plotting tables.

    1.3 The rectifier is operated in accordance with manufacturer's instructions.

    1.4 Contact transparency is produced in accordance with job specifications.

    Range photographic processing equipment.

Element 2

Gather raw data and differentially rectify image data.

Performance criteria

    2.1 Existing control data are searched and assessed in accordance with job

    specifications.

    2.2 Scanning of aerial photography is in accordance with manufacturer's

    instructions.

    2.3 Terrain data suitable for process are gathered in accordance with job

    specifications.

2.4 Image is produced in accordance with job specifications.

     ; New Zealand Qualifications Authority 2012

    8794 version 7

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    Please note

    Providers must be accredited by NZQA, or an inter-institutional body with delegated authority for quality assurance, before they can report credits from assessment against unit standards or deliver courses of study leading to that assessment.

    Industry Training Organisations must be accredited by NZQA before they can register credits from assessment against unit standards.

    Accredited providers and Industry Training Organisations assessing against unit standards must engage with the moderation system that applies to those standards.

    Accreditation requirements and an outline of the moderation system that applies to this standard are outlined in the Accreditation and Moderation Action Plan (AMAP). The AMAP also includes useful information about special requirements for organisations wishing to develop education and training programmes, such as minimum qualifications for tutors and assessors, and special resource requirements.

     ; New Zealand Qualifications Authority 2012

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