Photogrammetric

Photogrammetric Control Points Data

Identification Information

Abstract

This digital coordinate data contains:

  • adjusted and transformed coordinates of photogrammetric control points
  • ground coordinates of ground control points

These coordinates have been established through the process of aerial triangulation originally compiled for the 1:20 000 provincial mapping program.

Features include:

  • ground control points ( horizontal and vertical )
  • lake points
  • pass points
  • perspective centres
  • tie points

Browse
Graphic

Sample ASCII Tape4 Record

Data Quality Information

Horizontal
positional
accuracy

Accuracy varies and is relative to the capture scale.

Spatial Reference Information

Horizontal
Coordinate
System
Definition

Provincial

Map
Projection
Name

UTM Zone 11 and UTM Zone 12

Horizontal
Datum Name

NAD83 and NAD27

Distribution Information

Format Name

Available in Space-M ASCII TAPE 4 format only

Fees

Free of Charge (Electronic Delivery)

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For detailed instructions, see:

General Specifications for Acquiring Aerial Photography

Identification Information

Abstract

These specifications are updated and distributed by Informatics Branch, Alberta Environment and Parks.

They are intended for general use in the procurement by Alberta government departments, of aerial photography and related data. They are not intended to address all of the technical requirements of a particular project.

Distribution Information

Format Name

Adobe.pdf

Fees

Free of Charge

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For detailed instructions, see:

 

Page Information

Updated: Sep 28, 2015