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1997 Air Photo Index

Frequently-anticipated questions:

What does this data set describe?

Title: 1997 Air Photo Index
Centroid of colour infrared aerial photographs taken in 1997 at 1:24 000 scale
  1. How should this data set be cited?


    , 1997, 1997 Air Photo Index.



  2. What geographic area does the data set cover?


    West_Bounding_Coordinate: -64.534742
    East_Bounding_Coordinate: -61.930703
    North_Bounding_Coordinate: 47.079558
    South_Bounding_Coordinate: 45.925897


  3. What does it look like?



  4. Does the data set describe conditions during a particular time period?


    Calendar_Date: 1997
    Currentness_Reference: 1997


  5. What is the general form of this data set?


    Geospatial_Data_Presentation_Form: vector digital data


  6. How does the data set represent geographic features?


    1. How are geographic features stored in the data set?

      This is a Vector data set. It contains the following vector data types (SDTS terminology):

      • Entity point (1048)


    2. What coordinate system is used to represent geographic features?


      Planar coordinates are encoded using coordinate pair
      Abscissae (x-coordinates) are specified to the nearest 0.000000
      Ordinates (y-coordinates) are specified to the nearest 0.000000
      Planar coordinates are specified in meters


      The horizontal datum used is D_North_American_1983_CSRS98.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.000000.
      The flattening of the ellipsoid used is 1/298.257222.



  7. How does the data set describe geographic features?


    PEI 1997 Air Photo Index


    Internal feature number. (Source: ESRI)


    Sequential unique whole numbers that are automatically generated.


    Feature geometry. (Source: ESRI)


    Coordinates defining the features.











Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)



  2. Who also contributed to the data set?



  3. To whom should users address questions about the data?


    PEI Dept of Environment, Energy & Forestry, Forests, Fish & Wildlife Division
    c/o Mary Lynn McCourt
    GIS Supervisor

    (902) 569-7598 (voice)
    (902) 368-5661 (FAX)


Why was the data set created?

Photographs captured for updating of the 1990 forest inventory


How was the data set created?

  1. From what previous works were the data drawn?


    (source 1 of 1)
    Type_of_Source_Media: contact print
    Source_Scale_Denominator: 24 000


  2. How were the data generated, processed, and modified?


    (process 1 of 1)


  3. What similar or related data should the user be aware of?



How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?



  2. How accurate are the geographic locations?



  3. How accurate are the heights or depths?



  4. Where are the gaps in the data? What is missing?



  5. How consistent are the relationships among the observations, including topology?



How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?


Access_Constraints: See Digital Data Agreement
Use_Constraints: See Digital Data Agreement


  1. Who distributes the data set? (Distributor 1 of 1)


    Sandra Jamieson
    PEI Dept of Environment, Energy & Forestry, Forests, Fish & Wildlife Division
    GIS Technician

    (902) 368-5634 (voice)
    (902) 368-5661 (FAX)

  2. What's the catalog number I need to order this data set?

    Downloadable Data


  3. What legal disclaimers am I supposed to read?


    See Digital Data Agreement


  4. How can I download or order the data?


    • Availability in digital form:


      Data format: ESRI Shapefile , MapInfo MID/MIF (version ArcMap 8.3, MapInfo 7.0) Size: 0.028
      Network links:


    • Cost to order the data: Free


    • Special instructions:


      Downloadable from



  5. What hardware or software do I need in order to use the data set?


    GIS Mapping Software



Who wrote the metadata?

Last modified: 02-Dec-2010
Metadata author:
PEI Dept of Environment, Energy & Forestry, Forests, Fish & Wildlife Division
c/o Mary Lynn McCourt
GIS Supervisor
440 University Ave
Charlottetown, PE C1A 7N6

902-569-7598 (voice)
(902) 368-5661 (FAX)

Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)
Metadata extensions used:


Generated by mp version 2.9.6 on Fri Dec 10 08:56:41 2010

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