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City of Grande Prairie: Orthophoto Background Information

2014 Digital Orthophoto Products

A. 0.1 Metre Urban Product 

        • Digital Orthophoto – TIFF format and ECW 
        • Pixel size: 0.1 metre 
        • Co-ordinate system: 10TM, NAD83, Central Meridian 115 
        • Naming Convention: TTRRSS (NE, NW, SE, SW) (TT=Township, RR=Range, SS=Section, NE=Quadrant) 
        • Flight Date: May 12, 2014 
        • Vendor: AECOM 
        • Files Delivered: 
        • *.tfw = ASCII World File 
        • *.tif = Image File, TIFF Format 
        • *.ecw = Intergraph

C. 0.1 Metre Urban Mosaic Product 
    
        • Digital Orthophoto – ECW 
        • Pixel size: 0.1 metre 
        • Co-ordinate system: 10TM, NAD83, Central Meridian 115 
        • Flight Date: May 12, 2014 
        • Vendor: AECOM 
        • Files Delivered: 
        • *.ecw = Intergraph

D. LiDAR Files 

        • City of Grande Prairie boundary and immediate area 
        • Co-ordinate system: 10TM, NAD83, Central Meridian 115 
        • Naming Convention: TTRRSS (NE, NW, SE, SW) (TT=Township, RR=Range, SS=Section, NE=Quadrant) 
        • Vendor: AECOM 
        • Files Delivered: 
        • *.las, *.iati, *.isd, *.prmd 
        • *.xyz (bare earth and full feature)

Last updated: 12/17/2018 12:55:39 PM