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Service Description: This dataset is a mosaic of SPOT 4 and SPOT 5 satellite imagery that covers the Northwest Territories and adjacent areas in the Yukon Territory, Nunavut Territory, British Columbia and Alberta. Individual SPOT images were downloaded from Geobase.ca, and full FGDC metadata for the individual images and additional information on the SPOT satellite is available from the geobase website (http://www.geobase.ca/geobase/en/data/imagery/imr/index.html). These images were acquired over a 5 year period between 2005-2010. Processing conducted at the NWT Centre for Geomatics included pan-fusion of the 20 meter 'color' image bands with the 10 meter panchromatic band, creating a composite image which has 10 meter resolution and red-green-blue colours. No color correction or color balancing has been applied to the imagery. Images were downloaded from http:\\www.geobase.ca in UTM, NAD 83 projection. All images includes 'No Data" areas between the coloured part of the image and the file extent. During the mosaic process (ArcMap GIS software), the NoData areas were set to transparent, This included all areas within the image which had values of 0,0,0 (black, black, black) for each of the three image channels. However, this procedure also affected all areas of the image which had values of 0,0,0, as a result, some areas within the darker coloured areas of the image appear as white, or empty pixels. This is a result of the mosaic process, and not an error within the SPOT data. NOTE: This Service is continously cached until 1:35,000 scale, which is the optimal scale for viewing 10 m Spot resolution. This service may not be cache in specific areas any scale larger than 1:30,000.
Map Name: Layers
Legend
All Layers and Tables
Layers:
Description:
Copyright Text: Steven Schwarz, NWT Centre for Geomatics
Spatial Reference:
102002
(102002)
Single Fused Map Cache: true
Tile Info:
- Height: 256
- Width: 256
- DPI: 96
-
Levels of Detail: 17
- Format: PNG32
- Compression Quality: 0.0
- Origin:
X: -3.51054E7
Y: 4.09553E7
- Spatial Reference:
102002
(102002)
Initial Extent:
XMin: -2583251.521866992
YMin: 2752987.2242597435
XMax: 1777090.532150452
YMax: 5631659.64827126
Spatial Reference:
102002
(102002)
Full Extent:
XMin: -2286313.7916
YMin: 1651894.7665
XMax: 822316.2083999999
YMax: 4679765.214500003
Spatial Reference:
102002
(102002)
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title:
Author:
Comments: This dataset is a mosaic of SPOT 4 and SPOT 5 satellite imagery that covers the Northwest Territories and adjacent areas in the Yukon Territory, Nunavut Territory, British Columbia and Alberta. Individual SPOT images were downloaded from Geobase.ca, and full FGDC metadata for the individual images and additional information on the SPOT satellite is available from the geobase website (http://www.geobase.ca/geobase/en/data/imagery/imr/index.html). These images were acquired over a 5 year period between 2005-2010. Processing conducted at the NWT Centre for Geomatics included pan-fusion of the 20 meter 'color' image bands with the 10 meter panchromatic band, creating a composite image which has 10 meter resolution and red-green-blue colours. No color correction or color balancing has been applied to the imagery. Images were downloaded from http:\\www.geobase.ca in UTM, NAD 83 projection. All images includes 'No Data" areas between the coloured part of the image and the file extent. During the mosaic process (ArcMap GIS software), the NoData areas were set to transparent, This included all areas within the image which had values of 0,0,0 (black, black, black) for each of the three image channels. However, this procedure also affected all areas of the image which had values of 0,0,0, as a result, some areas within the darker coloured areas of the image appear as white, or empty pixels. This is a result of the mosaic process, and not an error within the SPOT data. NOTE: This Service is continously cached until 1:35,000 scale, which is the optimal scale for viewing 10 m Spot resolution. This service may not be cache in specific areas any scale larger than 1:30,000.
Subject: This a mosaic of SPOT 4 and SPOT 5 satellite images, that were collected between 2005-1010. Mosaic covers all of NWT and slightly beyond NWT borders. Images were downloaded from geobase.ca and processed at the NWT Centre for Geomatics.
Category:
Keywords: SPOT,imagery,Mosaic,NWT
AntialiasingMode: None
TextAntialiasingMode: Force
Supports Dynamic Layers: false
MaxRecordCount: 1000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, AMF, geoJSON
Min Scale: 25000000
Max Scale: 1000
Supports Datum Transformation: true
Child Resources:
Info
Supported Operations:
Export Map
Identify
QueryDomains
Find
Return Updates
Generate KML