Using Satellite GPS and GIS Mapping to Manage Wildland Firefighers
LAND ADMINISTRATION: GIS, SATELLITE IMAGING...Feb 09, 2017 · LAND ADMINISTRATION: GIS, SATELLITE...
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LAND ADMINISTRATION: GIS, SATELLITE IMAGING N.S. SHANKAR. DIGITALGLOBE. BANGALORE ;+919845545661:[email protected]
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DigitalGlobe Proprietary and Business Confidential
DGPS Point Collection
Aerial Triangulation
Extraction of topographic feature (Mass Points / Break lines)
Generation of Contours
Stereo Compilation
Data Finalization
NLRMP/DILRMP: 1:4000 maps
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DigitalGlobe Proprietary and Business Confidential
DigitalGlobe Satellite Constellation : 30-cm Stereo
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DigitalGlobe Proprietary and Business Confidential
Taj Mahal, Agra, WV03, 30cm
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DigitalGlobe Proprietary and Business Confidential
Churchgate Station, Mumbai, WV03, 30cm
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DigitalGlobe Proprietary and Business Confidential
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DigitalGlobe Proprietary 7
2/9/2017
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DigitalGlobe Proprietary and Business Confidential
The Geospatial Big Data Platform (“GBDX”) Extract information from imagery and other sources at scale
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To provide enriched information feeds at mission relevant speeds
DigitalGlobe Library
Other Commercial Imagery Sources
Open Source Content
Geospatial Big Data Platform Analysis-
Ready Information
Layers
Access via GBDX Subscription
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DigitalGlobe Proprietary and Business Confidential
Sample Changes Detection using archives online
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DigitalGlobe Proprietary 10
ACCURACY : Haryana, Orissa, Konkan,NDVA, NHAI, RITES, Maharashtra, Delhi, RAPDRP, West Bengal
• Control Points has been collected at 4X4 Km grid.
• Few controls points has been used for triangulation.
• Few points has been used as check points for accuracy check.
• One AOI which is approximately of 8K Sq Km was processed as one block.
• The accuracy achieved was
X = 0.22 Mts
Y = 0.26 Mts
Z = 0.46 Mts
• Additional checking was done using stereo visualization.
• Further check was done by identifying few parcels on orthorectified Imagery and measured the distance in all four directions and diagonally by GIS tools and measured the same on the ground which are with the limit of < 5%.
2/9/2017
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3-D Products with DEM , True Ortho Photos
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DigitalGlobe Proprietary and Business Confidential
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DigitalGlobe Proprietary and Business Confidential To update the footer with the presentation title, find Header & Footer in the Insert tab and Apply to All 13 2/9/2017