ge 1 - introduction to earth trek (1)
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Florence A. GaleonAssistant Professor
U.P. College of Engineering
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QuickBird
NOAA 12, 14, 16RADARSAT 1
SPOT 1, 2, 4
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SPOT False Color Image Ikonos True Color Image
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2004
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2002
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( 0.1 )
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,
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The anatomy of GIS refers to the
various components that make up
the system. GIS is generally thoughtto be com rised of the followin
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components: hardware, software,
data, people and organizations, and
methods and institutional
arrangements for collecting, storing,analyzing and disseminating
information about areas of the earth.
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http://geoworld.la.asu.edu/gis/
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GIS stores information as a collection of thematic layers
(left image).
By a processing called geocoding, the location of a
particular thematic feature may be recorded (right image).
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Sample GIS Layers
Extraction
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, , .. .
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(2 ) (2 )
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Handheld GPS Receivers Survey Grade GPS Receivers
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Atomic Clock
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Cartography
science and art of makingmaps and charts
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word "cartography" is derived
from the Greek words chartes
(sheet of papyrus) and graphy
(writing).
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, , , ,
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Interrelationship of the Different Geospatial Technologies
G e o m a t i c s
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