GPS
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GPS. GIS. RS. ระบบสารสนเทศ. Geographic Information Systems. RS. GIS. GPS. 3S Technology. ระบบบอกพิกัดตำแหน่งบนพื้นโลก ( Global Positioning System ) หรือเรียกย่อว่า GPS เพื่อใช้หาตำแหน่งต่างๆบนพื้นโลก

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GPS

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Gps

GPS

GIS

RS


Gps

  • Geographic Information Systems

RS

GIS

GPS

3S Technology


Gps

(Global Positioning System)

GPS

GPS 5 8 GPS


Gps

GPS


Gps

GPS

  • GPS Receiver 3


Gps

GPS

  • 24 ..


Gps

  • 3

  • (Waypoints)

  • (Tracks)

  • (Routes)


Gps

(satellite images)

1970 1972


Gps

(pixel)


Gps


Gps


Gps


Gps

Landsat TM

4 5 2533 JERS-1 SAR 2536

- -

-

-


Gps

Geographic Information System

1. 2. 3. 4.


Gps


Gps


Gps

1.

2.

3.

4.

- - (TIN DEM)

5.


Gps

  • 1. (Spatial Data)

  • 2. (Attribute Data)


Gps

2 - Vector ( ) ( x,y)

- Raster()


Gps


Gps

. ()

.


Gps

  • 3

  • (Point) X,Y()

  • (Arc)

  • (Polygon)


Gps

2


Gps

3.

TIN , DEM


Gps

  • 3

    1. TIN

  • The Triangulated Irregular Network x y z Z


Gps

  • - The Triangulated Irregular Network TIN- (Digital Elevation Model DEM)


Gps

TIN


Triangulated irregular network

Triangulated Irregular Network


2 dem

2.DEM

  • ()


Gps


Gps


Gps

  • DEM

http://www.disaster.go.th/news01/webddpm/gallery2/10.jpg


Gps


Gps

GIS


Gps


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