GTECH 709 Earth From Above Reference to parallel course Raster data

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Presentation transcript:

GTECH 709 Earth From Above Reference to parallel course Raster data Data sources Application examples

GTECH 711 Virtual globe tools like Google Earth Most geographic image data comes from satellites and airborne sensors, but you can even make your own DIY drone now Geographic image data is raster data, which captures information by assigning values to cells in a grid

Raster Format The size of raster grid cells determines how much resolution you have for the image

Example 1

Example 2

Example 3

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