Adding Raster Images as Layers

For Raster Images you would typically use GeoTiffs or include a World file:

• GeoTiffs are Tiff image files with encoded projection information.
• A World file is a file that gives the spatial extent and resolution of an associated image (e.g. a file australia.gif might have a World file australia.wld that has details of coordinates and extent). See http://en.wikipedia.org/wiki/World_filefor more information.

MapServer handles both GeoTiffs and World files but for ease of portability (i.e. a single file that includes embedded projection information) GeoTiffs can be made using software such as gdal to convert raster images to GeoTiffs (see http://www.gdal.org/).

The following is an example layer description for a GeoTiff Raster layer:

LAYER

	NAME "Land Sea Topographic"

	TYPE RASTER

	STATUS ON

	PROJECTION

		"proj=latlong"

	END

	DATA "world/topography/globaleb3colshade256.tif"

	METADATA

		"Notes" "The Global Land One-km Base Elevation (GLOBE) Project 

		<a href='http://www.ngdc.noaa.gov/mgg/topo/globe.html'>

		http://www.ngdc.noaa.gov/seg/topo/globe.shtml</a>"

	END

END