Center for Spatial Information Science and Systems (CSISS)
CSISS Geospatial Web Services index

Raster_PCAService

This service could be used to do principal components analysis to transform multispectral data set to a new data set without correlations between the channels.

Operation:

pca - Principal components analysis (pca) program for image processing, processes n (n >= 2) input raster map layers and produces n output raster map layers containing the principal components of the input data in decreasing order of variance ("contrast").

Request Parameters:

sourceURLArray
URL Array of a group of imagery files to be analyzed
Default format: GeoTIFF
outputGeoTiffType
Type of output GeoTIFF file. The output Format Type is specified as GeoTIFF
Parameter format: string
Options: Byte,Int16,UInt16,UInt32,Int32,Float32,Float64,CInt16,CInt32,CFloat32,CFloat64

Response Parameters:

returnURLArray
URL Array of output raster maps
returnFormat
Format of output raster maps
Default: GeoTIFF

For further informations

ServiceLocation
WSDL
JavaInterface

See also GRASS command

i.pca


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