PRINTLT

Description

Reads the parameters of a linear transformation that have been saved to disk and prints them to the specified reporting device.

Parameters

printlt(fillt)

Name	Type	Caption	Length	Value range
FILLT *	str	Linear Transformation parameters file name	1 -

* Required parameter

Parameter descriptions

FILLT

Specifies the name of the MATLAB save/load format file that contains the parameters of the linear transformation.

The file contains the following parameter values:

forward and inverse transformation matrices
band index vector
shift vector (optional)

Details

PRINTLT reads linear transformation parameters from the specified MATLAB binary save/load format file (.mat), then outputs the information in human-readable form to the specified report destination (terminal or text file).

The generated report provides the following parameter values:

elements of the forward transformation matrix
elements of the inverse transformation matrix
elements of the shift vector, if one exists
elements of the channel number vector

Examples

Use MNFLT to compute the maximum/minimum autocorrelation factors (MAF) linear transformation for channels 108 to 112 of cuprad.pix:

from pci.mnflt import mnflt

fili	=	"cuprad.pix"	# input file
fillt	=	"cuprad_mnflt.mat"	# output file
dbic	=	list(range(108, 112 + 1))	# input channels
noissrc	=	"MAF"	# max/min autocorrelation factors

mnflt( fili, fillt, dbic, noissrc=noissrc)

Print to the screen the linear transformation parameter values stored in cuprad_mnflt.mat:

from pci.printlt import printlt

fillt	=	"cuprad_mnflt.mat"	# parameter values file

printlt( fillt )

PRINTL produces the following report:

Forward Transformation Matrix:
Matrix: 5 by 5
row 0:    0.133510287   -0.627376692   0.0533566534    0.719468434
  -0.260943921
row 1:   -0.122078626      0.5211241   -0.630907547    0.516021008
  -0.221820803
row 2:    0.700099997   -0.229976724   -0.576146774   -0.266460623
   0.232431347
row 3:    0.457614587     0.31857194       0.299475   -0.100145162
  -0.767715103
row 4:   -0.350479338   -0.368897529   -0.347406082   -0.467563589
  -0.633854992

Inverse Transformation Matrix:
Matrix: 5 by 5
row 0:    0.169937468   -0.145214764    0.756566161    0.589990923
 -0.456299543
row 1:   -0.668138409    0.523197452   -0.210541839    0.346495587
  -0.404912551
row 2:    0.059429024   -0.677787585   -0.560803611    0.345109372
  -0.410905136
row 3:    0.683604116    0.462991196   -0.219480941  -0.0733650373
  -0.435074622
row 4:   -0.241947074   -0.194242801    0.173470968   -0.662913874
 -0.543545776

Shift Vector:
Vector: dim: 5
    14.3301597     13.4489577     13.1593463     14.7355044     18.5076856

Channel Numbers:
IntVector: dim: 5
     108      109      110      111      112
-----------------------------------------------

Acknowledgements

PCI Geomatics received financial support from the Canadian Space Agency/L'Agence Spatiale Canadienne through the Earth Observation Application Development Program (EOADP) for the development of this software, under contract 9F028-0-4902/12.

Environments	PYTHON :: EASI :: MODELER
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