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Description:
This routine accepts an array
consisting a series of (vectorised) lines of data. The data values in the lines are then combined to form
an output mode line. The output modal values are returned in the array RESULT.
Invocation
CALL
CCG_MO3x( NSIGMA, NITER, NPIX, NLINES, STACK, VARS, MINPIX, RESULT, WRK1, WRK2, POINT,
USED, NCON, NBAD, STATUS )
Arguments
NSIGMA = REAL (Given)
The number of sigma at
which to reject data values.
NITER = INTEGER (Given)
Maximum number of refining
iterations.
NPIX = INTEGER (Given)
The number of pixels in a line of data.
NLINES =
INTEGER (Given)
The number of lines of data in the stack.
STACK( NPIX, NLINES ) = ?
(Given)
The array of lines which are to be combined into a single line.
VARS( NLINES ) = ?
(Given)
The variance to to used for each line of data.
MINPIX = INTEGER (Given)
The
minimum number of pixels required to contribute to an output pixel.
RESULT( NPIX ) = ?
(Returned)
The output line of data.
WRK1( NLINES ) = ? (Returned)
Workspace for
calculations.
WRK2( NLINES ) = ? (Returned)
Workspace for calculations.
POINT(
NLINES ) = INTEGER (Returned)
Workspace to hold pointers to the original positions
of the data before extraction and conversion in to the WRK1 array.
USED( NLINES )
= LOGICAL (Returned)
Workspace used to indicate which values have been used in
estimating a resultant value.
NCON( NLINES ) = DOUBLE PRECISION (Returned)
The
actual number of contributing pixels from each input line to the output line.
NBAD =
INTEGER (Returned)
The number of bad values in the output array created while forming the
statistics. It excludes those bad values whose corresponding values along the collapse axis
are all bad.
STATUS = INTEGER (Given and Returned)
The global status.
Notes:
-
There is a routine for real and double-precision: replace "
x"
in the routine name by D or R as
appropriate. The STACK, VARS, RESULT, WRK1, and WRK2 arguments supplied to the routine must
have the data type specified.
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