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Description:
This routine accepts an
array consisting of a series of (vectorised) lines of data. The data values in the lines are then summed.
The output sums are returned in the array RESULT.
Invocation
CALL CCG_SUM3x( NPIX,
NLINES, STACK, MINPIX, RESULT, NCON, NBAD, STATUS )
Arguments
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.
MINPIX = INTEGER (Given)
The minimum
number of pixels required to contribute to an output pixel.
RESULT( NPIX ) = ? (Returned)
The output line of data.
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 each numeric data type: replace " x" in the routine name by D, R, I, W, UW, B or
UB as appropriate. The STACK and RESULT arguments supplied to the routine must have the data
type specified. It is not wise to choose an integer type as the chances of overflow are high.
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