./guide
setdata.pro

Last modification date:

Wed Sep 28 13:27:09 2016

setdata

procedure setdata, value[, elements], [buffer=integer]

Convenience function for setting data array of a data container.

Examples

Put the first spectra into !g.s[0], retrieve all its data, and then just the first element

    filein,'file.fits'
    getrec,1
    help, *!g.s[0].data_ptr
     FLOAT     = Array[2048]
    x = fltarr(1026)
    setdata, x
    help, *!g.s[0].data_ptr
     FLOAT     = Array[1026]
    setdata, 2.5, 0
    help, (*!g.s[0].data_ptr)[0]
     FLOAT     = 2.5
 

Uses

data_valid setdcdata

Parameters
value in, required float	data values to be inserted into the data container. Either a single float value or an array of floats are valid.
elements in, optional long (def. all)	The data array indices to be changed. Use one integer to set a single element in the data array. Use a two element array to specify a range to be set.

Keywords
buffer in, optional integer (def. 0)	The data container buffer number from which the data values are retrieved.