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XMM-Newton Science Analysis System


deceit (deceit-1.15.2) [xmmsas_20030110_1802-5.4.1]

Meta Index / Home Page / Description / A few examples

A dataset with an array (image) block

# --> begin
dataset "array.ds"
<
  attribute "ATT_STR" string "hello" "a familiar greeting" ""
  attribute "PI" real 3.1415 "a familiar number" "rad"

  array(10,10) "Small Image" real32 "a small image" "erg/cm**2/s"
  <
    attribute "INT" int 1999 "last chance before the end" "a"
  >
>
# --> end

The following syntax rules apply:

• Array specifications have the following syntax:

  array(dim1, dim2, ...) name type label unit

  where

  • dim1, dim2 are integers demoting the dimensions of the array.

  • name is the array name (a string).

  • type is the type of the data stored in the array. It may be one of int8 int16 int32 real32 real64. FITS does not support boolean arrays.

  • label is a comment string.

  • unit is a unit string.

  All items are mandatory. If there are no array attributes, the $<$ $>$ can be omitted.