Read NGF File (GF)

##
Read NGF File

Purpose: To read a previously written NGF file.
Card:

        _________________________________________________________________
        /2|  5|   10|   15|   20|    30|    40|    50|    60|    70|    80|
       /  |   |     |     |     |      |      |      |      |      |      |
      |   |   |     |     |     |      |      |      |      |      |      |
      |GF |I1 |     |     |     | blank| blank| blank| blank| blank| blank|
      |   |   |     |     |     |      |      |      |      |      |      |
      |   |   |  b  |  b  |  b  |      |      |      |      |      |      |
      |   |   |  l  |  l  |  l  |      |      |      |      |      |      |
      |   |   |  a  |  a  |  a  |      |      |      |      |      |      |
      |   |   |  n  |  n  |  n  |      |      |      |      |      |      |
      |   |   |  k  |  k  |  k  |      |      |      |      |      |      |
      |   |   |     |     |     |      |      |      |      |      |      |
      |   |   |     |     |     |      |      |      |      |      |      |
      |  The numbers along the top refer to the last column in each field |
      |   |   |     |     |     |      |      |      |      |      |      |

Parameters:

Integers
  (I1) - Prints a table of the coordinates of the ends of all segments in the NGF if I1 not equal to 0. Normal printing otherwise.

Notes

GF must be the first card in the structure geometry section, immediately after CE The effects of some other data cards are altered when a GF card is used. See section III-5.

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