INSTRUME keyword defines which camera system

== Level 0 Images ==
== Character Position 1 ==
1st character is based on Camera: MapCam M
PolyCam P SamCam S NavCam N TAGCam T


== Character Positions 2-10 ==
ET in seconds

== Character Position 11 ==
Always 'F'

== Character Position 12 ==

 * MapCam - based upon the filter wheel position (CAMERAID = 1)
   || Filt Pos || char ||
   || 0     ||  0  ||
   || 720   ||  0  ||
   || 630   ||  1  ||
   || 540   ||  2  ||
   || 360   ||  3  ||
   || 270   ||  4  ||
   || 180   ||  5  ||
   || 90    ||  6  ||
   || 30    ||  7  ||

 * SamCam - based upon the filter wheel position (CAMERAID = 2)
   Filter position is defined with variable NQ and stored in [[make_sumfiles.in]]
   || Filt Pos || char ||
   || 0 ||  0  ||
   || 720 ||  0  ||
   || 600 ||  1  ||
   || 480 ||  2  ||
   || 360 ||  3  ||
   || 240 ||  4  ||
   || 120 ||  5  ||

 * PolyCam - (CAMERAID = 3)

   What it really is
   {{{
        Find the index (I) that is closest to motor position
        Then
           K=93-I
       
        IF(K.LT.0) K=93-K
        I=K/10

       Position 11 => CHAR(65+I)   # 65 is an upper case 'A'
       Position 12 =>  K - 10*I     # (goes from 0 to 9)

   }}}
   J4 and up are "super focus" positions
   A0 to J2 are nominal positions

   || Index || Motor Pos || 11&12 Char ||
   || 1 ||  630   || J2 ||
   || ...  || || ||
   || 93 ||  17190 (ish)   || A0 ||
   || 94   || 17371 (ish)  || J4 ||
   || ...  || || ||
   || 116 ||  21510  || L6 ||

   Source from PROCESS_FITS.f
   {{{
     IF(NC.EQ.3) THEN
        NQ=FLT
        K=0
        DO I=116,0,-1
          IF(NQ.LE.STEP(I+1)) K=93-I
        ENDDO
        IF(K.LT.0) K=93-K
        I=K/10
        K=K-10*I
        PICNM(11:11)=CHAR(65+I)
        FLT=K
      ENDIF
...
      WRITE(PICNM(12:12),FMT='(I1)') FLT
 

  }}}


  * NavCam (CAMERAID = 4)

    FLT = 0

  * NFTCam (CAMERAID =5)

    FLT = 0


== Level 1 Images ==
Everything is the same except for Character Position 11

  * PolyCam
      PICNM(11:11)=CHAR(ICHAR(PICNM(11:11))+13)
  * MapCam, NavCam, etc.
      G