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

            NQ=Filter Position
    
            Find the index (I) that is closest to motor position
            Then
               K=93-I
           
            IF(K.LT.0) K=93-K
            I=K/10
             K=K-10*I
    
           PICNM(11:11)=CHAR(65+I)   # 65 is an upper case 'A'
           PICNM(12:12)=K

    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