C (C) Copyright 1996-2016 ECMWF.
C 
C This software is licensed under the terms of the Apache Licence Version 2.0
C which can be obtained at http://www.apache.org/licenses/LICENSE-2.0. 
C In applying this licence, ECMWF does not waive the privileges and immunities 
C granted to it by virtue of its status as an intergovernmental organisation nor
C does it submit to any jurisdiction.
C

      PROGRAM METOPS_MSL_AND_T


C     Open MAGICS and set the output device

      CALL POPEN
      CALL PARSE_COMMAND_LINE ('metops_msl_and_t')


C   set up the page

      CALL PSETR ('SUPER_PAGE_X_LENGTH',   42.0)
      CALL PSETR ('SUPER_PAGE_Y_LENGTH',   29.7)
      CALL PSETR ('PAGE_X_LENGTH',         42.0)
      CALL PSETR ('PAGE_Y_LENGTH',         29.7)
      CALL PSETR ('SUBPAGE_X_POSITION',     1.0)
      CALL PSETR ('SUBPAGE_Y_POSITION',     3.0)
      CALL PSETR ('SUBPAGE_X_LENGTH',      40.0)
      CALL PSETR ('SUBPAGE_Y_LENGTH',      25.0)
      CALL PSETC ('PS_DEVICE',            'ps_a3')


C     Area specification (SOUTH, WEST, NORTH, EAST )

      CALL PSETR ('SUBPAGE_LOWER_LEFT_LATITUDE',     6.0)
      CALL PSETR ('SUBPAGE_LOWER_LEFT_LONGITUDE',  -49.0)
      CALL PSETR ('SUBPAGE_UPPER_RIGHT_LATITUDE',   39.0)
      CALL PSETR ('SUBPAGE_UPPER_RIGHT_LONGITUDE', 105.0)



C     Set up the coastline attributes

      CALL PSETC ('MAP_COASTLINE_COLOUR', 'BLACK')
      CALL PSETC ('MAP_GRID_COLOUR',      'BLACK')     


C     First, load and plot the MSL data

C     Pass the data to MAGICS

      CALL PSETC ('GRIB_INPUT_TYPE',      'FILE')
      CALL PSETC ('GRIB_INPUT_FILE_NAME', 'p12pt850_MSL.grib')
      CALL PGRIB


C     Define and plot the contour     

c      CALL PSETC  ('CONTOUR_METHOD',     'AKIMA760')
c      CALL PSETR  ('AKIMA_RESOLUTION_X',  1.5)
c      CALL PSETR  ('AKIMA_RESOLUTION_Y',  1.5)


      CALL PSETC  ('CONTOUR_LEVEL_SELECTION_TYPE', 'INTERVAL')
      CALL PSETI  ('CONTOUR_LINE_THICKNESS',        4)
      CALL PSETR  ('CONTOUR_INTERVAL',              5.0)
      CALL PSETC  ('CONTOUR_HILO_QUALITY',         'HIGH')
c      CALL PSETR  ('CONTOUR_HILO_SUPPRESS_RADIUS',  50.0)
      CALL PSETI  ('contour_hilo_window_size',      25)
      CALL PSETC  ('CONTOUR_HI_COLOUR',            'RED')
      CALL PSETC  ('CONTOUR_LO_COLOUR',            'RED')
      CALL PSETC  ('CONTOUR_HIGHLIGHT',            'OFF')
      CALL PCONT



C     Now load and plot the T data

      CALL PSETC ('GRIB_INPUT_FILE_NAME', 'p12pt850_T.grib')
      CALL PGRIB

      CALL PSETC  ('CONTOUR_LEVEL_SELECTION_TYPE', 'INTERVAL')
      CALL PSETC  ('CONTOUR_LINE_STYLE',           'DOT')
      CALL PSETI  ('CONTOUR_LINE_THICKNESS',        2)
      CALL PSETR  ('CONTOUR_INTERVAL',              2.0)
      CALL PSETC  ('CONTOUR_HILO',                 'OFF')
      CALL PSETC  ('CONTOUR_HIGHLIGHT',            'ON')
      CALL PSETI  ('CONTOUR_HIGHLIGHT_FREQUENCY',   100)
      CALL PSETC  ('CONTOUR_HIGHLIGHT_STYLE',      'DASH')
      CALL PSETI  ('CONTOUR_HIGHLIGHT_THICKNESS',   4)
      CALL PCONT


C     Plot the title text at the bottom

      CALL PSETC ('TEXT_MODE',          'POSITIONAL')
      CALL PSETI ('TEXT_LINE_COUNT', 2)
      CALL PSETC ('TEXT_LINE_2', 'MSL PRESSURE AND 850 hPa TEMPERATURE')
      CALL PSETR ('TEXT_BOX_X_POSITION',  1.0)
      CALL PSETR ('TEXT_BOX_Y_POSITION',  0.5)
      CALL PSETR ('TEXT_BOX_X_LENGTH',   40.0)
      CALL PSETR ('TEXT_BOX_Y_LENGTH',    2.3)
      CALL PSETC ('TEXT_JUSTIFICATION', 'LEFT')
      CALL PSETC ('TEXT_QUALITY',       'HIGH')
      CALL PSETC ('TEXT_BORDER',        'OFF')
      CALL PTEXT



C     Plot the coastlines

      CALL PCOAST







C     ----------------------------------------------------------
C     New page, this time with fields from a different time/date
C     ----------------------------------------------------------

      CALL PNEW ('SUPER_PAGE')


C     Resest the contouring attributes that were set up for T

      CALL PRESET  ('CONTOUR_LINE_STYLE')
      CALL PRESET  ('CONTOUR_LINE_THICKNESS')
      CALL PRESET  ('CONTOUR_INTERVAL')
      CALL PRESET  ('CONTOUR_HILO')
      CALL PRESET  ('CONTOUR_HIGHLIGHT')
      CALL PRESET  ('CONTOUR_HIGHLIGHT_FREQUENCY')
      CALL PRESET  ('CONTOUR_HIGHLIGHT_STYLE')
      CALL PRESET  ('CONTOUR_HIGHLIGHT_THICKNESS')
      


C     First, load and plot the MSL data

C     Pass the data to MAGICS

      CALL PSETC ('GRIB_INPUT_TYPE',      'FILE')
      CALL PSETC ('GRIB_INPUT_FILE_NAME',
     x 'p12pt850_MSL_+60_025.grib')
      CALL PGRIB


C     Define and plot the contour     

c      CALL PSETC  ('CONTOUR_METHOD',     'AKIMA760')
c      CALL PSETR  ('AKIMA_RESOLUTION_X',  0.9)
c      CALL PSETR  ('AKIMA_RESOLUTION_Y',  0.9)
      CALL PSETC  ('CONTOUR_LEVEL_SELECTION_TYPE', 'INTERVAL')
      CALL PSETI  ('CONTOUR_LINE_THICKNESS',        4)
      CALL PSETR  ('CONTOUR_INTERVAL',              5.0)
      CALL PSETC  ('CONTOUR_HILO_QUALITY',         'HIGH')
c      CALL PSETR  ('CONTOUR_HILO_SUPPRESS_RADIUS',  50.0)
      CALL PSETC  ('CONTOUR_HIGHLIGHT',            'OFF')
      CALL PCONT



C     Now load and plot the T data

      CALL PSETC ('GRIB_INPUT_FILE_NAME',
     x 'p12pt850_T_+60_025.grib')
      CALL PGRIB

      CALL PSETC  ('CONTOUR_LEVEL_SELECTION_TYPE', 'INTERVAL')
      CALL PSETC  ('CONTOUR_LINE_STYLE',           'DOT')
      CALL PSETI  ('CONTOUR_LINE_THICKNESS',        2)
      CALL PSETR  ('CONTOUR_INTERVAL',              2.0)
      CALL PSETC  ('CONTOUR_HILO',                 'OFF')
      CALL PSETC  ('CONTOUR_HIGHLIGHT',            'ON')
      CALL PSETI  ('CONTOUR_HIGHLIGHT_FREQUENCY',   100)
      CALL PSETC  ('CONTOUR_HIGHLIGHT_STYLE',      'DASH')
      CALL PSETI  ('CONTOUR_HIGHLIGHT_THICKNESS',   4)
      CALL PCONT


C     Plot the title text at the bottom

      CALL PSETC ('TEXT_MODE',          'POSITIONAL')
      CALL PSETI ('TEXT_LINE_COUNT', 3)
      CALL PSETC ('TEXT_LINE_2', 'MSL PRESSURE AND 850 hPa TEMPERATURE')
      CALL PSETC ('TEXT_LINE_3', 'FORECAST +60')
      CALL PSETR ('TEXT_BOX_X_POSITION',  1.0)
      CALL PSETR ('TEXT_BOX_Y_POSITION',  0.5)
      CALL PSETR ('TEXT_BOX_X_LENGTH',   40.0)
      CALL PSETR ('TEXT_BOX_Y_LENGTH',    2.3)
      CALL PSETC ('TEXT_JUSTIFICATION', 'LEFT')
      CALL PSETC ('TEXT_QUALITY',       'HIGH')
      CALL PSETC ('TEXT_BORDER',        'OFF')
      CALL PTEXT



C     Plot the coastlines

      CALL PCOAST


      CALL PCLOSE

      STOP
      END



C --------------------------------------------------------------------
C     PARSE_COMMAND_LINE
C     Checks the command-line for any arguments.
C     Arguments can come in pairs. Currently supported arguments are:
C     PROJECTION <CYLINDRICAL | POLAR_STEREOGRAPHIC>
C     DEVICE <PS | SVG | PNG>
C     e.g. Run the program with:
C       <progname> PROJECTION CYLINDRICAL  DEVICE SVG
C --------------------------------------------------------------------

      SUBROUTINE PARSE_COMMAND_LINE (OUTROOTNAME)

      CHARACTER*32 ARG
      CHARACTER*64 ID_TEXT
      CHARACTER*32 PROJECTION
      CHARACTER*32 DEVICE
      CHARACTER*48 EXENAME
      CHARACTER*8  MINIMAL
      CHARACTER*8  SEPARATOR
      CHARACTER*64 OUTNAME
      CHARACTER*(*) OUTROOTNAME

      CHARACTER*16 FORMATS_PS_GIF
      DIMENSION    FORMATS_PS_GIF(2)
      DATA         FORMATS_PS_GIF /'PS', 'GIF_ANIMATION'/

      CHARACTER*16 FORMATS_PS_GIF_PDF
      DIMENSION    FORMATS_PS_GIF_PDF(3)
      DATA         FORMATS_PS_GIF_PDF /'PS', 'GIF_ANIMATION', 'PDF'/

      CHARACTER*16 FORMATS_PS_GIF_SVG
      DIMENSION    FORMATS_PS_GIF_SVG(3)
      DATA         FORMATS_PS_GIF_SVG /'PS', 'GIF_ANIMATION', 'SVG'/

      CHARACTER*16 FORMATS_PS_PNG_SVG
      DIMENSION    FORMATS_PS_PNG_SVG(3)
      DATA         FORMATS_PS_PNG_SVG /'PS', 'PNG', 'SVG'/

      CHARACTER*16 FORMATS_PS_GIF_PNG_SVG
      DIMENSION    FORMATS_PS_GIF_PNG_SVG(4)
      DATA         FORMATS_PS_GIF_PNG_SVG /'PS', 'GIF_ANIMATION', 
     +                                     'PNG', 'SVG'/

      CHARACTER*16 FORMATS_ALL
      DIMENSION    FORMATS_ALL(5)
      DATA         FORMATS_ALL /'PS', 'SVG', 'PDF',
     +                          'KML', 'PNG'/

      INTEGER NUM_ARGS
      INTEGER DEVICE_SET

      DEVICE_SET = 0

      ID_TEXT = ''

      NUM_ARGS = IARGC()

      I = 1
C
C  Start GoTo
C
20    IF (I.LE.NUM_ARGS) THEN
          CALL GETARG ( I, ARG )
C
C         Set the projection?
C
          IF (ARG.EQ.'PROJECTION') THEN
              I = I + 1 
              CALL GETARG ( I, PROJECTION ) 
              CALL PSETC ('SUBPAGE_MAP_PROJECTION', PROJECTION)
C
C        Set the device?
C
          ELSEIF (ARG.EQ.'DEVICE') THEN
              I = I + 1 
              CALL GETARG ( I, DEVICE ) 

C             Set the output filename

              IF     (DEVICE.EQ.'PS')  THEN
                OUTNAME = OUTROOTNAME //   '.ps'
                CALL PSETC ('DEVICE',       DEVICE)
                CALL PSETC ('PS_DEVICE',   'ps_a4')
                CALL PSETC ('PS_FILE_NAME', OUTNAME)
              ELSEIF (DEVICE.EQ.'PS_NEW') THEN
                CALL PSETC ('OUTPUT_FORMAT',  'PS')
                CALL PSETC ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'EPS') THEN
                CALL PSETC ('OUTPUT_FORMAT',  'EPS')
                CALL PSETC ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'GIF') THEN
                CALL PSETC ('OUTPUT_FORMAT',  'GIF_ANIMATION')
                CALL PSETC ('OUTPUT_NAME', OUTROOTNAME)
                CALL PSETI ('OUTPUT_GIF_DELAY',     150)
              ELSEIF (DEVICE.EQ.'GIF_MULTI') THEN
                CALL PSETC ('OUTPUT_FORMAT',  'GIF')
                CALL PSETC ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'PNG') THEN
                CALL PSETC ('OUTPUT_FORMAT',  'PNG')
                CALL PSETC ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'JPEG') THEN
                CALL PSETC ('OUTPUT_FORMAT',  'JPEG')
                CALL PSETC ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'SVG') THEN
                CALL PSETC ('OUTPUT_FORMAT',  'SVG')
                CALL PSETC ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'CSVG') THEN
                CALL PSETC ('OUTPUT_FORMAT',  'CSVG')
                CALL PSETC ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'KML') THEN
                CALL PSETC ('OUTPUT_FORMAT',  'KML')
                CALL PSETC ('OUTPUT_NAME', OUTROOTNAME)

              ELSEIF (DEVICE.EQ.'BAD') THEN
                CALL PSETC ('OUTPUT_FORMAT',  'BAD')
                CALL PSETC ('OUTPUT_NAME', OUTROOTNAME)

              ELSEIF (DEVICE.EQ.'PS_GIF') THEN
                CALL PSET1C ('OUTPUT_FORMATS', FORMATS_PS_GIF, 2)
                CALL PSETC  ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'PS_GIF_PDF') THEN
                CALL PSET1C ('OUTPUT_FORMATS', FORMATS_PS_GIF_PDF, 3)
                CALL PSETC  ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'PS_GIF_SVG') THEN
                CALL PSET1C ('OUTPUT_FORMATS', FORMATS_PS_GIF_SVG, 3)
                CALL PSETC  ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'PS_PNG_SVG') THEN
                CALL PSET1C ('OUTPUT_FORMATS', FORMATS_PS_PNG_SVG, 3)
                CALL PSETC  ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'PS_GIF_PNG_SVG') THEN
                CALL PSET1C ('OUTPUT_FORMATS',
     +                               FORMATS_PS_GIF_PNG_SVG, 4)
                CALL PSETC  ('OUTPUT_NAME', OUTROOTNAME)
              ELSEIF (DEVICE.EQ.'ALL') THEN
                CALL PSET1C ('OUTPUT_FORMATS', FORMATS_ALL, 5)
                CALL PSETC  ('OUTPUT_NAME', OUTROOTNAME)
              ELSE
                WRITE(*, '(A)') 'BAD DEVICE: ', DEVICE
              ENDIF
            
            DEVICE_SET = 1
C
C        Split the PostScript pages into separate files?
C
          ELSEIF (ARG.EQ.'PS_SPLIT') THEN
                CALL PSETC ('OUTPUT_PS_SPLIT',     'ON')
C
C        Turn on the numbering for the first page?
C
          ELSEIF (ARG.EQ.'FIRST_PAGE_NUMBER') THEN
                CALL PSETC ('OUTPUT_NAME_FIRST_PAGE_NUMBER', 'ON')
C
C         Set the minimal filename number width?
C
          ELSEIF (ARG.EQ.'MINIMAL') THEN
              I = I + 1 
              CALL GETARG (I, MINIMAL) 
              IF     (MINIMAL.EQ.'0')  THEN
                CALL PSETI ('OUTPUT_FILE_MINIMAL_WIDTH', 0)
              ELSEIF (MINIMAL.EQ.'1')  THEN
                CALL PSETI ('OUTPUT_FILE_MINIMAL_WIDTH', 1)
              ELSEIF (MINIMAL.EQ.'2') THEN
                CALL PSETI ('OUTPUT_FILE_MINIMAL_WIDTH', 2)
              ELSEIF (MINIMAL.EQ.'3') THEN
                CALL PSETI ('OUTPUT_FILE_MINIMAL_WIDTH', 3)
              ENDIF
C
C         Set the file number separator?
C
          ELSEIF (ARG.EQ.'SEP') THEN
              I = I + 1 
              CALL GETARG ( I, SEPARATOR ) 
              CALL PSETC ('OUTPUT_FILE_SEPARATOR', SEPARATOR)
C
C        Run using linear contouring?
C
          ELSEIF (ARG.EQ.'LINEAR') THEN
                CALL PSETC ('CONTOUR_METHOD', 'LINEAR')
                CALL PSETC ('PAGE_ID_LINE_USER_TEXT_PLOT', 'ON')
                CALL PSETC ('PAGE_ID_LINE_USER_TEXT', 'LINEAR')
          ENDIF
          I = I + 1 
          GOTO 20
      ENDIF
C
C     If no device has been set, then use PostScript by default
C
      IF (DEVICE_SET.EQ.0) THEN
        OUTNAME = OUTROOTNAME // '.ps'
        CALL PSETC ('PS_DEVICE',    'ps_a4')
        CALL PSETC ('PS_FILE_NAME', OUTNAME)
      ENDIF
C
      END
