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_PLSPCPSN


      PARAMETER (NLEV=6)
      DIMENSION  RLEV (NLEV)
      DATA       RLEV /1., 5., 10., 20., 50., 100./


C     Note (15/02/2006) This example is still in progress.
C     We need to plot 4 of these onto a page!



C     Open MAGICS and set the output device

      CALL POPEN
      CALL PARSE_COMMAND_LINE ('metops_plspcpsn')



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

      CALL PSETR ('SUBPAGE_LOWER_LEFT_LATITUDE',    25.0)
      CALL PSETR ('SUBPAGE_LOWER_LEFT_LONGITUDE',  -33.0)
      CALL PSETR ('SUBPAGE_UPPER_RIGHT_LATITUDE',   50.0)
      CALL PSETR ('SUBPAGE_UPPER_RIGHT_LONGITUDE',  70.0)



C      Load and plot the Large-scale precipitation (LSP)

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


C     Define the contour for the LSP


      CALL PSETC ('grib_automatic_scaling', 'off')



      CALL PSETC ('contour_line_style',                'solid')
      CALL PSETC ('contour_label',                     'on')
      CALL PSETI ('contour_label_frequency',           1)
      CALL PSETR ('contour_min_level',                 1.0)
      CALL PSETR ('contour_max_level',                 100.0)
      CALL PSETC ('contour_level_selection_type',      'level_list')
      CALL PSET1R ('contour_level_list', RLEV, NLEV)
      CALL PSETC ('contour_highlight',                 'on')
      CALL PSETR ('contour_hilo_min_value',            5.0)
      CALL PSETC ('contour_hilo_quality',              'high')
      CALL PSETR ('contour_hilo_suppress_radius',      50.0)
      CALL PSETR ('contour_hilo_height',               0.2)
      CALL PSETC ('contour_hilo',                      'hi')
      CALL PSETC ('contour_hilo_type',                 'number')
      CALL PSETC ('contour_hilo_format',               '(I4)')
      CALL PSETC ('contour_shade',                     'on')
      CALL PSETR ('contour_shade_min_level',           1.)
      CALL PSETR ('contour_shade_max_level',           100.)
      CALL PSETR ('contour_shade_min_level_density',   100.)
      CALL PSETR ('contour_shade_max_level_density',   400.)
      CALL PSETC ('contour_shade_min_level_colour',    'red')
      CALL PSETC ('contour_shade_max_level_colour',    'red')
      CALL PSETR ('contour_shade_dot_size',            0.03)
      CALL PSETC ('contour_line_colour',               'red')
      CALL PSETC ('contour_highlight_colour',          'red')
      CALL PSETC ('contour_label_colour',              'red')
      CALL PSETC ('contour_hi_colour',                 'red')
      CALL PCONT



C      Load and plot the convective precipitation (CP)

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


C     Define the contour for the CP


      CALL PSETC ('grib_automatic_scaling', 'on')



      CALL PSETC ('contour_line_style',                'solid')
      CALL PSETC ('contour_label',                     'on')
      CALL PSETI ('contour_label_frequency',           1)
      CALL PSETR ('contour_min_level',                 1.0)
      CALL PSETR ('contour_max_level',                 100.0)
      CALL PSETC ('contour_level_selection_type',      'level_list')
      CALL PSET1R ('contour_level_list', RLEV, NLEV)
      CALL PSETC ('contour_highlight',                 'on')
      CALL PSETR ('contour_hilo_min_value',            5.0)
      CALL PSETC ('contour_hilo_quality',              'high')
      CALL PSETR ('contour_hilo_suppress_radius',      50.0)
      CALL PSETR ('contour_hilo_height',               0.2)
      CALL PSETC ('contour_hilo',                      'hi')
      CALL PSETC ('contour_hilo_type',                 'number')
      CALL PSETC ('contour_hilo_format',               '(I4)')
      CALL PSETC ('contour_shade',                     'on')
      CALL PSETR ('contour_shade_min_level',           1.)
      CALL PSETR ('contour_shade_max_level',           100.)
      CALL PSETR ('contour_shade_min_level_density',   100.)
      CALL PSETR ('contour_shade_max_level_density',   400.)
      CALL PSETC ('contour_shade_min_level_colour',    'blue')
      CALL PSETC ('contour_shade_max_level_colour',    'blue')
      CALL PSETR ('contour_shade_dot_size',            0.03)
      CALL PSETC ('contour_line_colour',               'blue')
      CALL PSETC ('contour_highlight_colour',          'blue')
      CALL PSETC ('contour_label_colour',              'blue')
      CALL PSETC ('contour_hi_colour',                 'blue')
      CALL PCONT



C      Load and plot the snowfall precipitation (SFP)

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


C     Define the contour for the SFP


      CALL PSETC ('grib_automatic_scaling', 'on')



      CALL PSETC ('contour',                        'off')
      CALL PSETR ('contour_min_level',               1.)
      CALL PSETR ('contour_max_level',               100.)
      CALL PSETC ('contour_level_selection_type',   'interval')
      CALL PSETR ('contour_interval',                99.)
      CALL PSETR ('contour_reference_level',         1.)
      CALL PSETC ('contour_hilo',                   'off')
      CALL PSETC ('contour_shade',                  'on')
      CALL PSETR ('contour_shade_min_level',         1.)
      CALL PSETR ('contour_shade_max_level',         100.)
      CALL PSETR ('contour_shade_min_level_density', 150.)
      CALL PSETR ('contour_shade_max_level_density', 150.)
      CALL PSETC ('contour_shade_min_level_colour', 'green')
      CALL PSETC ('contour_shade_max_level_colour', 'green')
      CALL PSETR ('contour_shade_dot_size',          0.04)
      CALL PSETR ('contour_shade_angle',             60.)
      CALL PCONT


C     Plot the coast

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


C     Plot the title

      CALL PSETC ('text_justification',     'left')
      CALL PSETC ('text_titles_table_use',  'off')
      CALL PSETI ('text_line_count',         3)
      CALL PSETI ('text_first_line',         2)
      CALL PSETC ('text_line_2',  '\\CLRED\\Large-Scale precipitation 
     x \\CLBLUE\\Convective precipitation 
     x \\CLBLACK\\and \\CLGREEN\\Snowfall')
      CALL PSETC ('text_line_3',  'Accumulated over last 12 hours')
      CALL PSETC ('text_quality',           'high')
      CALL PSETC ('text_colour',            'black')
      CALL PTEXT


      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
