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# Metview Macro

#  **************************** LICENSE START ***********************************
# 
#  Copyright 

2018 ECMWF. This software is distributed under the terms
#  of the Apache License version 2.0. In applying this license, ECMWF does not
#  waive the privileges and immunities granted to it by virtue of its status as
#  an Intergovernmental Organization or submit itself to any jurisdiction.
# 
#  ***************************** LICENSE END ************************************

# ------------------------------------------------------------------
# 

Description: 

Demonstrates how to plot time serie vectors using linebars
#              and bars in a Cartesian view.
# 

------------------------------------------------------------------

# set up the axis for the cartesian view
my_vaxis = maxis(axis_tick_label_height : 0.40,
                 axis_orientation       : "VERTICAL",
                 axis_grid_thickness    : 1,
                 axis_type              : "REGULAR",
                 axis_tick_label_colour : "NAVY",
                 axis_grid              : "ON",
                 axis_grid_line_style   : "DOT",
                 axis_grid_colour       : "GREY")

my_haxis = maxis(axis_orientation         : "HORIZONTAL",
                 axis_grid_thickness      : 1,
                 axis_type                : "DATE",
                 axis_days_label_height   : 0.40,
                 axis_grid                : "ON",
                 axis_months_label_height : 0.40,
                 axis_years_label_height  : 0.50,
                 axis_grid_line_style     : "DOT",
                 axis_grid_colour         : "GREY")

my_view = cartesianview(x_axis_type     : "DATE",
                        x_date_min      : "2012-03-03 00:00:00",
                        x_date_max      : "2012-03-08 00:00:00",
                        y_axis_type     : "regular",
                        y_min           : 25,
                        y_max           : 75,
                        horizontal_axis : my_haxis,
                        vertical_axis   : my_vaxis,
                        subpage_y_length: 70)

# define first set of input vectors to plot
my_dates1 = ["2012-03-04 00:00:00","2012-03-04 12:00:00","2012-03-05 00:00:00"]
my_input1 = input_visualiser(input_plot_type      : "xy_area",
                             input_x_type         : "date",
                             input_date_x_values  : my_dates1,
                             input_date_x2_values : my_dates1,
                             input_y_values       : [30,35,50],
                             input_y2_values      : [60,40,70])

# set up a linebar plot for the first set
my_graph1 = mgraph(graph_type                     : "BAR",
                   graph_bar_colour               : "RED",
                   graph_bar_style                : "LINEBAR",
                   graph_bar_line_colour          : "RED",
                   graph_bar_justification        : "RIGHT",
                   graph_bar_width                : 6*3600,
                   graph_bar_line_thickness       : 4,
                   graph_bar_annotation_font_size : 0.40,
                   graph_bar_annotation           : ["<font colour='red'>Using linebar style</font>"],
                   legend                         : "ON")

# define second set of input vectors to plot
my_dates2 = ["2012-03-06 00:00:00","2012-03-06 12:00:00","2012-03-07 00:00:00"]
my_input2 = input_visualiser(input_plot_type      : "xy_area",
                             input_x_type         : "date",
                             input_date_x_values  : my_dates2,
                             input_date_x2_values : my_dates2,
                             input_y_values       : [60,40,30],
                             input_y2_values      : [00,00,00])

# set up a bar plot for the second set
my_graph2 = mgraph(graph_type                       : "BAR",
                   graph_shade_colour               : "GREEN",
                   graph_bar_annotation_font_colour : "CHARCOAL",
                   graph_bar_justification          : "CENTRE",
                   graph_bar_width                  : 3*3600,
                   graph_bar_annotation_font_size   : 0.40,
                   graph_bar_annotation             : ["<font colour='evergreen'>Using bar style</font>"],
                   legend_user_text                 : " ",
                   legend                           : "ON")

# set up the title
my_title = mtext(text_font_size     : 0.6,
                 text_lines         : ["More options on bar plotting ..."],
                 text_justification : "LEFT",
                 text_colour        : "CHARCOAL")


# define the output plot 

file
setoutput(pdf_output

(output_name : 

'graph4'))

# plot the cartesian graph
plot(my_view,my_input1,my_graph1,my_input2,my_graph2,my_title)