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# Metview Example

#  **************************** 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.
# ------------------------------------------------------------------

import metview as mv

# set up the axis for the cartesian view
my_vaxis = mv.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 = mv.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 = mv.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 = mv.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 = mv.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 = mv.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 = mv.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 = mv.mtext(text_font_size     = 0.6,
                    text_lines         = ["More options on bar plotting ..."],
                    text_justification = "LEFT",
                    text_colour        = "CHARCOAL")


# define the output plot file
mv.setoutput(mv.pdf_output(output_name = 'graph4'))

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