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# Metview Macro
# **************************** LICENSE START ***********************************
#
# Copyright 2016 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 ************************************
# ------------------------------------------------------------------
# Tags: GRIB,Cross Section
# Title: Cross Section
# Description: Demonstrates how to use a Cross Section View to
# compute and plot a vertical cross section of GRIB data
# ------------------------------------------------------------------
# read the GRIB data from file
t_fc = read("t_fc24.grib")
# set up the view to plot the data into
cross_section_view = mxsectview
(
bottom_level : 1000.0,
top_level : 1,
line : [-1.2, -105.6, 61.5, 85.1]
)
# set up the contouring style
shading = mcont
(
legend : "on",
contour : "off",
contour_level_count : 12,
contour_label : "off",
contour_shade : "on",
contour_shade_method : "area_fill",
contour_shade_max_level_colour : "RGB(0.72,0.059,0.059)",
contour_shade_min_level_colour : "RGB(0.99,0.98,0.98)"
)
# set up the title, just to make the font bigger
title = mtext
(
text_font_size : 0.5
)
# Define the output media
to_psfile = ps_output
(
output_name : "plot" # extension is added automatically
)
# Check the runmode and decide which media to putput the plot to
mode = runmode()
if mode = "execute" or mode = "batch" then
setoutput(to_psfile)
end if
# plot the data into the Cross Section view with visdefs for styling
plot(cross_section_view, t_fc, shading, title)