#Metview Macro
# **************************** LICENSE START ***********************************
#
# Copyright 2019 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 ************************************
# ---------------------------------------------------------------
# Demonstrates how to plot a circle on any map projection using
# mvl_geocircle().
# ---------------------------------------------------------------
# set up the shaded coastlines
land_sea_shade = mcoast(
map_coastline_land_shade : "on",
map_coastline_land_shade_colour : "RGB(0.98,0.95,0.82)",
map_coastline_sea_shade : "on",
map_coastline_sea_shade_colour : "RGB(0.85,0.93,1)"
)
# define the geographic view
view = geoview(
map_projection : "polar_stereographic",
map_area_definition : "corners",
area : [-5,-30,10,84], # S,W,N,E
coastlines : land_sea_shade
)
# define the radius of the circles (in km)
circle_radius = 200
# the circle will be made up of this many segments
circle_resolution = 80
# define the centres of the circles
latPos = [58,48,38,28,18,8]
lonPos = [-20,-8,4,16,28,40]
# build the plot the finition of the circles
pltLst=nil
for i=1 to count(latPos) do
# define the cirle around the specifed coordinates
iv_circle = mvl_geocircle(latPos[i],lonPos[i],circle_radius,circle_resolution)
# define the plotting attributes for the circle
graph_circle = mgraph
(
graph_line_colour : "red",
graph_line_thickness : "4",
graph_line_style : 'solid'
)
# collect the plot definitions into a list
pltLst=pltLst & [iv_circle,graph_circle]
end for
# define the output plot file
setoutput(pdf_output(output_name : 'geocircle_on_map'))
# plot the circles on the map
plot(view, pltLst) |
|
import metview as mv
# **************************** LICENSE START ***********************************
#
# Copyright 2019 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 ************************************
# ---------------------------------------------------------------
# Demonstrates how to plot a circle on any map projection using
# mvl_geocircle().
# ---------------------------------------------------------------
# set up the shaded coastlines
land_sea_shade = mv.mcoast(
map_coastline_land_shade = "on",
map_coastline_land_shade_colour = "RGB(0.98,0.95,0.82)",
map_coastline_sea_shade = "on",
map_coastline_sea_shade_colour = "RGB(0.85,0.93,1)"
)
# define the geographic view
view = mv.geoview(
map_projection = "polar_stereographic",
map_area_definition = "corners",
area = [-5,-30,10,84], # S,W,N,E
coastlines = land_sea_shade
)
# define the radius of the circles (in km)
circle_radius = 200
# the circle will be made up of this many segments
circle_resolution = 80
# define the centres of the circles
latPos = [58,48,38,28,18,8]
lonPos = [-20,-8,4,16,28,40]
# build the plot the finition of the circles
plt_lst = []
for i in range(0,len(latPos)):
# define the cirle around the specifed coordinates
iv_circle = mv.mvl_geocircle(latPos[i], lonPos[i], circle_radius, circle_resolution)
# define the plotting attributes for the circle
graph_circle = mv.mgraph(
graph_line_colour = "red",
graph_line_thickness = "4",
graph_line_style = 'solid'
)
# collect the plot definitions into a list
plt_lst.append([iv_circle, graph_circle])
# define the output plot file
mv.setoutput(mv.pdf_output(output_name = 'geocircle_on_map'))
# plot the circles on the map
mv.plot(view, plt_lst) |
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