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Untitled3.m

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+%%Open nc file which is used to extract the date
+ncfile = 'o3_surface_20180701000000.nc';
+clc;
+
+%%Welcome message
+disp('Hi, welcome to my ensemble visualization program')
+x = input('Press any key to move to the next page')
+clc;
+disp('This program allows you to view the ozone layer on different map models in a european map')
+disp('This program has accessiblity support for colour blind users')
+colorblind = input("if you're colourblind please enter 1, if not enter 0 ..");
+clc;
+%%This section of code let's the user pick which ozone model they want to
+%%use
+disp('Pick 1 of the 3 ozone map models')
+disp('1: Match Ozone map model')
+disp('2: Mocage Ozone map model')
+disp('3: Emep Ozone map model')
+MenuMapChoice = input('Enter the map model number you want to use')
+if MenuMapChoice == 1
+    ozoneModel = 'match_ozone'
+    clc;
+    disp('Match Ozone map model will be used to display the ozone effect')
+    pause(2)
+elseif MenuMapChoice == 2
+    ozoneModel = 'mocage_ozone'
+        clc;
+        disp('Mocage Ozone map model will be used to display the ozone effect')
+        pause(2)
+elseif MenuMapChoice == 3
+    ozoneModel = 'emep_ozone'
+    clc;
+        disp('Emep Ozone map model will be used to display the ozone effect')
+        pause(2)
+end
+
+disp('Extracting map data ...')
+%%Extract data from the nc file to create the ensemble 
+lon = ncread(ncfile,'lon');
+lat = ncread(ncfile,'lat');
+time = ncread(ncfile,'hour');
+SelectedOzone = ncread(ncfile,ozoneModel); %%this extracts the user selected Ozone model
+[X,Y] = meshgrid(lon,lat);
+clc;
+
+%%adjusting the colourscheme of the map for colourblindness
+if colorblind == 0
+    colormap default
+elseif colorblind == 1
+    colormap gray
+    disp("Now the map has a greyscale colour theme")
+end
+
+disp('The map in the figure will load shortly ..')
+%%Loops over the hours and shows the ozone layer for that hour
+for k = 1 : length(time)
+    clf; %%clear figure window
+    matrix = pcolor(X,Y,SelectedOzone(:,:,k)');
+    matrix.EdgeAlpha = 0;
+    matrix.FaceAlpha = 0.8;
+    load coast %%loads the coastlines on map
+    cities = shaperead('worldcities', 'UseGeoCoords', true);%%loads the cities
+    bar = colorbar; %%creating the colour bar on the side which indicates the ozone levels
+    bar.Label.String = 'Ozone Level';
+    geoshow(cities, 'Marker', '+', 'Color', 'red') %%shows the cities on the map
+    hold on;
+    plot(long,lat,'k')
+    title(sprintf('Ensemble Data on Europe'))
+    annotation('textbox' , [0.2, 0.2, 0.5, 0], 'string', "Major European cities outlined by '+' symbol", 'EdgeColor','none')
+    pause(0.1)
+end