how to plot a map
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Hi,
i need to know how i can plot this map ?
8 个评论
Dyuman Joshi
2023-10-27
Please attach the data you are working with.
ahmad Saad
2023-10-27
Dyuman Joshi
2023-10-27
However, you can't change the markers, thus you are stuck with bubbles.
ahmad Saad
2023-10-27
The water bodies will be colored gray/grey, you can not change that.
%% Example
tsunamis = readtable('tsunamis.xlsx');
geobubble(tsunamis.Latitude,tsunamis.Longitude,tsunamis.MaxHeight)
ahmad Saad
2023-10-27
Dyuman Joshi
2023-10-27
Yes, that's what I am saying.
The countries will be shown as white, but the oceans, seas and any water bodies will be gray in color. You can not change that.
ahmad Saad
2023-10-27
采纳的回答
You could use shapefiles (see this answer: https://www.mathworks.com/matlabcentral/answers/361871-plot-india-map-at-the-background), or the built in coastlines.mat (see here: https://www.mathworks.com/help/map/map-limit-properties.html)
load coastlines.mat
axesm('mercator','MapLatLimit',[5 35],'MapLonLimit',[60 100],'grid','on',...
'MLineLocation',10,'PLineLocation',5,'MeridianLabel','on','ParallelLabel','on',...
'LabelFormat','none','MLabelParallel',0)
plotm(coastlat,coastlon)
plotm(17.842,73.089,'r*')
plotm(9.177,77.852,'b*')
xlabel('LONGITUDE(Deg. East)')
ylabel('LATITUDE (Deg. North)')
6 个评论
ahmad Saad
2023-10-27
Cris LaPierre
2023-10-27
编辑：Cris LaPierre
2023-10-27
Updated.
You can control the appearance of the map via axesm-based map properties. Enter these as Name-Value pairs as input arguments to axesm.
ahmad Saad
2023-10-27
There are probably better ways to do this, but here's what worked for me
load coastlines.mat
ax = axesm('mercator','MapLatLimit',[5 35],'MapLonLimit',[60 100],'grid','on',...
'MLineLocation',10,'PLineLocation',5,'MeridianLabel','on','ParallelLabel','on',...
'LabelFormat','none','MLabelParallel',0,'Frame','on');
plotm(coastlat,coastlon)
plotm(17.842,73.089,'r*')
plotm(9.177,77.852,'b*')
% hide lines
box off
color = get(gcf,'Color');
set(ax,'XColor',color,'YColor',color)
% add labels
xlabel(ax,'LONGITUDE(Deg. East)','Color','k')
ylabel(ax,'LATITUDE (Deg. North)','Color','k')
ax.YLabel.Position(1) = ax.YLabel.Position(1) - 0.05;
Dyuman Joshi
2023-10-28
ahmad Saad
2023-10-28
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