How can I create a contourf with costline?

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Szabó-Takács Beáta
回答： Szabó-Takács Beáta 2016-6-23
Dear All, I have a 2D matrix about precipitation values in Europe. I would like to create a contourf from this matrix with costline. I tried to the followings:
h = worldmap('Europe');
geoshow('landareas.shp', 'FaceColor', [1 1 1])
hold on
axesm('eqdconic','maplatlimit',[26.5861 71.8699],'maplonlimit',[-34.748 60.8422]);
>> contourf(lon,lat,IU2);
But unfortunately it does not work. Can someone suggest me a solution for creating contourf with costline? I would appreciate if someone helped me.

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Szabó-Takács Beáta
Meantime I found a solution.
worldmap('Europe');
load coast;
plotm(lat, long, 'k');
clear lat long;
lat=load(lat.mat)
lon=load(lon.mat)
contourfm(lat,lon,IU2);

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