How can I show in a map a certain value in given its latitude and longitude?

Hello, I have a 3D(Lat,Long,Value) array as:

-3.69834356435644  40.3692049504951  55.2800325952722
-5.75910000000000  41.6759400000000  278.508909991090
1.05841800000000  41.6189370000000  21.5032056211029
-0.436050000000000  39.3093500000000  17.2475501005075
-0.292116000000000  38.5694000000000  91.8952819098190
-4.19764000000000  37.2504133333333  126.180495487668
1.27530961538462  41.2542115384615  237.219637267762
-3.64700000000000  40.4734000000000  6.22601788331549e-13
-3.70983333333333  40.4095000000000  1.36949196158669
-3.77925000000000  40.4540750000000  4.40546655566579
-8.50187222222223  37.3327888888889  964.334069593729
-6.87703666666667  37.0378233333333  397.966638769665
-3.70237777777778  40.3868611111111  3.62935043132483
-3.84033469387755  39.0579571428572  62.1590511465560
2.40896363636364  41.5235454545455  21.7058628942069

How can I generate a spatial heatmap given this structure? Thanks in advance.

Answer 1

[bio lim]

I think the following is what you are asking for.

A = [-3.69834356435644  40.3692049504951  55.2800325952722;
-5.75910000000000  41.6759400000000  278.508909991090;
1.05841800000000  41.6189370000000  21.5032056211029;
-0.436050000000000  39.3093500000000  17.2475501005075;
-0.292116000000000  38.5694000000000  91.8952819098190;
-4.19764000000000  37.2504133333333  126.180495487668;
1.27530961538462  41.2542115384615  237.219637267762;
-3.64700000000000  40.4734000000000  6.22601788331549e-13;
-3.70983333333333  40.4095000000000  1.36949196158669;
-3.77925000000000  40.4540750000000  4.40546655566579;
-8.50187222222223  37.3327888888889  964.334069593729;
-6.87703666666667  37.0378233333333  397.966638769665;
-3.70237777777778  40.3868611111111  3.62935043132483;
-3.84033469387755  39.0579571428572  62.1590511465560;
2.40896363636364  41.5235454545455  21.7058628942069];

 colormap('hot')
 imagesc(A(:,2), A(:,1), A(:,3))
 xlabel('Longitude');
 ylabel('Latitude');
 colorbar

[Emanuele Massaro]

I would need something like this

[bio lim]

N = 1000;
[Xi, Yi] = meshgrid(linspace(37,42,N),linspace(-6.9,2.5,N));

 Ci = griddata(A(:,2), A(:,1), A(:,3), Xi, Yi);
 colormap ('hot')
 imagesc(linspace(37,42,N),linspace(-6.9,2.5,N),Ci);
 xlabel('Longitude');
 ylabel('Latitude');
 colorbar