MATLAB: Projection of data into map file

gpshot-spotsmapMATLAB

Hello,

I am planning to extract hotspots information of a city. I have following input paramaters:

Latitude = (1×316)double in xyz-coordinates

Longitude = (1×316) double in xyz-Coordinates

Besides this, i have a map of that city in .png file format with known Lat,Long coordinates. Now, i need to project my input data of (Latitude, Longitude) along with this map of city.

Any ideas, Suggestions? Thanks!

Best Answer

data = imread('your image') ;
image([min(x) max(x)], [min(y) max(y)],data);
hold on
%%now plot your data

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MATLAB: Writing multiple Lat, lon points to KML File !

The syntax for kmlwrite is:

kmlwriteline(filename,latitude,longitude,altitude);

The fourth variable passed is considered as altitude data. In your case you can create an array with multiple lat and lon points and send that array to the function.

Try this:

lat_points = [lat1;lat2;lat3;lat4];
lon_points = [lon1;lon2;lon3;lon4];
kmlwriteline(filename,lat_points,lon_points);

Hope this helps.

MATLAB: I am trying to use pcolor for a graph and matrixes all have to be the same. How to reshape it

Let lon be your 3600*1, and lat be 1*2683 arrays. And the data be H 3600*2683.

pcolor(lon,lat,H') ;
shading interp

should work.

Best Answer

Related Solutions

MATLAB: Writing multiple Lat, lon points to KML File !

MATLAB: I am trying to use pcolor for a graph and matrixes all have to be the same. How to reshape it

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