how to fill data in map

sir i want to plot my own data in map.please help me. how will do this thing?thank you in advance.please sir help me.

[José-Luis]

If I was you, I'd stick to GIS for this.

[Kelly Kearney]

Do you have the Mapping Toolbox? If not, I'd recommend m_map.

While GIS might be quicker (if you have access to it), you can make some pretty nice maps in Matlab too... but it takes some work, and you need to gather all the necessary data files.

[devendra]

sir i want to do same thing on matlab.please help me sir.

Answer 1

[Chad Greene]

I disagree with the comments above. If you have the Mapping Toolbox, it's only a couple of lines in Matlab. If you have gridded rainfall data rainfall corresponding to lat and lon matrices, it would look something like this:

worldmap('india') 
pcolorm(lat,lon,rainfall)

You'll have to search the web for shapefiles or coordinates of political borders and rivers, then plot them using geoshow or plotm.

[José-Luis]

That's one expensive if, considering the free GIS tools out there.

For one quick plot, sure, I'd agree with you provided easy access to the data.

For actual analysis then... meh... not so sure.

[devendra]

sir my data size is 20x22x8. sir i am my very confuse. please sir help me

LON = 68.9062

    70.3125

   71.7188

   73.1250

   74.5312

   75.9375

   77.3438

   78.7500

   80.1562

   81.5625

   82.9688

   84.3750

   85.7812

   87.1875

   88.5938

   90.0000

   91.4062

   92.8125

   94.2188

   95.6250

LAT = 7.7042

    9.1050

   10.5058

   11.9065

   13.3073

   14.7081

   16.1088

   17.5096

   18.9104

   20.3111

   21.7119

   23.1127

   24.5134

   25.9142

   27.3150

   28.7157

   30.1165

   31.5172

   32.9180

   34.3188

   35.7195

   37.1203

[Chad Greene]

You'll have to be more specific about what data you have and what your goal is. You've given us some lat/lon coordinates, but you have not told us what they correspond to. Your data may correspond to LATxLONxTIME. You haven't told us much about your third dimension. It might be eight years of annual rainfall totals. Or perhaps the first slice is rainfall, the second slice is average temperature, third is population density--we have no way of knowing unless you tell us.

Note that a 20x22 map will not have the high resolution of the example you attached to your original question.

Also, type ver into the command line--it should tell you if you have the Mapping Toolbox.

LAT = [7.7042;
    9.1050;
   10.505;
   11.9065;
   13.3073;
   14.7081;
   16.1088;
   17.5096;
   18.9104;
   20.3111;
   21.7119;
   23.1127;
   24.5134;
   25.9142;
   27.3150;
   28.7157;
   30.1165;
   31.5172;
   32.9180;
   34.3188;
   35.7195;
   37.1203];
LON = [68.9062;
    70.3125;
   71.7188;
   73.1250;
   74.5312;
   75.9375;
   77.3438;
   78.7500;
   80.1562;
   81.5625;
   82.9688;
   84.3750;
   85.7812;
   87.1875;
   88.5938;
   90.0000;
   91.4062;
   92.8125;
   94.2188;
   95.6250];

SomeData = rand(20,22,8); % <- Some random data 

Slice1 = SomeData(:,:,1); % <- PLOT ONLY THE FIRST SLICE
latgrid = repmat(LAT',20,1);
longrid = repmat(LON,1,22); 

% If you do not have the mapping toolbox, do this: 
pcolor(longrid,latgrid,Slice1)
xlabel('degrees longitude')
ylabel('degrees latitude')
shading flat

% If you do have the mapping toolbox, do this: 
worldmap('india')
pcolorm(latgrid,longrid,Slice1)

[devendra]

sir i have 8 years annual rainfall data and sir my data size is (20x22x8)(lon,lat,time)third dimension is time ...sir i have also another data (20*22*2920)(lon,lat,time) this is daily data.i want to also plot this like this.

sir this code is not working as i want output.sir i want to fill my data in india map like given in question figure please help me sir.