How to put a geographical map over 2D data in Matlab












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have two vectors of sizes 441*1 and 681*1, these go from 70 to -40 and from 45 to -125 respectively. The first is a list of latitudes and the second a list of longitudes. I have also a 681*441 matrix with data. I can plot it with contourf, but I would like to insert a geographical map to make the geographical regions easier to identify.



I have tried using geoshow, but I don't understand well what I have to use as an input there.



Any suggestions on how to plot said map are appreciated.










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    0















    have two vectors of sizes 441*1 and 681*1, these go from 70 to -40 and from 45 to -125 respectively. The first is a list of latitudes and the second a list of longitudes. I have also a 681*441 matrix with data. I can plot it with contourf, but I would like to insert a geographical map to make the geographical regions easier to identify.



    I have tried using geoshow, but I don't understand well what I have to use as an input there.



    Any suggestions on how to plot said map are appreciated.










    share|improve this question



























      0












      0








      0








      have two vectors of sizes 441*1 and 681*1, these go from 70 to -40 and from 45 to -125 respectively. The first is a list of latitudes and the second a list of longitudes. I have also a 681*441 matrix with data. I can plot it with contourf, but I would like to insert a geographical map to make the geographical regions easier to identify.



      I have tried using geoshow, but I don't understand well what I have to use as an input there.



      Any suggestions on how to plot said map are appreciated.










      share|improve this question
















      have two vectors of sizes 441*1 and 681*1, these go from 70 to -40 and from 45 to -125 respectively. The first is a list of latitudes and the second a list of longitudes. I have also a 681*441 matrix with data. I can plot it with contourf, but I would like to insert a geographical map to make the geographical regions easier to identify.



      I have tried using geoshow, but I don't understand well what I have to use as an input there.



      Any suggestions on how to plot said map are appreciated.







      matlab






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      edited Jan 17 at 19:18









      Ahmed Ashour

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      asked Jan 17 at 16:44









      slow_learnerslow_learner

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          I have found out that this can be done just using load coastlines and then plotting (coastlon, coastlat) over the already generated grid. later on, axis can be used to remove the regions in which there is no data avaiable.






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            I have found out that this can be done just using load coastlines and then plotting (coastlon, coastlat) over the already generated grid. later on, axis can be used to remove the regions in which there is no data avaiable.






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              0














              I have found out that this can be done just using load coastlines and then plotting (coastlon, coastlat) over the already generated grid. later on, axis can be used to remove the regions in which there is no data avaiable.






              share|improve this answer


























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                0







                I have found out that this can be done just using load coastlines and then plotting (coastlon, coastlat) over the already generated grid. later on, axis can be used to remove the regions in which there is no data avaiable.






                share|improve this answer













                I have found out that this can be done just using load coastlines and then plotting (coastlon, coastlat) over the already generated grid. later on, axis can be used to remove the regions in which there is no data avaiable.







                share|improve this answer












                share|improve this answer



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                answered Jan 23 at 15:30









                slow_learnerslow_learner

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