Answered
Creating DEM in matlab
You could start with the resources listed here: <http://www.mathworks.com/help/map/finding-geospatial-data.html> Check the...

9 years ago | 0

Answered
Mapping toolbox: plotm strange behavior
Try using the newer geoshow function instead of plotm. All the lines are displayed if I replace plotm(lat,lon,'-k') with...

9 years ago | 0

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.shp and .xyz files mapped with geoshow
DisplayType 'contour' is for use with data grids only, but it seems that you have a line shapefile. You can plot the lines from...

9 years ago | 0

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continuous contours in sphere map
I think you can get griddata to approximate the spherical topology by replicating some of your scattered input points before cal...

9 years ago | 0

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Geotiffwrite without compression
You almost have it. As the error (and help) indicate, you need to follow 'TiffTags' with a structure when calling geotiffwrite. ...

9 years ago | 2

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Answered
Using USGS DEMs in Mapping Toolbox
Try downloading your data sets in GeoTIFF format, then use geotiffread. It's not limited to images; it can be used for DEMs as w...

9 years ago | 1

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Answered
projection of data with given lon,lat
If you have axesm, that means you have Mapping Toolbox, so try the scatterm function.

9 years ago | 0

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Export to shape file or other vector format
There's <http://www.mathworks.com/help/toolbox/map/ref/shapewrite.html shapewrite> in Mapping Toolbox.

9 years ago | 0

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Answered
path elevation profile
And there's <http://www.mathworks.com/help/toolbox/map/ref/mapprofile.html mapprofile> in Mapping Toolbox.

9 years ago | 0

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Error with quiverm function
Unlike quiver, quiverm does not automatically expand its first two inputs if they are vectors and the third and fourth inputs ar...

9 years ago | 0

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worldmap not working
Relative to your MATLAB root directory, the fromDegrees function should be located in toolbox/shared/maputils. This is true in a...

10 years ago | 0

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how to increase the resolution of latitude longitude gird ???
To change the default meridian and parallel spacing after creating a map axes with worldmap, set the MLineLocation and PLineLoca...

10 years ago | 0

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Answered
Plot data on a thematic map
You need to use makesymbolspec. Here's a simple example that constructs and applies a symbol spec for a numerical attribute of a...

10 years ago | 1

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How to fill coastline polygon
Mapping Toolbox has two functions for plotting filled polygons: geoshow and mapshow, as well as a low-resolution coastline data ...

10 years ago | 1

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Linearizing a map projection using gps co ordinates
I'm not sure what's meant by earth coordinates -- geodetic latitude, longitude, and height? Or perhaps you're using an earth-cen...

10 years ago | 0

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Exporting Longitude/Latitude vectors into a shapefile in Matlab
Question 1: Just to clarify a little -- a geostruct needs to have Lat and Lon fields in a geographic coordinate system. Their co...

10 years ago | 2

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Must I change the geoid using UTM projection?
In order to work with Google Earth, you should specify the WGS 84 ellipsoid in your code by replacing lines 4 and 5 with: ...

10 years ago | 1

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Answered
Exporting matlab matrices to ESRI ArcMap
ArcGIS can read GeoTIFF format. If you have R2011a, perhaps you could write your ocean current grid to a GeoTIFF file using the ...

10 years ago | 1

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Export mapstruct to KML
Exporting point data to KML is supported by the Mapping Toolbox function kmlwrite: <http://www.mathworks.com/help/toolbox/m...

10 years ago | 0

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Answered
using worldmap in 0 to 360 longitude
Another approach is to follow worldmap world with setm(gca,'Origin',[0 180]) in order to preserve the other worl...

10 years ago | 0

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control makesymbolspec and colorbar color assignment, e.g. linear vs. logarithmic
Consider shifting your data rather than the colormap. You could write a function that maps values < 2 to 1, values in the int...

10 years ago | 0

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Answered
getworldfilename uses
It looks like your goal is to create a new worldfile. You can use the Mapping Toolbox |worldfilewrite| function to do that.

10 years ago | 0