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Getting borders to appear on a map
Your call to geoshow isn't showing land areas west of -180 degrees because its working in an ordinary axes. Try setting up a map...

presque 12 ans il y a | 2

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Why is the mapping toolbox not drawing this line?
As indicated in my earlier comment, the answer is to use the geoshow function. Its method for clipping lines is far more sophist...

environ 12 ans il y a | 2

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Contourm, geoshow, and layering issues (R2012b) change
The platform-specific nature of this problem makes me think about graphics rendering. I can reproduce the problem in R2013a on m...

environ 12 ans il y a | 0

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Contourm issue with polar stereographic map projection
There are two ways to specify geometry in contourfm, like this: contourfm(lat,lon,Z,...) as you have done, where lat and...

plus de 12 ans il y a | 0

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

plus de 12 ans il y a | 0

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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...

plus de 13 ans il y a | 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...

plus de 13 ans il y a | 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...

plus de 13 ans il y a | 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. ...

plus de 13 ans il y a | 3

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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...

plus de 13 ans il y a | 1

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

plus de 13 ans il y a | 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.

plus de 13 ans il y a | 0

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

plus de 13 ans il y a | 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...

plus de 13 ans il y a | 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...

plus de 13 ans il y a | 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...

plus de 13 ans il y a | 0

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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...

presque 14 ans il y a | 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 ...

presque 14 ans il y a | 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...

environ 14 ans il y a | 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...

environ 14 ans il y a | 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: ...

environ 14 ans il y a | 1

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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 ...

environ 14 ans il y a | 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...

environ 14 ans il y a | 0

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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...

environ 14 ans il y a | 1

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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...

plus de 14 ans il y a | 0

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

plus de 14 ans il y a | 0