Answered

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...

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...

9 years ago | 2

| accepted

Answered

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...

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...

9 years ago | 2

| accepted

Answered

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...

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...

9 years ago | 0

| accepted

Answered

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...

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...

9 years ago | 0

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...

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...

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...

10 years ago | 0

Answered

.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...

.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...

10 years ago | 0

Answered

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...

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...

10 years ago | 0

Answered

Geotiffwrite without compression

You almost have it. As the error (and help) indicate, you need to follow 'TiffTags' with a structure when calling geotiffwrite. ...

Geotiffwrite without compression

You almost have it. As the error (and help) indicate, you need to follow 'TiffTags' with a structure when calling geotiffwrite. ...

10 years ago | 2

| accepted

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...

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...

10 years ago | 1

| accepted

Answered

projection of data with given lon,lat

If you have axesm, that means you have Mapping Toolbox, so try the scatterm function.

projection of data with given lon,lat

If you have axesm, that means you have Mapping Toolbox, so try the scatterm function.

10 years ago | 0

Answered

Export to shape file or other vector format

There's <http://www.mathworks.com/help/toolbox/map/ref/shapewrite.html shapewrite> in Mapping Toolbox.

Export to shape file or other vector format

There's <http://www.mathworks.com/help/toolbox/map/ref/shapewrite.html shapewrite> in Mapping Toolbox.

10 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.

path elevation profile

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

10 years ago | 0

Answered

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...

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...

10 years ago | 0

Answered

worldmap not working

Relative to your MATLAB root directory, the fromDegrees function should be located in toolbox/shared/maputils. This is true in a...

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

Answered

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...

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...

11 years ago | 0

| accepted

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...

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...

11 years ago | 1

Answered

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 ...

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 ...

11 years ago | 1

Answered

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...

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...

11 years ago | 0

Answered

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...

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...

11 years ago | 2

Answered

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: ...

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: ...

11 years ago | 1

| accepted

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 ...

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 ...

11 years ago | 1

Answered

Export mapstruct to KML

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

Export mapstruct to KML

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

11 years ago | 0

| accepted

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...

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...

11 years ago | 1

Answered

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...

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...

11 years ago | 0

| accepted

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.

getworldfilename uses

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

11 years ago | 0