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Rob Comer


Last seen: 4 Tage ago

MathWorks

51 total contributions since 2011

Rob Comer is the Mapping Toolbox(TM) development lead at The MathWorks, Inc.

Professional Interests: software engineering, geodesy and geophysics, photogrammetry and image processing, geographic information systems

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Answered
load coast command not executing in 2018a, pls. suggest an alternative
coast.mat is no longer available in Mapping Toolbox. Please use its replacement, coastlines.mat, instead. The content is the sam...

4 Tage ago | 0

Answered
display of natural earth shapefile as polygon
Hi Hanna, Try clipping the ocean polygon like this before calling geoshow: [oceanLat,oceanLon] = maptriml(oceanLat,oceanLon,[-...

4 Monate ago | 1

| accepted

Answered
polybool error because of invalid polygon
Errors like these can easily arise from small defects in the topology of the input polygons. The MATLAB polyshape class (with me...

mehr als ein Jahr ago | 0

Answered
Lambert vs. Lambert Standard
Typically, one would use lambertstd, especially if unprojecting an external dataset from x-y (easting-northing) to latitude-long...

mehr als ein Jahr ago | 0

Answered
Spatially thin out trajectory of 3D points
You'll have to write your own function, but the ecefOffset function in Mapping Toolbox can help. Try something like this (assumi...

mehr als ein Jahr ago | 0

Answered
Use custom basemap for geobubble function
With Mapping Toolbox and MATLAB R2018b or later, you can use the addCustomBasemap function with geobubble (and geoaxes).

mehr als ein Jahr ago | 0

| accepted

Answered
MATLAB: save geospatial polygons in a *.kml file
With Mapping Toolbox and MATLAB R2016a or later, you can use the kmlwritepolygon function.

mehr als ein Jahr ago | 0

Submitted


fillfigure
Reset axes position and limits to fill figure.

fast 5 Jahre ago | 1 download |

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Submitted


Earth Observing System Data Visualization
Read Earth Observing System (EOS) data products in HDF format and visualize them in MATLAB(R).

fast 5 Jahre ago | 6 downloads |

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Submitted


colorscale
Add a color scale bar using part of the figure's colormap.

fast 5 Jahre ago | 7 downloads |

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Answered
is it possible to import GPS data in DDD format and create a map with the points plotted?
You could start with the readtable function.

etwa 5 Jahre ago | 0

Answered
Modify Labels on Contour Plots
R2014b and R2015a users can apply one of the workarounds available here: <http://www.mathworks.com/support/bugreports/1114747...

fast 6 Jahre ago | 2

Answered
Using pcolorm with irregular model grids
Hi Andrew, With an irregular grid, for which a full latitude-longitude geolocation mesh is needed, I think it's always approp...

fast 6 Jahre ago | 0

Answered
How does the contour plot with R2014b work?
You can avoid the problem with the clabel function, which is present in both R2014b and R2015a, by using one of the workarounds ...

etwa 6 Jahre ago | 0

Answered
Exported figure size is huge and specified font of the label is ignored in 2014b
Regarding part 1 of this question, you can control the contour label FontName and other label text properties in R2014b or R2015...

etwa 6 Jahre ago | 0

Answered
How to alter contour label properties?
If you download and install one of the workarounds available here for R2014b or R2015a: <http://www.mathworks.com/support/bugrep...

etwa 6 Jahre ago | 1

| accepted

Answered
Fontsize in clabel with rotated labels 2014b
If you download and install one of the workarounds available here for R2014b or R2015a: <http://www.mathworks.com/support/bugrep...

etwa 6 Jahre ago | 0

Answered
How do you format rotated text from clabel in MATLAB 2014b?
You can avoid this problem, which is present in both R2014b and R2015a, using one of the workarounds available here: <http://www...

etwa 6 Jahre ago | 0

Answered
Problems with wrapTo180, creates lines on map
Instead of wrapping your longitudes, try using the maptriml function with latlim = [-90 90] and lonlim = [-180 180]. Because the...

mehr als 6 Jahre ago | 0

Answered
How to find the border points for a set of latitude and longitude coordinates
With such a small data extent, you can probably ignore the wrapping of longitude around the earth when computing latitude and lo...

mehr als 6 Jahre ago | 0

Answered
How to plot a shapefile on top of digital elevation model using mapshow (or other)
If you only wish to view your map in 2-D, you can plot the terrain raster in the z == 0 plane, like this: mapshow(zeros(siz...

fast 7 Jahre ago | 1

| accepted

Answered
Problem reading ESRI Grid format
There are two different ESRI (Arc) Grid formats: the proprietary binary format, which is what you have, and the publicly documen...

fast 7 Jahre ago | 0

| accepted

Answered
How to use additional files like e.g. gshhs_h.b, WORLDDATAMAP, etc.?
You should first check that the mapdata folder is on your MATLAB path. You could then try: which gshhs_h.zip You may need ...

etwa 7 Jahre ago | 0

| accepted

Answered
FaceAlpha of surf plot takes the first row and column twice
This variation does what I think you're hoping for: [X,Y] = meshgrid(1:5,1:5); Z = ones(5,5); C = ones(4,4); A = z...

etwa 7 Jahre ago | 0

| accepted

Answered
Filling a polygon using an index and colormap
The key to making many thematic maps is to use the *makesymbolspec* function in combination with *geoshow* or *mapshow* . In thi...

mehr als 7 Jahre ago | 3

| accepted

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...

mehr als 7 Jahre 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...

fast 8 Jahre 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...

etwa 8 Jahre 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...

mehr als 8 Jahre 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...

mehr als 8 Jahre ago | 0

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