Chad Greene

NASA Jet Propulsion Laboratory

Last seen: Today | Attivo dal 2012

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I am interested in the floating ice shelves that fringe East Antarctica. My current work is toward building a better understanding of how climatology influences glaciology via oceanography. I also have some experience with the acoustics of gas hydrates and oceanic methane bubbles. Homepage: www.chadagreene.com Professional Interests: Antarctic ice shelf dynamics, sea level rise, underwater acoustics, methane hydrates Note: I will not do your homework for you and I will not respond to emails directing me to a question posed on the Answers forum.

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How to change figure size?
The paper size options are for printing, so they don’t change the size of the figure. The ‘Position’ property sets the size of ...

9 giorni fa | 37

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plot_basemap
Plot a basemap image in Matlab

5 mesi fa | 4 download |

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Labeling image region properties
I have a binary image, and I'd like to create a corresponding mask that contains a value in each pixel for the area of each regi...

9 mesi fa | 1 risposta | 0

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External monitor crashes MATLAB R2023b
Using OSX 13.6.3, whenever I connect or disconnect my external monitor, all text in the MATLAB editor goes blank and I get a spi...

11 mesi fa | 2 risposte | 0

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Defining the central longitude in Arctic borders in the Arctic Mapping Tool
Try this. Into the Command Window type open arcticborders Then find the line where it loads the border data. Try adding this...

12 mesi fa | 0

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How to download multiple files from a website
This question has been asked many times in various ways on this forum, but I've never found a simple answer to this very simple ...

quasi un anno fa | 1 risposta | 0

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How to plot locations on a polar stereographic map?
With Antarctic Mapping Tools, use plotps. Use plotpsn in the Arctic Mapping toolbox for northern hemisphere.

circa un anno fa | 3

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Tide Model Driver (TMD) version 3.0
Tide Model Driver for MATLAB, version 3.0

oltre un anno fa | 56 download |

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R2022b does not start after Update 3
Today I opened R2022b on my Mac OS 12.6.1, and after working for a few minutes I noticed that Update 3 is available for this MAT...

quasi 2 anni fa | 2 risposte | 0

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Lambert azimuthal equal-area projections
MATLAB functions for LAEA projections.

quasi 2 anni fa | 2 download |

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Opening multiple instances of MATLAB causes endless folder access errors
Whenever I try to open two instances of MATLAB, I run into an endless loop of error windows. For example, if I'm running 2022b a...

circa 2 anni fa | 1 risposta | 1

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Text in editor window suddenly vanishes in R2022b.
I've run into lots of strange behavior using R2022a and R2022b on my MacOS Monterey 12.6.1, and until now it's been mostly just ...

circa 2 anni fa | 1 risposta | 0

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crameri perceptually uniform scientific colormaps
Perceptually uniform scientific colormaps from Fabio Crameri.

circa 2 anni fa | 97 download |

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Missing text objects when exporting graphics in R2022b
Since upgrading to R2022b, I've repeatedly run into an inssue in which text objects, legends, titles, etc do not get printed, or...

circa 2 anni fa | 1 risposta | 1

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Changing the orientation Arctic Projection maps
I typically bypass the Matlab Mapping Toolbox for stereographic projections, because the functions are kind of clunky and slow. ...

circa 2 anni fa | 0

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Extract coordinates from a geopolyshape
@Sergey Kostrukov I think I found a working solution. The m_shaperead function in M_Map can handle PolygonZ and PolyLineZ data. ...

circa 2 anni fa | 0

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Duplicating an entire vector
You almost got it. Try repmat(A,[1 3])

circa 2 anni fa | 0

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How to read modern shapefile data
It seems increasingly common these days that data providers are saving shapefile data as PolygonZ or PolyLineZ data, rather than...

circa 2 anni fa | 2 risposte | 1

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Glitchy Command Window behavior in R2022a and R2022b
I've got a MacOS 12.6.1, and I've noticed since I upgraded to R2022a that the cursor in the Command Window no longer behaves pre...

circa 2 anni fa | 0 risposte | 2

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parpool failed to start
I'm trying to start a parallel pool in Matlab 2020b, but the pool repeatedly fails to start. Can anyone offer any guidance? Here...

circa 2 anni fa | 0 risposte | 0

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calling a built-in private function
I'm using stream2 for a big problem that takes about a week to run on a high-performance computer. The profiler tells me that mo...

circa 2 anni fa | 1 risposta | 0

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Mapshow : attribute colors to polygons according to ID
Try this. Define a list of colors, and plot each gridcode region seperately. climate = shaperead('c1976_2000.shp'); % List...

circa 2 anni fa | 0

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Is it possible to define colormap ranges or merge colormaps?
Try concatenating colormaps, like this. Below I'm using my cmocean colormaps, which are available on File Exchange, but you can ...

circa 2 anni fa | 1

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stream2 fails if coordinates are single precision?
I've encountered a strange behavior with stream2 which fails silently if any input coordinates are single precision. It looks li...

circa 2 anni fa | 1 risposta | 0

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Boundary/polygon around coastline of Greenland
I've just added a 'gl' option to plot Greenland's grounding line using BedMachine's mask. https://github.com/chadagreene/BedMach...

oltre 2 anni fa | 1

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Unfamiliar .D0 number syntax
I've inherited some Matlab code that was previously adapted from Fortran, and the Matlab code has a syntax I'm not familiar with...

oltre 2 anni fa | 1 risposta | 0

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Arctic Mapping Tools
Or: Antarctic Mapping Tools for Matlab, Greenland Edition

quasi 3 anni fa | 18 download |

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XData and YData from area chart
I'm using the area function to create a stacked area chart of hundreds of time series. After plotting my data via h = area(t,Y...

circa 3 anni fa | 1 risposta | 0

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Can anyone help me with the a tentative guide on how to average across the two dimensions of a 3d array, and loop it across 86 timesteps?
If you have a temperature data cube T whose dimensions correspond to lat x lon x time, the simplest way to get an 86x1 array of ...

circa 3 anni fa | 1

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Better “centerpoint” than centroid of a concave polygon
I added a polycenter function to do exactly what you need in the Climate Data Toolbox for Matlab. If you have a shapefile, the...

circa 3 anni fa | 0

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Chad Greene

NASA Jet Propulsion Laboratory

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