How to export geoglobe() plots?

Question

leka0024 2024-1-4

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链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2066551-how-to-export-geoglobe-plots

评论： leka0024 2024-4-4

Example code:

uif = uifigure;
g = geoglobe(uif,"Basemap","landcover");

Have then tried (first line was part of an attempt to make an animation):

currentFrame = getframe(g);
exportapp(uif,[pwd '\test.png']);

and both fail with errors:

Error using matlab.ui.internal.FigureImageCaptureService.exportToPngBase64
Export unsuccessful
Error using exportapp
Export unsuccessful

Then tried:

exportgraphics(uif,[pwd '\test.png']);

and this does create the picture file, but it's just a blank gray box.

The following warning showed:

Warning: UI components will not be included in the output. To include UI components, use the 'exportapp' function. 

How can the geoglobe plot be exported to picture or video file?

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leka0024 2024-1-5

@Cris LaPierre invoking your name here since you answered another question about geoglobe() a couple weeks ago. Thanks for any help!

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Answer 1

Cris LaPierre 2024-1-5

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/2066551-how-to-export-geoglobe-plots#answer_1384201

编辑：Cris LaPierre 2024-1-5

Based on this post, I would have expected exportgraphics or exportapp to work. However, geoglobe is a little more than just a uifigure (html component for the globe) so it does not currently appear to be supported by the exportgraphics or exportapp functions. I have submitted an internal report.

I did come across this post, but the solution there (saveas to pdf) just produces a blank pdf, so not a viable solution either.

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leka0024 2024-1-5

@Cris LaPierre this tool has such awesome potential, especially if the plots it creates can become part of an animation, for displaying the orbits of celestial objects around the Earth (obviously Low Earth Orbit being the most relevant, since you can still see the Earth in great detail at those altitudes, but even GPS altitudes as well).

It would be great if another chunk of effort was put into this function to add the following, which would be massive improvements:

add the ability to plot markers at positions relative to the so-called "ECI" frame, this is a coordinate frame at the center of the Earth that does not rotate. You can instantly see why that is very helpful for plotting orbits, especially over time. With lat/lon/alt positioning, it is relative to the so-called "ECEF" frame which is fixed to the Earth and rotates, so the time-varying "track" of the orbits will start shifting over the globe
add the ability to control the rotation of the Earth with respect to keeping the camera position fixed. This essentially adds the ability to create animations with a fixed (in space, relative to the center of the Earth) camera, where the Earth correctly rotates in the animation timeframe and corresponding the orbiting objects stay on their correct orbital paths in the animation timeframe.

Thank you!

ZBMedina 2024-4-4

Any updates on a solution to save the figure with geoglobe and plot 3?

leka0024 2024-4-4

By the way @ZBMedina, if you're interested in geoglobe to do plotting of satellites (as I was) and if you have access to the Aerospace Toolbox, then https://www.mathworks.com/help/aerotbx/ug/satellitescenario.html is an absolutely awesome tool that solved everything I was interested in doing.

Although I don't believe I further investigated if it could export graphics since I did not need to make an animation at all as it has a full motion player within the window/tool. My guess is it has the same issue there. Just an aside FYI

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