Plotting polygon on geoglobe

Question

Mathieu Vinette 2021-10-27

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1573143-plotting-polygon-on-geoglobe

回答： Milan Bansal 2024-4-29

kmlPoly.mat

How can someone plot a polygon with fill color on a geoglobe plot. Currently, I'm able to plot lines using the following code.

uif = uifigure;

g = geoglobe(uif,'Basemap','satellite','NextPlot','add');

for x=1:length(kmlPoly)

geoplot3(g,kmlPoly(x).Lat,kmlPoly(x).Lon,[],'r');

end

g.Terrain = 'none';

The kmlPoly(attached below) is a Matlab Structure that contains only the Polygons from a .KMZ file that was converterted to a structure. https://www.mathworks.com/matlabcentral/fileexchange/70450-kmz2struct

The above code produces this:

But I'm looking to get something like this: (The image below is from Google Earth)

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Milan Bansal 2024-4-29

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1573143-plotting-polygon-on-geoglobe#answer_1449521

在 MATLAB Online 中打开

Hi Mathieu Vinette,

I understand you are able to get the boundary of the polygons on geoglobe, but you wish to get the filled shapes with different colors instead, as shown in the Google Earth image.

To fill the polygons on a geoglobe in MATLAB, it is not possible to directly use a function like fill or geofill because these are not directly compatible with the geoglobe. However, the color information is given in the "kmlPoly" structure for each polygon. Plot the polygons with their respective colors using geoplot3 as shown in the code snippet below:

uif = uifigure;
g = geoglobe(uif,'Basemap','satellite','NextPlot','add');
for x=1:length(kmlPoly)
    geoplot3(g,kmlPoly(x).Lat,kmlPoly(x).Lon,[], Color = kmlPoly(x).Color); % Getting the colour from kmlPoly
end
g.Terrain = 'none';