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How to covert a geoplot into an mage file in app designer.

19 vues (au cours des 30 derniers jours)
Vishal Tripathi
Vishal Tripathi le 7 Mar 2021
Commenté : Vishal Tripathi le 10 Mar 2021
I'm designing a application for my project. I have used following code to geoplot a datafile given below. I just want to take screenshot or export the geoplot into an image file.
latitude = data.Var9;
longitude = data.Var10;
gx = geoaxes(app.GEOGRAPHICALMAPTab); %GEOGRAPHICALMAPTab is a tab used as a geoplot container(where Geoplot is shown)
geoplot(gx,latitude,longitude,'LineWidth',2,'Color','green');
text(gx,latitude(1,1),longitude(1,1),'START',"FontName",'Palatino','FontSize',18)
text(gx,latitude(end,1),longitude(end,1),'END','FontName','Palatino','FontSize',18)
geobasemap streets
I have already used functions like getframe,copyUIAxes etc but none is working. Can anyone please help me ??
  6 commentaires
Vishal Tripathi
Vishal Tripathi le 10 Mar 2021
gx and mentioned before is a handle.
gx = geoaxes(app.GEOGRAPHICALMAPTab);
I looked into the documents of the copyobj and once i used the previous code, i was getting not enough input error but I figured aout the correct code later
copyobj(gx,app.GEOGRAPHICALMAPTab) \\ by adding the parent name.
Adam Danz
Adam Danz le 10 Mar 2021
Ah, ok, gx is a GeographicAxes handle, I see that now.
Looks like you hit the target! You were missing the parent input. However, this doesn't address your original question on how to save an image of the figure. Are you still stuck on that? Matlab recently released a few functions that do just that but other methods are needed in older releases.

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Monisha Nalluru
Monisha Nalluru le 10 Mar 2021
Hi Vishal,
From my understanding you want to take the existng plot and save it as an image
This can be done by using print method of matlab which allows you to save the image in required format,
Here is an example
latSeattle = 47.62;
lonSeattle = -122.33;
latAnchorage = 61.20;
lonAnchorage = -149.9;
geoplot([latSeattle latAnchorage],[lonSeattle lonAnchorage],'g-*')
geolimits([45 62],[-149 -123])
print('geoimg','-dpng'); % save a file geoimg.png
imshow(imread("geoimg.png")) % display geoimg.png
Hope this helps!
  2 commentaires
Vishal Tripathi
Vishal Tripathi le 10 Mar 2021
I'm getting errors like print doesn't work in Appdesigner but i solved my problem using exportgraphics function
for more info visit:
https://in.mathworks.com/help/matlab/ref/exportgraphics.html
Vishal Tripathi
Vishal Tripathi le 10 Mar 2021
Thank you for your support @Adam Danz and @Monisha Nalluru

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