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How can I save the final output in a matrix without manually save it on the image panel using patch?

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Chen
Chen 2020-5-30
回答： Ameer Hamza 2020-5-30
I have code like this:
x=[0 10 5];
y=[0 0 8.66];
patch(x,y,'white')
set(gca,'Color','k','xticklabel',[],'yticklabel',[])
daspect([1 1 1]);
xlim([-5 15])
ylim([-5 15])
How can I save the final output image in a matrix without manually save it on the popup image panel?
I tried to let 'p = patch(x,y,'white')' but it is not the final pop-up output window. Thanks so much!

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采纳的回答

Ameer Hamza
Ameer Hamza 2020-5-30
Use getframe() to get the graphics as an image matrix
x=[0 10 5];
y=[0 0 8.66];
patch(x,y,'white')
set(gca,'Color','k','xticklabel',[],'yticklabel',[])
daspect([1 1 1]);
xlim([-5 15])
ylim([-5 15])
frame = getframe(gca);
img = frame.cdata;

更多回答（1 个）

Image Analyst
Image Analyst 2020-5-30
Use exportgraphics() (introduced in r2020a). For example:
exportgraphics(gca,'myplot.jpg','Resolution',300)

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