how to extract data from Matlab figure with stacked lines? (2024)

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Shaymaa Tahhan on 22 Feb 2024

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Answered: Voss on 22 Feb 2024

  • intensity with lines.fig

Please I have tried alot with this code

open('spectrum.fig');

a = get(gca,'Children');

xdata = get(a, 'XData');

ydata = get(a, 'YData');

xdata1 = get(a(2), 'XData');

ydata1 = get(a(2), 'YData');

but it doesnt work correctly I just get the last line data?!

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Voss on 22 Feb 2024

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  • intensity with lines.fig

f = openfig('intensity with lines.fig');

how to extract data from Matlab figure with stacked lines? (3)

lines = findall(f,'Type','line')

lines =

10×1 Line array: Line Line Line Line Line Line Line Line Line Line

xdata = get(lines,'XData'); % xdata: 10x1 cell array, each cell contains 1 line's XData

ydata = get(lines,'YData'); % ydata: 10x1 cell array, each cell contains 1 line's YData

If you know that the lines XData/YData are all row vectors of the same size (which they are in this case), it may be convenienet to concatentate them into a single matrix:

xdata = vertcat(xdata{:})

xdata = 10×8192

1.0e-11 * -0.6250 -0.6248 -0.6247 -0.6245 -0.6244 -0.6242 -0.6241 -0.6239 -0.6238 -0.6236 -0.6235 -0.6233 -0.6232 -0.6230 -0.6229 -0.6227 -0.6226 -0.6224 -0.6223 -0.6221 -0.6219 -0.6218 -0.6216 -0.6215 -0.6213 -0.6212 -0.6210 -0.6209 -0.6207 -0.6206 -0.6250 -0.6248 -0.6247 -0.6245 -0.6244 -0.6242 -0.6241 -0.6239 -0.6238 -0.6236 -0.6235 -0.6233 -0.6232 -0.6230 -0.6229 -0.6227 -0.6226 -0.6224 -0.6223 -0.6221 -0.6219 -0.6218 -0.6216 -0.6215 -0.6213 -0.6212 -0.6210 -0.6209 -0.6207 -0.6206 -0.6250 -0.6248 -0.6247 -0.6245 -0.6244 -0.6242 -0.6241 -0.6239 -0.6238 -0.6236 -0.6235 -0.6233 -0.6232 -0.6230 -0.6229 -0.6227 -0.6226 -0.6224 -0.6223 -0.6221 -0.6219 -0.6218 -0.6216 -0.6215 -0.6213 -0.6212 -0.6210 -0.6209 -0.6207 -0.6206 -0.6250 -0.6248 -0.6247 -0.6245 -0.6244 -0.6242 -0.6241 -0.6239 -0.6238 -0.6236 -0.6235 -0.6233 -0.6232 -0.6230 -0.6229 -0.6227 -0.6226 -0.6224 -0.6223 -0.6221 -0.6219 -0.6218 -0.6216 -0.6215 -0.6213 -0.6212 -0.6210 -0.6209 -0.6207 -0.6206 -0.6250 -0.6248 -0.6247 -0.6245 -0.6244 -0.6242 -0.6241 -0.6239 -0.6238 -0.6236 -0.6235 -0.6233 -0.6232 -0.6230 -0.6229 -0.6227 -0.6226 -0.6224 -0.6223 -0.6221 -0.6219 -0.6218 -0.6216 -0.6215 -0.6213 -0.6212 -0.6210 -0.6209 -0.6207 -0.6206 -0.6250 -0.6248 -0.6247 -0.6245 -0.6244 -0.6242 -0.6241 -0.6239 -0.6238 -0.6236 -0.6235 -0.6233 -0.6232 -0.6230 -0.6229 -0.6227 -0.6226 -0.6224 -0.6223 -0.6221 -0.6219 -0.6218 -0.6216 -0.6215 -0.6213 -0.6212 -0.6210 -0.6209 -0.6207 -0.6206 -0.6250 -0.6248 -0.6247 -0.6245 -0.6244 -0.6242 -0.6241 -0.6239 -0.6238 -0.6236 -0.6235 -0.6233 -0.6232 -0.6230 -0.6229 -0.6227 -0.6226 -0.6224 -0.6223 -0.6221 -0.6219 -0.6218 -0.6216 -0.6215 -0.6213 -0.6212 -0.6210 -0.6209 -0.6207 -0.6206 -0.6250 -0.6248 -0.6247 -0.6245 -0.6244 -0.6242 -0.6241 -0.6239 -0.6238 -0.6236 -0.6235 -0.6233 -0.6232 -0.6230 -0.6229 -0.6227 -0.6226 -0.6224 -0.6223 -0.6221 -0.6219 -0.6218 -0.6216 -0.6215 -0.6213 -0.6212 -0.6210 -0.6209 -0.6207 -0.6206 -0.6250 -0.6248 -0.6247 -0.6245 -0.6244 -0.6242 -0.6241 -0.6239 -0.6238 -0.6236 -0.6235 -0.6233 -0.6232 -0.6230 -0.6229 -0.6227 -0.6226 -0.6224 -0.6223 -0.6221 -0.6219 -0.6218 -0.6216 -0.6215 -0.6213 -0.6212 -0.6210 -0.6209 -0.6207 -0.6206 -0.6250 -0.6248 -0.6247 -0.6245 -0.6244 -0.6242 -0.6241 -0.6239 -0.6238 -0.6236 -0.6235 -0.6233 -0.6232 -0.6230 -0.6229 -0.6227 -0.6226 -0.6224 -0.6223 -0.6221 -0.6219 -0.6218 -0.6216 -0.6215 -0.6213 -0.6212 -0.6210 -0.6209 -0.6207 -0.6206

ydata = vertcat(ydata{:})

ydata = 10×8192

1.0e+00 * 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000 0.0000

so that xdata(1,:) is the first line's XData, xdata(2,:) is the second line's XData, etc., etc.

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how to extract data from Matlab figure with stacked lines? (4)

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how to extract data from Matlab figure with stacked lines? (2024)

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To save results, select the result in the Test Manager, in the Results and Artifacts pane, and click Export on the toolstrip.
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Feb 19, 2018

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