Select zone of the plot
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Miguel Albuquerque
el 26 de Jul. de 2022
Comentada: Star Strider
el 27 de Jul. de 2022
Hey guys, thanks in advance,
Is there a way of representing azimuth3, only the red zones, which means, selecting only the most red zones of the plot?
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Star Strider
el 26 de Jul. de 2022
Editada: Star Strider
el 26 de Jul. de 2022
This can certainly be done, however it is definitely not trivial!
Try this —
LD = load('Miguel Albuquerque azimuth3.mat');
azimuth3 = LD.azimuth3;
figure
[M,C] = contourf(azimuth3,25, 'EdgeColor','none');
Levels = C.LevelList
for k = 1:numel(Levels)
idx = find(M(1,:) == Levels(k));
ValidV = rem(M(2,idx),1) == 0;
StartIdx{k,:} = idx(ValidV);
VLen{k,:} = M(2,StartIdx{k});
end
colormap(turbo)
title('Original Filled Contour Plot')
v = axis(gca); % Get Original Axis Limits
[HiLvls,idx] = maxk(Levels,9); % Choose 9 Highest Contours
idx = flip(idx);
cm = turbo(numel(Levels)); % Define 'colormap' For This Plot
figure
hold on
for k = 1:numel(idx)
k1 = idx(k);
for k2 = 1:numel(k1)
idxv = StartIdx{k1}(k2)+1 : StartIdx{k1}(k2)+VLen{k1}(k2); % Index For Contour 'k1'
xv = M(1,idxv);
yv = M(2,idxv);
patch(xv, yv, cm(k1,:), 'EdgeColor','none') % Fill & Colour The Chosen Contours
end
end
hold off
axis(v)
title('Highest Level Contours')
Make appropriate changes to work as you want it to with your data.
EDIT — (26 Jul 2022 at 21:04)
Increased the number of contours to be plotted in the second plot.
.
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