How to create a graph with 3 y axis

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Rebecca Ellis 2019-1-27

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评论： dpb 2019-1-29

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Hello,

I been trying to create a graph with 3 y axis and centralise the zero in the middel.

figure
yyaxis left
quiver(EC_time', zeros(size(x_velocity)),x_velocity,y_velocity);
ylim([-0.05 0.05])
axis equal
datetick('x')
axis equal 
yyaxis right
bar(EC_time, Mayflux);
ylim([-40 40]);
axis equal
hold on 
plot(EC_time, oxygen_may1, 'o-');
hold all 
plot(EC_time, oxygen_may1, 'ro-');
plot(EC_time, oxygen_may_optode1, 'go-');
ylim([245 248]);

Could some one give me advise on this? I was trying addaxis but it was not working.

figure
plot(advN.harmonic_fit.thf, Umagadvh)
addaxis(EC_time, Mayflux)
% hold on 
addaxis(advN.harmonic_fit.thf, udiradvh);
addaxis(EC_time, oxygen_may1, 'ro-')
datetick 'x' 

Thank you.

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dpb 2019-1-27

编辑：dpb 2019-1-27

在 MATLAB Online 中打开

Looks like from your comment you misspelled the 'ColorOrder' property by having an extra trailing 'er'.

I would guess Oliver Ferdinand's patch is highly important in general, too.

(Somebody really ought to post a patched version instead of leaving this as is, btw!)

It appears the user interface isn't such that the function returns the axes handle(s) directly; the comments indicate they were stuffed into 'UserData' of the original axis object and you've got to go spelunking therein to find them.

Or, if you add just one at a time, you should be able to retrieve it for the newest one as

hAxNew=gca; % retrieve lastest axes created/presumes addaxes leaves current

keeping this as an array of handles if you add more than one, of course, so you don't overwrite the previous.

With that handle, you can do anything to that axes you desire including using it as the target into which to plot with any plotting function that recognizes an axes handle as the target axes, or, if it's a function that doesn't, making it the current axes presuming the function plots into current axes.

If it's one of the real specialty plots, some of them have hardcoded figure or the like that forcefully creates a new axes "no matter what!".

Rebecca Ellis 2019-1-29

在 MATLAB Online 中打开

My attempt with addaxis
figure 
yyaxis left
quiver(EC_time', zeros(size(x_velocity)),x_velocity,y_velocity);
ylim([-0.05 0.05])
 xlim([736838.387690925 736839.514656334])
datetick('x')
% axis equal 
yyaxis right
bar(EC_time, Mayflux);
ylim([-40 40]);
 xlim([736838.387690925 736839.514656334])
% axis equal
grid on 
addaxis(plot(EC_time, oxygen_may3));
hold on 
plot(EC_time, oxygen_may_optode1, 'go-');
datetick('x')
grid on 
ylim([240 254]);
xlim([736838.387690925 736839.514656334])

but a need a comination of there graphs

figure
yyaxis left
quiver(EC_time', zeros(size(North_red)), East_red, North_red);
ylim([-0.05 0.05])
axis equal
datetick('x')
axis equal 
yyaxis right
hold all 
plot(EC_time, oxygen_may3, 'ro-');
plot(EC_time, oxygen_may_optode1, 'go-');
ylim([240 254]);
axis equal
title('ADV')
grid on 
figure
yyaxis left
quiver(EC_time', zeros(size(North_red)), East_red, North_red);
axis equal
ylim([-0.05 0.05])
axis equal
datetick('x')
yyaxis right
bar(EC_time, Mayflux);
ylim([-40 40]);
axis equal
grid on 
title('ADV / flux')
datetick('x')

Thank you for your advise, sorry I dont really understand everything you have written. An example would be great as I have many other graphs to make with 3 yaxis.

dpb 2019-1-29

I've got pressing deadlines to take too much time away from at present to invest a great deal of time at this instant, sorry...

I'd again make two suggestions--

1) Convert your time data to datetime from the deprecated datenum and you may just find that things work better as there is an overloaded plot function that will automagically get called and you can get rid of datetick

2) If that doesn't bring joy, download and look at the other FEX submission link I showed and see if its application of the third axis will give you a set of axes that you can live. It's much less complicated a solution and you should be able to modify it at will.

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