Bar Graph legend & x axis

2021 7 6
2 个回答
回答已采纳
更新时间：2021 7 13
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why the legends are showing same colour if i have 1 than 1 data ? if only 1 data then the legend is showing correctly.
how to assign x as each day of month like 1 to 31st july, i need "x" only as date realtime. not as datetime

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Scott MacKenzie
Scott MacKenzie 2021-7-6
编辑：Scott MacKenzie 2021-7-6

1 个投票

Change line 3 from
t = datetime;
to
t = linspace(datetime('yesterday'), datetime('tomorrow'), length(InspectionPlan));
For plotting, t needs to be the same size as InspectionPlan. The line above achieves this, but ideally you should probably intialize t so each entry is the date/time of the corresponding entry in InspectionPlan.

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Rizwan Khan
Rizwan Khan 2021-7-13
% Inspection Demand vs Inspection Executed Trend
InspectionPlan = thingSpeakRead(1421679, 'Fields', 1, 'Numpoints', 100);
t = linspace(datetime('yesterday'), datetime('tomorrow'), length(InspectionPlan));
w1=.5;
hold on
bar(t,InspectionPlan,w1,'FaceColor','r');
InspectionExecuted = thingSpeakRead(1421679, 'Fields', 2, 'Numpoints', 100);
w2=.25;
bar(t,InspectionExecuted,w2,'FaceColor','y');
hold off
grid on
ylabel('Quantity(products)')
legend('InspectionPlan','InspectionExecuted','Location','northwest');
xtickformat('yyyy-MM-dd')
Rizwan Khan
Rizwan Khan 2021-7-13
still the dates does not matching while ploting.
i am ploting field1 vs field2
Rizwan Khan
Rizwan Khan 2021-7-13
Data enetred in 2nd july but plot is showing from 12th july

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This looks like an interesteing application. Can you tell us more about what you are monitoring?

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