Why does an empty duplicate figure box appear?

Question

Yasmin Samy 2017-10-17

0
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/361818-why-does-an-empty-duplicate-figure-box-appear

评论： Yasmin Samy 2017-10-17

Below is part of a code that i am using to plot some scatter plots. The problem is that for every loop i am getting two plots. The first is the required graph and the second is just a figure box. Unfortunately, that empty figure duplicate gets saved.

I don`t know what am i doing wrong.

if i=length(A)
 if i==3 
  set(figure,'position',[0, 0, 800, 250]);
 plotdaily = scatter(dat,variable,[],black,'filled');
 hold on
        plotdaily2=scatter(dat2,variable2,'MarkerFaceColor',gray,'MarkerEdgeColor',gray,...
        'MarkerFaceAlpha',.4,'MarkerEdgeAlpha',.4)
        box on 
        title('Total AOD at Eureka');
    elseif i ==4 
        set(figure,'position',[0, 0, 800, 250]);
        plotdaily = scatter(dat,variable,[],red,'filled');
        hold on
        plotdaily2=scatter(dat2,variable2,'MarkerFaceColor',pink,'MarkerEdgeColor',red,...
     'MarkerFaceAlpha',.4,'MarkerEdgeAlpha',0.4);       
        box on;
        title('Fine AOD at Eureka');
grid on 
saveas(figure, sprintf('Daily_Average%d.jpg',i))
end 
end

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Answer 1

Walter Roberson 2017-10-17

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/361818-why-does-an-empty-duplicate-figure-box-appear#answer_286279

In your code, replace all references to figure to become gcf

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Yasmin Samy 2017-10-17

Thanks Walter! i had to add 'figure' in the elseif though because the next plot was done on the first one when i didn`t. [every iteration plots from a different loop]. Thank you!

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