Save a figure with two plots

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Joseph Cullen
Joseph Cullen 2012-7-11
This seems like it should be very simple, but it doesn't work. I am plotting two lines in a figure, and want to save the figure as an image. However, the handle h is a vector and saveas doesn't like it. I can't find any help with this in the documentation. What am I missing?
h = plot(price,supply,price,demand)
saveas(h,'myplot','png')
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Joseph Cullen
Joseph Cullen 2012-7-12
This is the real example. It is a simple supply and demand plot.

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Kevin Claytor
Kevin Claytor 2012-7-11
Your code is just saving the current axes, you want;
hfig = figure;
hplot = plot(price,supply,price,demand)
saveas(hfig,'myplot','png')
  2 个评论
Joseph Cullen
Joseph Cullen 2012-7-12
编辑：Joseph Cullen 2012-7-12
Works! Thanks.
so the handles returned by plot are for each plot in the figure. hfig=figure; gives the handle to the whole figure.
Thats what I need to know.
Matt Kindig
Matt Kindig 2012-7-12
To be precise, the handles returned by plot are handles each of the line objects that make up the plot.
h = plot(price, supply, price, demand); %handles to 2 line objects
ha = get(h(1),'parent'); %handle to axes object
hf = get(ha,'parent'); %handle to figure object

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