Saving a 1xn Bar plot as a jpg

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Trigg Allen
Trigg Allen 2020-10-30
编辑： Ameer Hamza 2020-10-30
Hello,
y = [2 2 3; 2 5 6; 2 8 9; 2 11 12];
test = bar(y)
I want to save this bar plot as an image programatically. I have no issues saving a 1x1 Bar using saveas(), but when I have a 1xN Bar then I get this errorr:
Error using checkArgsForHandleToPrint
Can print only one page at a time.
Error in checkArgsForHandleToPrint
Error in print>LocalCreatePrintJob (line 101)
handles = checkArgsForHandleToPrint(0, varargin{:});
Error in print (line 38)
[pj, inputargs] = LocalCreatePrintJob(varargin{:});
Error in saveas (line 181)
print( h, name, ['-d' dev{i}] )
How can I programatically save a 1xN bar plot?

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回答（1 个）

Ameer Hamza
Ameer Hamza 2020-10-30
编辑：Ameer Hamza 2020-10-30
saveas() is quite an old function and not suitable for getting high-quality images. If you are using a recent version of MATLAB, then try exportgraphics()
y = [2 2 3; 2 5 6; 2 8 9; 2 11 12];
bar(y)
exportgraphics(gcf, 'filename.jpg', 'Resolution', 300)
If you are using an older version which does not have exportgraphice() then use this FEX package: https://www.mathworks.com/matlabcentral/fileexchange/23629-export_fig

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