Export to SVG changes symbols on axes

Question

Fabian 2014-12-17

3
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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/166959-export-to-svg-changes-symbols-on-axes

编辑： Frauke Gellersen 2021-10-29

Greetings MATLAB community,

while experimenting with figure exports, I found that, whenever I have a plot that has an exponential scaling factor attached to the axis and export it to SVG it will change the "x" symbol into a "#" symbol. The example is very easy:

plot(1e6*rand(10), 'o')
print(gcf, 'test', '-dsvg')

The plot directly exported to png (left) is fine, but exported to svg and then to png (right) is not:

I am, of course, aware that this problem could be avoided by exporting to a different format of by changing the tick labels. This question is aimed at understanding why this is happening, if it is intended and I am just doing something wrong or if it is indeed a bug.

I am grateful for any insights and hope everyone has a nice day.

Best regards, Fabian.

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Answer 1

Richard 2020-12-29

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https://ww2.mathworks.cn/matlabcentral/answers/166959-export-to-svg-changes-symbols-on-axes#answer_586833

编辑：Richard 2020-12-29

在 MATLAB Online 中打开

Hello Fabian, its almost 7 years later, but I have found solution. For some odd reason, if you change property of axes 'FontName' to different font type (Palatino linotype, Times new roman ...), the 'x' in exponent is showing properly. I don't know why tho. If you use multiple axes (subplot, axes, zoom ...), or mix them with graphical objects (text) with different Font types, it will also lead to wrongly generated '#' instead of 'x'.

This code outputs svg file without problem (tested on Matlab R2018a):

f=figure;
ax=gca;
plot(ax,1e6*rand(10), 'o');
set(ax,'FontName','Palatino linotype');
saveas(f, 'test', 'svg');

EDIT: If you list present system fonts by function:

d=listfonts

the fonts like Times New Roman, are written with capital letters, if you use them in that way in set of property 'FontName', it won't work, and the exponent will show '#'. But if you write them in lowercase , it works even with helvetica, so this is problem of font selection by Matlab. Hope it will help others.