How to save contourf figure to image (.jpg) using matlab?

Question

I want to save figure of contourf to image (.jpg). i tried using saveas(gcf, output, 'jpg') and the result is blank .jpg file. Can you help me so the plot contourf can saving in my computer?

contourf(L, jml_level)
colormap autumn
figure

This is result of contourf

Thankyou.

Answer 1

You can use figure handle to indicate which figure to save

fig1 = figure;
contourf(L, jml_level)
colormap autumn
saveas(fig1,'cont.png')