Large images in beamer not scaled correctly

Large images in beamer not scaled correctly

[John Muccigrosso]

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Portrait images in beamer that have to be scaled down are left at too large 
a height. While the entire image is visible, the caption is not. 

The same thing can be observed with landscape images that are close to the 
aspect ratio of the PDF (4:3 in my case). In this case they are fine, but 
as they get squarer (taller), they begin to crowd out the caption.

Attached are two examples, each of a red box with green top and bottom 
borders.

The first is a 1000x5200 box that shows no caption though the entire box is 
visible.
The second is a 4000x3300px box (so just slightly more square than the 
aspect ratio) with an only partially visible caption. Increasing the height 
will drive the caption off the bottom, while keeping the entire box 
visible. Increasing the width will show more of the caption.

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Re: Large images in beamer not scaled correctly

[John MacFarlane]

Experiment with changing this line in the default latex
template:

\setkeys{Gin}{width=\maxwidth,height=\maxheight,keepaspectratio}

Perhaps if you use 0.8\maxheight and 0.8\maxwidth, it will
leave room for a caption?

+++ John Muccigrosso [Oct 31 17 14:16 ]:
>   Portrait images in beamer that have to be scaled down are left at too
>   large a height. While the entire image is visible, the caption is not.
>   The same thing can be observed with landscape images that are close to
>   the aspect ratio of the PDF (4:3 in my case). In this case they are
>   fine, but as they get squarer (taller), they begin to crowd out the
>   caption.
>   Attached are two examples, each of a red box with green top and bottom
>   borders.
>   The first is a 1000x5200 box that shows no caption though the entire
>   box is visible.
>   The second is a 4000x3300px box (so just slightly more square than the
>   aspect ratio) with an only partially visible caption. Increasing the
>   height will drive the caption off the bottom, while keeping the entire
>   box visible. Increasing the width will show more of the caption.
>
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Re: Large images in beamer not scaled correctly

[John Muccigrosso]

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On Wednesday, November 1, 2017 at 12:45:25 AM UTC-4, John MacFarlane wrote:
>
> Experiment with changing this line in the default latex 
> template: 
>
> \setkeys{Gin}{width=\maxwidth,height=\maxheight,keepaspectratio} 
>
> Perhaps if you use 0.8\maxheight and 0.8\maxwidth, it will 
> leave room for a caption? 
>

Yes, that will work. So will just worrying about the vertical.

Shall I do a PR? 

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