On Sunday, June 14, 2020 at 6:15:47 PM UTC-4, Chris Jones wrote:
>
> I have an image meant to be fit exactly one page (or should I say 
> screenful) that I would like the e-reading application to resize 
> automatically to the size of the e-reader's screen while preserving aspect 
> ration as is already done with the cover image.
>
> The image can be a png, jpeg, or svg (the png and jpeg are generated from 
> the svg, itself created initially under latex as a pdf and converted to svg 
> via inkscape).
>
> The svg file displays correctly under firefox and can be resized with no 
> visible loss of crispness & resolution.
>
> Is there any way to do this currently in pandoc?
>
> Thanks,
>
> CJ
>

**Update** 

I thought I'd experiment a little and use some "raw 
latex":                                                                                                                                                                                                                                                         
 
                                                                                                                                                                                                                                                                                                                    
 
| # Planche 
7                                                                                                                                                                                                                                                                                                       
 
| <div 
id="cover-image">                                                                                                                                                                                                                                                                                            
 
| <svg xmlns="http://www.w3.org/2000/svg" 
xmlns:xlink="http://www.w3.org/1999/xlink" version="1.1" width="100%" 
height="100%" viewBox="0 0 900 1200" 
preserveAspectRatio="none">                                                                                                                                    
 
| <image width="900" height="1200" xlink:href="images/planches/pl7.jpg" 
/>                                                                                                                                                                                                                                          
 
| 
</svg>                                                                                                                                                                                                                                                                                                            
 
| 
</div>                                                                                                                                                                                                                                                                                                            
 
                                                                                                                                                                                                                                                                                                                    
 
This html snippet below the #h1 markdown title works as expected when I 
manaually create the epub: the pl7.jpg image is automatically sized to the 
full size of a 4:3 screen (by most ereader 
software).                                                                                                                                         
 
                                                                                                                                                                                                                                                                                                                    
 
But when I run a "pandoc md/snippet.md -o snippet.epub" command or such the 
ensuing epubcheck complains about not finding pl7.jpg in the epub. A quick 
look inside the epub reveals that the jpeg image is not referenced in the 
EPUB/content.opf (the "manifest", I believe they call it...) and that 
pandoc did not
                                                                                                                                                                                                                                                                                                                    
 
In effect it looks as if pandoc silently ignores the contents of the <image 
... /> 
tag.                                                                                                                                                                                                                             
 
                                                                                                                                                                                                                                                                                                                    
 
Is this the expected 
behaviour?                                                                                                                                                                                                                                                                                     
 
                                                                                                                                                                                                                                                                                                                    
 
If so what would be the recommended 
workaround¹?                                                                                                                                                                                                                                                                    
 
                                                                                                                                                                                                                                                                                                                    
 
Thanks,                                                                                                                                                                                                                                                                                                             
 
                                                                                                                                                                                                                                                                                                                    
 
CJ                                                                                                                                                                                                                                                                                                                   

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