Import PDF - can't get rid of PDF scale 25.4:1

[vancikv]

When importing pdfs there is a preset scale of 25.4:1 (which corresponds to millimeters to inches). I would like to change this value as needed, based on the actual scale of the pdf drawing, or at least have it at 1:1. Is that possible?

I thought the value could correspond to some metadata of the pdf file which may have been wrongly created, but didn't find anything. Of course I can scale the data to the correct size after import, but it seems unnecessary.

[pendean]

That highlighted scale was defined in the PDF: not much you can do about it in AutoCAD except whatever you can right here after the fact

[vancikv]

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@pendean wrote:

That highlighted scale was defined in the PDF

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That's what I thought but, as mentioned, couldn't find where. I'd like to know if there exists at least one pdf file that has a different scale and how would that be achieved. I tried files from different sources and there was always 25.4:1 (I certainly don't work in inches and take care to have the correct units set up). Maybe it's the default for most pdf printers / exporters?

The scale setting you pointed out is something, I can put in 25.4 and then the import is as on paper, in mm. However, if I wanted to scale to the real dimensions, I'd already have to multiply Scale*25.4 and input that, which sucks.

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[dany_rochefort]

@vancikv 

1 divided by 25.4 = 0.03937

Input that into your pdf insertion scale to obtain 1:1

[paullimapa]

This may bring you some insight 

https://stackoverflow.com/questions/67839593/programmatically-check-for-scale-information-in-a-pdf-d...

[vancikv]

No, it's the other way around. I don't need to invert anything, just input 25.4 and I'm effectively at 1:1. The PDF scale stated in the lower right corner of the preview doesn't react to that. It's interesting that the default PDF Scale for you is 1:1.

[vancikv]

Thanks, that's what I thought! So there is a slot for scale in the metadata. However, most printers probably don't/can't set it so a default value gets used instead.

[ravii99]

have you found the solution???