Re: REPOST: Display and User units, Scaling, Measuring Paths, Importing PDF

Have you confirmed that the drawing is in fact to scale? Is it possible
that the drawing is a reduced copy of the original which was drawn at 1:500?

Paul

On Thu, Dec 13, 2018 at 2:17 AM Philip Rhoades <[email protected]> wrote:

> People,
>
> I didn't get an answer to this a year ago and the problem has come again
> so I thought I would repost to see if I have any more luck with
> responses this time:
>
> If I produce a new drawing on an A4 page with Display and User units in
> mm with a scaling factor of 1.0, I can draw a rectangle of XxY and when
> I use the Visualise->Measure Path Extension with a Scale Factor of 100
> and Length Unit in m - I get exactly the right dimensions for the
> rectangle for its perimeter length and area - all good!
>
> However, I have imported a surveyor's map from a PDF file into Inkscape
> SVG (using defaults) and I need to be able to draw rectangles on it as
> above in mm (like my test) that will correspond to m in the real world
> but the drawing is on an A3 page and I have tried scaling and everything
> else I can think of and Googled a lot but I still can't do what I was
> able to do with my little test case.
>
> So:
>
> How can I convert the drawing to be on an A4 page with mm units so the
> mm correspond to m in the real world and the Measure Path Extension will
> give me the correct result in m and sqm?
>
> The original PDF says the scale was 1:500.
>
> I am using:
>
>    Inkscape 0.92.3 (2405546, 2018-03-11)
>
> Thanks,
>
> Phil.
> --
> Philip Rhoades
>
> PO Box 896
> Cowra  NSW  2794
> Australia
> E-mail:  [email protected]
>
>
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