[Ipe-discuss] Finding size of an object?

[Michael Kruger]

Great, thank you very much Otfried. Also thanks for the bonus ipelet.

Kind regards,
Michael

On Sat, Mar 4, 2023 at 5:25 AM Otfried Cheong via Ipe-discuss <
ipe-discuss at lists.science.uu.nl> wrote:

> On Fri, Mar 3, 2023, at 21:15, Michael Kruger via Ipe-discuss wrote:
> > I am trying to draw various objects to scale, and it would be useful to
> > be able to determine the height and width of an object in pixels, so
> > that I can compute a factor by which to scale it up or down relative to
> > other objects in my drawing.
>
> One way to do this in Ipe:
> 1. Select the objects you want to measure
> 2. From the "Goodies" ipelet, pick "Insert bounding box"
> 3. Turn on vertex snapping (F4)
> 4. Go to the bottom left corner of the inserted box and press F1 to set
> the coordinate system
> 5. If you now move your mouse to the top right corner, its coordinates
> relative to the origin of the coordinate system are displayed in the mode
> display at the bottom right.
>
> In the "Zoom" menu, under coordinates, you could even switch the display
> to mm or inches (the default is PDF points, 1/72 inch).
>
> This having said, if you need this function often, the right thing to
> do(tm) is to write an ipelet.  I'm attaching one that measures width and
> height of a bounding box of all selected objects.
>
> Cheers,
> Otfried
>
> --
*______________*
*Kindest regards*
*Michael Kruger*
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