Dnia Wed, 26 Aug 2009 20:08:01 +0200
Daniel Hornung <daniel.horn...@gmx.de> napisał(a):
> On Wednesday 26 August 2009, Adam Majewski wrote:
> > Hi there,
> > i sometimes need to measure distances on photo.
> > i do so using not only gimp but i need also calculator to do it.
> > The problem is that the measure tool doesn't have scale parameter.
> > It would be great if i can firstly measure scale and set distance
> > for it (ex 20px = 38m) and then measure other things that i need,
> > where the result will be shown not only in px but also in meters
> > (or other units ex. mile, foot, inch etc).
> Hello Adam,
> you could just set the resolution (pixels / whatever) in Image>Print Size and
> set the display units to whatever you need in the little dropdown menu near
> the status bar. Then the measure tool should always give you the real-world
> size as well. The only thing you have to do by hand is calculating the
> resolution in the first place. Some image formats like tiff and png even
> save that setting.
wow, this is brilliant and so simple solution, why didn't i write
this post earlier ;)
counting scale once and then doing what is needed ;)
> > Much further feature would be measure of areas, using also
> > feature of scale.
> > Simple areas like square, rectangle, or any of quadrilaterals,
> > triangle, oval, circle, ellipse etc...
> > This would be perfect, but i don't know to whom i should send this
> > proposition, so please forward it to right persons if they are not
> > reading this list.
> I don't know if there are plugins for this in GIMP, but other imaging
> applications like ImageJ/Fiji can do stuff like this easily. (They offer much
> less creative possibilities though.)
thank you for giving example of software, i am actually
downloading it, maybe gimp will not be run anymore just
to measure task. i will check it.
thanks a lot!
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