[NTLUG:Discuss] Linux ruler program

[Christopher Cox]

On 03/08/2018 12:30 AM, Steve Litt wrote:
> On Wed, 7 Mar 2018 23:26:53 -0600
> Leroy Tennison <leroy.tennison at verizon.net> wrote:
>
>> I realize that this isn't the most burning question out there, but is
>> there a ruler program for Linux which can be rotated to any
>> position. KRuler, Gnone ruler and Screenruler only do horizontal and
>> vertical. One would think (hope) there would be a ruler which could
>> measure at angles.  Any such?
>
> What units would you envision this ruler measuring in? How would it
> behave when you change dpi?

I think that's the thing.  You'd want to assume an accurate representation of 
dpi and aspect ratio with regards to pixel.  Well, in order for it to be the 
best it can be.... and barring the end user's own personal "lies" with regards 
to size and dpi and such.