topic Re: Geometrical problem - How to fit vertical line segment between two lines in AutoCAD Forum

Geometrical problem - How to fit vertical line segment between two lines

kostastomp — Tue, 09 Mar 2021 14:07:42 GMT

Hello everyone.

I have two inclied lines meeting at a Point O. The form an acute angle, say φ.

I also have a vertical line segment whose length is fixed, say h.

How can I place that vertical line segment in such a way that it just fits between the other two lines at points A and B (see image below), while maintaining its verticality and its length?

Mathematecally I know how this can be achieved and I could just type in the correct distances, but I would like to do that using snapping to be precise. I guess I will have to use some auxillary drawing objects such as circles, or lines, but I cannot think clearly at the moment, I am just stuch.

Any help will be greatly appreciated.

Thanks a lot.

Re: Geometrical problem - How to fit vertical line segment between two lines

ВeekeeCZ — Tue, 09 Mar 2021 14:18:57 GMT

Like THIS ?

Ignore that Ctrl+O, it's just COPY command.

Re: Geometrical problem - How to fit vertical line segment between two lines

imadHabash — Tue, 09 Mar 2021 14:21:56 GMT

Hi,

You can do that depending on your known distances by drawing circles . by those circles intersections with two inclined lines you can start by a proper osnap mode ( Int of ) draw your line .

Re: Geometrical problem - How to fit vertical line segment between two lines

leeminardi — Tue, 09 Mar 2021 15:22:35 GMT

Move the vertical line so that its end is at O (red line). Reference its top end to create an offset line (magenta) parallel to the bottom reference line. The solution (green line) is where the other reference line intersects the offset line.

Re: Geometrical problem - How to fit vertical line segment between two lines

kostastomp — Tue, 09 Mar 2021 16:35:54 GMT

First of all, thank you all for taking the time to answer. I really appreciate your help.

I feel really embarashed now that I see the solution, because it's a very simple trick that I have used like a million times in the past, duh.

I was not really focused while drawing it, then I missed the solution which was just two clicks away and started overthinking it.