Dividing a line into unequal segments?

[Wo3Dan]

@xaviervasco

However, I often have a Total Length of a number like 10.9378. Now I could apply the the same arithmetic of A=1 X 4 – 10.9378 = 6.9378 / 3 = 2.3126 (such B equals 2.3126. Now this is much more tedious and complicated.

One way to achieve the dimension for B is to command:copy/divide the segment A across the Total Length. But this is also tedious and uneditable later on. My question is, is there an extension, similar to the divide line function, that allows for the division of unequal lengths across a line. So instead of dividing a line by AAAA, I can divide the line ABABA or ABCABA, etc.

@xaviervasco, have you ever considered applying ‘Glue to’ components on a face representing the length of a ramp? This may help.

See:

The green dimensioned ‘Glue to’ landing components (here A=500 mm) preserve their given length(s). Spacing them B, C, D and E (red values) are resp. 300, 500, 800 and 900 mm

Say your real world overall length isn’t 5000 mm but 10,938 mm.
Select only the face and scale it dragging the right green grip to some arbitrary length and then immediately type 10,938 mm [Enter]
The red lengths adjust accordingly, but relative to their anchored positions, the landings.

Vertical scaling the ramp to the correct overall rise can be done in the same way with the top mid green grid.

It all boils down to:

• a rectangular face
• ‘Glued to’ components at length
• first one anchored (local origin) on the corner down left
• last one (if included in the overall length!) mirrored anchored on the top right corner
  (if not included, then not mirrored but still anchored on the top right corner)
• other landings spaced according to (say) BBB or BCB or BCDE or whatever you need

In short: use ‘Glue to’ components and pay attention where to they are anchored on the face!

Ramp_B.skp (258.0 KB)

In the end you can slide the mid landings up/down to optain an even slope along the ramp.

[RTCool]

I haven’t read everything yet, but one thought is that FlexTools has a ramp tool which is a dynamic component, but I confess I haven’t used it much. That said I don’t know if you would find it helpful or not. Here’s what the parameters look like:

[Wo3Dan]

@RTCool

… but one thought is that FlexTools has a ramp tool which is a dynamic component, …

No landings in between?

[RTCool]

Appears not, but as I said I haven’t really used the tool; just throwing out the fact that somebody did make a dynamic component for ramps. I have other thoughts about how I would approach it with native tools.

[RTCool]

Here’s a quick look at the way I would approach it. Start with a seed component based on the “not to exceed standards” (for me that’s ANSI A177 and ADA). Make a unique component copy for this particular case. Move duplicate it with trial and error until there are enough repeats to fit, and then edit the component to less than the worst case version.

“Not to exceed standard”

@slbaumgartner’s slope marker

Repeat and edit one of the components to fit. Ultimately delete the last component and replace it with just a landing.

To explain it best, I’d need to make a video if needed.

[Wo3Dan]

@RTCool

Move duplicate it with trial and error until there are enough repeats to fit …

Without trial and error: try creating a ramp with four landings, fixed size (say all included in the overall length. The distances between them have to obey/maintain the ratio 5:7:6
(Taken that all will stay within an acceptable slope. That’s easy to check in advance)
So you are dealing with the case ABACADA
No extensions, no dynamic components, just native tools, accurate and no difficult math involved.

p.s. this is more along the line of OP’s question.

[RTCool]

@Wo3Dan

Without trial and error

Trial and error was just to determine how many landings were needed. The landing size was fixed in the component.

[Wo3Dan]

Try with ratio 5:7:6 as given above as an example.

[xaviervasco]

Thanks this looks very promising, I will have a play around with this workflow!