Extract points at measures (for instance snipper). Create id for point.

Duplicate and add serialnumber.

Get angle of line at pointlocation.

Ofsetter to offset sufficiently (to intersect border of polygon) using angle (+ and - 90 degrees).

Pointconnector to create line out of the points. (group by point_id)

LineOnArea overlayer and tester to get line piece.

Get its length.

thanks, I did not understand (which polygon). Actually I have lines and descriptif information. I will create TaperBuffer after that.

@miladahmad

Ah, ok i thought u needed width of polygon fo the tapered buffer at measure.

I did build an example.

You want length of line between the measures (word "width"confused me there..)

OK.

Use measure extractor. Use list.

Explode the list.

Create a attribute with adjacent feature. Create a attribute "measure_to" = feature[+1]._measures

Use a snipper on the lines, mode=distance. Start = measure End = measure_to.

Lenghtcalculator on the result.

@miladahmad

Might as wel post the workbench for you...

This extract width of polygon at measures but line-pieces between measures are created first as the geometry is needed in the proces..

addendum

you can also use snipper in measure mode (relative to startpoint) and then enter the list name from the measure extractor if your measures have mulitplier >1 (my posted fmwt i created them by densifying the polyline and created measure with the multiplier=1)

come to think of it,..maybe I'm misinterpreting the question..?

Just an overlay of the lines with measures?

@miladahmad

Ok,i made a measure merge.

I think its your question...

addendum: chop the result by vertices =2 for your requirement. I forgot to put that in workbench.

thanks a lot.

I did not explained it correctly.

I already have extracted the measure. I want just to have the change in the amount of buffer (because I want to use Taperbuffer). Lets say I want to have 2 attributes : one for start and one for end of line (because I'm using the LineOnlineoverlayer then the start and end change at every new measure).

thanks again

@miladahmad

That is what the last workbench I posted does.

measuremerg.fmw.

Check it out.

@miladahmad

Ok, now i get what you want.

It is easier then you think.

Counter, statisticscalculater and attributecreator. Mostly it resides in the attributecreator.

Here is workbench measuremergenodeordersinglethread.fmw

Have fun!

b.t.w. the attribute accessing adjacent or subsequent listelements stays colored red. This is not a error, it works fine.

Maybe safe should check this..?