Profile Graph not plotting M values properly

ClaireParsons1

I am trying to compare to TIN models along several cross section lines.
I have created section lines by interpolating Z values and then M values (linear referencing) for each section line.
One of the Tin Models is slightly smaller than the other - so therefore the profile line for this should start 15m after the profile line for the other TIN - however this doesn't seem to be the case when I create the profile.
i have checked the M values for each line and they are correct - does anyonehave any ideas as to why this is happening?

I've attached a picture to illustrate the problem.  The line shown in red should start 15metres after the blue line.

[ATTACH=CONFIG]14552[/ATTACH]

PS - I've just had a look at the data in Graph Advanced Properties and the 'x' values do not match the M values, even though I have stipulated that these should be used as the 'x' value.

profile.jpg

MangeantBaptiste

I have read somewhere that two profiles can be stack correctly, but I don't remind that particular tool. So, I'll let you know about it.

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Is that a joke ? You put the adress of a french website concerning properties : http://www.selogerneuf.com/immobilier/achat/ville/bien-maison !