Is there a way i let my Offset Alignment Follow ascertain path (eg the polyline in red-dotted)
Attached is a pic.
Solved! Go to Solution.
Solved by v-silvestre. Go to Solution.
Solved by v-silvestre. Go to Solution.
Solved by v-silvestre. Go to Solution.
There is, you'll just have to select your offset alignment > right-click > Add Widening:
Next, it will ask if the widening to be added will be a separate alignment, the default is no, and just enter. From here you specify the start & end points of the widening/narrowing. One thing to note is that this does not include transitioning/taper distances at the start and end, so you'll be specifying the full width start and end:
Once the limits are defined, it will ask you the offset distance of this new segement:
Once the widenings have been added, you can edit them by using the grips or by selecting > right-click > Edit Offset Parameters:
Hi Emmanuel,
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It looks like @v-silvestre provided you with the steps to narrow offset alignment, so for now, I will mark this thread as "Solved." This won't prevent other folks from commenting on this question though, in the event other ideas come up!
Please let us know if you require further assistance.
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Sorry for the late response but this doesn't seem to work for the offset alignment narrowing at the end as per attached pic above. In my case the Offset alignments are narrowing to reduce the lane width from 3.5m to 2.5m at the end. So, it will look like just a smooth transition to the end of the alignment.
Hi Emmanuel, thanks for posting the drawing. I apologize, I misspoke in my previous post. What I had suggested was to add a widening which adds 3 segments to your offset alignment: a Transition In, Widening & Transition Out. (FYI, the reason why it wasn't adding the widening (no solution) was because the default values of the widening was too large for this part of the alignment.)
After working with your file, the best way to achieve this is by highlighting the offset alignment > click the Plus node:
This will add a single Widening with no transitions:
From here select the offset alignment > right-click > Edit Offset Parameters:
Next, adjust the values for the Transition In Length, Widening Region Offset, Length & Start Station:
One thing to note is that the Region Length cannot be zero; I had to extend your main alignment by 1m and then set the Region Length to be 1m.
I've uploaded the modified file, but let me know if you have any questions.
Thanks,
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