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Impossible de créer un itinéraire au début ou à la fin d'un intervalle d'un itinéraire existant sur la même ligne

MasaoMatsuokaDev

J'essaie de créer un nouvel itinéraire sur un réseau de lignes entre deux itinéraires existants comme vous pouvez le voir dans la capture d'écran ci-dessous. Les deux itinéraires existants (ligne violette sur l'image) sont sur la même ligne et le nouveau (bleu) devrait également être sur la même ligne. Cependant, l'outil Create Route n'aime pas cela et génère une erreur : "Impossible de créer un itinéraire au début ou à la fin d'un intervalle d'un itinéraire existant sur la même ligne". Il semble dire qu'il n'autorise pas l'ajout d'un itinéraire dans l'intervalle d'un seul itinéraire existant. Ces deux itinéraires existants n'ont aucun intervalle. Mais il y a un intervalle entre ces deux itinéraires. Comment puis-je accomplir ce que je dois faire ?

Merci

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DanPatterson

Not tried, but perhaps promising

Extend a route—ArcGIS Pro | Documentation

RyanKoschatzky

It's a byproduct of temporality. You cannot create a new route of an existing timeslice. Looks like you still intent to have a gap when all is said and done is that correct?

I don't like gaps as they do nothing but cause problems but yet they are valid to have. We try not to create and then not mess with if we have to. We use Euclidean Distance for our gap calibration. Your measure may act differently depending on the setting and how you model your lrs.

One method I did today on 10.8 that looks good measure wise to completely fill in the gap that I could quickly see was to reassign the blue route with a later date then purple and blue to the purple route. Selecting the first gap segment as my target route. The measures populated matched the first gap segment.

Personally I probably would have created a new route with the correct date along the gapped section to be filled and second gap segment. I would then have retired the second gap segment from the start of the gap section and then reassigned the new route to the existing route with the same from date.

The image has the top half with the method I first tried and the bottom half shows the second method. Hopefully this all makes sense.

Gap_fill_in.jpg

MasaoMatsuokaDev

Thank you all for the reply. All three routes need to have different attributes, so they need to stay as separate routes, but on the same line (a line in a line network) as they are all part of the same state route. We model each state route as a line in a line network. After everything is completed, there will still be a small gaps between the purple and blue (it is too small to see in the picture).

I tried some more and there was another gap earlier in the same line (state route), so I filled that with a new route, then it allowed me to create that blue route. But then when I tried to create another route after that blue route, it gave me the same error again. So I am wondering if I need to fill all the gaps??? Below is the picture of the gap I filled with a fake route. It happens where this state route stops at the overpass, then restart under the overpass. So physically there is a gap. So I created a small route to fill the gap with attribute indicating that the route is not real. On this particular state route, there are several of this type of gaps. We have another network that is derived from this line network, so we need to be very careful about adding fake routes, but if that is required then we can think of ways to do that.

AmitHazra

For your specific configuration of the line network (autogenerated route Id) you will not be able to fill a gapped route in an existing line with a new route in one Location Referencing edit operation:

Ex: Two routes in a line. Route order 100 is gapped

The workflow to fill the gap is to first realign the gapped route (line order 100) so it is no longer gapped:

Once you have filled the gap you can then begin to reassign the downstream routes back to new routes in the same line so all routes in the line are uniquely identified and ordered:

-amit@esri | Esri Transportation LRS Team

MasaoMatsuokaDev

Thanks for the detailed explanation. Whenever there is a physical gap, I start a new route (but the same line). So, each of the route on that line in the network is not gapped. The gap only exists between different routes. Now I am trying to create a new route (same line) in the gap between two different routes (same line). Do I still need to fill those gaps between different routes (same line)?

AmitHazra

This would be my recommended approach since all the routes are associated to the same line; technically you really wouldn't need to have physically gapped routes because you can treat each part of the gapped route as its own route. This will save you headaches when trying to fill a gap because you can then simply add a new route in the gap and the line orders will update:

Ex: Two routes in a line emulating a traditional "gapped" route in a continuous interpolative LRS network:

To fill the gap in the line network, simply create a new route and assign it to the existing line. This will update the line orders

-amit@esri | Esri Transportation LRS Team

MasaoMatsuokaDev

Here is another detail I should mention. At the start and end of the new route I am trying to create there are small gaps between the previous and next routes. The gap exists because this particular state route stops at the overpass and restart under the overpass. The picture below shows an example. The red numbers are the line orders.

MasaoMatsuokaDev

Thanks again for the explanation. But as far as I know I am already doing this. Each route is not gapped. I start a new route wherever there is a gap.

MasaoMatsuokaDev

I went through the tech-support and they filed a bug for this issue: BUG-000149190.

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