An extension to ArcGIS for Desktop and Server which adds functionality for analyzing networked data, particularly for road and transport networks.

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20
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7answers
2k views

Alternatives to Network Analyst

I'm not sure how reasonable this question even is, but it leaves me no less curious after a bit of searching. If I am looking to build a network based on road features and attributes, is Network ...
5
votes
1answer
438 views

Solving a route in a multimodal network dataset does not use all forms of transport available

After having completed Exercise 2 in the official Esri Network Analyst Tutorial, I decided to find a route in the multimodal dataset, to see how it functions. After adding several network locations ...
3
votes
0answers
412 views

IDatasetContainer2 CreateDataset method fails after upgrading to ArcObjects 10 [closed]

I have a Network Analyst routine that worked for 9.3 and does not work with 10. I was closely following the example at: ...
0
votes
1answer
636 views

How to generate all possible routes between two points?

I have a network dataset in ArcGIS and I need to generate all possible (not only the shortest one) routes between two given points (A, B). Is it possible to do it with the Network Analyst? Or with any ...
13
votes
0answers
548 views

Incorporating Length of Route Value into Cost Evaluator Function (ArcGIS Network Analyst)? [closed]

A friend and I (who more frequently than I posts on this board) are creating a walking network and we have run in to a snag. We would like to attribute a cost evaluator to our network dataset using a ...
6
votes
2answers
722 views

How to restrict portions of road network from the analysis in ArcGIS 10 Network Analyst?

I'm trying to sort out network analysis in ArcGIS 10. Toy example of finding shortest distance between two points looks something like that : Where squares are two locations, and the green line is ...
5
votes
2answers
535 views

ArcGIS 10 Network Analyst Service Area Problem/Peculiarity with Solving

I am having a problem when solving some of my service areas. I am loading the locations from a point feature class, and they are all located. The majority of them return a service area that is ...
4
votes
1answer
840 views

Network Analyst: arcpy's 'Solve' running out of memory

I've run OD cost matrix analysis using GUI tools n ArcGIS 10. My goal is relatively simple - find closest 50 neighbors for each origin point. The dataset I'm working with is relatively large: ...
3
votes
1answer
202 views

Create an optimized point layer derived from a road layer so that the driving distance between each point is x

Consider a classic state-wide or country-wide roadway network. I want to create a point layer, where each point is on the roadway network. This point layer will have each point separated by its ...
2
votes
1answer
429 views

no route detected in network

why this warning box appear when i click at solve button in network analyst toolbar ? - No route from location "Graphic Pick 46" to location "Graphic Pick 61". Error: No solution found.
1
vote
0answers
39 views

Why are steps out of order when running model in Batch? [duplicate]

I have an issue using an ArcMap model in batch mode. The purpose of my model is to obtain the result of an OD cost matrix from a selected network and a set of origins and destinations. My goal is to ...
1
vote
1answer
48 views

Check/Uncheck Trim Polygon option in Network Analyst

Can anyone tell me when to check/uncheck Trim Polygon option in Service Area Layer Properties dialog box while doing Network Analyst problems? By default Trim Polygon values comes as 100 m. Shall we ...
1
vote
1answer
86 views

Why sometimes Network Analyst can not find the shortest or the best route?

Normally in Network analyst and route detection it has to find the shortest and efficient way.But here in my work I can see that it does not find the best choice.I wonder why it chose the longer path ...
1
vote
1answer
60 views

Why some lines do not have Junctions in Network Analyst?

I digitized lineaments of an area from 2 different hillshade degree(315 and 45 degree). I joined two of them in one layer. After I made network from digitized lines,some lines do not have ...
1
vote
0answers
61 views

Network Analyst: How to sum cost attributes without length with closest facility tool

I am working on Safe Routes to School, and have created a network dataset. Each segment of the newtork has a 'walk_score' assinged (0,1,3,5,10), based upon street classification and sidwalk ...
1
vote
1answer
300 views

Creating an Origin/Destination (OD) cost matrix using ArcPy

I have created a python script that runs an OD cost matrix over five years from 1999 to 2004. I have set up an OD cost matrix for each year, which I think is very cumbersome. Is there someone who can ...
1
vote
0answers
77 views

How to indicate a change in transport mode for directions in a multimodal dataset

When I solve a route and generate directions for my multimodal dataset, the end product is not very user friendly: The pedestrian started walking along Main Street and then boarded a bus to travel ...
1
vote
1answer
442 views

Creating transfer edges in a multimodal network dataset

I have three feature classes: Bus Stops, Routes and Streets. The points are not coincident on vertices of either of the line feature classes - they are located next to the routes (red line): The ...
0
votes
1answer
33 views

creating shortest route using line segment layer as network locations

Using Arc10.2.1, trying to create a truck route that begins at one location on a county street grid and ends up in the same place, obeying a feature class of guard rail line segments throughout an ...
0
votes
0answers
16 views

Add junction to a line which has not intersect with other lines [duplicate]

In the process of making network analyst , some lines do not have junctions since they do not intersect with others. Is this possible to give a line junction ( something like adding vertices in ...
0
votes
0answers
27 views

Is there a method to add attribute weights to a network analysis?

I would like to use demographic attributes of a census tract centroid as a weight for a closest facility analysis. My tract centroids are incidents in the analysis while medical centers are ...