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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22
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7answers
3k 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 ...
17
votes
1answer
548 views

Performing Network Analysis for Emergency Response using ArcGIS Desktop?

I am working on a project using Network Analyst to determine official emergency response zones for fire departments. The shape of each zone will be determined by the network (at least 1 department ...
14
votes
6answers
8k views

How to Split Roads at intersection for Network Analysis?

I have a file geodatabase Feature Class representing the roads of a city. The Roads are not split at Intersections. ArcGIS needs roads to be split at the intersections, otherwise it assumes that the ...
13
votes
0answers
716 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 ...
12
votes
2answers
1k views

How can I calculate the optimal routes while touching all available roads in a network?

For preperation of the winter season we want to calculate the most optimal routes for sprinkling salt on the roads. The analysis knows the following criteria: - vehicles start and stop at a single ...
10
votes
5answers
15k views

How to make a one part polyline from a multipart polyline?

I have a polyline which is divided into multiparts and these parts are not well ordered so that the vertex's ID are not following the polyline's plotting. This polyline is a representing a bus line ...
8
votes
2answers
2k 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 ...
7
votes
1answer
1k views

How to identify more than 500 features from closest facility analysis?

I am new to and using ArcGIS Desktop 10 I have done the closest facility analyst. And there are many routes laying on my network. I want to know how many routes use the road section(one feature in ...
7
votes
1answer
205 views

Visualizing road Intersections & connections in ArcGIS

I am working with polylines (roads) in ArcGIS and I was wondering if there is a possibility to somehow show intersections as well as connecting parts of all the different road-segments. Also, would ...
7
votes
0answers
252 views

Grouping carpool participant addresses for network [closed]

I have a list of addresses of people participating in carpools to a workplace and a list of cars given by the workplace. Both lists change daily. I need to group people by their addresses and assign ...
6
votes
2answers
2k views

How to create Network Dataset for Network Assistant using ArcPy?

Is it possible to create a network dataset with ArcPy to be used with the network assistant? In the documentation I found the Build Network and Dissolve Network functions, but it looks like both ...
6
votes
1answer
119 views

Do Network Services support Multimodal Networks (ArcGIS 10.1, Network Analyst Extension)?

Do Network Services support Multimodal Networks (ArcGIS 10.1)? I'm assuming that multimodal networks are supported, but I am troubleshooting and just want to be sure. Thanks, eric
6
votes
1answer
269 views

How to store route names of a stop belonging to multiple routes

I've been reading the ArcGIS help files on route analysis to gather more information on what attributes are stored with Stops. Maybe I've stared at the screen too long, but I cannot seem to understand ...
6
votes
1answer
744 views

Drive time analysis with ArcGIS Network Analyst?

What is the most common SETTING for the Layer Properties when creating time-travel polygons? I am in the process of creating 4, 5, 6 minute polygons using Network Analyst. Every time I generate ...
5
votes
2answers
8k views

Showing polyline direction in ArcGIS for Desktop (ArcMap)?

How can I show the direction of a polyline as it was digitised? I need this to check if my network analysis is obeying one way streets. I know of a tool in Xtools that can do this but my trial ...
5
votes
3answers
239 views

How to find and delete all road unattached road segments

I have a large road network that I'm using for routing and agent-based modelling and I've just noticed that it has a lot (possibly hundreds) of road segments that are not connected to the full network....
5
votes
2answers
339 views

How to find Closest Facility (euclidean distance)?

I have some facilities and incidents, and I want to find the closest facility for each incident. I've done it via Network Analyst (with a network dataset) but I'm wondering if you can do it with just ...
5
votes
1answer
4k views

How to find network distances between two sets of origins and destinations?

I'm learning how to use Network Analyst, and I'm not entirely sure what to do (or search for). My objective is to measure the nearest distance from the red circles to the blue circles along a road ...
5
votes
1answer
2k views

Creating all possible polyline routes connecting many point locations around polygon obstruction using ArcGIS Desktop?

Lets say I have 30 ports on the west of an island, and 30 on the east, and need to calculate all possible shipping distances between each and every port, with the routes having to steer around the ...
5
votes
2answers
496 views

Summing attribute of feature in network along route using ArcGIS Network Analyst?

In the walking network that a friend and I are creating, we want to calculate an overall safety rating for each route. Each segment of our walking network has a certain safety value. We have ...
5
votes
2answers
1k views

Including polygons as part of network for ArcGIS Network Analyst?

I am creating a pedestrian walking network of a downtown area. I am digitizing line segments for paths and sidewalks, but I need to incorporate parking lots into my analysis. So far, I have been ...
5
votes
1answer
130 views

Is there a way to minimize turns in Network Analyst routing?

I have a network of pedestrian routes and I want to provide them with clean directions, but Network Analyst chooses the first route that it can turn towards destination and gives me a zig-zag road. Is ...
5
votes
1answer
1k views

Network Analyst for QGis or another Open Source Geographic Information System?

Im looking for alternative ways for analyse my network dataset. So, there is another way to analyse an GIS network? I mean if there are any useful plug-in capable to determine service areas, routes, ...
5
votes
2answers
2k views

Are there any open source network analysis tools?

A researcher in my field* recently created an "Urban Network Toolbox", an ArcGIS extension built upon Network Analyst. It calculates a number of measures on urban networks, such as betweenness and ...
5
votes
2answers
92 views

How do I determine which road segments get the most use?

To start, I should mention that I'm hoping to solve this using Network Analyst and (if I have to) Microsoft Access. I am also a poor programmer - my knowledge of python is limited at best. I have a ...
5
votes
1answer
849 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 ...
5
votes
1answer
1k 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: ...
5
votes
2answers
106 views

Compare slopes between adjoining line segments

Using a DEM, I assigned slope values to individual segments in a street network feature class. In some areas the slope values seem suspect, such as where a highway overpasses a local road. Is there a ...
5
votes
2answers
858 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 ...
5
votes
3answers
461 views

Adding transportation schedules to a network dataset

How do I add transportation schedules to a multimodal network dataset? For example, Bus 1 runs between 08:00 and 16:00, and Bus 2 between 14:00 and 23:00. If a passenger wants to solve for a route ...
5
votes
0answers
356 views

Has anyone used ArcGIS for 'automatically' detecting lineaments from a high-resolution (1m) DEM? [closed]

I have a set of DEM's produced from LIDAR data. I am wondering if anyone is familiar with or knew of any published research papers which looked at (semi-)automatically detecting lineaments /or ...
5
votes
0answers
126 views

Symbolizing route data [duplicate]

I'm working on a project that routes various modes of transport to one location (a school) in Arc Map 10. I have about 400 routes, so there is a significant amount of overlap as they near the school. ...
5
votes
0answers
803 views

How to use Route Task in Network analysis tools

I am using esri network analysis tool and I just want to draw the path between two clicked point on the map (by using route task) I use the example code block in the following link http://help....
5
votes
0answers
233 views

How to set order of operations for Field Calculation in Network Analyst Evaluator Dialogue? [closed]

I desire to have a ratio calculated each time I create a new route. To get this ratio, I created and populated a field that multiplied the length of each segment by a designated number from 1-5, ...
4
votes
1answer
3k views

How to format street network data for network analysis?

How do I create a good street network for network analysis? How should I format the street data to import it into Network Analyst, including prefixes, directions, intersections, and geocoding ...
4
votes
2answers
399 views

Getting junction id for roads in network dataset using ArcPy?

I have a network dataset with roads and junctions. I am wondering what class I can use in ArcPy to extract FromJunctionId and the ToJunctionId for each road segment in the network dataset.
4
votes
1answer
435 views

Calculating Service Area for each feature in feature class using ArcGIS Network Analyst?

I am trying to implement a python script that creates in a first step a Network Dataset and that in a second step gets a point feature class for which the tool should create for each feature in the ...
4
votes
2answers
1k views

How do you get access to a Network Analyst layer item in ArcPy?

I have a Python script that I'm working on. I have created a Closest Facility layer (in memory). I add facilities. I add incidents. I perform the Solve. These all complete. The only problem is, ...
4
votes
1answer
587 views

Correct network analysis settings needed for shortest route problem

Why does the route analysis take a longer path to reach the point when i click the solve button, even though I can see a shorter path with my naked eye? I'm trying to digitize again and make a new ...
4
votes
1answer
207 views

Counting traversed arcs on routes to write attributes using ArcGIS for Desktop?

I have number of persons located on a road network and I have calculated their shortest distance to a particular location. From the routes output created from Closest Facility can I break the ...
4
votes
1answer
396 views

Calculating attribute for network distance between multiple points in ArcGIS Desktop?

There is a road network and two point feature classes. For one feature class, I need to calculate a field to hold road (not Euclidean!) distance from every point to a certain point in the other ...
4
votes
1answer
112 views

From everywhere to everywhere in spatial network

ArcGIS Network Analyst question: I have a network dataset representing an archaeological site with ~500 buildings. Each doorway of these buildings represents a terminal node. I would like to simulate ...
4
votes
3answers
279 views

How to model money cost as an accumulator in network analysis?

This is not necessarily a technical coding question, although any links that include coding are welcome if they are answering my question. I am looking for research or analysis that has been done in ...
4
votes
2answers
226 views

Summing volumes through a pipeline system

I need to fill a volume attribute for a pipeline system. Volume would come from a well at the end and I can easily start with a spatial join to get volume for all the line segments at the edge of the ...
4
votes
1answer
297 views

NetworkAnalyst seems to solve along straight lines but not intersections

I've built a network dataset using a road feature class. All the data I mention is stored in a feature dataset within a file geodatabase. In particular the connectivity is set to Any Vertex, and not ...
4
votes
1answer
162 views

Using Traffic with Network Analyst VRP

To the best of my understanding, setting a specific day under Analysis Settings for the VRP (vehicle routing problem) uses the Routing_ND historic traffic information. Is there some step I'm missing ...
4
votes
2answers
351 views

Create Minimum Spanning Tree or Steiner Tree Using ArcGIS Network Analyst: Solving for “n-incidents/ total”?

ArcGIS 10.2.2 - What would be the best approach for applying minimum spanning tree or Steiner tree logic to solving a network? Incidents: 100, Facilities: 20 Goal: Connect any subset (n-incidents of ...
4
votes
1answer
2k views

How to create fixed length (and width) buffer around a polyline in ArcMap 10?

Could someone please help me? I would need to create 100 buffers (500m x 1km) along a stream polylines. I know how to do it by using shortest distance but the buffers should follow the curves of the ...
4
votes
0answers
167 views

Multimodal network v.s. single mode network [closed]

I created a multimodal network with rail, bus, and pedestrian network, and generated a 15 min service area (blue in the attached figure). I also created a single mode network with only pedestrian ...
4
votes
1answer
463 views

Closest Facility Solve Failing [closed]

I have a problem getting a large number of facilities and incidents to draw upon solving. I have about 380 facilities and incidents, that I am attempting to find routes between. I need the actual ...