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

learn more… | top users | synonyms

21
votes
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 ...
16
votes
1answer
360 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 ...
13
votes
0answers
638 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 ...
11
votes
6answers
4k 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 ...
11
votes
2answers
727 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
4answers
11k 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
1k 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 ...
6
votes
1answer
987 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 ...
6
votes
1answer
112 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
598 views

Drive time analysis using Network Analyst with ArcInfo 9.1

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
946 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 ...
5
votes
1answer
1k 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
1answer
980 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
1answer
669 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
2answers
74 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
742 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
1answer
206 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 ...
5
votes
3answers
365 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
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
711 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 ...
5
votes
0answers
222 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, ...
5
votes
1answer
379 views

Closest Facility Solve Failing

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 ...
4
votes
1answer
248 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 ...
4
votes
1answer
2k 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 ...
4
votes
2answers
743 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 ...
4
votes
2answers
325 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
339 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
1answer
61 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 ...
4
votes
1answer
107 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
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: ...
4
votes
2answers
779 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
544 views

Correct network analysis settings needed for shortest route problem

Ok 1st sorry my English is not very good. What i want to ask is why the route analysis takes long path to reach the point when i click at solve button even though I can see a shorter path with my ...
4
votes
1answer
78 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
233 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
170 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
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
190 views

Grouping carpool participant addresses for network

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 ...
4
votes
0answers
99 views

Using Traffic with Network Analyst VRP

To the best of my understanding, setting a specific day under Analysis Settings for the VRP uses the Routing_ND historic traffic information. Is there some step I'm missing to enable traffic? I've ...
4
votes
0answers
154 views

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

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 ...
4
votes
0answers
126 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 ...
3
votes
2answers
295 views

How do you remove isolated roads from a bigger network?

I'm trying to perform an OD Cost Matrix calculation on a set of points using a road network from OpenStreetMap data. The network contains lots of roads that don't connect to the rest of the network. ...
3
votes
1answer
1k views

How to Enable DriveTime (Minutes) in Network Analyst Service Area Creation?

I'm using ArcGIS 10.1 Network Analyst Extension to try and do a drive time analysis for fire station service areas. Using this tutorial I am going through step by step to make this happen, however, I ...
3
votes
1answer
766 views

How can I solve “The Network Analyst solver could not determine a solution”?

I am using ArcGIS 10.0. I have network data for undulated terrain so there are lots of inaccessible parts of the network. When I was using this model, I get "The Network Analyst solver could not ...
3
votes
1answer
113 views

I need the GUID for an INALayer object

I've been searching the documentation for the GUID for a Network Analysis Layer object. For example, "E156D7E5-22AF-11D3-9F99-00C04F6BC78E" is the Interface identifier for an IGeoFeatureLayer.
3
votes
1answer
273 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 ...
3
votes
2answers
85 views

Identify all continuous networks in a dataset

I have a set of pedestrian streets for a city. I would like to assign all of the streets that can be reached to one another along a continuous network to a unique group. I am wondering if there’s an ...
3
votes
2answers
102 views

Similar function of ArcGIS Network Analyst in MapInfo

I am currently using MapInfo and trying to create a road network base walking catchment map, rather than just a cycle buffer. The finished plan should look similar as follows. This map was created ...
3
votes
1answer
103 views

Connect overlapping lines

I am currently trying to build my first multimodal network using ArcGis 9.2. This is a test using simple data of what I will need to do later with more complex data. Here is my data: layer 1: One ...
3
votes
1answer
551 views

Is it possible to use Python to perform network analysis on only part of a network?

I have a large network dataset and want to perform an analysis on it which would output the start/end point, the distance between them and whether they're first, second or third (etc.) nearest ...