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 ...
16
votes
1answer
281 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
555 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 ...
10
votes
2answers
406 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 ...
9
votes
4answers
8k 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 ...
7
votes
5answers
2k 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 ...
7
votes
2answers
747 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
102 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
521 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
473 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
2answers
1k 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
996 views

How to automatically create all possible polyline routes connecting many point locations around a polygon obstruction?

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
468 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
46 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
1answer
166 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
2answers
270 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
2answers
556 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
0answers
121 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
206 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
179 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
1k 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
593 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
1answer
231 views

Ist there a way to calculate a Service Area from the Network Analyst in ArcGIS for each feature in a feature class?

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
578 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, ...
4
votes
1answer
864 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
1answer
469 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
3answers
194 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
109 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
885 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
99 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
0answers
269 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
0answers
620 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 ...
3
votes
1answer
409 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
539 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
112 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
2answers
543 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, ...
3
votes
1answer
26 views

Counting traversed arcs to write attribute using ArcGIS Network Analyst?

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 ...
3
votes
1answer
96 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
204 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
1answer
433 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 ...
3
votes
1answer
237 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 ...
3
votes
1answer
107 views

How to calculate distances between several points along network?

I have several points (bicycle share hubs), and I want to calculate the distance between each of them using a network. I want a CSV/XLS that has three headers: hub_id1, hub_id2, distance. I've ...
3
votes
2answers
200 views

How are service areas created in ArcGIS Network Analyst?

I want to create a service area map of Burma in order to spot the areas that are within xx kilometers from a set of cities. The problem is that the generated polygons aren't exactly what I expected. ...
3
votes
1answer
225 views

Finding optimal network with python and network analyst in arcgis 10.0

Hello GIS StackExchange, I'd like to know if there's any way to find the shortest distance across the diagonals of a polygon. I am creating a network analyst solution to determine the most cost ...
3
votes
1answer
432 views

ArcGIS 10.1 Network Analyst: Snapping stops from point-shapefile to route analysis layer doesn't work properly

I'm struggling with a task, which should be not that difficult....but anyway I do not find a solution. Background I'm map-matching tracks, generated by a GPS-device, to a road network. Therefore I ...
3
votes
1answer
342 views

Update Arcpy version?

This is probably the answer to my previous question. The version of arcpy that I am using does not include GetNAClassNames naClasses = arcpy.na.GetNAClassNames(serviceAreaLayer) ...
3
votes
1answer
162 views

Network Analyst directions window options

I have created a vehicle route problem with multiple route zones with one depot in each zone. Each zone has a pickup route that delivers to the depot in the zone. Some addresses have special ...
3
votes
1answer
50 views

Finding the shortest network distance from A to C via the closest B in ArcGIS?

I have an intern wanting to model the network distance from origin (A) to destination (C) via the closest detour (B). There are approximately 1,000 origin, 200 destination, and 500 detour points. I ...
3
votes
0answers
56 views

How to calculate wait time on a one-lane road with two-way travel?

I want to know how to calculate the wait time on a single-track/one-lane road (only room for one car at a time) for one car waiting for another car to pass by. For example, two cars drive on the ...
3
votes
0answers
51 views

How to automate creation of Network Turn Features from line segments? [closed]

I have a road network which I will add Turn features in. From the road network, I have created a model that cuts out the line segments where the turn features will be located. My problem is how to ...