An extension for ArcMap that adds functionality for analyzing networked data, particularly for road and transport networks.
15
votes
1answer
195 views
Are there any standards or common practices for performing a network analysis for emergency response?
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
3answers
1k views
Network Analyst - Is it the only choice?
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 ...
11
votes
0answers
383 views
Incorporating Length of Route Value into Cost Evaluator Function (ArcGIS Network Analyst)?
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 ...
7
votes
5answers
235 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
4answers
5k 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 ...
6
votes
1answer
390 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
798 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
229 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
176 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
66 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
5
votes
1answer
75 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
1answer
99 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
72 views
Symbolizing route data
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
163 views
How to set order of operations for Field Calculation in Network Analyst Evaluator Dialogue?
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, where ...
4
votes
1answer
592 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
1answer
217 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
397 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
277 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
0answers
151 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
430 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
...
4
votes
0answers
269 views
How to specify attributes for network dataset?
Using ArcGIS 9.3 to try and create some routes with network analyst... currently following this tutorial: Network analyst tutorial for 9.3
I have a street dataset from NYS clearinghouse. I can't seem ...
3
votes
1answer
102 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
296 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
89 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 ...
3
votes
1answer
72 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
224 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
188 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
229 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
0answers
62 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
74 views
Accessing data stored in related tables from a network dataset
According to ESRI's transit data model, this implementation, and several thesis papers, any non-spatial information (such as public transport schedules, employee info, trips etc) which is not stored ...
3
votes
0answers
326 views
Performing a Multicriteria Analysis Using Distance Along a Road Network
There is the possibility that I will be working on a project which will look at thousands of properties in a region and measure their accessibility to different services (schools, parks, hospitals, ...
3
votes
1answer
117 views
Using landmarks in routing directions for ArcGIS Network Analyst?
I was wondering if there is a way to use a set of landmarks (in a point class or something) that will be included in the directions output for a Network Analyst route. So if there is a point (or ...
3
votes
0answers
373 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:
...
2
votes
1answer
228 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 ...
2
votes
1answer
67 views
How to Obtain INALayer from ILayer?
I have ILayer, how do i obtain INALayer,
if (TypeOf layer Is INALayer) is false?
I am using ArcGIS 9.3.1
2
votes
2answers
61 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 ...
2
votes
1answer
40 views
3D Barriers, ArcGIS Network Analyst
I am trying to implement 3D barriers from a feature class into a network using a model, but I can't seem to get the resulting barrier to appear on the proper three dimensional plane. The feature class ...
2
votes
1answer
61 views
How to change network analysis settings in a service from a web app
I'm a total n00b with ArcGIS Server, so I'd like to know if I publish a network analysis service using ArcGIS for Server, will the user be able to change analysis settings as one would in ArcMap e.g. ...
2
votes
2answers
236 views
How to improve performance on OD Cost Matrix for 200.000 origins and 1000 destinations
First of all this is my first question on this site :) And I am really happy to be within the community.
I have no programmer's background therefore, I try to avoid use python scripting, however If I ...
2
votes
1answer
281 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.
2
votes
2answers
39 views
How to create a turn restriction in ArcObjects
I am having difficulties creating turn restrictions in ArcObjects. I have found a way to Add a a network turn to restrictions through the INetworkForwardStarEx.AddTurnRestriction() interface. But how ...
2
votes
1answer
94 views
Load locations faster in ArcGis network analyst
I am currently using ArcGis Network Analyst to calculate an OD cost matrix.
I was wondering whether there is a faster way to load my locations (origins, destinations and barriers) because my current ...
2
votes
1answer
92 views
Multimodal route analysis not yielding correct results
I asked this question a while ago about a route in a multimodal network dataset not using all forms of transport available. While the answer worked at the time, I am now in a similar situation again.
...
2
votes
1answer
144 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
239 views
Adding barriers to a Network Analyst layer programmatically
Right now, I have code that allows the user to indicate on a map, which contains a Network Dataset layer, stops that are needed to create a route. I need to add functionality to the interface that ...
2
votes
1answer
203 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 ...
2
votes
0answers
37 views
Determine 3 and 6 minute fire response times
I'm expecting to get an Excel file with data on previous fire and emergency response times. I was told it will have incident addresses and the response time for each incident (~ 12K incidents). I also ...
2
votes
2answers
60 views
Finding distance (in time) from nearest point out of 4 along a road network
I have four points representing harbors along the coast. I also have a roads layer that has info on each road segment such as length, speed limit, and travel time.
I calculated travel time with ...
2
votes
0answers
92 views
A problem with ArcGIS network analyst making paths and roads work together
Working in Arc GIS 10 .0 service pack 5, network analyst extension, Productivity Suite 2.1 service pack 7, on Windows 7.
I am trying to get the Ordnance survey ITN urban paths layer to work with OS ...
2
votes
0answers
25 views
How to run more than 10 routes at the same time in Network Analyst?
My team and I are trying to run food collection routes for a food bank in Mexico City but we can run more than 10 routes at a time. In order to run the eleventh we need to take one out. Does someone ...
