Tagged Questions

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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1answer
51 views

Adjusting for road surface in Network Analyst? [closed]

I'm building a street network dataset and want to adjust the speed limit of certain segments to account for road surface (paved vs. unpaved). Are there any guidelines/rules for doing this (e.g. an ...
5
votes
2answers
53 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 ...
1
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1answer
76 views

Optimizing arcpy script to batch generate OD cost matrix in road networks

Following the question I asked in this thread, I wrote a python script designed to compute an OD cost matrix given a road network and origins/destinations locations. I am completely new to python, so ...
0
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1answer
30 views

Displaying network analysis service for Iran?

I am working on the ArcGIS API for JavaScript of ArcGIS for Server. I have a problem with network analysis services in Iran. There isn't any base map for routing in ArcGIS Online for Iran so how ...
1
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0answers
41 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
80 views

Add time restriction in ArcGIS Network Analyst

I'm trying to use train tracks as a network in ArcGIS Network Analyst. We are trying to create a model for security agents on board our trains and we'd like to optimize their daily "route". For now, ...
0
votes
1answer
39 views

creating shortest route using line-segment layer as network locations

I'm currently using Arc10.2.1 and new to the network analyst tool. I'm trying to create a truck route that begins at one location on a county street grid and ends up in the same place, following a ...
1
vote
1answer
58 views

How to extract time information from a route analysis

I have a script in Python that solves a really simple route analysis problem (optimal way for given stops). I've found in the documentation that one can assign a start date for the analysis and get ...
0
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1answer
48 views

Multivalue iteration in Vehicle Routing Problem (VRP)?

I'm currently building a model that would simulate three different set of orders (shapefile format) by using the Vehicle Routing Problem (VRP) tool of network analyst. The model I built runs correctly ...
0
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1answer
50 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
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0answers
75 views

Using network analyst new closest facility to calculate certain routes but not others?

I'm working on calculating a variety of distances between many points using network analyst using ArcGIS 10.2. Using the new closest facility option, I have 100,000 facilities and 100,000 incidents, ...
1
vote
1answer
157 views

Network Analyst: Location Allocation for Model Builder

I am trying to create a model to answer a question using a network analysis. Background: 10 possible fire station locations (shapefile) Calls for demand points (shapefile) Impedance is 5 minutes ...
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0answers
53 views

Network analysis point location error

I'm encountering a strange error using Network Analyst in ArcGIS 10.0. I have created a number of bus connections by repeatedly using Route analysis between a small set of point stops, producing a ...
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0answers
84 views

Finding shortest cumulative route (i.e. best 'hub') between networked points

How do I find the shortest cumulative route (i.e. best 'hub') between networked points? I have a dataset where some but not all of the points in the network connect to each other, however it is ...
2
votes
2answers
71 views

Extract overlapped parts of the routes - Network Analysis

I am on the project to identify the specific roads that are more frequently used than others. With the network shapefiles (OS ITN), origins and destinations (OD) points, route was created for each set ...
1
vote
0answers
148 views

How to execute 2 step floating catchment area (2SFCA) in ArcGIS? [closed]

I would like to execute a 2 step floating catchment area (2SFCA) in ArcGIS. I've been referencing this paper, but something's awry with my output, i.e. various null values, etc. The purpose of this ...
1
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0answers
64 views

Problem with service area gap with Network Analyst

I am working on running Network Analyst to create a Service Area from a single location to all around it. Esri's network dataset was missing a couple crucial street lines, and so I uploading their ...
1
vote
1answer
105 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 ...
2
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2answers
132 views

How to populate fields for line segment with value from polygon to left and right of it?

I have a countywide roads dataset that is used by an emergency dispatch system. There are two fields, "Comm_RT" and "Comm_LT", that need to be populated by the name of the community polygon they ...
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0answers
109 views

Arcgis Model Builder - OD cost matrix on network with iteration on attributes

I am totally new to ArcGis' Model Builder, and I need some advice as how to build an OD cost matrix for large sets of origins and destinations. I want to compute an OD matrix where I can have as many ...
1
vote
1answer
248 views

ArcGIS 10.1 Network Analyst shortest route starting from one specific point

I would like to create the shortest route starting from one specific point in a network out of 12 different points. I know how to get the shortest route by clicking each point after the other to give ...
0
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0answers
27 views

Min value (OD Cost Matrix)

I have an attribute table with columns that I have gained from running an OD Cost Matrix. In one column named "Total Minutes" I will select the lowest value (the shortest route). Then I will create a ...
0
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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 ...
1
vote
1answer
101 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
70 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 ...
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0answers
47 views

Need advice on creating polyline templates (polyline vs polyline ZM) for future network dataset

I am about to request large amounts of polylines from a variety of sources (municipalities). The idea is to collect bike path data and build a regional bike network (I work for the region ...
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0answers
49 views

Any way to extract route in ArcGIS Network Analyst into line segment with “from-to nodes”?

I would like to extract every from-to nodes from every line segment from a shortest-path route (produced from ArcGIS Network Analyst), so that I can calculate the relationship between buildings along ...
2
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0answers
47 views

Network Analyst provides different values for Total length and Shape length

I'm using the Network Analyst extension in ArcMap 10.2 to calculate the shortest routes between ~50000 pairs of stops. As the impedance is set to "Length (Meters)" the resulting Routes Featureclass ...
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0answers
209 views

how to combine GPS track logs using modelbuilder?

I'm creating a model to import GPS tracks(.GPX files) into ArcMap, this is to create a network of driveable off road vehicle routes. I've manage to do some of the things I'm trying to do, but there ...
2
votes
1answer
118 views

How to generate landmark-based route description using ArcPy?

I am now using ArcGIS 10.1 and currently a beginner in ArcPy. There is a project requiring to generate landmark-based route description. I am wondering how to use a buffer to find the landmarks in ...
0
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0answers
34 views

How to make turn feature class from line feature class?

I have a road network of one county in Norway . To this road network, I will make myself a turn feature class of all the road barrier in the road network. I have a feature class with all the road ...
0
votes
2answers
39 views

Is there mathmatical function/equation available for ArcGIS Network Analyst's Closest Facility Method?

I would like to use this function in other statistical programming, ideally SAS where td = (whatever the function is to calculate total distance from centroid of county to facility). The goal is to ...
1
vote
1answer
52 views

What's the best method to get a weighted average for drive times?

I have a closest facility network analyses from the centroid of county to the closest medical facility. What's the best method to get the weighted averages of these drive times, using population as ...
0
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0answers
43 views

Why don't my service area polygons follow my network?

I have found a few similar questions, but no good answers, so here goes another Service area question: I'm working on creating a walking distance layer from Parks, and have a road network set up with ...
0
votes
1answer
76 views

Creating Network Dataset programatically

I'm trying to code to create a network dataset using a single line feature class with minimal attributes I'm looking for a nice tutorial which can guide me through the process.I have already looked at ...
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0answers
36 views

ArcGIS 9.3 Export network dataset from geodatabase

I've got a set of feature classes with network dataset in a geodatabase *.gdb format and would like to export out to *.nds format, may I know how to do that on ArcGIS/ArcCatalog ?
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0answers
43 views

Network Analyst Loading Origins/Destinations and wait times

I'm having a difficult understanding the loading times when loading origins/destinations into Network Analyst. I have many network datasets that all vary slightly. They were created in batches so the ...
2
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0answers
65 views

Identify different networks inside a line shapefile

I'm dealing with a quite big line shapefile containing road tracks. The roads are connected to each other, creating distinct networks. These networks are independent and they are not connected to each ...
1
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0answers
45 views

Can someone explain me how to do the layout of routes in ArcMap?

Can someone explain me how to do the layout of routes in ArcMap? I have a shape of points with garbage containers and want to do the route of each truck but don't know how. I've tried with the network ...
2
votes
1answer
124 views

Alternative way to generate service area in ArcGIS - No Network Analyst License

I am working on a project currently that relates to creating service areas for points across California based on streets. I created a python script that can take a point and create a buffer around ...
0
votes
1answer
111 views

What is the best method to snap features to road network?

I have a road network with some of my tract centroids and facilities that fall off of it, however I would like to execute my analyses so that all features are part of the road network? My facilities ...
0
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0answers
42 views

problems using GRASS v.net and v.net.allpairs

I am using GRASS 6.4.3, and I am trying to use it to do network analysis. I have a line shapefile and a point shapefile, and here is my code(I take v.net.allpairs as my reference): v.net tc_bf25 ...
0
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0answers
13 views

problems using v.net.allpairs

I am using GRASS 6.4.3, and I am trying v.net.allpairs to do network analysis. I have a line shapefile and a point shapefile, and after I use v.net.allpairs, I type the command d.vect network, and I ...
3
votes
1answer
129 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 ...
0
votes
2answers
161 views

arcgis 10.0 od matrix only solves A-A, B-B, C-C, not A-B, A-C, etc

I think I have a very noob question here. Using ArcGIS 10.0 and Network Analyst extension to create Origin-Destination Matrix. I have a shapefile of 120 points, and I want to create a matrix of ...
1
vote
0answers
26 views

Is there any help file to understand resource.xml of network Analyst?

I want to translate the direction result of network analyst to turkish. I surf in the interent and found i have to change resource.xml file . the file located in arcgis install directory ...
0
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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 ...
1
vote
2answers
62 views

Convert ArcGIS network dataset 10.1 to 10

I am using ArcMap 10 and have a network dataset made ​​with ArcGIS 10.1. I can not open the network dataset for the version of my Arcmap. Is there a tool or way to convert the network dataset from ...
0
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0answers
22 views

How can i increase network analyst performance in mobile?

I'd like to use network analyst in mobile. I use arcgis sdk for mobile.the problem is that i use url service for routing .I have a network analyst service in ArcGIS server and use it in mobile.routing ...
0
votes
1answer
52 views

How to force network analyst to use metero station?

I'm new to use multimodal network analyst .I use esri tutorial for multimodal network analyst.It was very interesting for me .What i need is that i want to force network analyst to use metero station ...