Routing consists of finding optimal paths along geographic networks such as roads or trail systems.
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24 views
Design a routing system
I am trying to develop an application that builds a route based on points of interest, basically it should show the route and the points of interest and when the user clicks it will display some kind ...
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2answers
37 views
How to get a feature that lies closest to a point in openlayers?
Im trying to perform routing with openlayers, geoserver and mysql. In order to get the start and end points, I need to be able to get a feature of the node layer (which has point features) that lies ...
3
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1answer
53 views
Calculating distance and/or time taken to travel from population centre to nearest hospital in QGIS
I'm trying to find out how long it would take to travel by car from each of the Lower Layer Super Output Areas (LSOA) in Norfolk, England to the nearest Hospital (or just what the distance is and I ...
4
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2answers
95 views
Join two lines in one line
I have an array of Lines and I am using it to draw vectors in my map.
I want to replace two superposed Lines (or have short distance between them) with one Line.
Here is a picture that helps you to ...
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1answer
57 views
How to clip roads to exclude those within a flood zone?
I have OSM road network data in QGIS along with a shapefile showing the possible extent of a flood.
My question is: is it possible to exclude all of the roads that are in the flood zone (so as to ...
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2answers
75 views
Emergency Services: How to optimize routing by measured travel time?
I would like to optimize the service areas / catchment areas for an emergency service. Therefore, I have several measurement points on the streetmap, where people have stopped the travel time from ...
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0answers
22 views
travel survey multi stop routing problem
I have a travel diary survey dataset that I am attempting to transform into more useful information. Currently, the data comes in the format of:
Survey# , PlaceVisited#, TravelMode, TripPurpose, ...
4
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1answer
134 views
Russian GIS Data
Which companies are the best suppliers of vector, geocoding, imagery, and POI data in Russia? Which companies provide a complete service (which includes the above data types and also routing, ...
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1answer
150 views
Need to get the ArcGIS Runtime SDK for WPF Routing example to work with my gpk and mpk
I went through the following two examples to get an idea of how to create a custom, local Routing Task
This is a walkthrough that takes you step by step through the creation of your first routing ...
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1answer
246 views
How to generate all possible routes between two points?
I have a network dataset in ArcGIS and I need to generate all possible (not only the shortest one) routes between two given points (A, B). Is it possible to do it with the Network Analyst? Or with any ...
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4answers
844 views
How to route on OSM without using any already released routing engine?
i'm a computer science student and a complete beginner in GIS and stuff. i'm trying create my own web-based multi-modal journey planner as my thesis. And as it is a thesis i cant use any ready-made ...
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1answer
28 views
Will osm2po or other tools simplify links between nodes?
To make this clearer, I'm going to use the the word "section" to mean a length of road between two junctions/intersections.
I think it is true that osm2po (under default user options) creates a graph ...
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1answer
48 views
Displaying Highrise Delivery Routes
I have a geocoded address table for High Rise buildings in New York. If i'm trying to map delivery routes to a number of these locations, what would be the best and most clear way to display the ...
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0answers
44 views
Looking for best practice to connect multiple road vector line layers for routing (pgRouting) purposes
The Data I have:
Bridges (line layer)
Municipal_roads (line layer and does not include information in Bridges)
State_roads (line layer that doesn't include Municipal_roads or Bridges)
Question:
...
5
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5answers
340 views
Improve performances on distance coverage routing - PostgreSQL
I have to create layers of land coverage from one point to anywhere around on a given street network for a given distance (ex: FROM house, DISTANCE 30000m)
An important factor to understand; I need ...
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1answer
159 views
Creating routable network table in PostGIS
I am trying to create the routable network table, as per http://underdark.wordpress.com/2011/02/07/a-beginners-guide-to-pgrouting/. Everytime I do it in PostGIS extension, QGIS crashes. The area is no ...
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3answers
1k views
How to emulate Google Maps driving directions using pgRouting?
Would like to emulate google maps' driving directions functionality but use pgRouting instead. google's data over the project area & scale is quite a bit off so we want to use our own transport ...
8
votes
1answer
202 views
How to convert a track of points into walking directions?
Imagine you have a list of points (latitude + longitude) you have previously recorded with a GPS receiver. Now, you need to convert it to a textual representation of the route you followed. Example:
...
2
votes
2answers
83 views
How to route railcars along railroads?
I'm very new to the world of GIS, but I'm learning a great deal from this site, as well as others. I fell like this should be 'easy' but I need to be pointed in the right direction. I'm trying to ...
4
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0answers
429 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
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0answers
268 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 ...
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1answer
101 views
How to get route between Two lat/long using ArcGis Map in Android?
What I'm trying to do is have two edit boxes for source and destination. Based on those two locations I need to draw the route on an ArcGIS map in Android. Any ideas or suggestions would be greatly ...
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1answer
110 views
Finding intermediate points and speed over a segment
I have a dataset which is in the form of ( Time , Car ID, Speed at that moment, Lat,Long) and I need to do some machine learning on the data to answer the following questions :
Best route from ...
2
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0answers
48 views
Get Multiple Shortest Path using PgRouting in One Query
I am trying to get multiple shortest path using A* Algorithm available in PgRouting.
I referred Solution given by UnderDark ( Link of the Stakoverflow Post ) . But it is not giving me proper Output.
...
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0answers
102 views
Driving directions and multi-modal route planning service for a city with OpenStreetMap data
First off I'd like to mention that I've never come close to anything-GIS until a few weeks ago when I thought of this. So please expect some layman's questions. I'm looking to create driving ...
5
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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 ...
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0answers
61 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 ...
2
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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 ...
0
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0answers
31 views
Which map provider offers information about restriction maneuvers for Venezuela?
I need to add turn restriction to my application. However, my map provider (Navteq) don't have this one for Venezuela and other countries.What other map provider could have this information?
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0answers
29 views
How to find dijkstra's shortest path in OpenLayers [duplicate]
I have just hard coded the routes and calculating distance for each node from the source node, but I could not find the shortest path . I am just trying to move or find the nodes of a LineString by ...
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0answers
73 views
How to add geocoder and routing options in geoexplorer in Opengeo suite 3.0.1?
I am using Opengeo suite 3.0.1 and was wanted to know if there is a way to add a geocoding and routing options using osm. Basically, I am trying to add text boxes (one for start point and one for end ...
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1answer
427 views
CloudMade Routing with Leaflet: route is not displayed
I am trying to consume the CloudMade routing API using Leaflet.
So far, I have managed to pass points and receive a response, and parse that response into an array of points. The array of points is ...
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2answers
119 views
Network Analyst not working
I have network analyst installed as an extension in my arcGIS 9.3, but it just does not work!!! when I go to ArcCatalog, the option of new network data set also does not appear... :( I have to do this ...
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2answers
1k views
How to convert OSM Data to PostgreSQL for Routing Purposes?
I'm creating a routing application using OpenStreetMap. Currently, my task is to convert the data from an OSM file to PostgreSQL.
I read about osm2pgsql, but the problem is it says there that ...
6
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0answers
58 views
Looking for examples of pedestrian-specific routing engines
Most of the applications providing pedestrian routing I see are sufficient for many needs but not optimal: you cannot cross open spaces like town squares, routing is in the middle of the street etc.
...
2
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1answer
99 views
QGIS Routing between two Points without Roads
I'm using QGIS 1.8 and i need to analyze possible routes for roman roads. Is there a Possibility to show routes which comply special criteria, e.g. straightest way between two points, or path which is ...
4
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2answers
899 views
tool to find the routing distance between two latitude/longitude points using OSM data
I need a tool to find the distance between two points whose longitude and latitude are given. I am making an application so it will require bulk queries, so i cannot use google maps distance matrix ...
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58 views
ST_intersects and shortest_path to optimize routing in respect to (de-)acceleration
Is there a way to consider a more complex cost field in the PG_Routing algorithm?
I am currently trying to get more realistic routing costs. I have a map based on the German ATKIS standard with road ...
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3answers
4k views
Are there newer routing algorithms (than Dijkstra, A*) in GIS databases?
There are works like Reach for A* from Microsoft researchers and Highway Hierarchies by Sanders and Schtolz (if I spell the name correctly) from Karlsruhe Uni. Both of them reduce the calculations ...
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0answers
486 views
How to create a routable road network from Ordnance Survey data?
I've been following the "Beginners Guide to pgRouting" in an attempt to create an in-house application that provides drive-time isochrones.
I have a server, postgreSQL and PostGIS and pgRouting - no ...
2
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2answers
96 views
Is it possible to get the points used for the convex hull in osm2po?
I have a non-convex hull algorithm that I want to use for an app. With OSM2PO, it's possible to get a convexHull, but is there a way to get the points before the hull is constructed?
More, it would ...
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 ...
3
votes
3answers
402 views
How do I apply Dijkstra's algorithm in Python with PostGIS data?
I have currently parsed OSM data, from a PBF file, into a pgRouting database with the use of osm2po, an excellent parsing tool. I don't however want to use the algorithms provided by pgRouting and ...
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0answers
153 views
Polygon radius route drawing in gmap
I am able to draw polygon well on google map. The issue now is that we need to draw box polygon on road with radius from the center of the road to left and right say 50 meters. What is the best ...
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vote
1answer
100 views
calculate costs based on way difficulty
I am using Osm2Po to find routes between two points.
I am trying to find routes based on the difficulty specified by the user.
Basically, I would like to calculate the cost based on some parameter ...
2
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1answer
223 views
Can I get time & distance from OSM2PO without loading data into PostgreSQL?
Can I get time and distance from OSM2PO routing without loading the data into PostgreSQL? I've seen the answer regarding matching IDs with the DB, but I need to do this using only the OSM2PO service.
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7answers
5k views
Creating drive time polygons using open source tools
Is anyone using open source tools and/or data to generate drive time polygons that radiate out from a given location? For example, I have used ESRI products like Network Analyst and Business Analyst ...
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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 ...
8
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2answers
270 views
How to calculate heuristic shooting star algorithm?
I have a problem with the shooting star algorithm. It's my final project and I need some help.
My question is how can I calculate the heuristic shooting star algorithm?
I can use the pgrouting ...
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2answers
158 views
How to create a routing application with ArcGIS Server?
I have the task to find out what is necessary to build a routing application using ArcGIS Server. I am not a GIS beginner, but have had no experience with ArcGIS Server. As this project is at the ...
