An interconnected set of points and lines that represent possible routes from one location to another, OR in computing, a group of computers connected in order to share software, data, and peripheral devices, as in a local or wide area network.
2
votes
3answers
79 views
Render a map showing lots of individual traces/routes simultaneously
Google's "My places" is great for showing lots of traces (in my case, paths representing bike rides I've done). But it only shows 20 or so per page.
I'd really like a map (a statically rendered .png ...
3
votes
2answers
357 views
Does pgRouting support turn-by-turn routing?
I have route list as result of pgRouting with street names. How to get messages "Turn left", "Go along" etc ...
Can pgRouting do this or I need some other source and which?
1
vote
1answer
31 views
Merge Multipart Feature Line
I'd try to merge multipart feature line, but didn't work.
would you please teach me how to merge multipart feature line?
I work in version environmental and geometry network.
Regards,
0
votes
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 ...
4
votes
0answers
428 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
0answers
152 views
Three Dimensional Routing Input Location Errors and Questions, ArcGIS10
I am having a bit of a problem with my three dimensional route solving. I am creating an interior building network, and ideally would be routing from room to room. I created a line feature class, with ...
2
votes
0answers
53 views
How to join nodes to network lines ( and not the other points)
I'm trying to do a shortest path analysis on my network. In order to prepare the network and attach polygon centroids to the roads, I used GRASS' V.NET operation=connect. the problem with this ...
2
votes
0answers
76 views
Plot the Shortest Paths in a Grid without any clash at a point of time
The efficient algorithm needs to be done and proved for the best solution for the given problem:
User inputs: (#) Size of the NxN Grid. (N); (#) No. of Paths: Z; (#) Source and Destination ...
2
votes
0answers
197 views
How to create a service area using both streets and buslines in the same network?
Hello,
I want to create a network analysis more difficult. Therefore, I want to calculate a Service Area around hospitals next to busstops. But: The network does not only consist of roads and ...
1
vote
0answers
49 views
Map Matching? (Finding Nearest Roads…)
I am making Pedestrian Navigation System for my school
I created node and arc and digitized buildings with ArcGIS. Then, exported KML to use Javascript Dijkstra's Algorithm to find route.
So far, so ...
1
vote
0answers
38 views
Stopping the automatic snap to locator in Arcgis 10.0 reverse geocode
I built a network application using arcgis 10.0 sdk for wpf. The application uses a locator of highway milestones to reverse geocode (and identify) the "flag" the user clicked on the map.
My Problem ...
1
vote
0answers
84 views
how to set in arcgis network analysis that use every road segment max m times?
excuse me if my english ins't good. I have one incident and 120 facility. i wanna set criteria in Arcgis network analysis that if any road segment used for example m times, for other route doesn't use ...
1
vote
0answers
173 views
Open Network Dataset with ArcObjects SDK 10.0 .NET
I develop desktop standalone application and use this code to open Network Dataset, but it fails with HRESULT on datasetContainer3.get_DatasetByName().
public static ...
0
votes
0answers
26 views
GRASS - Creating an Attribute Based on Driving Distance
Is it possible to calculate the driving distance for each node of one layer (fire stations) to each node of another (address points)? After doing so, I need to sort all of the distances from shortest ...
0
votes
0answers
27 views
generate hydro network topology on a stream network
I want to generate hydro network topology on a stream network without calculating catchments and drainage points.
My initial data are a Line layer (river network) and a DEM10 and the target is to ...
0
votes
0answers
33 views
Creating transfer edges for a multimodal network
I am trying to create transfer edges for a network and what I have done is used the near tool to get XY coordinates for the closest rail segment, and repeated for the closest road segment to each of ...
