A geometric network is a set of connected edges and junctions (nodes) along with connectivity rules that are used to represent and model the behavior of a common network infrastructure in the real world. Geodatabase feature classes are used as the data sources to define the geometric network. You ...

learn more… | top users | synonyms

1
vote
0answers
15 views

ArcGIS: Geometric Network, Service Areas? OD Cost Matrix?

With ArcGIS Desktop is it possible to run Service areas and OD cost matrix analysis on Geometric networks (ex:gas network)usi ng the network analyst extension?
1
vote
0answers
14 views

ArcCatelog 9.3 feature classes with annotation relationships allowed in a geometric network

I have a gas utility dataset that we are working on getting converted into a geometric network for easier analysis. The feature classes are part of an ArcSDE and have a ton of relationship classes ...
2
votes
1answer
53 views

Identifying flow of a Wastewater Network

I am trying to identify the flow path of a wastewater system. I am using Arcgis 10.3 and I have set up a geometric network system and identified the sources and the sink (sources = blue dots, sink = ...
0
votes
0answers
8 views

Network analysis in GRASS: dglShortestPath error: Head Node Not Found

I'm working with street networks in GRASS (v.7.0.0) and I'm trying to use the function v.net.iso and v.net.alloc based on an OSM street network with transport costs (travel times) calculated by my ...
1
vote
0answers
29 views

ArcGIS Geometric Network splits at junctions after editing route?

When I edit a Vertex of route (1) in my geometric Network, the route (2) which first was one route splits up in two routes at the junction. The m-Values from the Initial route are from 0.000 - ...
0
votes
0answers
29 views

Geometric Network Comparison with some other Geometric Network

How can I get report of geometric network rules in details. I want to compare geometric network rules with another geometric network to analyze the difference. In Geometrical Network I have plenty ...
3
votes
1answer
44 views

Importing / copying data from PostGIS to ArcGIS / ArcMAP

So, I'm working on a project using Postgresql and Postgis. We have a client using ArcGIS (10.0) and ArcFM. We are trying to export some data from postgres to ESRI, but we have our hands tied quite a ...
1
vote
0answers
29 views

How do I add all features of a Geometric Network to the the dataframe with one parameter in a custom tool that uses python? [closed]

I want to add all the Feature Classes of a Geometric Network to my data frame with python. I want the user to be able to select the dataset of their choosing in a tool, so it would use one parameter. ...
1
vote
1answer
57 views

Geodatabase topology and geometric network on the same data

I know that I can't have a topology and geometric network on the same data in the same dataset in ArcSDE. But is there any solution how to do this? I need geometric network for generating diagrams via ...
0
votes
0answers
30 views

Transcad Network file in Arcmap

Is there away to open a transcad network file (filename.net) in ArcMap without having access to Transcad? I just need to see the network links id and attributes.
0
votes
0answers
28 views

How can I get arcpy.TraceGeometricNetwork_management results? [duplicate]

I have geometric network and try to launch Python script with tracing gdb = "C:/Users/my_user/Documents/ArcGIS/gn/gn.gdb" gdb += "/gn/" geometric_net = gdb + "gn_Net" flags = gdb + "flags" ...
3
votes
1answer
59 views

Incremental Network Loader failing with ArcSDE Geometric Network

I've been testing the Incremental Network Loader tool for loading new lines into a geometric network from an outside feature class. The tool worked perfectly on a File GeoDatabase copy of our SDE. ...
2
votes
2answers
215 views

Trace Geometric Network won't execute in custom script tool

I'm trying to make a Python script tool which uses the Trace Geometric Network tool (10.3). My script works in the Python window, but as a script-tool, it runs and NOTHING HAPPENS. Messages state: ...
1
vote
0answers
20 views

Noding a network with grade separation - open source solution?

Various network data standards (such as those used by Open Street Map, pgrouting) employ "nodes for junctions, intersections for bridges/tunnels" rule. That is to say, links are considered ...
4
votes
1answer
76 views

Why can't I see v.net in QGIS GRASS tools

I have noticed answers such as Is there an open source tool to planarize graphs? stating you can use GRASS v.net from within QGIS. However I can't see it - my QGIS processing GRASS toolbox contains ...
2
votes
1answer
105 views

Accessing selected features in the sublayer output from tracing geometric network

I have a geometric network setup with stream lines and water users. I am trying to use arcpy to automate tracing downstream of each node/junction in my geometric network to get userIDs for all ...
2
votes
2answers
87 views

How to get FeatureClass or FeatureLayer from FeatureClassID?

I did a network analysis with ITraceFlowSolverGEN and the method FindFlowElements(). Then I did a queryId's with INetElements which returns the FeatureClassId and OID. Now I want to get the ...
1
vote
0answers
38 views

How to compare 2 geometric networks with arcgis 10.2.2

I'm trying to solve a issue by comparing 2 geometric networks with each other. We have a node base coax network, and I want to trace the production network per node and compare that to our new changed ...
4
votes
1answer
221 views

Calculating attribute for network distance between multiple points in ArcGIS Desktop?

There is a road network and two point feature classes. For one feature class, I need to calculate a field to hold road (not Euclidean!) distance from every point to a certain point in the other ...
4
votes
1answer
143 views

ArcGIS Geometric Network - Identify Indeterminate Flow

We have a geometric network with sewer pipes that have their flow direction based on digitized direction. Some of the pipes, however, have indeterminate flow. We would like to find all the pipes ...
0
votes
0answers
17 views

Unreachable edge by attributes [duplicate]

I have a line network with attribute "Navigable", if value is "1" it is navigable, if "0" it is not navigable. I discovered that I have edges with value "1" that can only be accessed by edges with ...
1
vote
1answer
122 views

Finding distance up geometric network?

I have successfully been using the trace upstream in ArcGIS with 10,000+ points as flags to find what polygons are upstream (using a select of the polygons than intersect the upstream trace). Now I ...
0
votes
0answers
42 views

Using ModelBuilder to analyze pole inspection data?

I work for an electric company and am looking to do some analyzing on some pole (point) inspection data. I have some lines that are part of a geometric network and some points that are not part of the ...
1
vote
2answers
157 views

Implementing Trace Geometric Network into Model Builder

I would like to use Trace Geometric Network in model builder with the option to have a model parameter for the flags (like the flags I add from Utility Network Analyst Toolbar) and return the results ...
2
votes
0answers
302 views

Accessing results of trace geometric network tool in Python AddIn? [closed]

I'm attempting to write a python addin to ArcGIS that will carry out numerous traces on a geometric network using user specified flags/barriers. The first trace works fine and I'm able to access the ...
2
votes
1answer
96 views

Calculate upstream path

I have a river geometric network built that is fully operational with flow direction working. In ArcMAP when I trace upstream I get a selected feature that I can convert into a feature class (Data > ...
1
vote
1answer
191 views

Geometric Network Find Upstream

I am New to Geometric Networks. I need to build a river network and find all locations (polygons) upstream. This is the template I am trying to use. I have my rivers with to and from node and the ...
1
vote
3answers
171 views

Using weight in geometric network to Find Path Upstream

I have a problem about using weights in geometric network in ArcGIS Desktop 10.2. In the example below, I have a simple network with a source & some junctions. I'm trying to use the Find Path ...
2
votes
2answers
143 views

Pipeline connectivity

I'm trying to find a way to determine pipeline connections located downstream a critical facility and score how far those connections are from the facility. Any Thoughts?
1
vote
1answer
139 views

Geometric Network Downstream River Tracing?

I'm using ArcGIS 10.2 Desktop and I need to trace downstream on a river network from a Discharge point to another point where the river intersects polygons of interest. The distance from each ...
0
votes
1answer
94 views

How to make list of nodes at end points of polylines that connect them to others using ArcGIS for Desktop?

I have a sewer network represented as a connected pipelines in a GIS shapefile. the network is very close to a tree graph that each node is only connected with one or two nodes. I need to ...
0
votes
2answers
216 views

How to add barriers and flag to geometric network through code

I'm developing an ArcMap add-in that will run a trace against a water main that the user has selected using the selection tool. The geometric network is already defined and I can run the trace by ...
2
votes
0answers
46 views

How can I convert electric utilities into water utilities? [closed]

I have GIS information for transmission lines, substations, and power generation facilities. I was able to import it into ArcGIS easily and create a geometric network. However, I'd really like to have ...
0
votes
1answer
139 views

How do I export a line shapefile from a network downstream from a point in ArcGIS 10.1?

I'm using the National Hydrological Dataset's flow lines to trace downstream movement of water is a freshwater diversion from the Mississippi river in Louisiana. I've gotten the trace to run using ...
0
votes
1answer
158 views

Geometric Network Build Error

I'm trying to create a geometric network of pipes, sewer structures (points) and manholes (points) inside a of an SDE. I can create the network in a file geodatabase but when I try creating it inside ...
1
vote
1answer
180 views

Unable to create geometric network. Feature classes unavailable

When I try to create a geometric network 4 of my 9 feature classes are 'unavailable'. When I click on the 'unavailable' button it states that each feature class has an 'Invalid 'Enabled' field type' ...
2
votes
1answer
257 views

Generate new geometric network from intersection between curent network and polygons

I have generated a stream network using the "Strea Reach and Watershed" tool from the TauDEM toolbox. Within the stream reach dataset there are fields that give an ID to the stream segment and ...
2
votes
0answers
50 views

Selecting elements from network with shortest path in QGIS?

I have a network of vector elements (let´s say 70 elements) that are connected in each node. Actually, it is a pipe network built with the help of GHydraulics ...
0
votes
0answers
55 views

Algorithm to scan a road network geometry using directions service

Let's suppose there's a Directions Service which, given a pair of points, returns the geometry, along the network, which best connects those points (which are previously projected - "snapped" - to the ...
2
votes
1answer
151 views

Esri Geometric Network - Error Code 18 (unknown)

We have created a geometric network in a Personal Geodatabase with ArcGIS 10.2.2 for Desktop. Each time we are getting an error code of 18 on a particular point feature. As you can see here, there ...
1
vote
0answers
106 views

GeoJSON to routing graph

What are the best automated ways of placing the nodes and edges of a routing graph using the GeoJSON data of a multi-level building? What other data is needed (area layout, accessor directions etc)?
3
votes
0answers
528 views

Geometric Network for Electric Utilities? [closed]

I'm not expert in the use of geometric networks nor in Python scripting and I need help with the following problem. I'm using ArcGIS 10.0. I have defined a geometric network for an electric ...
6
votes
2answers
1k views

Assign point IDs to respective start and end attributes of a polyline

I have two shapefiles, Point and Polyline. I'm trying to populate my polyline layer with the point data ID (systemID) where the lines start to where they end; eg. create two columns (from and to). The ...
1
vote
1answer
73 views

How do I apply selected features from a output group layer to the same existing group layer?

I am doing a geometric network project, and am running 3 trace process within a model to find connected features to a set location on the network. Each trace function wants to output its own group ...
2
votes
1answer
783 views

How load data into file geodatabase tables with relationship classes to non simple data?

Further to my earlier question (Loading data into file geodatabase without rebuilding relationship classes manually?), is there any way to load data into GDB tables with relationship classes to ...
1
vote
0answers
79 views

Determining uppermost point in stream based on gradients?

I am trying something new and was hoping someone out there may have done this same process or something similar or may have a best approach. For this particular project I am working with ArcMap ...
4
votes
2answers
395 views

Automate Naming of Stormwater Network (Geometric network)

We have a geometric network representing our stormwater network. For anyone unfamiliar with stormwater drainage networks, they are composed of pipes and pits (simplified for this question). Pits are ...
3
votes
0answers
82 views

How to find the minimum number of inspection points?

I am working on a pipeline inspection project and there is a high liklihood that some inspection tool deployment/retrival station will need to be installed on the pipe network. the problem is ...
0
votes
0answers
301 views

Show Geometric Network Topology data in the web

I am trying to locate any API's for JavaScript (or other) that will help me to display current linear Geometric Network Topology and add multiple point/line geometry from JSON in HTML/JS. I ...
2
votes
0answers
268 views

Collapse dual carriageway lines in PostGIS

I have OpenStreetMap data, which represents larger roads (e.g. dual carriageways, aka divided highways) as parallel lines. The question is answered for ArcGIS or Skeletron here, for example using ...