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 ...

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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" ...
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1answer
41 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. ...
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2answers
111 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: ...
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19 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 ...
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1answer
43 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 ...
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1answer
63 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 ...
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2answers
70 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 ...
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33 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 ...
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1answer
112 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 ...
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1answer
102 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 ...
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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 ...
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1answer
91 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 ...
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35 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 ...
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2answers
108 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 ...
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0answers
212 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 ...
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1answer
81 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 > ...
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1answer
155 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 ...
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3answers
147 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 ...
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2answers
127 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?
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1answer
125 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 ...
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1answer
88 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 ...
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2answers
181 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 ...
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0answers
44 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 ...
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1answer
117 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 ...
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1answer
134 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 ...
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1answer
147 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' ...
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1answer
202 views

Generate new geometric network from intersection between curent network and polygons

Ok I've been battling this one for a little while. I have generated a stream network using the "Strea Reach and Watershed" tool from the TauDEM toolbox. Within the stream reach dataset there are ...
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46 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 ...
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53 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 ...
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1answer
126 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 ...
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98 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)?
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0answers
446 views

Geometric Network for Electric Utilities

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 ...
4
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2answers
905 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 ...
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1answer
69 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 ...
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1answer
563 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 ...
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0answers
76 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
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2answers
353 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
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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 ...
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0answers
283 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 ...
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0answers
234 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 ...
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0answers
18 views

Integrating polygons into geometric networks [duplicate]

I am new to the whole network analysis side of ArcGIS and was wondering if there was a way to create a geometric network that was able to incorporate polygon features? I am wanting to do an upstream ...
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2answers
103 views

Identify circuits/loops in GPS track data

This question will be naive and uneducated, but I gotta start my research somewhere, so I'll ask for references and pointers... Let's say you have a GPS time series with a set of lat/long coordinates ...
4
votes
1answer
331 views

PostGIS table to network analysis

I use PostGIS 2.0 and Python API (GeoAlchemy) to work with it. I want to convert topological informations (points, lines, faces) from PostGIS tables to topological network (points, lines) to study it ...
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1answer
175 views

Certain points cause Trace Geometric Network tool to crash

Using ArcGIS Desktop 10.2.1. I have a set of about 600 points that I’m using as the flag input on the trace geometric network tool. Every time I ran the tool with these points, it crashes, along ...
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1answer
99 views

How to create a barrier feature class to use in a geometric network?

I am working with the NHD and need to isolate stream segments upstream of barriers. I have too many barriers (thousands) to do this manually using the Geometric Network barrier tool on the toolbar. ...
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1answer
167 views

Stream Trace to Select Attributes

I'm trying to work on a school project, but I only need streams up stream from a certain point. As you can see in the picture, I've run the stream trace tool upstream from a point i've created. I'm ...
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2answers
171 views

Is editing geometric network in versioned geodatabase any different from when such data is stored elsewhere?

I need to work on "Checked Out" version of a geodatabase, editing geometric networks. What will be the difference in terms of the working process of the editor ?-do i need to use some special toolbars ...
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1answer
81 views

Editor tracking on geometric network feature classes

Editor tracking is not working on my geometric network feature classes. Although I enabled the editor tracking - dates and times are not recorded in layers while editing. Is it impossible? or a ...
1
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1answer
268 views

from node to node geometric network arcgis

this is my first question here. ('cause i'm really jammed with this for severals days!) I'm really new to geometric network and geodatabase, I basically finished all the arcgis tutorial. Anyway I ...
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1answer
594 views

How to build, store and index a road network from a digital city map

I'm totally new to this domain so my question may sound like a little bit silly…… I'm eager to know how to extract, store and index the coordinates of the road segments(edges) and intersections or ...