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 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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20 views

How can I convert electric utilities into water utilities?

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
46 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
43 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
71 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
97 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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0answers
29 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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0answers
38 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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19 views

File format to describe road network in text format (similar to KML)

I would like to know if there is some text file format similar to KML (collections of LineStrings, etc.), but describing the connectivity of a road network. Edges would be represented by polylines, ...
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59 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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59 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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200 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 ...
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2answers
268 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
46 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
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1answer
192 views

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

Further to my earlier question Is there any way to load data into GDB tables with relationship classes to composite data as geometric network with out making them simple first ? I have FGDB with few ...
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0answers
68 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 ...
3
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2answers
240 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
69 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
209 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
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0answers
134 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
14 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
75 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
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1answer
228 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
127 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
86 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
122 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
114 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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66 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 ...
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0answers
142 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
222 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 ...
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0answers
89 views

Network trace using attribute as a stop/barrier - ModelBuilder

I have two point datasets, one to be used as the flags(starting point) that i'll call dataset A and one as the barriers(stop point) that i'll call dataset B, in the trace(downstream) tool. In each of ...
2
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0answers
85 views

Alternative solution to ESRI's Geometric network for wet Infrastructure

I'll be glad for some help with "market research" on GIS for water pipes networks what are the differences between these solutions in compere to ESRIs geometric network GHydraulics WaterCAD V8i ...
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0answers
97 views

Dissolve a Geometric Network in ArcGIS

I have a geometric network of water mains in ArcGIS. It it composed of a line feature class. I would like to dissolve it based on whether line segments share common endpoints only. So basically ...
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1answer
74 views

Incremental network loader Error - Geometric netwotk QA

Trying to merge 2 geometric networks with Incremental network loader I got this error - How can I find this Closed polylines at my geometric network ?
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1answer
132 views

How to get started with mapping the flow of gas pipe network using GIS?

I'm looking for some specifications, whitepapers and any other related material about urban gas pipe networks in particular about geometric network rules that are special to gas flow.
4
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2answers
156 views

Summing volumes through a pipeline system

I need to fill a volume attribute for a pipeline system. Volume would come from a well at the end and I can easily start with a spatial join to get volume for all the line segments at the edge of the ...
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0answers
48 views

Need advice on how to use Select Junction by Edge Count at pythot script?

Is There a way to use the tool Select Junction by Edge Count (selecting all junctions (points) in a geometric network by the number of edges to which they connect) at Python script ? or can i use ...
1
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1answer
175 views

Shortest path to draw all polyline routes in geometric network without repeating

My problem is related to the "shortest path" problem, however it's slightly different in that I don't want to draw one path but to draw all paths without repeating any routes (as much as is possible). ...
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0answers
162 views

Geometric Network error in File Geodatabase<Network Dataset

I need to create a geometric network in my network dataset which resides within my file geodatabase. I have been receiving the following error: Cannot create geometric network. The selected feature ...
5
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2answers
246 views

How to check if Waste-Water Manhole connect to lines with the right flow direction?

I have a waste-water geometric network with flow direction throw digitize direction. I want to check if each manhole have a line flowing in and a line flowing out. Is there an attribute of line vertex ...
1
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0answers
179 views

Appending Data Into Existing Geometric Network

I"m currently interning at a telecommunication company and have been tasked with converting their CAD maps into their GIS telecom model. I've been using FME to translate the CAD data with great ...
1
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1answer
471 views

Error during reconcile: "The version could not be reconciled. Invalid network element id : Field is not editable

While reconciling a child version with the parent version, in a dataset containing Geometric network, the following error was noticed. Error during reconcile: "The version could not be reconciled. ...
3
votes
0answers
167 views

How to repair Geometric Network in Versioned ArcSDE Geodatabase?

Our Versioned ArcSDE workflow has a feature dataset with Geometric Network in the parent (Default), which users derive in their own versions. It is now observed that in some versions, the geometric ...
3
votes
1answer
150 views

How to set waste water gravitational flow direction using DEM automatically?

I have a Geometric Network of Waste Water and I need to set line digitize direction according to the gravitational flow direction using a DEM. I'm trying to avoid flipping manually 1000 Km of ...
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0answers
56 views

Deleting network features in python script doesn't create net junctions

I have a script that makes a copy of a network dataset for a 3rd party app to use. One of the junction feature classes causes problems with the app. The ideal solution would be to remove it from the ...
5
votes
2answers
345 views

What is the algorithm used by ESRI for finding loops in a geometric network?

I've been trying to develop some code for ArcMap (VB .net) that would take a river network, identify and label the loops. These loops can be simple bifurcations or highly thread braided channels. I ...
0
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1answer
146 views

Find the next vertices at the intersect line

I'm Trying to calculate the angle between two intersected lines at geometric network (simple edge)in order to check if the lines are close to be perpendicular. I already have an Array of the ...
2
votes
1answer
455 views

How to get a city road network as line segments?

I want to have road-network information of different cities(New York for example) in the format of line segments(i.e. every road is represented by segment(s)). I want this for experimental purposes in ...
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2answers
57 views

how can I find sDNA toolbox for arcgis?

I am working on spatial structure of the city and security. I need the sDNA Toolbox to add in gis toolboxes. please help.It is a real emergency.
1
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1answer
660 views

Determine use of pipes in a geometric network

I am trying to understand how to use the Geometric Networks in ArcGis 10.1 For the purpose of my experiment, I built a simple network composed of a few connected pipes, one source (left triangle) and ...