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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3
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1answer
268 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). ...
2
votes
1answer
260 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
1answer
82 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
vote
1answer
142 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 ...
1
vote
1answer
326 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 ...
4
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0answers
237 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 ...
4
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0answers
258 views

Is it a bad idea to use a geometric network for road editing?

I am producing a road map (for print and online). I was thinking of using creating a geometric network with my roads, for editing purposes mainly, but I would like to know any critical downsides of ...
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 ...
3
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0answers
112 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 ...
3
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0answers
205 views

Assign Sink ID to upstream features in a geometric network

Looking for a way to automatically assign an 8-character Sink ID to every upstream feature in a geometric network. There are over 500 sinks and about 5000 points and lines upstream from those sinks. ...
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 ...
2
votes
0answers
270 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 ...
2
votes
0answers
218 views

Bug in ArcGIS Spatial Adjustment with Geometric Networks?

I am trying to do spatial adjustment between two datasets as shown in the the figure below. The Pipe line(selected(green color)) is part of a Geometric Network. It has three vertices. When I ...
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vote
0answers
23 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?
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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 ...
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0answers
30 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 - ...
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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 ...
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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 ...
1
vote
0answers
107 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)?
1
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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 ...
1
vote
0answers
151 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 ...
1
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0answers
266 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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0answers
76 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 ...
1
vote
0answers
429 views

arcpy & TraceGeometricNetwork return ERROR 000584

I am developing a script to automate the creation of a road network following varying criteria. I have created a geometric network and I would like to get the connection between several points with ...
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vote
0answers
100 views

How to get partial polyline from stream trace?

I am creating SOE to do stream trace. That works fine. The geometric network only have NHD flowline. The problem is that tracing result return whole flow line. I am wondering if the result only return ...
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 ...
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0answers
32 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 ...
0
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0answers
32 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
44 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 ...
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 ...
0
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0answers
304 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 ...
0
votes
0answers
131 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 ...
0
votes
0answers
63 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 ...