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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5
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2answers
604 views

How to identify polylines with multiple end/starting points?

I'm looking for a way to programmatically identify polyline features which do not represent a 'simple' line from A to B but instead have several starting and/or end points. These are called complex ...
5
votes
1answer
2k views

Analyzing Flow direction in Geometric Networks in ArcGIS

I have a task in ArcGIS which involves using Geometric Network and right now I am experimenting with Set Flow direction function from Utility Network Analyst toolbar in ArcMap. I've read section Flow ...
5
votes
1answer
580 views

Geometric Network - Listening to network feature connection changes in the IObjectClassEvents::OnChange event

I need to be able to tell when a particular type of feature, that participates in a geometric network, is having its geometry automatically modified due to the geometric network. What i mean is that ...
5
votes
1answer
489 views

Where can I find High Quality Road Network Information

I am carrying out a research on how complex city road networks get and I need to get accurate map information. I started with openstreetmaps however I ran into a couple of issues: some of the dumps ...
4
votes
2answers
92 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 ...
4
votes
2answers
217 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 ...
4
votes
2answers
475 views

Unable to create a geometric network in a PostgreSQL Spatial Database Connection

I've created in ArcCatalog a Spatial Database Connection to an PostgreSQL database server. I've imported there all my data (from a local hard drive) and now I want to edit them. But apparently I ...
4
votes
0answers
159 views

How to assign attributes from hydrologic sinks to upstream features? [closed]

I have a large hydrology geometric network with more than 300 sinks and roughly 150 barriers. I'd like to have the SinkID added to the attributes of the barriers (some individual networks have a ...
3
votes
2answers
237 views

Can a Geometric network be hosted in a Spatial Data Service?

I'm wanting to deploy a geometric network to Sql Azure, where clients can trace through it. The Spatial Data Services Deployment Utility allows me to deploy each featureclass from a geometric network ...
3
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0answers
77 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 ...
2
votes
1answer
95 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 ...
2
votes
2answers
1k views

Automatic Watershed Delineation

I am trying to delineate watersheds automatically using Arcgis/Achydro. I got the drainage area contribution of stream segment (part of stream) as shown in figure stream. The corresponding drainage ...
2
votes
1answer
258 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 ...
2
votes
1answer
178 views

ArcGIS 10 (SP 3) - Geometric Network - which features are moved?

In ArcGIS 9.3 Geometric Network, you can select which features can be moved when snapping. In ArcGIS 10 (SP 3) this functionality has disappeared and you either choose to have snap tolerance or not. ...
2
votes
0answers
136 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. ...
1
vote
1answer
36 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 ...
1
vote
1answer
213 views

Can we create relationship classes based on a geometric network?

I have a point Feature Class and a polyline Feature class which I connected in a geometric network. I also need to connect them logically. In my theoretical model, an edge is defined by the two points ...
1
vote
1answer
35 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 ?
1
vote
1answer
309 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 ...
1
vote
1answer
43 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 ...
1
vote
1answer
56 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
vote
1answer
139 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. ...
1
vote
1answer
16 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. ...
1
vote
0answers
45 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 ...
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0answers
48 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 ...
1
vote
0answers
103 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 ...
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0answers
38 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
150 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 ...
1
vote
0answers
129 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 ...
1
vote
0answers
147 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 ...
0
votes
1answer
69 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.
0
votes
1answer
55 views

merge national hydrography dataset files

I'm having difficulty merging datafiles from the NHD while still keeping functionality as a geometric network. I'm using ArcGIS 10.1, so the USGS merge tool isn't an option. Using the medium ...
0
votes
1answer
98 views

Geometric Network Error

May I know where I made a mistake? I Already have to refer to the following link http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//003n0000000r000000 and I have also attached an ...
0
votes
1answer
119 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 ...
0
votes
0answers
18 views

Editor tracking on geometric network feture classes

Editor tracking is not working on my geometric netwotk feature classes.Although i enabled the editor tracking -dates and times are not recorded in layers while editing. Is it impossible ? or a ...
0
votes
0answers
36 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 ...
0
votes
0answers
40 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
32 views

Spatial references do not match when editing geometric network

I have been editing a geometric network. Since yesterday, one thing changed. I am now not able to edit the pipes in the geometric network. I get a "spatial references do not match" error. Nothing else ...
0
votes
0answers
30 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 ...
0
votes
1answer
76 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). ...
0
votes
0answers
65 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 ...
0
votes
0answers
74 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 ...
-1
votes
2answers
49 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 ...
-4
votes
2answers
54 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.