1
vote
0answers
47 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
votes
2answers
91 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 ...
0
votes
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 ...
0
votes
1answer
75 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 ...
1
vote
1answer
66 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 ...
0
votes
2answers
91 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 ...
1
vote
0answers
54 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 ...
0
votes
0answers
84 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 ...
1
vote
0answers
62 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 ...
0
votes
0answers
72 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
54 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 ...
1
vote
1answer
94 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
votes
2answers
112 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 ...
0
votes
0answers
41 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
vote
0answers
103 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 ...
4
votes
2answers
265 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
votes
1answer
132 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
0answers
160 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
0answers
161 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 ...
6
votes
1answer
3k 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 ...
4
votes
0answers
165 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 ...