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Node Dangles

node dangles

In building our Enterprise GIS Database, we need to support users with different needs. Some of our users just need to see the data on a map while others may want to download a copy of the data so they can use it within their own desktop system. After doing some exploring, one of the options that looks like it will feel the bulk of our internal needs is to create a Map Service/Geodata Service pair–by creating a Map Service, we can make an easy-to-use visual representation of our data.
We finally installed an instance of ArcSDE 10 today. My first attempt at connecting in ArcCatalog 9.3.1 failed with the following error: Failed to connect to the specified server. This release of the GeoDatabase is either invalid or out of date. [Please run the ArcSDE setup utility using the -o install option.] DBMS table not found [sde.sde.GDB_Release]  Turns out the solution was simple, this article points out that Service pack 2 is required.
Since the name of the blog is Node Dangles, I get several hits daily from searches on ‘Node Dangles’ and I have no information on node dangles. This post is the first in a series to change that. First let us, by us, I mean ESRI, define what a node dangle is. Their online glossary actually defines a dangling arc, a dangling node is a node (endpoint of an arc) that does the non-connecting mentioned below: