The tools that produce a table does not produce edges AND nodes, only edges. For most work it is important to have the nodes and edges (queen) not just edges (rook)  
 
~ D


From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Peter H. Van Demark
Sent: Monday, June 19, 2006 11:58 AM
To: [email protected]
Subject: RE: [Maptitude] calculating spatial lags sums...

Dick:

>But be aware the the adjacency tool does rook only adjacencies, not
>queen, that is the tools that produce the table. Hopefully this has been
>fixed in 4.8 You can get queen adjacency but not with the tools that
>actually make a table.

Maptitude 4.7 and 4.8 both do the following adjacency methods (plus others):

- Intersecting: selects neighbors that touch along area edges or at the
nodes that bound the edges ("queen adjacency")

- Edge: selects neighbors that touch only along area edges ("rook adjacency")

- Only Node: selects neighbors that touch only at the nodes that bound the
edges ("bishop adjacency")

See the topic "Computing Adjacency" for more information.

Peter

----------------------------------------------------------
Peter H. Van Demark
Director of GIS Products and Training Phone: 617-527-4700
Caliper Corporation Fax: 617-527-5113
1172 Beacon Street E-mail: [EMAIL PROTECTED]com
Newton MA 02461-9926 Web site: http://www.caliper.com

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