RE: [Maptitude] rook and bishop adjacency

Mon, 03 Apr 2006 10:31:33 -0700

Not when you need to make a table, the last option, right? 1st order is enough for queen.  I usually make a table with adjacency in one big operation, z.b., all the block group adjacencies in Pierce county but at 1st order where node adjacency is often very important, and 2nd order adjacency which does not require node adjacency, i.e. it is not as important.
 
Also it would be useful to be able to specify the name of the polygon other than the ID. Now I have to export it, make a cross walk with block group name and join them.
 
Dick H

From: [email protected] [mailto:[EMAIL PROTECTED] On Behalf Of Stewart Berry
Sent: Monday, April 03, 2006 6:50 AM
To: [email protected]
Subject: Re: [Maptitude] rook and bishop adjacency

Hi Richard:

The tool in Maptitude 4.7 computes first order adjacency by edge (rook), node (bishop), or both (queen). Do you need bishop adjacency to the nth order?

Stewart


At 08:42 AM 4/2/2006 -0700, you wrote:
Does anyone have an add-in which does adjacency as is done in Mapt 4.7 now but also includes the bishop adjacency as well as rook?  The jargon is: rook = polygons share an edge only.  bishop = polygons share only a point   for doing spatial statistical studies have both (queen) is very important.
 
thanks -
 
Richard E. Hoskins
 


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Stewart J. Berry (BSc, MSc)
GIS Specialist
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Fax: 617-527-5113
Caliper Corporation
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