Hi,
Sorry, but I haven't got a clue what R2, R3, RA or RRA might be.
Could someone refer to this in more standard network theory notation?
Thanks,
Rui
> -----Original Message-----
> From: [log in to unmask] [mailto:[log in to unmask]] On
> Behalf Of Nick Dalton
> Sent: 19 December 2005 12:47
> To: [log in to unmask]
> Subject: Re: [SPACESYNTAX] RA or RRA
>
> Hi the code in axman was designed to be output compatible with the
> fortran code. as a 'C' programmer I found it an odd switch ( and
> still do).
>
> People typically count from one (1,2,3,4) it's only C programmers (
> and their children) that count from 0. Fortran and Pascal (object
> pascal being the language of Axman) use 1 based indexs for arrays and
> so number systems. Everything also had to be compatible with the
> output of the social logic of space ( with the D value).
>
> Zero depth makes sense to me but non programmers got there first.
>
> so R2 = r3, r3=r4 and r2=r1, which can be said to eliminate a problem ( no
r1).
>
> Using R2 (ie old R3 )You may noticed more glitches in radius 2 due to
> poor micro-structure.
>
> sheep
>
> >Dear Lucas,
> >
> >Yes, this is the same in Depthmap: R2 is the equivalent of R3 in axman.
> >
> >I have always said that this makes sense: two steps away is to my
> >mind R2, not R3.
> >
> >As for handling low numbers of lines within (Depthmap's) radius two,
> >undefined values (nulls) are given in the (small number of) cases
> >where there are too few lines to calculate RRA.
> >
> >Alasdair
> >
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