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[mkgmap-dev] [PATCH] Inter-Tile routing - alpha code for testing

From Robert Vollmert rvollmert-lists at gmx.net on Wed Feb 18 07:44:54 GMT 2009

On Feb 17, 2009, at 22:43, Mark Burton wrote:
> I have done what you suggested and, at first glance, the NodDisplay
> output looks reasonable. Here's a typical NOD1 node:
>
>         |        |                         | New node
> 00000329 | 0002ea | 1e                      | low 1e
> 0000032a | 0002eb | 4c                      | Flags 4c
>         |        |                         | : boundry-node
> 0000032b | 0002ec | 30 0b 11                | longitude 11.20605
>         |        |                         | latitude 48.30191
> 0000032e | 0002ef | 79                      | alt6 byte 79
>         |        |                         | newdir 0, extra 38,  
> destclass 1
>         |        |                         |   sign true
> 0000032f | 0002f0 | bd dd                   | last one
>         |        |                         | pointer to another node  
> fddd
>         |        |                         |  -> node c7
> 00000331 | 0002f2 | 10                      | pointer to local net  
> index 16
> 00000332 | 0002f3 | 94 02                   | length 148
> 00000334 | 0002f5 | 65                      | direction 142 degrees
>         |        |                         | ------
>
> I know nothing about this encoding so this may be completely stupid  
> but I
> notice that it says 'last one'. I'm guessing that this means it's  
> the last
> node in the way but should that be asserted for a boundary node?

No, "last one" just means that the following link is the last one from  
this node (there is just one in this case). That output looks fine.

Is there also an entry for this node in NOD3? It should point to  
0002ea and have the same longitude/latitude.

Cheers
Robert




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