usenet at tenhairypenguins.co.uk
Tue Jun 19 19:34:09 BST 2007
In article <200706192000.49433.adrian at frith.co.za>,
Adrian Frith <adrian at frith.co.za> wrote:
>On Tuesday 19 June 2007 19:11:37 Nick wrote:
>> In South Africa, the standard gauge is 3ft 6in but it is called "Cape
>> Gauge" or "Cap Gauge". "Standard Gauge" or "Stephenson Gauge" is always
>> 4ft 8.5in.
>Fair enough; my point is just that we must have enough data in the model to
>know, not only what the gauge of a railway is relative to "standard" 4' 8.5''
>gauge, but also what the gauge is relative to the prevailing mainline gauge
>in the region. To render the entire Southern African railway network
>as "narrow-gauge railway" simply because it is narrower than "standard" gauge
>would be very silly. (After all, only 60% of the world's railways are
Yes - this would be undesirable.
>So perhaps we need to analyse further *why* we might want to render
>narrow-gauge railways differently, and then add *that* data to the model?
>Maybe just a "railway=special_purpose" value?
So we are returning to the idea of railway=tourist which indicates a
stretch which is unconnected to the "main" network. So long as the
actual gauge is captured elsewhere I see no problem with that...
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