[gurps] Building a VehicleML

[Zan Lynx]

Onno Meyer wrote:

>> all <size>/<aspeed> and like need a measurement attribute
>> <size measurement="USinch" >123x82x30</size>
> 
> If it is not interpreted as text field, we should also 
> make it length/width/height.
> 
>> <aspeed measurement="USmph">2,360</aspeed>

How about:
<speed medium="air" value="2360" units="miles/hour"/>
<acceleration medium="air" direction="forward" value="2" units="g"/>
<acceleration medium="air" direction="backward" value="6" units="g"/>

It's a kind of toss-up between putting the value as an element attribute 
or as a text node of its own.   Opinions differ.

It could be like this instead:
<medium type="air">
   <speed .../>
   <accel .../>
</medium>

Or:
<medium>
   <air>
     <speed .../>
     <accel .../>
   </air>
   <space>
     ...
   </space>
</medium>

Or:
<motion>
   <forward>
     <speed />
     <accel />
   </forward>
   <backward>
     <speed />
     <accel />
   </backward>
   <pitch>
     <speed />
     <accel />
   </pitch>
   <roll>
     <speed />
     <accel />
   </roll>
   <yaw>
     <speed />
     <accel />
   </yaw>
</motion>

Or replace forward,backward,pitch,roll with x,y,z ax,ay,az.
Or even replace speed and accel with Δx,Δy,Δz, ΔΔx,ΔΔy,ΔΔz.

Yes, XML lets you use Unicode characters anywhere that you like. :-)
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-- 
Zan Lynx
zlynx at acm.org

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