On 18.12.2013 11:49, Stoppa, Igor wrote:
IVI should just get the post processed values over CAN bus and make sure that any virtual needle or similar widget is rendered smoothly and conveys the feeling of lots of horsepower under the hood. That's what most customers pay for anyway, also with traditional dashboards =p
For reactive virtual needle movements without feeling lag needs fairly high update rate even though you interpolate for 60 fps update. My motorcycle's engine takes little bit over 1 second to rev from 1000 rpm idle to 13000 rpm red line...
The new one I'm planning to buy takes 7 seconds 0-200 km/h acceleration, so speedo needs to be quite reactive too... ;) One second lag is enough to exceed speed limit to amount to get driving license on hold. :)
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