Dermot McNally wrote: > >> It makes more >> sense to have maxspeed=<number><optional units; assume km/h if none >> specified> to avoid the chance of that happening. >> > > Doing so prevents simple numerical analysis of the field contents. > Nothing can be analysed without pre-processing, and you are very prone > to dodgy units (how many ways can you right Miles Per Hour?) > > > Any analysis requires the data to be preprocessed to extract it from the XML storage format, so a little extra to account for the suffix is a small overhead.
Conversions to 0dp is inaccurate, accurate conversions are a mess, namespacing allows for conflicting values so only an optional suffix really makes sense, so this why I use. Cheers, Chris (living on a street where maxspeed=30mph) _______________________________________________ talk mailing list talk@openstreetmap.org http://lists.openstreetmap.org/listinfo/talk
