Scale bars on online maps
Posted 04 November 2008 - 10:30 AM
Of course, as you zoom in closer to street-level detail, the scale bar becomes more accurate. However, when you first go to Google Maps, the "default" zoom level is way out at the continental level. So it seems to me a little more attention should be paid to the accuracy of the scale bar.
What would be a more accurate way for websites like these to indicate scale? Should they use a more complex graduated scale? Or would that be too much information? Should they continue using the simple scale bar, but maybe label it "scale at center of map"?
professionally: cartographics manager for Dex One
personally: cartophile and road-geek (my website)
Posted 04 November 2008 - 11:28 AM
Posted 04 November 2008 - 11:55 AM
I would argue that at resolutions where scale is significantly different at different parts of the display, there is no real reason to even present a scale. That presentation is meant more for navigating to areas of interest - which can also be done with a text search.
100% agree. I could see using a scale bar once you were at the county level, but beyond that it really doesnt mean much in this case. And if your'e concerned with distance, google provides that when you map a start and stop destination.
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