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<p>On 2017-04-06 14:33, Tom Pfeifer wrote:</p>
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<div class="pre" style="margin: 0; padding: 0; font-family: monospace"><span style="white-space: nowrap;">On 05.04.2017 23:42, Kevin Kenny wrote:</span>
<blockquote type="cite" style="padding: 0 0.4em; border-left: #1010ff 2px solid; margin: 0"><span style="white-space: nowrap;">On Wed, Apr 5, 2017 at 5:19 PM, Warin <<a href="mailto:61sundowner@gmail.com">61sundowner@gmail.com</a> <mailto:<a href="mailto:61sundowner@gmail.com">61sundowner@gmail.com</a>>> wrote:</span><br /><br /><span style="white-space: nowrap;"> Where the solid lines start have a separate way for each lane</span><br /><br /><span style="white-space: nowrap;"> this way routing engines will regard them as separate roads and stop trying to get you from one</span><br /><span style="white-space: nowrap;"> lane to another.</span><br /><br /><br /><span style="white-space: nowrap;">But then, won't routing engines announce that I have to turn left or right in order to take the left</span><br /><span style="white-space: nowrap;">or right lane? "Turn left onto Nott Terrace" when I'm already on Nott Terrace would be a pretty</span><br /><span style="white-space: nowrap;">confusing instruction. What am I missing?</span></blockquote>
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<div class="pre" style="margin: 0; padding: 0; font-family: monospace"><span style="white-space: nowrap;">Navigation systems take account of the angles when deciding what instructions to give. If a way splits with both</span></div>
<div class="pre" style="margin: 0; padding: 0; font-family: monospace"><span style="white-space: nowrap;">forks being nearly straight-on </span><span style="white-space: nowrap;">and with a small angle between them they will be saying "keep left/right" and not "turn left/right".</span></div>
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<div class="pre" style="margin: 0; padding: 0; font-family: monospace"><span style="white-space: nowrap;">Routing is distinct from navigation. Routing is mathematically choosing which lines to follow. Navigation is much more than that - it</span></div>
<div class="pre" style="margin: 0; padding: 0; font-family: monospace"><span style="white-space: nowrap;">is for the human, so it's about searching for locations, giving directions (based on the result of the "routing"), displaying maps etc.</span></div>
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<div class="pre" style="margin: 0; padding: 0; font-family: monospace"><span style="white-space: nowrap;">//colin</span></div>
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