<html><head><meta http-equiv="Content-Type" content="text/html charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div><br></div><div>the current implemenation does no grouping of signals.</div><div><br></div><div>maybe you already know this, but it's not enough to just insert a node at the right position - it needs to be part of the way.</div><div>it's possible that you can insert several nodes (as part of a way) on the same coordinate, although that would lead to segment with length zero. you will have to see if that breaks something.</div><div><br></div><div>emil</div><div><br></div><br><div><div>On Apr 16, 2013, at 23:31 , Jeffrey Mealo <<a href="mailto:jmealo@stringtheoryschools.com">jmealo@stringtheoryschools.com</a>> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite">Hello,<div><br>I was wondering if I insert multiple traffic signal nodes at the same coordinates to indicate that multiple crimes occurred there. Would that incur n number of penalties, or, would it only incur one since they have the same coordinates?</div>
<div><br></div><div>Workflow:</div><div><ol><li>Reduce 609,000 crimes to 203,000 unique points</li><li>I call /nearest via OSRM's REST API to "snap" each unique point to the road network</li><li>Generate an OSM change set that specifies a traffic signal node for each of the 603,000 crimes, using the "snapped" coordinates</li>
</ol></div><div>I would like to weigh the traffic signal using tags according to how many crimes; but it looks like that's a todo.</div><div><br></div><div>Regards,</div><div><br></div><div><div><div>Jeffrey Mealo</div>
<div>SafestWay</div></div>
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