[OSM-talk] Distance to opacity (OT)

[Andy Robinson (blackadder-lists)]

Ian Dees wrote:
>Sent: 24 September 2009 9:35 PM
>To: Laurence Penney
>Cc: Talk OSM
>Subject: Re: [OSM-talk] Distance to opacity (OT)
>
>
>
>On Thu, Sep 24, 2009 at 3:24 PM, Laurence Penney <lorp at lorp.org> wrote:
>
>
>	Was "Re: [OSM-talk] Should Bridges be independent of their ways?"
>	>> Well, let's take this intersection:
>	>> http://maps.google.com/maps?f=q&ie=UTF8&layer=c&cbll=-
>26.124795,152.574151&panoid=H08s6qv1gLXcd8hGtNhvwg&cbp=12,333.55,,0,2.6&ll=
>-26.124704,152.574123&spn=0,359.996175&z=18
>
>	OT...
>
>	... but I couldn't help admiring the beauty of how the cursor
changes
>	from horizontal to vertical in this image. I'd seen it before, and
>	assumed it was based on where the horizon was - neat but not that
>	tricky. But no, this location, with a rocky wall close on one side
>and
>	open space on the other, demonstrates that the cursor knows about
>	distance to opacity! I can only assume Google grabs some info from
>the
>	stitching process, building 3D info to feed into the Street View UI.
>
>
>Their streetview cars also use LIDAR to get a depthmap as they drive.


And all way more interesting than the original thread ;-)

Cheers

Andy