[Page Upate] Road Elevation

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Re: [Page Upate] Road Elevation

Postby Fredo-p » Sun Dec 13, 2015 4:31 am

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Re: [Page Upate] Road Elevation

Postby Fredo-p » Sun Dec 13, 2015 6:34 pm

the1who wrote:In the end, elevation setting was never to be indicative of slope or grade change. You would not use elevation change to reflect the 6% grade change along I-17 between Phoenix and Flagstaff.


Fredo-p wrote:But that part of the road is also elevated. I'm not asking that any road that goes up in elevation be mapped. I'm saying that the ones that begin to rise and fall as a part of an overpass should be mapped in its entirety. That is mapping to real world.
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Re: [Page Upate] Road Elevation

Postby Fredo-p » Sun Dec 13, 2015 8:29 pm

The method that I am referring to gives a more realistic representation of the roads. Especially for visual reference.


HOWEVER, we still don't know how Waze plans to display this in the app. My assumption, especially with tunnels going to be shown, is that we could be looking at an angled 3D view update. This would physically show the bridges/overpasses. Mapping the way I described would show them perfectly.

If we can get waze to tell us how they will display, this would be easier to make. Also, I don't remember seeing any public discussion on this "seagull" method or champs saying it is the new law of the land and all must obey.
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Re: [Page Upate] Road Elevation

Postby Fredo-p » Mon Dec 14, 2015 4:33 am

Tunnel or bridge (+1)? That is a very narrow underpass.
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Re: [Page Upate] Road Elevation

Postby Fredo-p » Mon Dec 14, 2015 4:43 am

I need clarification.

What are the "Waze" definitions of

Overpass

Underpass

and how do you map each?
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Re: [Page Upate] Road Elevation

Postby Fredo-p » Tue Dec 15, 2015 3:04 am

So, based on the article the only way a road would ever get -1 or lower is if it actually goes underground (ie a tunnel)?
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Re: [Page Upate] Road Elevation

Postby Fredo-p » Thu Dec 17, 2015 7:58 pm

I forgot to post this from the SM HO.

For over/underpass, this is what we came up with


Overpass
When the road above changes in grade/elevation for the road below.
Underpass
When the road below changes elevation/grade for the road above, it's an underpass.

nzahn1 wrote:I don't know what you mean here.


He was referring to all freeways needing to be set to ground whenever possible.
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Re: [Page Upate] Road Elevation

Postby Fredo-p » Thu Dec 17, 2015 11:20 pm

CBenson wrote:I'm not understanding the purpose of this discussion. The wiki states that an elevation of -5 should be used for non-driveable segments. That statement is in conflict with the description of the railroad segment type. Thus, we should remove it.

I've made that change to Fredo's page: https://wiki.waze.com/wiki/User:Fredo-p/Elevation Why do we need to do anything else?


I think the issue is that it doesn't state what the negative elevation is for and when do use it.
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Re: [Page Upate] Road Elevation

Postby Fredo-p » Fri Dec 18, 2015 1:36 am

We're just now asking that? Shouldn't that have been one of the first questions to ask?
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Re: [Page Upate] Road Elevation

Postby Fredo-p » Fri Dec 18, 2015 2:12 am

The dash lines mean underground? I bet you if you polled as many waze users as you could, they wouldn't know what it meant nor care.
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