[Page Upate] Road Elevation

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[Page Upate] Road Elevation

Postby Kinematic » Sat Dec 12, 2015 5:58 pm

Road Elevation could use an update since the release of the Seagull article. Speciffically #3: Considering that we are now and have been setting the elevation of Rail Roads to ground and maybe include a hyperlink to that section of Waze?
Last edited by Kinematic on Sat Dec 12, 2015 6:29 pm, edited 2 times in total.
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Re: Update to Road Elevation

Postby Fredo-p » Sat Dec 12, 2015 6:19 pm

Can you change the title to

[Page Upate] Road Elevation
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Re: [Page Upate] Road Elevation

Postby PesachZ » Sun Dec 13, 2015 1:22 am

Absolutely there should be some work on drafting an update. Any volunteers?

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Re: [Page Upate] Road Elevation

Postby Kinematic » Sun Dec 13, 2015 2:12 am

I don't have the expertise to be editing Wiki.


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Re: [Page Upate] Road Elevation

Postby PesachZ » Sun Dec 13, 2015 2:14 am

You can create draft text, we can make it fit the wiki syntax for you. We always need more people to help with the wiki. You don't have to be an expert.

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Re: [Page Upate] Road Elevation

Postby Fredo-p » Sun Dec 13, 2015 2:22 am

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Re: [Page Upate] Road Elevation

Postby Fredo-p » Sun Dec 13, 2015 2:39 am

What also needs to be mentioned is how to break up a bridge segment. Where do you put the nodes?

IMO, I belive the bridge itself should be when the elevation actually changes. This would give a true representation of the road. Not just the abutment.

So, instead of placing the nodes to break up the road like this:


I would do it like this:


If the overpass/bridge is in between two junctions, then leave the segment as is. No need to do anything else.
Example:
[ img ]
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Re: [Page Upate] Road Elevation

Postby PesachZ » Sun Dec 13, 2015 2:45 am

Fredo-p wrote:What also needs to be mentioned is how to break up a bridge segment. Where do you put the nodes?

IMO, I belive the bridge itself should be when the elevation actually changes. This would give a true representation of the road. Not just the abutment.

So, instead of placing the nodes to break up the road like this:


I would do it like this:


If the overpass/bridge is in between two junctions, then leave the segment as is. No need to do anything else.
Example:
[ img ]

This was discussed in the "seagull" page referenced in the OP, and listed as a direct quote from the devs. There it says the bridge is the part of road a seagull could fly under. Meaning only the portion with Free air below it, not the portion on raised ground.

Edit IMHO if the difference between where the bridge starts, and an existing junction is less than several meters, I'd leave it as is.
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Last edited by PesachZ on Sun Dec 13, 2015 2:49 am, edited 1 time in total.
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Re: [Page Upate] Road Elevation

Postby KC-Guardrail » Sun Dec 13, 2015 2:46 am

Except for the fact that a seagull can't fly under the approach, just the bridge itself.

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Re: [Page Upate] Road Elevation

Postby Fredo-p » Sun Dec 13, 2015 2:50 am

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.

When I see the word ground, I see ground level.

Those types of overpasses aren't natural. They had to be constructed. Which is why I consider it a part of the elevation. Now, if it was a road, on actual ground, that went over another road that was much lower in elevation, I would keep it to the abutment. Mapping just the structure alone isn't representing the real world.
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