LoRouter customization & warnings

[Menion]

I would like to introduce one major improvement we are preparing now.

Starting version
Test: Beta 4.18.2.2.
Production: 4.19.0?

Customization
We all know customization options for offline LoRouter & BRouter like "Wet conditions", "Avoid highways" etc.
Improvements we bring are the same options also for the online router + inner flexible system that will bring more customizations, firstly for online, later offline router.

Now we also introduce the first "Terrain tailor" parameter that allows customization of the required MTB track difficulty (currently only for online LoRouter).

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Please keep in mind, that I plan soon completely rewrite the screen with the setup of routers & routing parameters (screenshot above) so excuse UI & its usability for now.

Warnings
Because along the route, there are usually a lot of important and problematic places, the app will try to inform you about it. So now you may see these places as icons or cross-lines along the planned and saved route.

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Currently also only over the online LoRouter.

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This is the kind of feature that will never be done. There will always be something more to report or customize. We already have quite a long list of parameters we want to add there. Suggestions are of course welcome, but are not too important for now. Important is to have a working reliable system that is prepared for adding new parameters. Thanks for reading!

[freischneider]

The first test was bad for me. I set Smooth and then roted over a S2 trail. It took the S2 trail even though it could have taken an easier trail. and it didn't display a warning.

[freischneider]

What is behind the difficulties Smooth, Rolling, Varied....
It must be parameters from the OSM database. MTB Scale STS (S0-S5) or Imba (0-4)
If Smooth is S0 and Rolling S1 etc. then one should write a S0 or S1 in brackets behind it.
These are international units that every MTBer can use.
If no MTB Scale (STS) is maintained but an IMBA (30% of the cases). Then the IMBA should be used.
The most common translation is this
STS, IMBA
S0, IMBA0 Easiest (white circle)
S1, IMBA1 Easy (green circle)
S2, IMBA2 More Difficult (blue square),
S3, IMBA3 Very Difficult (black diamond)
S4, IMBA4 Extremely Difficult (double black diamond)

(S6 is not relevant)

https://www.openandromaps.org/oam-forums/topic/mtb-trail-imba-schweirigkeitsgrad

[balloni55]

for me this new slider is not displayed and when i click on the wrench > active profile > locus FC

[Andrew Heard]

for me this new slider is not displayed and when i click on the wrench > active profile > locus FC

me neither - I'm not sure where it is displayed. I also checked web planner.

[Menion]

@freischneider
thanks! This is on @Radim V as he is behind the main logic here.

@balloni55 & @Andrew Heard
"Tools" menu should not be visible for online setup, removed, thanks.
And visible slider > it is currently only for "MTB profile". But seems you see other ("is wet") parameters, good, so it should work.

[balloni55]

it is currently only for "MTB profile"

thank you, your screenshot with the red arrow which started at "Touring" was misleading

[T-mo]

Appreciate the step to customize profile-settings/parameters by using UI-controls.
For bicycle-profiles I would love to see a stick-to-cycle-routes option

See attached picture of online-router bicycle-road-profile.
It really puts me on the road, which I know, heavy traffic, somewhere where you don't want to drive. I prefer the given bicycle-lane   
Only choosed it for testing and result with touring-profile was different and less practical route through town, with road it is 99% my preferred route.

btw what do those crosses mean?

[freischneider]

The Cycling trip profile has the Steps allowed parameter. This should also be added for MTB.
I would add a slider here with 4 settings.
1. steps (stairs) not allowed
2. few steps (short steps) allowed
3. steps (stairs) downhill allowed
4. steps (stairs) uphill allowed

I would choose anything with less than 3 or 4 steps as short steps or few steps. If this is not specified in OSM, then less than 1.2 meters.
If a segment is actively selected or there is no other option, the router should still route this route and a warning Stairs is issued.
I would generally issue the Stairs warning even if Stairs allowed is selected.