Problem with avoid_polygons

openrouteservice
1

Hello, i don’t understand the return of the API :

In this case, no problem

04:01:2022 Capture d’écran 2022-04-01 à 13.30.54
04:01:2022 Capture d’écran 2022-04-01 à 13.30.54778×1000 201 KB

{"coordinates":[[5.556051,45.153676],[5.560765,45.147081]],"elevation":true,"instructions":false}

But i want route from the end to the begin of this track, so i use avoid_polygons with rectangles along (draw in red).

04:01:2022 Capture d’écran 2022-04-01 à 13.17.18
04:01:2022 Capture d’écran 2022-04-01 à 13.17.18623×1000 269 KB

https://api.openrouteservice.org/v2/directions/foot-hiking/geojson
{"coordinates":[[5.556051,45.153676],[5.560765,45.147081]],"elevation":true,"instructions":false,"options":{"avoid_polygons":{"type":"MultiPolygon","coordinates":[[[[5.556546,45.153321000000005],[5.5567459999999995,45.153321000000005],[5.5567459999999995,45.153121],[5.556546,45.153121],[5.556546,45.153321000000005]]],[[[5.55741,45.153378000000004],[5.5576099999999995,45.153378000000004],[5.5576099999999995,45.153178],[5.55741,45.153178],[5.55741,45.153378000000004]]],[[[5.558247000000001,45.153238],[5.558447,45.153238],[5.558447,45.153037999999995],[5.558247000000001,45.153037999999995],[5.558247000000001,45.153238]]],[[[5.558918,45.152680000000004],[5.559118,45.152680000000004],[5.559118,45.15248],[5.558918,45.15248],[5.558918,45.152680000000004]]],[[[5.5600760000000005,45.152103000000004],[5.560276,45.152103000000004],[5.560276,45.151903],[5.5600760000000005,45.151903],[5.5600760000000005,45.152103000000004]]],[[[5.560817,45.151518],[5.561017,45.151518],[5.561017,45.151317999999996],[5.560817,45.151317999999996],[5.560817,45.151518]]],[[[5.561079,45.151142],[5.561279,45.151142],[5.561279,45.15094199999999],[5.561079,45.15094199999999],[5.561079,45.151142]]],[[[5.560261000000001,45.151072000000006],[5.560461,45.151072000000006],[5.560461,45.150872],[5.560261000000001,45.150872],[5.560261000000001,45.151072000000006]]],[[[5.560725000000001,45.15079],[5.560925,45.15079],[5.560925,45.150589999999994],[5.560725000000001,45.150589999999994],[5.560725000000001,45.15079]]],[[[5.560350000000001,45.150347000000004],[5.56055,45.150347000000004],[5.56055,45.150147],[5.560350000000001,45.150147],[5.560350000000001,45.150347000000004]]],[[[5.560350000000001,45.149791],[5.56055,45.149791],[5.56055,45.149590999999994],[5.560350000000001,45.149590999999994],[5.560350000000001,45.149791]]],[[[5.559824,45.149330000000006],[5.560023999999999,45.149330000000006],[5.560023999999999,45.14913],[5.559824,45.14913],[5.559824,45.149330000000006]]],[[[5.559642,45.148569],[5.559842,45.148569],[5.559842,45.148368999999995],[5.559642,45.148368999999995],[5.559642,45.148569]]],[[[5.559969000000001,45.147945],[5.560169,45.147945],[5.560169,45.14774499999999],[5.559969000000001,45.14774499999999],[5.559969000000001,45.147945]]]]}}}

What can be the problem ?
Thanks

2

Hello,
can you specify what is your problem here? I get the same results as you, but I think that’s exactly what you’d want - what would you expect to be the result of your request?

Best

3

Thanks for your reply.

Sans-titre-1
Sans-titre-11000×769 132 KB

I dont understand where can be the problem.
Best

4

Hey,

I think the problem lies in the way that avoid_polygons are handled.
Any of these polygons will lead to the algorithm avoiding the corresponding edge, which happens to be the whole way in this case.

Therefore, the road will start at the nearest point available.
To achieve what you want, it’s easiest to “force” the route by some via points.

Best regards