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Rapid account: Andytabrizi
andytabrizi
hace 2 años

How would I make the optimal solution visit say two locations per week?

Thus I need to

  1. generate a route of locations
  2. have time windows where one cannot visit places (I think list of time windows would work which is supported)
  3. restrict the solution only so many locations per week (say 2) …
  4. have a custom start and end location also …
Rapid account: Trueway
trueway Commented hace 2 años

This is a simplified example from the “Service Visits” tutorial with 3 locations and 1 vehicle:

{
“service_orders”: [
{
“id”: “order-1”,
“location”: {
“lat”: 36.185851,
“lng”: -115.2064059
},
“service_duration”: 300,
“time_windows”: [{“earliest”: 0, “latest”: 86400}, {“earliest”: 172800, “latest”: 604800}],
“optional”: true
},
{
“id”: “order-2”,
“location”: {
“lat”: 36.190831,
“lng”: -115.137368
},
“service_duration”: 300,
“time_windows”: [{“earliest”: 0, “latest”: 86400}, {“earliest”: 172800, “latest”: 604800}],
“optional”: true
},
{
“id”: “order-3”,
“location”: {
“lat”: 36.1692548,
“lng”: -115.1312463
},
“service_duration”: 300,
“time_windows”: [{“earliest”: 0, “latest”: 86400}, {“earliest”: 172800, “latest”: 604800}],
“optional”: true
}
],
“vehicles”: [
{
“id”: “vehicle-1”,
“start”: {
“lat”: 36.159548,
“lng”: -115.3172336
},
“end”: {
“lat”: 36.159548,
“lng”: -115.3172336
},
“max_orders”: 2
}
]
}

If you assume to work during the week, we have an interval from 0 to 604800 (7 days in seconds, for example from Sunday midnight).
Let’s say you can’t visit places on Tuesday. Then you can specify 2 time windows: before Tuesday and after Tuesday:
“time_windows”: [{“earliest”: 0, “latest”: 86400}, {“earliest”: 172800, “latest”: 604800}]

Notice the “max_orders” property, which limits the maximum number of locations(orders) for a vehicle. You can also set the property “optional” to “true” on the order. Then 2 orders will be assigned to the vehicle, and the rest (unassigned) will be returned in the “unassigned_orders” property. Otherwise, we will get “No Solution”, because we need to serve 3 orders, but the car is limited to only 2.

Start and End are set by the “Start” and “End” properties of vehicle.

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