Pet rescue transport handover calculator

Calculate feasible leg assignments [leg,carer,start,end,from,to] and uncovered leg IDs with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Use feasible leg assignments [leg,carer,start,end,from,to] and uncovered leg IDs to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Ordered transport legs JSON [ID,from,to,pickup minute,handover minute,crate count,approved carer IDs]
[["L1","A","B",540,570,2,["Sam"]],["L2","B","C",580,610,2,["Jo"]]]
Carers JSON [ID,available start,end,initial location]
[["Sam",530,580,"A"],["Jo",570,630,"B"]]
Directed travel minutes JSON {from>to:minutes}
{"A>A":0,"A>B":30,"B>B":0,"B>C":30}
Crate capacity per vehicle (crates)
2
Feasible leg assignments [leg,carer,start,end,from,to]
[["L1","Sam",540,570,"A","B"],["L2","Jo",580,610,"B","C"]]
Uncovered leg IDs
[]
Chain discontinuities [previous leg,next leg]
[]

Try another scenario

Ordered transport legs JSON [ID,from,to,pickup minute,handover minute,crate count,approved carer IDs]
[["L1","A","B",540,570,2,["Sam"]],["L2","B","C",580,610,2,["Jo"]]]
Carers JSON [ID,available start,end,initial location]
[["Sam",530,580,"A"],["Jo",570,630,"B"]]
Directed travel minutes JSON {from>to:minutes}
{"A>A":0,"A>B":30,"B>B":0,"B>C":30}
Crate capacity per vehicle (crates)
1
Feasible leg assignments [leg,carer,start,end,from,to]
[]
Uncovered leg IDs
["L1","L2"]
Chain discontinuities [previous leg,next leg]
[]
Calculation method

Calculation method

Feasible leg assignments [leg,carer,start,end,from,to]

Chronological greedy approved-carer assignment; previous carer location and travel must permit pickup, leg travel must finish by handover, crates<=capacity.

Uncovered leg IDs

Legs unassigned by greedy schedule.

Chain discontinuities [previous leg,next leg]

Adjacent supplied legs must share handover/pickup location and have previous end<=next start.

Symbols and units
a
Ordered transport legs JSON [ID,from,to,pickup minute,handover minute,crate count,approved carer IDs]
b
Carers JSON [ID,available start,end,initial location]
c
Directed travel minutes JSON {from>to:minutes}
d
Crate capacity per vehicle (crates)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Explicit approved carers, fixed transport windows and homogeneous crate slots; no animal transport standard, permissions, suitability or vehicle legal capacity inferred. Report continuity separately; any uncovered leg breaks a complete chain. Supported limits: 1..100 legs/carers; positive crate counts; explicit travel and approval; integer time windows; ordered legs chronological; capacity>=1.
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