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Author Archives: Stefan

Distribute work evenly over your drivers

Suppose you have 50 deliveries and you hire four drivers to make those deliveries. Each driver is either paid for a certain number of hours or is paid for a certain number of jobs. In this case, you wouldn’t necessarily want one driver to get all 50 deliveries, even if this minimizes the total variable […]

Releasing the Cluster API

We’re happy to announce our new product: the Cluster API! It solves the “capacity clustering problem” by assigning a set of customers to a given number of distinct groups (called clusters). The API “clusters” by minimizing the total distance from each individual customer to its designated group median. It can also consider minimum and maximum […]

docs.graphhopper.com

We are happy to announce our new API docs. We specified our APIs in the OpenAPI specification language and moved the entire content of our old documentation to a single OpenApi 3.0 document. This has many advantages: There is only a single source for the documentation of new features, and for generating client code to […]

Vehicle routing with cargo bikes and small trucks

This article shows how to solve a time-dependent vehicle routing problem with cargo bikes and small trucks with GraphHopper’s Optimizaton API. Lets assume that you want to solve a vehicle routing problem with a mixed fleet. The fleet consists of cargo bikes and small trucks, and you want to employ the fleet such that products […]