Get hiking suggestions from your recorded tours

Programming Snapshot – Go Filters

Article from Issue 269/2023
Author(s):

When Mike Schilli is faced with the task of choosing a hiking tour from his collection of city trails, he turns to a DIY program trained to make useful suggestions.

Which of the city walking routes recorded on the Komoot route planning service should I do again today? This is a question I ask myself surprisingly often. Depending on how I feel, I want the day's tour to be short or long, hilly or flat, and – accordingly – challenging or relaxing. Depending on time constraints, I might not want to venture too far from home.

My tours are recorded on the Komoot service, but it offers only very rudimentary filter options (Figure 1). In my case, using its smallest possible search radius of three miles, Komoot searches the entire San Francisco metropolitan area for saved tours rather than letting me narrow my search to individual neighborhoods. To enable more granular search criteria, what I have in mind for today's column is a command-line tool that uses the elevation profile, tour time, and distance to trail entry as filters to greatly reduce the selection.

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