/
toofasttripremover.go
169 lines (148 loc) · 4.14 KB
/
toofasttripremover.go
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// Copyright 2016 Patrick Brosi
// Authors: [email protected]
//
// Use of this source code is governed by a GPL v2
// license that can be found in the LICENSE file
package processors
import (
"fmt"
"github.com/patrickbr/gtfsparser"
gtfs "github.com/patrickbr/gtfsparser/gtfs"
"os"
)
// StopDuplicateRemover merges semantically equivalent stops
type TooFastTripRemover struct {
}
// Run this StopDuplicateRemover on some feed
func (f TooFastTripRemover) Run(feed *gtfsparser.Feed) {
fmt.Fprintf(os.Stdout, "Removing trips travelling too fast...")
bef := len(feed.Trips)
for id, t := range feed.Trips {
if len(t.StopTimes) == 0 {
continue
}
last := t.StopTimes[0]
dist := 0.0
for i := 1; i < len(t.StopTimes); i++ {
dist += distSApprox(t.StopTimes[i-1].Stop(), t.StopTimes[i].Stop())
inter := t.StopTimes[i].Arrival_time().SecondsSinceMidnight() - last.Departure_time().SecondsSinceMidnight()
speed := 0.0
if inter == 0 {
speed = (float64(dist) / 1000.0) / (float64(60) / 3600.0)
} else {
speed = (float64(dist) / 1000.0) / (float64(inter) / 3600.0)
}
if dist >= 7000 {
if gtfs.GetTypeFromExtended(t.Route.Type) == 0 && speed > 100 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 1 && speed > 150 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 2 && speed > 500 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 3 && speed > 150 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 4 && speed > 80 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 5 && speed > 30 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 6 && speed > 50 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 7 && speed > 50 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 11 && speed > 50 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 12 && speed > 150 {
feed.DeleteTrip(id)
break
}
}
if inter != 0 {
last = t.StopTimes[i]
dist = 0
}
}
}
for id, t := range feed.Trips {
if len(t.StopTimes) == 0 {
continue
}
for j := 1; j < len(t.StopTimes); j++ {
dist := 0.0
for i := j + 1; i < len(t.StopTimes); i++ {
dist += distSApprox(t.StopTimes[i-1].Stop(), t.StopTimes[i].Stop())
inter := t.StopTimes[i].Arrival_time().SecondsSinceMidnight() - t.StopTimes[j].Departure_time().SecondsSinceMidnight()
speed := 0.0
if inter == 0 {
speed = (float64(dist) / 1000.0) / (float64(60) / 3600.0)
} else {
speed = (float64(dist) / 1000.0) / (float64(inter) / 3600.0)
}
if dist >= 10000 {
if gtfs.GetTypeFromExtended(t.Route.Type) == 0 && speed > 100 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 1 && speed > 150 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 2 && speed > 500 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 3 && speed > 150 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 4 && speed > 80 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 5 && speed > 30 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 6 && speed > 50 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 7 && speed > 50 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 11 && speed > 50 {
feed.DeleteTrip(id)
break
}
if gtfs.GetTypeFromExtended(t.Route.Type) == 12 && speed > 150 {
feed.DeleteTrip(id)
break
}
}
}
}
}
// delete transfers
feed.CleanTransfers()
fmt.Fprintf(os.Stdout, "done. (-%d trips [-%.2f%%])\n",
bef-len(feed.Trips),
100.0*float64(bef-len(feed.Trips))/(float64(bef)+0.001))
}