opentracker

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Ignore steps inside the fix accuracy, rename the compose service

A still phone indoors reports fixes 10 to 40 m apart. The 10 m step
filter kept them, so the trail zigzagged.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
AuthorKonata <konata@posteo.jp>
Date
Commita1e3107f404735de7b21fcea4817df0600951b96
Parent7e41858
3 files changed, 5 insertions(+), 3 deletions(-)
▾Mandroid/app/src/main/java/org/opentracker/SamplingPolicy.kt
+2-2@ a1e3107@ master
@@ -133,8 +133,8 @@ class SamplingPolicy {
(fix.accuracy ?: 0f) > MAX_ACCURACY -> age >= STALE_MS
age >= HEARTBEAT_MS -> true
mode == Mode.STATIONARY -> distance(last, fix) > DEPARTURE_M
mode == Mode.VEHICLE -> distance(last, fix) >= 20
else -> distance(last, fix) >= 10
// A step inside the fix's own accuracy is noise.
else -> distance(last, fix) >= max(if (mode == Mode.VEHICLE) 20.0 else 10.0, (fix.accuracy ?: 0f).toDouble())
}
if (ok) {
kept.add(i + 1, fix)
▾Mandroid/app/src/test/java/org/opentracker/SamplingPolicyTest.kt
+2@ a1e3107@ master
@@ -84,6 +84,8 @@ class SamplingPolicyTest {
assertTrue(p.onFix(fix(0, speed = 1.5f)))
assertFalse(p.onFix(fix(30_000, 4.0, speed = 1.5f)))
assertTrue(p.onFix(fix(60_000, 40.0, speed = 1.5f)))
assertFalse(p.onFix(fix(90_000, 65.0, speed = 1.5f, acc = 30f)))
assertTrue(p.onFix(fix(120_000, 75.0, speed = 1.5f, acc = 30f)))
}
@Test
▾Mcompose.yaml
+1-1@ a1e3107@ master
@@ -1,5 +1,5 @@
services:
server:
opentracker:
build: .
ports:
- "127.0.0.1:8080:8080"