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Fix regression in elevation filter logic

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25e506d changed the order in which the elevation deltas are passed through the elevation filter, which can lead to the undesirable behavior that appending segments to the end of a route can decrease the calculated total ascent. This fixes the bug by adjusting the elevation filter accordingly.
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quaelnix 2023-01-24 23:38:11 +01:00 committed by GitHub
parent 2387513a1f
commit c3508c2adc
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GPG key ID: 4AEE18F83AFDEB23
1 changed files with 5 additions and 6 deletions
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11
brouter-core/src/main/java/btools/router/RoutingEngine.java
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@ -772,16 +772,15 @@ public class RoutingEngine extends Thread {
if (ele_last != Short.MIN_VALUE) {
ehb = ehb + (ele_last - ele) * eleFactor;
}
if (ehb > 10.) {
ascend += ehb - 10.;
ehb = 10.;
} else if (ehb < 0.) {
ehb = 0.;
if (ehb > 0) {
ascend += ehb;
ehb = 0;
} else if (ehb < -10) {
ehb = -10;
}
}
}
ascend += ehb;
t.ascend = (int) ascend;
t.plainAscend = (int) ((ele_start - ele_end) * eleFactor + 0.5);