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Issue #1194 make time matching more lenient for latest live data.

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Former-commit-id: 575b5f9b71 [formerly 0012646250f74b6361f57f7a8b08e919cbaee2ce]
Former-commit-id: 45ecb93bae
This commit is contained in:
Ben Steffensmeier 2012-09-20 10:36:54 -05:00
parent 6a0eac44b2
commit 621260a7ac
1 changed files with 22 additions and 2 deletions
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24
cave/com.raytheon.uf.viz.d2d.core/src/com/raytheon/uf/viz/d2d/core/time/TimeMatcher.java
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@ -553,7 +553,7 @@ public class TimeMatcher {
int f, f0;
int p, pp, m, n, q;
int best;
long dtf, dt, fd;
long dtf, dt, dtd, fd;
double fo;
long vf, v1, v2, vd;
@ -648,6 +648,7 @@ public class TimeMatcher {
IntrinsicReturnVal rv = intrinsicPeriod(depictTimes, majorIndex,
dataFcsts);
dt = rv.intrinsicPeriod;
dtd = (rv.intrinsicPeriod * 3) / 2;
dataFcsts = rv.haveForecasts;
if (fspatial) {
@ -682,6 +683,15 @@ public class TimeMatcher {
dt++;
}
if (dt > dtd || frameTimes[ef].getMatchValid() - latest.getTime() > dtd) {
// The first check makes sure that dtd is always bigger than dt
// since dtd is supposed to add extra padding to the time. The
// second check makes it so that if the latest frameTime is past the
// latest depictTime by more than dtd than we ignore dtd by setting
// it to dt which makes it a no op.
dtd = dt;
}
// Try to find match for each frame. Dependent on valid times increasing
// monotonically in depictTimes.
for (f = f0; f <= ef; f++) {
@ -692,7 +702,17 @@ public class TimeMatcher {
vf = (frameTimes)[f].getMatchValid() + deltaTime;
v1 = vf - dt; // first usable valid time
v2 = vf + dt; // last usable valid time
if (!dataFcsts && !frameFcsts && vf > latest.getTime()) {
// if we are dealing with live data(without forecast times) then
// we want to allow extra time on the latest frame. For example
// LAPS data arrives hourly, and radar arrives every 6 minutes,
// in this scenario dt is around 36 minutes so 36 minutes after
// the hour when radar updates LAPS disappears. This code
// changes that so for the latest frame LAPS will be visible for
// 90 minutes which is enough time for the next LAPS frame to
// come in, this means that the latest frame always has data.
v1 = vf - dtd;
}
fo = frameTimes[f].getLevelValue();
spatial = fo >= 0.0 && dspatial;
best = -1; // have no best match yet