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java.lang.Objectgov.usgs.earthquake.event.EventSanityCheck
public class EventSanityCheck
Compare 2 versions of the same event to see if it has changed significantly and requires human inspection.
Field Summary | |
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static java.math.BigDecimal |
DEPTH_THRESHOLD
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static java.math.BigDecimal |
DISTANCE_THRESHOLD
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static java.math.BigDecimal |
MAGNITUDE_THRESHOLD
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static java.math.BigDecimal |
TIME_THRESHOLD
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Constructor Summary | |
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EventSanityCheck()
Default constructor with values as follows: |
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EventSanityCheck(java.math.BigDecimal timeThreshold,
java.math.BigDecimal distanceThreshold,
java.math.BigDecimal depthThreshold,
java.math.BigDecimal magnitudeThreshold)
Constructor with configurable thresholds. |
Method Summary | |
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java.math.BigDecimal |
getDepthThreshold()
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double |
getDistance(EventComparison c)
Calculate the "euclidean" distance between 2 events. |
java.math.BigDecimal |
getDistanceThreshold()
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java.math.BigDecimal |
getMagnitudeThreshold()
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java.math.BigDecimal |
getTimeThreshold()
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java.lang.String |
isMatch(EventComparison c)
Compares two events and returns a string of errors if they are not similar enough or null otherwise. |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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public static final java.math.BigDecimal DISTANCE_THRESHOLD
public static final java.math.BigDecimal MAGNITUDE_THRESHOLD
public static final java.math.BigDecimal DEPTH_THRESHOLD
public static final java.math.BigDecimal TIME_THRESHOLD
Constructor Detail |
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public EventSanityCheck()
TIME_THRESHOLD = 5s DISTANCE_THRESHOLD = 30km DEPTH_THRESHOLD = 30km MAGNITUDE_THRESHOLD = .4
public EventSanityCheck(java.math.BigDecimal timeThreshold, java.math.BigDecimal distanceThreshold, java.math.BigDecimal depthThreshold, java.math.BigDecimal magnitudeThreshold)
timeThreshold
- distanceThreshold
- depthThreshold
- magnitudeThreshold
- Method Detail |
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public java.lang.String isMatch(EventComparison c)
c
- comparison to test.
public double getDistance(EventComparison c)
sqrt((distance / distanceThreshold) ˆ 2 + (magnitudeDifference / magnitudeThreshold) ˆ 2 + (depthDifference / depthThreshold) ˆ 2 + (timeDifference / timeThreshold) ˆ 2)
c
-
public java.math.BigDecimal getTimeThreshold()
public java.math.BigDecimal getDistanceThreshold()
public java.math.BigDecimal getDepthThreshold()
public java.math.BigDecimal getMagnitudeThreshold()
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