Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/Distance.java @ 5462:f2371f3aaf03
Show top level folder icons only if node has no factory
If you have an empty folder the folder icon is still shown.
This makes it possible to add functional "Top Level" entries
in the Datacage
author | Andre Heinecke <aheinecke@intevation.de> |
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date | Tue, 26 Mar 2013 18:29:13 +0100 |
parents | 229e9b27ce15 |
children |
rev | line source |
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3246
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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1 package de.intevation.flys.artifacts.math; |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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2 |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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3 /** Helper to calculate distance(s). */ |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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4 public final class Distance { |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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5 /** Return distance between two values. */ |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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6 public static double distance(double a, double b) { |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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7 return Math.abs(a - b); |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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8 } |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
9 |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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10 /** Return whether a and be are within a certain distance. */ |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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11 public static boolean within(double a, double b, double threshold) { |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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12 return distance(a, b) <= threshold; |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
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13 } |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
14 } |
229e9b27ce15
New Distance helper module.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff
changeset
|
15 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |