Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/math/L1Comparator.java @ 592:3c939c95c477
Removed accidental checkin of Test-Shapefiles
gnv-artifacts/trunk@647 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
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date | Fri, 29 Jan 2010 13:28:28 +0000 |
parents | ab29e4ff2fda |
children | b1f5f2a8840f |
rev | line source |
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361
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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1 package de.intevation.gnv.math; |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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2 |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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3 import java.util.Comparator; |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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4 |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
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5 import com.vividsolutions.jts.geom.Coordinate; |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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6 |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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7 /** |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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8 * @author Sascha L. Teichmann |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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9 */ |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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10 public class L1Comparator |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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11 implements Comparator |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
12 { |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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13 private Coordinate ref; |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
14 |
474
ab29e4ff2fda
Added area interpolation needed for "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
361
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15 public L1Comparator() { |
ab29e4ff2fda
Added area interpolation needed for "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
361
diff
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16 } |
ab29e4ff2fda
Added area interpolation needed for "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
361
diff
changeset
|
17 |
361
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
18 public L1Comparator(Coordinate ref) { |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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19 this.ref = ref; |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
20 } |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
21 |
474
ab29e4ff2fda
Added area interpolation needed for "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
361
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22 public void setReference(Coordinate ref) { |
ab29e4ff2fda
Added area interpolation needed for "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
361
diff
changeset
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23 this.ref = ref; |
ab29e4ff2fda
Added area interpolation needed for "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
361
diff
changeset
|
24 } |
ab29e4ff2fda
Added area interpolation needed for "Horizontalschnitt"
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
361
diff
changeset
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25 |
361
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
26 public int compare(Object a, Object b) { |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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27 Coordinate pa = (Coordinate)a; |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
28 Coordinate pb = (Coordinate)b; |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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29 double da = Point2d.L1(ref, pa); |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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30 double db = Point2d.L1(ref, pb); |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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31 if (da < db) return -1; |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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32 if (da > db) return +1; |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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33 return 0; |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
34 } |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
35 } |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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36 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8: |
aec85d00d82c
Added code to do 2D interpolations along a digitied track on the map.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
|
37 |