Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/jfree/GapInserter.java @ 8287:4c1f57839ae9
Avoid NPE if river is not accessible.
author | "Tom Gottfried <tom@intevation.de>" |
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date | Wed, 17 Sep 2014 13:00:14 +0200 |
parents | 64930ceebac0 |
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rev | line source |
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7901
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
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1 package org.dive4elements.river.jfree; |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
2 |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
3 import org.jfree.data.xy.XYSeries; |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
4 |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
5 public class GapInserter { |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
6 |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
7 private XYSeries series; |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
8 private double gap; |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
9 private double lastX; |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
10 |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
11 public GapInserter() { |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
12 } |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
13 |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
14 public GapInserter(XYSeries series, double gap) { |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
15 lastX = Double.NaN; |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
16 this.series = series; |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
17 this.gap = Math.abs(gap); |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
18 } |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
19 |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
20 public void add(double x, double y) { |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
21 if (!Double.isNaN(lastX) && !Double.isNaN(x) && Math.abs(x - lastX) > gap) { |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
22 series.add((x + lastX)/2.0, Double.NaN, false); |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
23 } |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
24 series.add(x, y, false); |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
25 lastX = x; |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
26 } |
64930ceebac0
Fix for flys/issue1670: Introduce 100m gaps in single bed width.
Sascha L. Teichmann <teichmann@intevation.de>
parents:
diff
changeset
|
27 } |