Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/artifacts/model/MainValuesQFacet.java @ 7483:f206f6049b2b
Dont assume that wqdays are always of none zero length.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 31 Oct 2013 18:26:49 +0100 |
| parents | 5d071e1cb17c |
| children | 3e9961dcbf9a |
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| 7482:f8e1af4e2f69 | 7483:f206f6049b2b |
|---|---|
| 56 * Set the hit-point in Q where a line drawn from the axis would hit the | 56 * Set the hit-point in Q where a line drawn from the axis would hit the |
| 57 * curve in WQDay (if hit). | 57 * curve in WQDay (if hit). |
| 58 * Employ linear interpolation. | 58 * Employ linear interpolation. |
| 59 */ | 59 */ |
| 60 protected static void setHitPoint(WQDay wqday, StickyAxisAnnotation annotation) { | 60 protected static void setHitPoint(WQDay wqday, StickyAxisAnnotation annotation) { |
| 61 | |
| 62 if (wqday.size() == 0) { | |
| 63 return; | |
| 64 } | |
| 65 | |
| 61 int idx = 0; | 66 int idx = 0; |
| 62 float q = annotation.getPos(); | 67 float q = annotation.getPos(); |
| 63 boolean qIncreases = wqday.getQ(0) < wqday.getQ(wqday.size()-1); | 68 boolean qIncreases = wqday.getQ(0) < wqday.getQ(wqday.size()-1); |
| 64 if (qIncreases) { | 69 if (qIncreases) { |
| 65 while (idx < wqday.size() && wqday.getQ(idx) < q) { | 70 while (idx < wqday.size() && wqday.getQ(idx) < q) { |