Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/math/BackJumpCorrector.java @ 649:44175d4720f8
Fix crashes in back jump correction.
flys-artifacts/trunk@2038 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Wed, 01 Jun 2011 09:57:22 +0000 |
| parents | 2dbbb5be30a1 |
| children | 60f24fca574a |
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| 648:d4c4fefb095b | 649:44175d4720f8 |
|---|---|
| 8 import org.apache.commons.math.analysis.interpolation.SplineInterpolator; | 8 import org.apache.commons.math.analysis.interpolation.SplineInterpolator; |
| 9 | 9 |
| 10 import org.apache.commons.math.analysis.polynomials.PolynomialSplineFunction; | 10 import org.apache.commons.math.analysis.polynomials.PolynomialSplineFunction; |
| 11 | 11 |
| 12 import org.apache.commons.math.ArgumentOutsideDomainException; | 12 import org.apache.commons.math.ArgumentOutsideDomainException; |
| 13 | |
| 14 import org.apache.commons.math.exception.MathIllegalArgumentException; | |
| 13 | 15 |
| 14 import org.apache.log4j.Logger; | 16 import org.apache.log4j.Logger; |
| 15 | 17 |
| 16 public class BackJumpCorrector | 18 public class BackJumpCorrector |
| 17 implements Serializable | 19 implements Serializable |
| 123 ikm = km[back]; | 125 ikm = km[back]; |
| 124 } | 126 } |
| 125 break; | 127 break; |
| 126 } | 128 } |
| 127 | 129 |
| 128 if (back < 0) { | 130 if (back <= 0) { |
| 129 //log.debug("run over left border"); | 131 //log.debug("run over left border"); |
| 130 // fill with same as ws[i] | 132 // fill with same as ws[i] |
| 131 for (int j = 0; j < i; ++j) { | 133 for (int j = 0; j < i; ++j) { |
| 132 ws[j] = ws[i]; | 134 ws[j] = ws[i]; |
| 133 } | 135 } |
| 191 for (int j = 0; j < x.length; ++j) { | 193 for (int j = 0; j < x.length; ++j) { |
| 192 log.debug(" " + x[j] + " -> " + y[j]); | 194 log.debug(" " + x[j] + " -> " + y[j]); |
| 193 } | 195 } |
| 194 } | 196 } |
| 195 | 197 |
| 196 PolynomialSplineFunction spline = interpolator.interpolate(x, y); | 198 PolynomialSplineFunction spline; |
| 199 | |
| 200 try { | |
| 201 spline = interpolator.interpolate(x, y); | |
| 202 } | |
| 203 catch (MathIllegalArgumentException miae) { | |
| 204 log.error(miae); | |
| 205 continue; | |
| 206 } | |
| 197 | 207 |
| 198 try { | 208 try { |
| 199 if (log.isDebugEnabled()) { | 209 if (log.isDebugEnabled()) { |
| 200 log.debug("spline points:"); | 210 log.debug("spline points:"); |
| 201 for (int j = 0; j < x.length; ++j) { | 211 for (int j = 0; j < x.length; ++j) { |