Mercurial > dive4elements > gnv-client
comparison gnv-artifacts/src/main/java/de/intevation/gnv/math/Interpolation2D.java @ 434:0eed5749fd63
Implemented the raster interpolation for the 'Profilschnitt'.
gnv-artifacts/trunk@482 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
|---|---|
| date | Wed, 23 Dec 2009 15:28:40 +0000 |
| parents | 422275fc9927 |
| children | f42ed4f10b79 |
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| 433:828df3ddb758 | 434:0eed5749fd63 |
|---|---|
| 89 double to, | 89 double to, |
| 90 int steps, | 90 int steps, |
| 91 Metrics metrics, | 91 Metrics metrics, |
| 92 Consumer consumer | 92 Consumer consumer |
| 93 ) { | 93 ) { |
| 94 boolean debug = log.isDebugEnabled(); | |
| 95 | |
| 94 int N = path.size(); | 96 int N = path.size(); |
| 95 int M = points.size(); | 97 int M = points.size(); |
| 96 | 98 |
| 97 if (log.isDebugEnabled()) { | 99 if (debug) { |
| 98 log.debug("Size of path: " + N); | 100 log.debug("Size of path: " + N); |
| 99 log.debug("Size of points: " + M); | 101 log.debug("Size of points: " + M); |
| 100 } | 102 } |
| 101 | 103 |
| 102 if (M < 1 || N < 2) { // nothing to do | 104 if (M < 1 || N < 2) { // nothing to do |
| 105 | 107 |
| 106 double [] buffer = calculateBuffer(points); | 108 double [] buffer = calculateBuffer(points); |
| 107 double dxMax = buffer[0]; | 109 double dxMax = buffer[0]; |
| 108 double dyMax = buffer[1]; | 110 double dyMax = buffer[1]; |
| 109 | 111 |
| 110 if (log.isDebugEnabled()) { | 112 if (debug) { |
| 111 log.debug("buffer size: " + dxMax + " / " + dyMax); | 113 log.debug("buffer size: " + dxMax + " / " + dyMax); |
| 112 } | 114 } |
| 113 | 115 |
| 114 // put into spatial index to speed up finding neighbors. | 116 // put into spatial index to speed up finding neighbors. |
| 115 Quadtree spatialIndex = new Quadtree(); | 117 Quadtree spatialIndex = new Quadtree(); |
| 202 consumer.interpolated(center, false); | 204 consumer.interpolated(center, false); |
| 203 ++missedInterpolations; | 205 ++missedInterpolations; |
| 204 } | 206 } |
| 205 } | 207 } |
| 206 | 208 |
| 207 if (log.isDebugEnabled()) { | 209 if (debug) { |
| 208 log.debug("interpolations: " + | 210 log.debug("interpolations: " + |
| 209 interpolations + " / " + missedInterpolations); | 211 interpolations + " / " + missedInterpolations); |
| 210 } | 212 } |
| 211 } | 213 } |
| 212 | 214 |