Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/exports/StyledSeriesBuilder.java @ 6778:cbe9ac4380a5
issue1439: Show line segments for points that have gaps on both sides. Small refac.
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
|---|---|
| date | Thu, 08 Aug 2013 10:38:36 +0200 |
| parents | 334db91c96dc |
| children | 590d420ed382 |
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| 6777:48f6780c372d | 6778:cbe9ac4380a5 |
|---|---|
| 47 * to 2nd dim. | 47 * to 2nd dim. |
| 48 * @param skipNANs if true, skip NAN values in points parameter. Otherwise, | 48 * @param skipNANs if true, skip NAN values in points parameter. Otherwise, |
| 49 * the NaNs lead to gaps in graph. | 49 * the NaNs lead to gaps in graph. |
| 50 * @param distance if two consecutive entries in points[0] are more | 50 * @param distance if two consecutive entries in points[0] are more |
| 51 * than distance apart, create a NaN value to skip in display. | 51 * than distance apart, create a NaN value to skip in display. |
| 52 * Still, create a line segment. | |
| 52 */ | 53 */ |
| 53 public static void addPoints(XYSeries series, double[][] points, boolean skipNANs, double distance) { | 54 public static void addPoints(XYSeries series, double[][] points, boolean skipNANs, double distance) { |
| 54 if (points == null || points.length <= 1) { | 55 if (points == null || points.length <= 1) { |
| 55 return; | 56 return; |
| 56 } | 57 } |
| 62 logger.warn ("Skipping NaN in StyledSeriesBuilder."); | 63 logger.warn ("Skipping NaN in StyledSeriesBuilder."); |
| 63 continue; | 64 continue; |
| 64 } | 65 } |
| 65 // Create gap if distance >= distance. | 66 // Create gap if distance >= distance. |
| 66 if (i != 0 && Math.abs(xPoints[i-1] - xPoints[i]) >= distance) { | 67 if (i != 0 && Math.abs(xPoints[i-1] - xPoints[i]) >= distance) { |
| 68 // Create at least a small segment for last point. | |
| 69 if (!Double.isNaN(yPoints[i-1])) { | |
| 70 series.add(xPoints[i-1]+0.99d*(distance)/2.d, yPoints[i-1], false); | |
| 71 } | |
| 72 | |
| 67 if (!Double.isNaN(yPoints[i-1]) && !Double.isNaN(yPoints[i])) { | 73 if (!Double.isNaN(yPoints[i-1]) && !Double.isNaN(yPoints[i])) { |
| 68 series.add((xPoints[i-1]+xPoints[i])/2.d, Double.NaN, false); | 74 series.add((xPoints[i-1]+xPoints[i])/2.d, Double.NaN, false); |
| 69 } | 75 } |
| 70 } | 76 } |
| 71 series.add(xPoints[i], yPoints[i], false); | 77 series.add(xPoints[i], yPoints[i], false); |