Mercurial > dive4elements > river
comparison artifacts/src/main/java/org/dive4elements/river/exports/StyledSeriesBuilder.java @ 8696:5dea205ea3e7
(issue1670) Remove 99-percent copy-paste method, which had been used only once.
| author | Tom Gottfried <tom@intevation.de> |
|---|---|
| date | Mon, 20 Apr 2015 12:58:52 +0200 |
| parents | a7eaf3e13bbe |
| children | 527e0f4c28c1 |
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| 8695:5abbccb13e45 | 8696:5dea205ea3e7 |
|---|---|
| 34 | 34 |
| 35 /** | 35 /** |
| 36 * Trivial, hidden constructor. | 36 * Trivial, hidden constructor. |
| 37 */ | 37 */ |
| 38 private StyledSeriesBuilder() { | 38 private StyledSeriesBuilder() { |
| 39 } | |
| 40 | |
| 41 | |
| 42 /** | |
| 43 * Add points to series, create gaps if certain distance between | |
| 44 * points is met and scale the Y value. | |
| 45 * | |
| 46 * @param series Series to add points to. | |
| 47 * @param points Points to add to series, points[0] to 1st dim, points[1] | |
| 48 * to 2nd dim. | |
| 49 * @param skipNANs if true, skip NAN values in points parameter. Otherwise, | |
| 50 * the NaNs lead to gaps in graph. | |
| 51 * @param distance if two consecutive entries in points[0] are more | |
| 52 * than distance apart, create a NaN value to skip in display. | |
| 53 * Still, create a line segment. | |
| 54 * @param factor Factor by which to scale the y value (points[1]). | |
| 55 */ | |
| 56 public static void addPointsFactorY(XYSeries series, | |
| 57 double[][] points, | |
| 58 boolean skipNANs, | |
| 59 double distance, | |
| 60 double factor | |
| 61 ) { | |
| 62 if (points == null || points.length <= 1) { | |
| 63 return; | |
| 64 } | |
| 65 double [] xPoints = points[0]; | |
| 66 double [] yPoints = points[1]; | |
| 67 for (int i = 0; i < xPoints.length; i++) { | |
| 68 if (skipNANs && | |
| 69 (Double.isNaN(xPoints[i]) || Double.isNaN(yPoints[i]))) { | |
| 70 continue; | |
| 71 } | |
| 72 // Create gap if distance >= distance. | |
| 73 if (i != 0 && Math.abs(xPoints[i-1] - xPoints[i]) >= distance) { | |
| 74 // Create at least a small segment for last point. | |
| 75 if (!Double.isNaN(yPoints[i-1])) { | |
| 76 series.add(xPoints[i-1]+0.99d*(distance)/2.d, yPoints[i-1]*factor, false); | |
| 77 } | |
| 78 | |
| 79 if (!Double.isNaN(yPoints[i-1]) && !Double.isNaN(yPoints[i])) { | |
| 80 series.add((xPoints[i-1]+xPoints[i])/2.d, Double.NaN, false); | |
| 81 } | |
| 82 } | |
| 83 series.add(xPoints[i], yPoints[i]*factor, false); | |
| 84 } | |
| 85 } | 39 } |
| 86 | 40 |
| 87 | 41 |
| 88 /** | 42 /** |
| 89 * Add points to series, create gaps if certain distance between points is met. | 43 * Add points to series, create gaps if certain distance between points is met. |