dive4elements/river: flys-artifacts/src/main/java/de/intevation/flys/jfree/JFreeUtil.java annotate

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/JFreeUtil.java @ 4837:9e25c7523485

Fixed calculation of effective width in MINFO SQ relation. * Get all (including empty datasets) from db. * Filter empty datasets when processing data of the same date. * Added debug outputs.

author	Raimund Renkert <rrenkert@intevation.de>
date	Wed, 23 Jan 2013 11:14:41 +0100
parents	080411ac948f
children

rev	line source
3018 fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	1 package de.intevation.flys.jfree;
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	2
3765 d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	3 import java.awt.Shape;
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	4 import java.awt.geom.Rectangle2D;
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	5 import java.util.Iterator;
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	6 import java.util.Random;
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	7
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	8 import org.apache.log4j.Logger;
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	9 import org.jfree.chart.entity.ChartEntity;
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	10 import org.jfree.chart.entity.EntityCollection;
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	11 import org.w3c.dom.Document;
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	12
3109 63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3105 diff changeset	13 import de.intevation.flys.artifacts.math.Function;
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3105 diff changeset	14
3018 fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	15 public class JFreeUtil {
3772 5a8f8fd5310c The usual wipe after for ill configured Eclipses. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3765 diff changeset	16
3765 d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	17 private static final Logger logger = Logger.getLogger(JFreeUtil.class);
3076 5642a83420f2 FLYS artifacts: Removed trailing whitespace. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3023 diff changeset	18
3018 fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	19 /** Do not instantiate. */
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	20 private JFreeUtil() {
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	21 }
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	22
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	23
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	24 /**
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	25 * True if \param hotspot collides with a Entity in \param entities.
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	26 * @param hotspot Shape to compare against other shapes (bounds only).
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	27 * @param entities entities against which to compare shape.
3023 e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	28 * @param exclusiveEntityClass If not null, consider only entities of
e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	29 * given class.
e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	30 * @return true if a collision (non-zero intersection) exists between
3018 fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	31 * shapes.
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	32 */
3023 e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	33 public static boolean collides(Shape hotspot, EntityCollection entities,
e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	34 Class exclusiveEntityClass) {
3018 fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	35 if (entities == null) return false;
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	36
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	37 Rectangle2D hotspotBox = hotspot.getBounds2D();
3076 5642a83420f2 FLYS artifacts: Removed trailing whitespace. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3023 diff changeset	38
3018 fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	39 for (Iterator i = entities.iterator(); i.hasNext(); ) {
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	40 Object next = i.next();
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	41 ChartEntity entity = (ChartEntity) next;
3023 e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	42 if (exclusiveEntityClass == null
e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	43 \|\| exclusiveEntityClass.isInstance(entity))
e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	44 {
e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	45 if (entity.getArea().intersects(hotspotBox)) {
e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	46 // Found collision, early stop.
e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	47 return true;
e19ff9086035 Avoid collisions between line labels. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: 3018 diff changeset	48 }
3018 fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	49 }
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	50 }
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	51
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	52 return false;
fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	53 }
3772 5a8f8fd5310c The usual wipe after for ill configured Eclipses. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3765 diff changeset	54
5a8f8fd5310c The usual wipe after for ill configured Eclipses. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3765 diff changeset	55
3765 d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	56 /**
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	57 * This function samples a randomized line that contains of x and y values
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	58 * between <i>startX</i>, <i>endX</i>, <i>startY</i> and <i>endY</i>. The
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	59 * number of points in the line is specified by <i>num</i>.
3772 5a8f8fd5310c The usual wipe after for ill configured Eclipses. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3765 diff changeset	60 *
3765 d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	61 * @param num The number of points in the line.
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	62 * @param startX The min value of the x values.
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	63 * @param endX The max value of the x values.
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	64 * @param startY The min value of the y values.
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	65 * @param endY The max value of the y values.
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	66 * @return an array with [allX-values, allY-values].
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	67 * @throws IllegalArgumentException
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	68 */
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	69 public static double[][] randomizeLine(
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	70 int num,
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	71 double startX,
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	72 double endX,
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	73 double startY,
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	74 double endY
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	75 ) throws IllegalArgumentException
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	76 {
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	77 if (num <= 0) {
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	78 throw new IllegalArgumentException("Parameter 'num' has to be > 0");
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	79 }
3772 5a8f8fd5310c The usual wipe after for ill configured Eclipses. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3765 diff changeset	80
3765 d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	81 Random random = new Random();
3772 5a8f8fd5310c The usual wipe after for ill configured Eclipses. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3765 diff changeset	82
3765 d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	83 double[] x = new double[num];
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	84 double[] y = new double[num];
3772 5a8f8fd5310c The usual wipe after for ill configured Eclipses. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3765 diff changeset	85
3765 d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	86 for (int i = 0; i < num; i++) {
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	87 double xFac = random.nextDouble();
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	88 double yFac = random.nextDouble();
3772 5a8f8fd5310c The usual wipe after for ill configured Eclipses. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3765 diff changeset	89
3765 d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	90 x[i] = startX + xFac * (endX - startX);
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	91 y[i] = startY + yFac * (endY - startY);
3772 5a8f8fd5310c The usual wipe after for ill configured Eclipses. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3765 diff changeset	92
3765 d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	93 logger.debug("Created new point: " + x[i] + "\|" + y[i]);
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	94 }
3772 5a8f8fd5310c The usual wipe after for ill configured Eclipses. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3765 diff changeset	95
3765 d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	96 return new double[][] { x, y };
d8f2ab5b61c3 Added JFreeUtil.randomizeLine() to generate randomized lines. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3109 diff changeset	97 }
3105 9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	98
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	99
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	100 public static StyledXYSeries sampleFunction2D(
3109 63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3105 diff changeset	101 Function func,
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3105 diff changeset	102 Document theme,
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3105 diff changeset	103 String seriesKey,
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3105 diff changeset	104 int samples,
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3105 diff changeset	105 double start,
63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3105 diff changeset	106 double end
3105 9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	107 ) {
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	108 StyledXYSeries series = new StyledXYSeries(seriesKey, theme);
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	109
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	110 double step = (end - start) / (samples - 1);
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	111
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	112 for (int i = 0; i < samples; i++) {
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	113 double x = start + (step * i);
3109 63ef889eea2b SQ: Directly sample our Function objects instead of Function2D from JFreeChart. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3105 diff changeset	114 series.add(x, func.value(x));
3105 9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	115 }
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	116
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	117 return series;
9592b7d76633 Generate fake data for SQ curves; Implemented the Facet and Generator stuff. Ingo Weinzierl <ingo.weinzierl@intevation.de> parents: 3083 diff changeset	118 }
4564 080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	119
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	120 public static StyledXYSeries sampleFunction2DPositive(
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	121 Function func,
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	122 Document theme,
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	123 String seriesKey,
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	124 int samples,
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	125 double start,
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	126 double end
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	127 ) {
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	128 StyledXYSeries series = new StyledXYSeries(seriesKey, theme);
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	129
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	130 double step = (end - start) / (samples - 1);
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	131
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	132 for (int i = 0; i < samples; i++) {
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	133 double x = start + (step * i);
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	134 double v = func.value(x);
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	135 if (x > 0d && v > 0d) {
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	136 series.add(x, v);
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	137 }
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	138 }
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	139
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	140 return series;
080411ac948f More solid S/Q function sampling Sascha L. Teichmann <teichmann@intevation.de> parents: 3772 diff changeset	141 }
3018 fb07f936b5ad New helper. Felix Wolfsteller <felix.wolfsteller@intevation.de> parents: diff changeset	142 }
3083 4bd3d8bbb60c Added missing vim lines. Sascha L. Teichmann <sascha.teichmann@intevation.de> parents: 3076 diff changeset	143 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/jfree/JFreeUtil.java @ 4837:9e25c7523485