Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/math/XYColumn.java @ 779:b1f5f2a8840f

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Ordered imports. Removed needless imports. Removed empty headers. gnv-artifacts/trunk@854 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 29 Mar 2010 08:51:20 +0000
parents bc5901bb4525
children c4156275c1e1
rev   line source
427
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.math;
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
2
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
3 import java.util.ArrayList;
779
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 451
diff changeset
4 import java.util.Collections;
427
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
5 import java.util.List;
779
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 451
diff changeset
6
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 451
diff changeset
7 import org.apache.commons.math.FunctionEvaluationException;
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 451
diff changeset
8 import org.apache.commons.math.MathException;
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 451
diff changeset
9
b1f5f2a8840f Ordered imports. Removed needless imports. Removed empty headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 451
diff changeset
10 import org.apache.commons.math.analysis.UnivariateRealFunction;
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
11
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
12 import org.apache.commons.math.analysis.interpolation.SplineInterpolator;
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
13 import org.apache.commons.math.analysis.interpolation.UnivariateRealInterpolator;
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
14
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
15 import org.apache.log4j.Logger;
427
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
16
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
17 /**
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
18 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
431
422275fc9927 Refactored the XYColumn and Point2d code a bit to be more reusable in 3D.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 429
diff changeset
19 * @author Sascha L. Teichmann <sascha.teichmann@intevation.de>
427
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
20 */
429
bed9735adf84 Finished preprocessing data for interpolation in verticalcrosssection charts.ß
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 427
diff changeset
21 public class XYColumn
431
422275fc9927 Refactored the XYColumn and Point2d code a bit to be more reusable in 3D.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 429
diff changeset
22 extends Point2d
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
23 implements UnivariateRealFunction
429
bed9735adf84 Finished preprocessing data for interpolation in verticalcrosssection charts.ß
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 427
diff changeset
24 {
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 433
diff changeset
25 private static Logger log = Logger.getLogger(XYColumn.class);
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
26
432
6a70e8883307 Added some type safety. Fixed z value bug in reading database preprocessing. Only dissemble WKT points if really needed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 431
diff changeset
27 protected List<HeightValue> values;
427
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
28
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
29 protected transient UnivariateRealFunction curve;
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
30
431
422275fc9927 Refactored the XYColumn and Point2d code a bit to be more reusable in 3D.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 429
diff changeset
31 public XYColumn() {
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
32 values = new ArrayList<HeightValue>();
431
422275fc9927 Refactored the XYColumn and Point2d code a bit to be more reusable in 3D.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 429
diff changeset
33 }
427
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
34
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
35 public XYColumn(double x, double y, int i, int j) {
431
422275fc9927 Refactored the XYColumn and Point2d code a bit to be more reusable in 3D.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 429
diff changeset
36 super(x, y, i, j);
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
37 values = new ArrayList<HeightValue>();
427
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
38 }
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
39
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
40 public void add(HeightValue value) {
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
41 values.add(value);
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
42 }
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
43
432
6a70e8883307 Added some type safety. Fixed z value bug in reading database preprocessing. Only dissemble WKT points if really needed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 431
diff changeset
44 public List<HeightValue> getValues() {
6a70e8883307 Added some type safety. Fixed z value bug in reading database preprocessing. Only dissemble WKT points if really needed.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 431
diff changeset
45 return values;
427
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
46 }
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
47
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
48 public double value(double depth) {
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
49 try {
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
50 if (curve != null) {
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 433
diff changeset
51 HeightValue h = values.get(0);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 433
diff changeset
52 // extrapolate beyond boundaries by repeating
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 433
diff changeset
53 if (depth > h.z) return h.v;
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 433
diff changeset
54 h = values.get(values.size()-1);
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 433
diff changeset
55 if (depth < h.z) return h.v;
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
56 return curve.value(depth);
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
57 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
58 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
59 catch (FunctionEvaluationException fee) {
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
60 log.error("evaluation failed", fee);
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
61 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
62
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
63 return Double.NaN;
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
64 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
65
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 433
diff changeset
66 public boolean prepare(XYDepth xyDepth) {
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 440
diff changeset
67 if (curve == null) {
451
bc5901bb4525 Use JFreeCharts ValueAxis.valueToJava2D() to transform data values
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 448
diff changeset
68 int N = values.size();
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 440
diff changeset
69 if (N == 0) {
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 440
diff changeset
70 log.error("no points for interpolation");
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 440
diff changeset
71 return false;
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 440
diff changeset
72 }
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 440
diff changeset
73
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
74 if (N == 1) {
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
75 // only one value -> constant function
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
76 curve = new ConstantFunction(values.get(0).v);
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
77 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
78 else { // more than on value
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
79 double depth = xyDepth.depth(this);
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
80 Collections.sort(values, HeightValue.INV_Z_COMPARATOR);
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
81
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
82 // if there is no value at 0 repeat first value
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
83 HeightValue first = values.get(0);
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
84 if (first.z < 0d) {
448
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 445
diff changeset
85 values.add(0, new HeightValue(0d, first.v, first.k-1));
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 440
diff changeset
86 ++N;
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
87 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
88
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
89 // if there is no value at depth repeat last value
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
90 HeightValue last = values.get(N-1);
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
91 if (last.z > depth) {
448
3cb2bea50456 Generate iso line classes according gnv-issues/issue108
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 445
diff changeset
92 values.add(new HeightValue(depth, last.v, last.k+1));
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 440
diff changeset
93 ++N;
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
94 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
95 if (N < 3) { // interpolate linear
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
96 first = values.get(0);
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
97 last = values.get(N-1);
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
98 curve = new LinearFunction.Univariate(
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
99 first.z, first.v,
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
100 last.z, last.v);
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
101 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
102 else { // higher degree interpolation
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
103 double [] z = new double[N];
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
104 double [] v = new double[N];
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
105 for (int i = 0; i < N; ++i) {
445
f42ed4f10b79 Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 440
diff changeset
106 HeightValue h = values.get(N-1-i);
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
107 z[i] = h.z;
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
108 v[i] = h.v;
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
109 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
110 try {
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
111 curve = getInterpolator().interpolate(z, v);
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
112 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
113 catch (MathException me) {
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
114 log.error("interpolation failed", me);
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 433
diff changeset
115 return false;
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
116 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
117 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
118 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
119 }
434
0eed5749fd63 Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 433
diff changeset
120 return true;
433
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
121 }
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
122
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
123 protected UnivariateRealInterpolator getInterpolator() {
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
124 return new SplineInterpolator();
828df3ddb758 Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 432
diff changeset
125 }
427
a95aaeb206f7 Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
126 }
431
422275fc9927 Refactored the XYColumn and Point2d code a bit to be more reusable in 3D.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 429
diff changeset
127 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org