Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/math/XYColumn.java @ 845:797a6264b89b
Integrated the CacheCleaner for the ThematicDataCache
gnv-artifacts/trunk@961 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
---|---|
date | Tue, 20 Apr 2010 18:38:22 +0000 |
parents | 05bf8534a35a |
children | f953c9a559d8 |
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 /** |
807
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
18 * A column of discrete attributed height values located at a point. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
19 * Values between the discrete height values are interpolated. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
20 * |
780
c4156275c1e1
Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
779
diff
changeset
|
21 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
c4156275c1e1
Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
779
diff
changeset
|
22 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> |
427
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
23 */ |
429
bed9735adf84
Finished preprocessing data for interpolation in verticalcrosssection charts.ß
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
427
diff
changeset
|
24 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
|
25 extends Point2d |
433
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
26 implements UnivariateRealFunction |
429
bed9735adf84
Finished preprocessing data for interpolation in verticalcrosssection charts.ß
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
427
diff
changeset
|
27 { |
434
0eed5749fd63
Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
433
diff
changeset
|
28 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
|
29 |
807
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
30 /** |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
31 * The list of discrete height values. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
32 */ |
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
|
33 protected List<HeightValue> values; |
427
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
34 |
807
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
35 /** |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
36 * The curve used to interpolate the points between the |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
37 * discrete height values. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
38 */ |
433
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
39 protected transient UnivariateRealFunction curve; |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
40 |
807
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
41 /** |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
42 * Default constructor. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
43 */ |
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
|
44 public XYColumn() { |
433
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
45 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
|
46 } |
427
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
47 |
807
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
48 /** |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
49 * Constructor to create an XYColumn with a given (x, y) coordinate |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
50 * and an (i, j) index tuple. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
51 * @param x The x coordinate. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
52 * @param y The y coordinate. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
53 * @param i The i component. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
54 * @param j The j component. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
55 */ |
427
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
56 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
|
57 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
|
58 values = new ArrayList<HeightValue>(); |
427
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
59 } |
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
60 |
807
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
61 /** |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
62 * Adds a given height value to the list of height values. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
63 * @param value The height value. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
64 */ |
427
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
65 public void add(HeightValue value) { |
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
66 values.add(value); |
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
67 } |
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
68 |
807
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
69 /** |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
70 * Returns the list of height values. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
71 * @return The list of height values. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
72 */ |
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
|
73 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
|
74 return values; |
427
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
75 } |
433
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
76 |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
77 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
|
78 try { |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
79 if (curve != null) { |
434
0eed5749fd63
Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
433
diff
changeset
|
80 HeightValue h = values.get(0); |
0eed5749fd63
Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
433
diff
changeset
|
81 // extrapolate beyond boundaries by repeating |
0eed5749fd63
Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
433
diff
changeset
|
82 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
|
83 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
|
84 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
|
85 return curve.value(depth); |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
86 } |
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 catch (FunctionEvaluationException fee) { |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
89 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
|
90 } |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
91 |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
92 return Double.NaN; |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
93 } |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
94 |
807
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
95 /** |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
96 * Prepares this XYColumn to be queried. A given XYDepth |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
97 * object is used to fill the values to a certain depth. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
98 * @param xyDepth To figure out the depth a the cordinate. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
99 * @return true if preparation succeeds else false. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
100 */ |
434
0eed5749fd63
Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
433
diff
changeset
|
101 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
|
102 if (curve == null) { |
451
bc5901bb4525
Use JFreeCharts ValueAxis.valueToJava2D() to transform data values
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
448
diff
changeset
|
103 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
|
104 if (N == 0) { |
f42ed4f10b79
Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
440
diff
changeset
|
105 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
|
106 return false; |
f42ed4f10b79
Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
440
diff
changeset
|
107 } |
f42ed4f10b79
Fixed some bugs and create "Profilschnitt" polygons via configuration.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
440
diff
changeset
|
108 |
433
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
109 if (N == 1) { |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
110 // 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
|
111 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
|
112 } |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
113 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
|
114 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
|
115 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
|
116 |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
117 // 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
|
118 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
|
119 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
|
120 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
|
121 ++N; |
433
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 |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
124 // 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
|
125 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
|
126 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
|
127 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
|
128 ++N; |
433
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
129 } |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
130 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
|
131 first = values.get(0); |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
132 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
|
133 curve = new LinearFunction.Univariate( |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
134 first.z, first.v, |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
135 last.z, last.v); |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
136 } |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
137 else { // higher degree interpolation |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
138 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
|
139 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
|
140 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
|
141 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
|
142 z[i] = h.z; |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
143 v[i] = h.v; |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
144 } |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
145 try { |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
146 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
|
147 } |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
148 catch (MathException me) { |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
149 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
|
150 return false; |
433
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
151 } |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
152 } |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
153 } |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
154 } |
434
0eed5749fd63
Implemented the raster interpolation for the 'Profilschnitt'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
433
diff
changeset
|
155 return true; |
433
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
156 } |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
157 |
807
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
158 /** |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
159 * Returns the interpolator used to interpolate the values between |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
160 * the discrete height values. This class returns an instance of |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
161 * {@link org.apache.commons.math.analysis.interpolation.SplineInterpolator}. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
162 * Override this if you want to use another kind of interpolation. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
163 * @return The interpolator to be used. |
a645bd23c1c8
Added more javadoc. Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
798
diff
changeset
|
164 */ |
433
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
165 protected UnivariateRealInterpolator getInterpolator() { |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
166 return new SplineInterpolator(); |
828df3ddb758
Added interpolation capabilities along z axis to XYColumns.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
432
diff
changeset
|
167 } |
427
a95aaeb206f7
Added data model classes to store information for interpolation.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff
changeset
|
168 } |
836
05bf8534a35a
Using unix line endings only.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
807
diff
changeset
|
169 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |