annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/QRangeTree.java @ 3181:de67497de5a0

Completed inverse functions. flys-artifacts/trunk@4796 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 26 Jun 2012 10:54:12 +0000
parents 5642a83420f2
children 51f76225823b
rev   line source
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.model;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
2
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
3 import java.io.Serializable;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
4
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
5 import java.util.List;
2611
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
6 import java.util.ArrayList;
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
7
633
d08f77e7f7e8 WST value table: Qs are now stored in ranges for each column.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 632
diff changeset
8 import org.apache.log4j.Logger;
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
9
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
10 public class QRangeTree
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
11 implements Serializable
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
12 {
633
d08f77e7f7e8 WST value table: Qs are now stored in ranges for each column.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 632
diff changeset
13 private static Logger log = Logger.getLogger(QRangeTree.class);
d08f77e7f7e8 WST value table: Qs are now stored in ranges for each column.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 632
diff changeset
14
2611
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
15 public static final double EPSILON = 1e-4;
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
16
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
17 public static class Node
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
18 implements Serializable
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
19 {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
20 Node left;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
21 Node right;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
22 Node prev;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
23 Node next;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
24
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
25 double a;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
26 double b;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
27 double q;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
28
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
29 public Node() {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
30 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
31
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
32 public Node(double a, double b, double q) {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
33 this.a = a;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
34 this.b = b;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
35 this.q = q;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
36 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
37
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
38 protected final double interpolatePrev(double pos) {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
39 /*
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
40 f(prev.b) = prev.q
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
41 f(a) = q
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
42
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
43 prev.q = m*prev.b + n
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
44 q = m*a + n <=> n = q - m*a
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
45
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
46 q - prev.q = m*(a - prev.b)
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
47
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
48 m = (q - prev.q)/(a - prev.b) # a != prev.b
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
49 */
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
50
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
51 if (a == prev.b) {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
52 return 0.5*(q + prev.q);
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
53 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
54 double m = (q - prev.q)/(a - prev.b);
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
55 double n = q - m*a;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
56 return m*pos + n;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
57 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
58
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
59 protected final double interpolateNext(double pos) {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
60 /*
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
61 f(next.a) = next.q
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
62 f(b) = q
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
63
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
64 next.q = m*next.a + n
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
65 q = m*b + n <=> n = q - m*b
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
66
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
67 q - next.q = m*(b - next.a)
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
68 m = (q - next.q)/(b - next.a) # b != next.a
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
69 */
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
70
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
71 if (b == next.a) {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
72 return 0.5*(q + next.q);
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
73 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
74 double m = (q - next.q)/(b - next.a);
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
75 double n = q - m*b;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
76 return m*pos + n;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
77 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
78
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
79 public double findQ(double pos) {
633
d08f77e7f7e8 WST value table: Qs are now stored in ranges for each column.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 632
diff changeset
80
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
81 Node current = this;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
82 for (;;) {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
83 if (pos < current.a) {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
84 if (current.left != null) {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
85 current = current.left;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
86 continue;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
87 }
633
d08f77e7f7e8 WST value table: Qs are now stored in ranges for each column.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 632
diff changeset
88 return current.prev != null
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
89 ? current.interpolatePrev(pos)
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
90 : Double.NaN;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
91 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
92 if (pos > current.b) {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
93 if (current.right != null) {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
94 current = current.right;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
95 continue;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
96 }
633
d08f77e7f7e8 WST value table: Qs are now stored in ranges for each column.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 632
diff changeset
97 return current.next != null
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
98 ? current.interpolateNext(pos)
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
99 : Double.NaN;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
100 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
101 return current.q;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
102 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
103 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
104 } // class Node
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
105
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
106 protected Node root;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
107
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
108 public QRangeTree() {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
109 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
110
2609
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
111 public static final class AccessQAB {
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
112 private int startIndex;
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
113
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
114 public AccessQAB(int startIndex) {
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
115 this.startIndex = startIndex;
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
116 }
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
117
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
118 public Double getQ(Object [] row) {
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
119 return (Double)row[startIndex];
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
120 }
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
121
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
122 public Double getA(Object [] row) {
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
123 return (Double)row[startIndex+1];
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
124 }
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
125
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
126 public Double getB(Object [] row) {
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
127 return (Double)row[startIndex+2];
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
128 }
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
129 }
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
130
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
131 public static final AccessQAB WITH_COLUMN = new AccessQAB(1);
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
132 public static final AccessQAB WITHOUT_COLUMN = new AccessQAB(0);
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
133
632
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
134 /** wstQRanges need to be sorted by range.a */
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
135 public QRangeTree(List<Object []> qRanges, int start, int stop) {
2609
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
136 this(qRanges, WITH_COLUMN, start, stop);
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
137 }
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
138
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
139 public QRangeTree(
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
140 List<Object []> qRanges,
3076
5642a83420f2 FLYS artifacts: Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2993
diff changeset
141 AccessQAB accessQAB,
2609
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
142 int start,
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
143 int stop
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
144 ) {
632
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
145 if (stop <= start) {
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
146 return;
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
147 }
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
148
2611
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
149 int N = stop-start;
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
150
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
151 List<Node> nodes = new ArrayList<Node>(N);
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
152
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
153 Node last = null;
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
154
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
155 for (int i = 0; i < N; ++i) {
1890
9144e5a5027b (Picky) cosmetics.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 1020
diff changeset
156 Object [] qRange = qRanges.get(start + i);
2609
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
157 Double q = accessQAB.getQ(qRange);
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
158 Double a = accessQAB.getA(qRange);
ed550e325248 Little optimization when fetching q ranges for single columns of wsts.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 1890
diff changeset
159 Double b = accessQAB.getB(qRange);
632
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
160
2611
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
161 double av = a != null ? a.doubleValue() : -Double.MAX_VALUE;
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
162 double bv = b != null ? b.doubleValue() : Double.MAX_VALUE;
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
163 double qv = q.doubleValue();
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
164
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
165 // If nodes are directly neighbored and Qs are the same
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
166 // join them.
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
167 if (last != null
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
168 && Math.abs(last.b - av) < EPSILON
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
169 && Math.abs(last.q - qv) < EPSILON) {
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
170 last.b = bv;
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
171 }
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
172 else {
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
173 nodes.add(last = new Node(av, bv, qv));
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
174 }
632
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
175 }
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
176
2612
49cfa5c66651 Squashed performance bug introduced in rev4070. Now CSV export is about 245 times faster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2611
diff changeset
177 if (log.isDebugEnabled()) {
49cfa5c66651 Squashed performance bug introduced in rev4070. Now CSV export is about 245 times faster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2611
diff changeset
178 log.debug("Before/after nodes join: " +
49cfa5c66651 Squashed performance bug introduced in rev4070. Now CSV export is about 245 times faster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2611
diff changeset
179 N + "/" + nodes.size());
49cfa5c66651 Squashed performance bug introduced in rev4070. Now CSV export is about 245 times faster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2611
diff changeset
180 }
49cfa5c66651 Squashed performance bug introduced in rev4070. Now CSV export is about 245 times faster.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2611
diff changeset
181
632
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
182 root = wireTree(nodes);
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
183 }
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
184
2611
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
185 protected static Node wireTree(List<Node> nodes) {
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
186 int N = nodes.size();
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
187 for (int i = 0; i < N; ++i) {
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
188 Node node = nodes.get(i);
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
189 if (i > 0 ) node.prev = nodes.get(i-1);
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
190 if (i < N-1) node.next = nodes.get(i+1);
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
191 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
192
2611
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
193 return buildTree(nodes, 0, N-1);
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
194 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
195
2611
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
196 protected static Node buildTree(List<Node> nodes, int lo, int hi) {
632
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
197
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
198 if (lo > hi) {
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
199 return null;
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
200 }
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
201
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
202 int mid = (lo + hi) >> 1;
2611
62e5c6fd2a0c Join nodes in Q tree if they span a continuous interval and have same Qs.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2609
diff changeset
203 Node parent = nodes.get(mid);
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
204
632
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
205 parent.left = buildTree(nodes, lo, mid-1);
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
206 parent.right = buildTree(nodes, mid+1, hi);
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
207
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
208 return parent;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
209 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
210
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
211 public double findQ(double pos) {
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
212 return root != null ? root.findQ(pos) : Double.NaN;
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
213 }
632
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
214
2993
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
215 @Override
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
216 public String toString() {
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
217 StringBuilder sb = new StringBuilder();
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
218 inorder(root, sb);
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
219 return sb.toString();
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
220 }
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
221
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
222 protected static void inorder(Node node, StringBuilder sb) {
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
223 if (node != null) {
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
224 inorder(node.left, sb);
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
225 sb.append('[')
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
226 .append(node.a)
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
227 .append(", ")
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
228 .append(node.b)
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
229 .append(": ")
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
230 .append(node.q)
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
231 .append(']');
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
232 inorder(node.right, sb);
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
233 }
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
234 }
70469e3d34b9 FixA: Made Delta W/t calculation finally work
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 2612
diff changeset
235
632
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
236 private static final String name(Object o) {
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
237 return String.valueOf(System.identityHashCode(o) & 0xffffffffL);
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
238 }
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
239
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
240 public String toGraph() {
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
241 StringBuilder sb = new StringBuilder();
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
242 sb.append("subgraph c");
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
243 sb.append(name(this));
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
244 sb.append(" {\n");
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
245 if (root != null) {
1020
a776afdf1ec5 Cosmetic: Replaced usage of legacy java.util.Stack with java.util.Deque.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 633
diff changeset
246 java.util.Deque<Node> stack = new java.util.ArrayDeque<Node>();
632
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
247 stack.push(root);
1020
a776afdf1ec5 Cosmetic: Replaced usage of legacy java.util.Stack with java.util.Deque.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 633
diff changeset
248 while (!stack.isEmpty()) {
632
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
249 Node current = stack.pop();
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
250 String name = "n" + name(current);
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
251 sb.append(name);
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
252 sb.append(" [label=\"");
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
253 sb.append(current.a).append(", ").append(current.b);
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
254 sb.append(": ").append(current.q).append("\"]\n");
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
255 if (current.left != null) {
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
256 String leftName = name(current.left);
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
257 sb.append(name).append(" -- n").append(leftName).append("\n");
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
258 stack.push(current.left);
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
259 }
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
260 if (current.right != null) {
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
261 String rightName = name(current.right);
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
262 sb.append(name).append(" -- n").append(rightName).append("\n");
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
263 stack.push(current.right);
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
264 }
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
265 }
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
266 }
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
267 sb.append("}\n");
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
268 return sb.toString();
07640ab913fd First part of storing qs in ranges
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 625
diff changeset
269 }
625
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
270 }
c0c60a611fca Introduce model to store q values of WST columns efficiently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
271 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :

http://dive4elements.wald.intevation.org