root / org.gvsig.toolbox / trunk / org.gvsig.toolbox / org.gvsig.toolbox.algorithm / src / main / java / es / unex / sextante / gridCategorical / fragstatsArea / ClassInfo.java @ 59
History | View | Annotate | Download (2.55 KB)
1 |
package es.unex.sextante.gridCategorical.fragstatsArea; |
---|---|
2 |
|
3 |
import es.unex.sextante.math.simpleStats.SimpleStats; |
4 |
|
5 |
public class ClassInfo { |
6 |
|
7 |
private double m_dArea = 0; |
8 |
private int m_iAreaInCells = 0; |
9 |
private double m_dPerimeter = 0; |
10 |
private int m_iPerimeterInCells = 0; |
11 |
private double m_dLargestPatchArea = 0; |
12 |
private double m_dTotalLandscapeArea = 0; |
13 |
private int m_iPatches = 0; |
14 |
private final SimpleStats m_Area; |
15 |
private final SimpleStats m_RadiusOfGyration; |
16 |
|
17 |
|
18 |
public ClassInfo() {
|
19 |
|
20 |
m_Area = new SimpleStats();
|
21 |
m_RadiusOfGyration = new SimpleStats();
|
22 |
|
23 |
} |
24 |
|
25 |
|
26 |
public void setTotalLandscapeArea(final double dArea) { |
27 |
|
28 |
m_dTotalLandscapeArea = dArea; |
29 |
|
30 |
} |
31 |
|
32 |
|
33 |
public void add(final PatchInfo info) { |
34 |
|
35 |
m_iPatches++; |
36 |
m_dArea += info.getArea(); |
37 |
m_iAreaInCells += info.getAreaInCells(); |
38 |
m_dPerimeter += info.getPerimeter(); |
39 |
m_iPerimeterInCells += info.getPerimeterInCells(); |
40 |
m_dLargestPatchArea = Math.max(m_dLargestPatchArea, info.getArea());
|
41 |
m_Area.addValue(info.getArea()); |
42 |
m_RadiusOfGyration.addValue(info.getRadiusOfGyration()); |
43 |
|
44 |
} |
45 |
|
46 |
|
47 |
public double getTotalArea() { |
48 |
|
49 |
return m_dArea;
|
50 |
|
51 |
} |
52 |
|
53 |
|
54 |
public double getPercentageOfLandscape() { |
55 |
|
56 |
return m_dArea / m_dTotalLandscapeArea * 100; |
57 |
|
58 |
} |
59 |
|
60 |
|
61 |
public int getPatchesCount() { |
62 |
|
63 |
return m_iPatches;
|
64 |
|
65 |
} |
66 |
|
67 |
|
68 |
public double getPatchDensity() { |
69 |
|
70 |
return m_iPatches * 10000. / m_dTotalLandscapeArea * 100; |
71 |
|
72 |
} |
73 |
|
74 |
|
75 |
public double getTotalEdge() { |
76 |
|
77 |
return m_dPerimeter;
|
78 |
|
79 |
} |
80 |
|
81 |
|
82 |
public double getEdgeDensity() { |
83 |
|
84 |
return m_dPerimeter * 10000. / m_dTotalLandscapeArea; |
85 |
|
86 |
} |
87 |
|
88 |
|
89 |
public double getLandscapeShapeIndex() { |
90 |
|
91 |
int min;
|
92 |
final int n = (int) Math.floor(Math.sqrt(m_dArea)); |
93 |
final double m = m_dArea - n * n; |
94 |
|
95 |
if (m == 0) { |
96 |
min = 4 * n;
|
97 |
} |
98 |
else if (m_dArea > n * (n + 1)) { |
99 |
min = 4 * n + 4; |
100 |
} |
101 |
else {
|
102 |
min = 4 * n + 2; |
103 |
} |
104 |
|
105 |
return (double) m_iPerimeterInCells / (double) min; |
106 |
} |
107 |
|
108 |
|
109 |
public double getLargestPatchIndex() { |
110 |
|
111 |
return m_dLargestPatchArea / m_dTotalLandscapeArea * 100; |
112 |
|
113 |
} |
114 |
|
115 |
|
116 |
public SimpleStats getPatchAreaDistribution() {
|
117 |
|
118 |
return m_Area;
|
119 |
|
120 |
} |
121 |
|
122 |
|
123 |
public SimpleStats getRadiusOfGyrationDistribution() {
|
124 |
|
125 |
return m_RadiusOfGyration;
|
126 |
|
127 |
} |
128 |
|
129 |
} |