root / trunk / libraries / libRaster / src / org / gvsig / raster / util / DataClassList.java @ 11068
History | View | Annotate | Download (1.95 KB)
1 |
package org.gvsig.raster.util; |
---|---|
2 |
|
3 |
import java.util.ArrayList; |
4 |
|
5 |
|
6 |
/**
|
7 |
*
|
8 |
* @author Nacho Brodin (nachobrodin@gmail.com)
|
9 |
*
|
10 |
*/
|
11 |
public class DataClassList { |
12 |
private ArrayList classes = new ArrayList(); |
13 |
|
14 |
/**
|
15 |
* Obtiene el identificador de la clase
|
16 |
* @param value Identificador de la clase
|
17 |
* @return
|
18 |
*/
|
19 |
public String getClassID(double value){ |
20 |
for (int i = 0; i < classes.size(); i++) { |
21 |
if(((DataClass)classes.get(i)).isIn(value))
|
22 |
return ((DataClass)classes.get(i)).getId();
|
23 |
} |
24 |
return null; |
25 |
} |
26 |
|
27 |
/**
|
28 |
* Obtiene la posici?n de la clase
|
29 |
* @param value Posici?n de la clase
|
30 |
* @return
|
31 |
*/
|
32 |
public int getClassPosition(double value){ |
33 |
for (int i = 0; i < classes.size(); i++) { |
34 |
if(((DataClass)classes.get(i)).isIn(value))
|
35 |
return ((DataClass)classes.get(i)).getPos();
|
36 |
} |
37 |
return -1; |
38 |
} |
39 |
|
40 |
/**
|
41 |
* A?ade una clase
|
42 |
* @param dataClass
|
43 |
*/
|
44 |
public void addClass(DataClass dataClass){ |
45 |
classes.add(dataClass); |
46 |
} |
47 |
|
48 |
/**
|
49 |
* Obtiene el n?mero de clases contenidas
|
50 |
* @return Entero con el n?mero de clases contenidas
|
51 |
*/
|
52 |
public int length(){ |
53 |
return classes.size();
|
54 |
} |
55 |
|
56 |
/**
|
57 |
* Elimina todos los elementos de la lista
|
58 |
*/
|
59 |
public void clear(){ |
60 |
classes.clear(); |
61 |
} |
62 |
|
63 |
/**
|
64 |
* Generador automatico de lista de clases. A partir de un valor m?ximo, un m?nimo
|
65 |
* y un n?mero de clases devuelve la lista de clases.
|
66 |
*
|
67 |
* @param min Valor m?nimo de la lista de clases
|
68 |
* @param max Valor m?ximo de la lista de clases
|
69 |
* @param nClasses N?mero de clases
|
70 |
* @return DataClassList
|
71 |
*/
|
72 |
public static DataClassList getClasses(double min, double max, int nClasses){ |
73 |
double distance = (max - min) / (double)nClasses; |
74 |
|
75 |
double begin = min;
|
76 |
double end = begin + distance;
|
77 |
DataClass dataClass = null;
|
78 |
DataClassList dataClassList = new DataClassList();
|
79 |
for (int i = 0; i < nClasses; i++) { |
80 |
dataClass = new DataClass(begin, end, i, ""); |
81 |
dataClassList.addClass(dataClass); |
82 |
begin = end; |
83 |
end += distance; |
84 |
} |
85 |
return dataClassList;
|
86 |
} |
87 |
|
88 |
} |