1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
|
package tim.prune.function.compress;
import tim.prune.App;
import tim.prune.UpdateMessageBroker;
import tim.prune.data.DataPoint;
/**
* Function to mark all the points inside or outside the selected rectangle
*/
public class MarkPointsInRectangleFunction extends MarkAndDeleteFunction
{
/** Minimum and maximum latitude values of rectangle */
private double _minLat = 0.0, _maxLat = 0.0;
/** Minimum and maximum longitude values of rectangle */
private double _minLon = 0.0, _maxLon = 0.0;
/** Mark the ones inside or mark the ones outside? */
private final boolean _markInside;
/**
* Constructor
* @param inApp App object
* @param inInside true for marking points inside, false for outside
*/
public MarkPointsInRectangleFunction(App inApp, boolean inInside)
{
super(inApp);
_markInside = inInside;
}
/** @return name key */
public String getNameKey() {
return _markInside ? "menu.track.markinsiderectangle" : "menu.track.markoutsiderectangle";
}
/**
* Set the coordinates of the rectangle
* @param inLon1 first longitude value
* @param inLat1 first latitude value
* @param inLon2 second longitude value
* @param inLat2 second latitude value
*/
public void setRectCoords(double inLon1, double inLat1, double inLon2, double inLat2)
{
if (inLon1 == inLon2 || inLat1 == inLat2)
{
// Coordinates not valid
_minLat = _maxLat = _minLon = _maxLon = 0.0;
}
else
{
_minLon = Math.min(inLon1, inLon2);
_maxLon = Math.max(inLon1, inLon2);
_minLat = Math.min(inLat1, inLat2);
_maxLat = Math.max(inLat1, inLat2);
}
}
/**
* Begin the function using the set parameters
*/
public void begin()
{
if (_maxLon == _minLon || _maxLat == _minLat) {
return;
}
// Loop over all points in track
final int numPoints = _app.getTrackInfo().getTrack().getNumPoints();
int numMarked = 0;
int numNotMarked = 0;
_app.getTrackInfo().clearAllMarkers();
for (int i=0; i<numPoints; i++)
{
DataPoint point = _app.getTrackInfo().getTrack().getPoint(i);
// For each point, see if it's within the rectangle
final double pointLon = point.getLongitude().getDouble();
final double pointLat = point.getLatitude().getDouble();
final boolean insideRect = (pointLon >= _minLon && pointLon <= _maxLon
&& pointLat >= _minLat && pointLat <= _maxLat);
if (insideRect == _markInside) {
_app.getTrackInfo().markPointForDeletion(i);
numMarked++;
}
else {
numNotMarked++;
}
}
// Inform subscribers to update display
UpdateMessageBroker.informSubscribers();
// Confirm message showing how many marked
if (numMarked > 0 && numNotMarked > 0) {
optionallyDeleteMarkedPoints(numMarked);
}
}
/** for this function, segments should be split at deleted points */
protected boolean getShouldSplitSegments() {
return true;
}
}
|
