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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Mobility Components.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
import Qt 4.7
import QtMobility.location 1.2
Item {
id: page
width: 320
height: 480
focus: true
PositionSource {
id: myPositionSource
active: true
updateInterval: 2000
nmeaSource: 'nmealog.txt'
onPositionChanged: console.log("Position changed in PositionSource")
}
LandmarkBoxFilter {
id: boxFilter
topLeft: map.toCoordinate(Qt.point(0,0))
bottomRight: map.toCoordinate(Qt.point(page.width, page.height))
}
LandmarkProximityFilter {
id: proximityFilter
center: myPositionSource.position.coordinate
//center: Coordinate {latitude: -27; longitude: 153}
radius: 500000
}
LandmarkModel {
id: landmarkModelAll
autoUpdate: true
filter: boxFilter
limit: 50
onModelChanged: {
console.log("All landmark model changed, landmark count: " + count)
}
}
//! [LandmarkModel proximity filter]
LandmarkModel {
id: landmarkModelNear
autoUpdate: true
filter: proximityFilter
limit: 50
onModelChanged: {
console.log("Near landmark model changed, landmark count: " + count)
}
}
//! [LandmarkModel proximity filter]
Rectangle {
id: dataArea
anchors.fill: parent
color: "#343434"
//![Basic MapObjects and View on Map]
Map {
id: map
plugin : Plugin {name : "nokia"}
anchors.fill: parent
size.width: parent.width
size.height: parent.height
zoomLevel: 10
MapObjectView {
id: allLandmarks
model: landmarkModelAll
delegate: Component {
MapCircle {
color: "green"
radius: 1000
center: Coordinate {
latitude: landmark.coordinate.latitude
longitude: landmark.coordinate.longitude
}
}
}
}
MapCircle {
id: myPosition
color: "yellow"
radius: 1000
center: myPositionSource.position.coordinate
}
//![Basic MapObjects and View on Map]
MapObjectView {
id: landmarksNearMe
model: landmarkModelNear
delegate: Component {
MapGroup {
MapCircle {
color: "red"
radius: 1000
center: Coordinate {
latitude: landmark.coordinate.latitude
longitude: landmark.coordinate.longitude
}
}
}
}
}
// center: Coordinate {latitude: -27; longitude: 153}
center: myPositionSource.position.coordinate
onZoomLevelChanged: {
console.log("Zoom changed")
updateFilters();
}
onCenterChanged: {
console.log("Center changed")
updateFilters();
}
function updateFilters () {
// The pixel coordinates used are the map's pixel coordinates, not
// the absolute pixel coordinates of the application. Hence e.g. (0,0) is always
// the top left point
var topLeftCoordinate = map.toCoordinate(Qt.point(0,0))
var bottomRightCoordinate = map.toCoordinate(Qt.point(map.size.width, map.size.height))
boxFilter.topLeft = topLeftCoordinate;
boxFilter.bottomRight = bottomRightCoordinate;
}
} // map
} // dataArea
} // page
|
