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This commit is contained in:
Markus Bullmann
2019-02-26 14:46:10 +01:00
parent 0259ffd950
commit 0032606d56
13 changed files with 939 additions and 1 deletions
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2
.gitignore vendored
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@@ -37,4 +37,4 @@ Makefile*
# QtCtreator CMake # QtCtreator CMake
CMakeLists.txt.user* CMakeLists.txt.user*
PaxHeader/

105
Manager.cpp Normal file
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#include "Manager.h"
#ifdef ANDROID
#include <QtAndroidExtras/QAndroidJniObject>
#endif
#include <iostream>
#include <QDebug>
#include <sstream>
const std::string NUC1 = "38:de:ad:6d:77:25";
const std::string NUC2 = "38:de:ad:6d:60:ff";
const std::string NUC3 = "1c:1b:b5:ef:a2:9a";
const std::string NUC4 = "1c:1b:b5:ec:d1:82";
Manager::Manager() {
}
void Manager::trigger() {
#ifdef ANDROID
QAndroidJniObject::callStaticMethod<int>("android/net/wifi/RTT", "start", "()I");
#else
//onData("38:de:ad:6d:77:25;FAILED");
onData(NUC1+";6230;1231");
onData(NUC2+";3430;3423");
onData(NUC3+";5630;2341");
onData(NUC4+";8830;2241");
#endif
}
void Manager::onData(std::string str) {
qDebug() << QString(str.c_str());
std::stringstream lineStream(str);
std::string cell;
std::string mac;
int distIndex = 0;
int i = 0;
const float alpha = 0.7f;
while (std::getline(lineStream, cell, ';')) {
switch(i) {
case 0: {
if(NUC1 == cell) {distIndex = 0;}
if(NUC2 == cell) {distIndex = 1;}
if(NUC3 == cell) {distIndex = 2;}
if(NUC4 == cell) {distIndex = 3;}
break;
}
case 1: {
if ("FAILED" == cell) {
_dist[distIndex] = 0;
} else {
//_dist[distIndex] = std::stoi(cell);
_dist[distIndex] = _dist[distIndex] * alpha + atoi(cell.c_str()) * (1-alpha);
}
break;
}
case 2: {
_stdDev[distIndex] = atoi(cell.c_str());
break;
}
}
++i;
}
emit distChanged();
}
Manager mgmt;
#ifdef ANDROID
extern "C" {
JNIEXPORT void JNICALL Java_android_net_wifi_RTT_onRTTComplete(JNIEnv* env, jobject jobj, jbyteArray arrayID) {
(void) env; (void) jobj;
jsize length = env->GetArrayLength(arrayID);
jbyte* data = env->GetByteArrayElements(arrayID, 0);
std::string str((char*)data, length);
env->ReleaseByteArrayElements(arrayID, data, JNI_ABORT);
mgmt.onData(str);
}
}
#endif

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Manager.h Normal file
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#ifndef MANAGER_H
#define MANAGER_H
#include <QObject>
class Manager : public QObject {
Q_OBJECT
private:
float _dist[4];
float _stdDev[4];
public:
Q_PROPERTY(float dist1 READ getDist1() NOTIFY distChanged)
Q_PROPERTY(float dist2 READ getDist2() NOTIFY distChanged)
Q_PROPERTY(float dist3 READ getDist3() NOTIFY distChanged)
Q_PROPERTY(float dist4 READ getDist4() NOTIFY distChanged)
Q_PROPERTY(float stdDev1 READ getStdDev1() NOTIFY distChanged)
Q_PROPERTY(float stdDev2 READ getStdDev2() NOTIFY distChanged)
Q_PROPERTY(float stdDev3 READ getStdDev3() NOTIFY distChanged)
Q_PROPERTY(float stdDev4 READ getStdDev4() NOTIFY distChanged)
Q_INVOKABLE void trigger();
void onData(std::string str);
public:
float getDist1() {return _dist[0];}
float getDist2() {return _dist[1];}
float getDist3() {return _dist[2];}
float getDist4() {return _dist[3];}
float getStdDev1() {return _stdDev[0];}
float getStdDev2() {return _stdDev[1];}
float getStdDev3() {return _stdDev[2];}
float getStdDev4() {return _stdDev[3];}
signals:
void distChanged();
public:
Manager();
};
#endif // MANAGER_H

45
RTT.pro Normal file
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QT += quick
QT += androidextras
CONFIG += c++11
# The following define makes your compiler emit warnings if you use
# any feature of Qt which as been marked deprecated (the exact warnings
# depend on your compiler). Please consult the documentation of the
# deprecated API in order to know how to port your code away from it.
DEFINES += QT_DEPRECATED_WARNINGS
# You can also make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
SOURCES += \
main.cpp \
Manager.cpp
RESOURCES += qml.qrc
OTHER_FILES += \
_android/src/MyActivity.java\
_android/src/WiFi.java\
_android/src/RTT.java\
_android/src/LocationPermissionController.java\
_android/AndroidManifest.xml
# use files in ./_android for the project as well
ANDROID_PACKAGE_SOURCE_DIR = $$PWD/_android
# Additional import path used to resolve QML modules in Qt Creator's code model
QML_IMPORT_PATH =
# Additional import path used to resolve QML modules just for Qt Quick Designer
QML_DESIGNER_IMPORT_PATH =
# Default rules for deployment.
qnx: target.path = /tmp/$${TARGET}/bin
else: unix:!android: target.path = /opt/$${TARGET}/bin
!isEmpty(target.path): INSTALLS += target
HEADERS += \
Manager.h

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_android/AndroidManifest.xml Normal file
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<?xml version="1.0"?>
<manifest package="indoor.java" xmlns:android="http://schemas.android.com/apk/res/android" android:versionName="1.0" android:versionCode="1" android:installLocation="auto">
<uses-sdk android:minSdkVersion="26"/>
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE"/>
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
<uses-permission android:name="android.permission.BLUETOOTH"/>
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.WAKE_LOCK"/>
<uses-permission android:name="android.permission.BODY_SENSORS"/>
<uses-permission android:name="android.permission.INTERNET"/>
<supports-screens android:largeScreens="true" android:normalScreens="true" android:anyDensity="true" android:smallScreens="true"/>
<application android:name="org.qtproject.qt5.android.bindings.QtApplication" android:label="@string/app_name">
<activity android:configChanges="orientation|uiMode|screenLayout|screenSize|smallestScreenSize|locale|fontScale|keyboard|keyboardHidden|navigation" android:name="indoor.java.MyActivity" android:label="TEST" android:screenOrientation="unspecified">
<intent-filter>
<action android:name="android.intent.action.MAIN"/>
<category android:name="android.intent.category.LAUNCHER"/>
</intent-filter>
<meta-data android:name="android.app.lib_name" android:value="-- %%INSERT_APP_LIB_NAME%% --"/>
<meta-data android:name="android.app.qt_sources_resource_id" android:resource="@array/qt_sources"/>
<meta-data android:name="android.app.repository" android:value="default"/>
<meta-data android:name="android.app.qt_libs_resource_id" android:resource="@array/qt_libs"/>
<meta-data android:name="android.app.bundled_libs_resource_id" android:resource="@array/bundled_libs"/>
<meta-data android:name="android.app.bundle_local_qt_libs" android:value="-- %%BUNDLE_LOCAL_QT_LIBS%% --"/>
<meta-data android:name="android.app.bundled_in_lib_resource_id" android:resource="@array/bundled_in_lib"/>
<meta-data android:name="android.app.bundled_in_assets_resource_id" android:resource="@array/bundled_in_assets"/>
<meta-data android:name="android.app.use_local_qt_libs" android:value="-- %%USE_LOCAL_QT_LIBS%% --"/>
<meta-data android:name="android.app.libs_prefix" android:value="/data/local/tmp/qt/"/>
<meta-data android:name="android.app.load_local_libs" android:value="-- %%INSERT_LOCAL_LIBS%% --"/>
<meta-data android:name="android.app.load_local_jars" android:value="-- %%INSERT_LOCAL_JARS%% --"/>
<meta-data android:name="android.app.static_init_classes" android:value="-- %%INSERT_INIT_CLASSES%% --"/>
<meta-data android:value="@string/ministro_not_found_msg" android:name="android.app.ministro_not_found_msg"/>
<meta-data android:value="@string/ministro_needed_msg" android:name="android.app.ministro_needed_msg"/>
<meta-data android:value="@string/fatal_error_msg" android:name="android.app.fatal_error_msg"/>
</activity>
</application>
</manifest>

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_android/build.gradle.2 Normal file
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buildscript {
dependencies {
compile fileTree(dir: 'libs', include: ['*.jar'])
compile "com.android.support:support-v4:23.0.+"
}
}

70
_android/src/LocationPermissionController.java Normal file
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package de.plinzen.android.rttmanager.permission;
import android.Manifest;
import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.support.annotation.NonNull;
//import android.support.design.widget.Snackbar;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.view.View;
//import de.plinzen.android.rttmanager.R;
/*
public class LocationPermissionController {
private static final int REQUEST_LOCATION_PERMISSION = 8545;
public boolean checkLocationPermissions(final Context context) {
return ContextCompat.checkSelfPermission(context, Manifest.permission.ACCESS_COARSE_LOCATION) ==
PackageManager.PERMISSION_GRANTED && ContextCompat.checkSelfPermission(context, Manifest.permission
.ACCESS_FINE_LOCATION) == PackageManager.PERMISSION_GRANTED;
}
public boolean onRequestPermissionsResult(final int requestCode, @NonNull final String[] permissions,
@NonNull final int[] grantResults) {
if (requestCode == REQUEST_LOCATION_PERMISSION) {
return verifyPermissions(grantResults);
}
return false;
}
public void requestLocationPermission(final Activity activity, final View snackbarContainer) {
if (ActivityCompat.shouldShowRequestPermissionRationale(activity, Manifest.permission.ACCESS_COARSE_LOCATION) ||
ActivityCompat.shouldShowRequestPermissionRationale(activity, Manifest.permission
.ACCESS_FINE_LOCATION)) {
// Snackbar.make(snackbarContainer, R.string.permission_location_description, Snackbar.LENGTH_INDEFINITE)
// .setAction(android.R.string.ok, view -> requestPermissions(activity)).show();
Snackbar.make(snackbarContainer, R.string.permission_location_description, Snackbar.LENGTH_INDEFINITE)
.setAction(android.R.string.ok, new View.OnClickListener() {
public void onClick(View v) {
requestPermissions(activity);
}
}).show();
} else {
requestPermissions(activity);
}
}
private void requestPermissions(final Activity activity) {
// ActivityCompat.requestPermissions(activity,
// new String[]{Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION},
// REQUEST_LOCATION_PERMISSION);
}
private boolean verifyPermissions(int[] grantResults) {
if (grantResults.length < 1) {
return false;
}
for (int result : grantResults) {
if (result != PackageManager.PERMISSION_GRANTED) {
return false;
}
}
return true;
}
}
*/

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_android/src/MyActivity.java Normal file
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package indoor.java;
import android.os.Bundle;
import android.view.WindowManager;
import org.qtproject.qt5.android.bindings.QtActivity;
import android.widget.Toast;
public class MyActivity extends QtActivity {
public static MyActivity act;
// IPIN2016
//private StepLoggerClient stepLogger;
@Override
public void onCreate(Bundle savedState) {
MyActivity.act = this;
super.onCreate(savedState);
// prevent power-safe?
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
// IPIN2016
//stepLogger = new StepLoggerClient(this);
}
@Override
public void onDestroy() {
super.onDestroy();
MyActivity.act = null;
}
}

195
_android/src/RTT.java Normal file
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//package indoor.java;
package android.net.wifi;
import android.app.Activity;
import android.util.Log;
import android.content.Context;
import java.util.List;
import java.util.ArrayList;
import android.net.wifi.ScanResult;
import android.net.wifi.rtt.RangingRequest;
import android.net.wifi.rtt.RangingResult;
import android.net.wifi.rtt.RangingResultCallback;
import android.net.wifi.rtt.WifiRttManager;
import java.util.concurrent.Executor;
import android.net.MacAddress;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.Array;
import indoor.java.MyActivity;
import java.io.ByteArrayOutputStream;
public class RTT {
private static Activity act;
private static WifiRttManager rttManager;
private static Executor mainExecutor;
// called when a RTT is completed successfully
public static native void onRTTComplete(final byte[] result);
// result callback
private static final RangingResultCallback callback = new RangingResultCallback() {
@Override
public void onRangingFailure(final int i) {
//emitter.onError(new RuntimeException("The WiFi-Ranging failed with error code: " + i));
Log.d("RTT", "onRangingFailure: " + i);
}
@Override
public void onRangingResults(final List<RangingResult> list) {
//emitter.onSuccess(list);
Log.d("RTT", "onRangingResults: " + list.size());
for (final RangingResult res : list) {
final MacAddress mac = res.getMacAddress();
if (res.getStatus() == RangingResult.STATUS_SUCCESS) {
final int dist = res.getDistanceMm();
final int stdDevDist = res.getDistanceStdDevMm();
Log.d("RTT", mac.toString() + " " + dist + " " + stdDevDist);
} else {
Log.d("RTT", mac.toString() + " FAILED");
}
RTT.onRTTComplete(serialize(res));
}
}
};
private static byte[] serialize(final RangingResult res) {
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
char delim = ';';
baos.write(res.getMacAddress().toString().getBytes());
baos.write(delim);
if (res.getStatus() == RangingResult.STATUS_SUCCESS) {
baos.write( ("" + res.getDistanceMm()).getBytes() );
baos.write(delim);
baos.write( ("" + res.getDistanceStdDevMm()).getBytes() );
} else {
baos.write( "FAILED".getBytes() );
}
} catch (final Exception e) {;}
return baos.toByteArray();
}
public static int start() {
Log.d("RTT", "start()");
MyActivity act = MyActivity.act;
rttManager = (WifiRttManager) act.getSystemService(Context.WIFI_RTT_RANGING_SERVICE);
mainExecutor = act.getMainExecutor();
final ArrayList<MacAddress> macs = new ArrayList<>();
macs.add(MacAddress.fromString("38:de:ad:6d:77:25")); // NUC 1
macs.add(MacAddress.fromString("38:de:ad:6d:60:ff")); // NUC 2
macs.add(MacAddress.fromString("1c:1b:b5:ef:a2:9a")); // NUC 3
macs.add(MacAddress.fromString("1c:1b:b5:ec:d1:82")); // NUC 4
new Thread() {
public void run() {
while(true) {
try {
Thread.sleep(200);
} catch (Exception e) {;}
startRangingOnMacs(macs);
}
}
}.start();
return 1337;
}
public static void startRangingOnMacs(final ArrayList<MacAddress> macs) {
Log.d("RTT", "startRangingOnMac()");
RangingRequest.Builder builder = new RangingRequest.Builder();
for (final MacAddress mac : macs) {
ScanResult sr = new ScanResult();
sr.BSSID = mac.toString();
sr.SSID = "tof_test";
sr.frequency = 2447;
sr.capabilities = "[ESS]";
try {
Class<?> clazz = Class.forName("android.net.wifi.ScanResult$InformationElement");
Object[] ies = (Object[]) Array.newInstance(clazz, 1);
Object ie = clazz.getDeclaredConstructor().newInstance();
ies[0] = ie;
Field f1 = sr.getClass().getDeclaredField("flags");
f1.setAccessible(true);
f1.set(sr, 2);
Field f2 = sr.getClass().getDeclaredField("informationElements");
f2.setAccessible(true);
f2.set(sr, ies);
builder.addAccessPoint(sr);
} catch (final Exception e) {
e.printStackTrace();
}
}
Log.d("RTT", "startRanging() on " + macs.size());
if (macs.size() == 0) {return;}
// fire#
final RangingRequest request = builder.build();
rttManager.startRanging(request, mainExecutor, callback);
}
public static void startRangingOnScanResult(final List<ScanResult> scanResults) {
Log.d("RTT", "startRangingOnScanResult()");
// build the request
int cnt = 0;
RangingRequest.Builder builder = new RangingRequest.Builder();
for (final ScanResult r : scanResults) {
if (r.is80211mcResponder()) {
Log.d("RTT", "- " + r.BSSID + " [supported]");
builder.addAccessPoint(r);
++cnt;
} else {
Log.d("RTT", "- " + r.BSSID + " [NO!]");
}
}
Log.d("RTT", "startRanging on " + cnt + " devices");
if (cnt == 0) {return;}
// fire
final RangingRequest request = builder.build();
rttManager.startRanging(request, mainExecutor, callback);
}
}

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_android/src/WiFi.java Normal file
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package indoor.java;
import android.app.Activity;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiManager;
import android.os.Debug;
import android.util.Log;
import java.util.List;
import java.io.ByteArrayOutputStream;
import java.lang.reflect.Method;
import android.os.*;
import java.io.*;
import java.util.Arrays;
import java.lang.StringBuffer;
public class WiFi {
private static Activity act;
private static WifiManager manager;
private static BroadcastReceiver receiver;
private static Thread tHeartbeat = null;
private static long lastScanStartTS = 0;
// called when a scan is completed successfully
public static native void onScanComplete(final byte[] result);
private static String makeString(final byte[] arr) {
StringBuffer output=new StringBuffer();
for (byte a : arr) {
int val1 = a & 0xff;
output.append(Integer.toHexString(val1));
output.append(" ");
}
return output.toString();
}
public static int start() {
Log.d("wifi", "start()");
MyActivity act = MyActivity.act;
manager = (WifiManager) act.getSystemService(Context.WIFI_SERVICE);
// reset();
WiFi.receiver = new BroadcastReceiver() {
public final void onReceive(final Context context, final Intent intent) {
Log.d("wifi", "onReceive()");
// trigger RTT scan
//RTT.startRangingOnScanResult(manager.getScanResults());
// serialze
final byte[] result = serialize(manager.getScanResults());
for (final ScanResult sr : manager.getScanResults()) {
Log.d("wifi", sr.BSSID + " - " + sr.SSID + " " + sr.capabilities + " " + sr.centerFreq0 + " " + sr.centerFreq1 + " " + sr.channelWidth + " " + sr.frequency + " " + sr.level);
// final ByteArrayOutputStream baos = new ByteArrayOutputStream();
// final ObjectOutputStream oos = new ObjectOutputStream(baos);
// oos.write(p1);
// Parcel p = Parcel.obtain();
// p.writeValue(sr);
// p.setDataPosition(0);
// byte [] b = p.marshall();
// Log.d("wifi", "" + makeString(b));
}
// trigger next scan
//triggerOneScan();
// send serialized data to Qt
WiFi.onScanComplete(result);
}
};
// register scan callback
act.registerReceiver(WiFi.receiver, new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION));
// start the first scan
triggerOneScan();
// //this is a very nice hack. do not try this at home.
// Method m = null;
// try {
// m = manager.getClass().getDeclaredMethod("setFrequencyBand", int.class, boolean.class);
// m.setAccessible(true);
// m.invoke(manager, 2, true);
// m.invoke(manager, 2, true);
// m.invoke(manager, 2, true);
// Log.d("wifi", "HACK IS RUNNING, BIAAAATCH");
// } catch (Exception e) {
// Log.d("wifi", "HACK HAS FAILED >.<");
// e.printStackTrace();
// }
// // if the scan result takes longer than X milliseconds,
// // trigger another-scan to ensure nothing is stuck
// final Runnable r = new Runnable() {
// public void run() {
// while(true) {
// final long ts = System.currentTimeMillis();
// final long diff = ts - lastScanStartTS;
// if (diff > 1000) { triggerOneScan(); }
// try {Thread.sleep(200);} catch (final Exception e) {;}
// }
// }
// };
// // start the heartbeat once
// if (tHeartbeat == null) {
// tHeartbeat = new Thread(r);
// tHeartbeat.start();
// }
return 1337;
}
private static byte[] serialize(final List<ScanResult> lst) {
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
try {
for (final ScanResult res : lst) {
baos.write(res.BSSID.getBytes());
baos.write((byte)res.level);
baos.write((byte)0);
baos.write((byte)0);
}
} catch (final Exception e) {;}
return baos.toByteArray();
}
private static void reset() {
WiFi.manager.disconnect();
WiFi.manager.createWifiLock(manager.WIFI_MODE_SCAN_ONLY, "Indoor");
//WiFi.manager.setWifiEnabled(false);
//WiFi.manager.setWifiEnabled(true);
WiFi.manager.disconnect();
WiFi.manager.disconnect();
WiFi.manager.disconnect();
WiFi.manager.disconnect();
WiFi.manager.disconnect();
WiFi.manager.disconnect();
}
// try to trigger one scan process
private static void triggerOneScan() {
Log.d("wifi", "triggerOneScan()");
try {
if(!manager.startScan()) {throw new RuntimeException("WiFi: can not startScan()");}
lastScanStartTS = System.currentTimeMillis();
}catch (final Exception e) {
try {
Thread.sleep(1000);
} catch (Exception ex) {;}
Log.e("wifi", "triggerOneScan() failed!!!!!");
//throw new RuntimeException(e);
}
}
}

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main.cpp Normal file
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#include <QGuiApplication>
#include <QQmlApplicationEngine>
#include <QQmlContext>
#include "Manager.h"
extern Manager mgmt;
int main(int argc, char *argv[]) {
QCoreApplication::setAttribute(Qt::AA_EnableHighDpiScaling);
QGuiApplication app(argc, argv);
QQmlApplicationEngine engine;
engine.rootContext()->setContextProperty("mgmt", &mgmt);
engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
if (engine.rootObjects().isEmpty())
return -1;
//QAndroidJniObject::callStaticMethod<int>("android/net/wifi/RTT", "start", "()I");
//QAndroidJniObject::callStaticMethod<int>("indoor/java/WiFi", "start", "()I");
return app.exec();
}

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main.qml Normal file
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import QtQuick 2.9
import QtQuick.Window 2.2
import QtQuick.Controls 2.4
Window {
id: window
visible: true
width: 640
height: 680
title: qsTr("Hello World")
Column {
id: column
Label {
text: "dist1: " + ((mgmt.dist1 ? mgmt.dist1+sld1.value : 0)/1000).toFixed(2);
}
Label {
text: "dist2: " + ((mgmt.dist2 ? mgmt.dist2+sld1.value : 0)/1000).toFixed(2);
}
Label {
text: "dist3: " + ((mgmt.dist3 ? mgmt.dist3+sld1.value : 0)/1000).toFixed(2);
}
Label {
text: "dist4: " + ((mgmt.dist4 ? mgmt.dist4+sld1.value : 0)/1000).toFixed(2);
}
Slider {
width: 400;
id: sld1;
from: -3000;
to: 5000;
onValueChanged: leCanvas.requestPaint();
}
Label {
text: "offset: " + sld1.value;
}
Connections {
target: mgmt
onDistChanged: leCanvas.requestPaint();
}
Button {
text: "party hard";
onClicked: mgmt.trigger();
}
}
Canvas {
id: leCanvas;
anchors.right: parent.right
anchors.rightMargin: 0
anchors.left: parent.left
anchors.leftMargin: 0
anchors.bottom: parent.bottom
anchors.bottomMargin: 0
anchors.top: column.bottom
anchors.topMargin: 20
readonly property double s: 0.02;
function leArc(ctx, cx, cy, dist, stdDev) {
// center circle
ctx.fillStyle = "#000000";
ctx.beginPath();
ctx.arc(cx*s, cy*s, 2, 0, 360);
ctx.fill();
// error circle
// ctx.beginPath();
// ctx.arc(cx*s, cy*s, (dist+sld1.value)*s, 0, 360);
// ctx.closePath();
// ctx.lineWidth = stdDev*s*0.5;
// ctx.strokeStyle = "#66000000";
// ctx.stroke();
// circle
ctx.lineWidth = 1;
ctx.strokeStyle = "#aa000000";
ctx.beginPath();
ctx.arc(cx*s, cy*s, (dist+sld1.value)*s, 0, 360);
ctx.stroke();
}
onPaint: {
var ctx = getContext("2d")
ctx.reset();
ctx.fillStyle = "#dddddd";
ctx.clearRect(0, 0, leCanvas.width, leCanvas.height);
//ctx.strokeStyle = Qt.rgba(0, 0, 0, 1)
//ctx.lineWidth = 1
var ox = 4000;
var oy = 4000;
var cx1 = ox+0;
var cy1 = oy+0;
var cx2 = ox+0;
var cy2 = oy+7250;
var cx3 = ox+9000;
var cy3 = oy+7250;
var cx4 = ox+9000;
var cy4 = oy+0;
leArc(ctx, cx1, cy1, mgmt.dist1, mgmt.stdDev1);
leArc(ctx, cx2, cy2, mgmt.dist2, mgmt.stdDev2);
leArc(ctx, cx3, cy3, mgmt.dist3, mgmt.stdDev3);
leArc(ctx, cx4, cy4, mgmt.dist4, mgmt.stdDev4);
var sigma = 2000;
var stepSize = 333;
var maxP = Math.pow( 1.0 / Math.sqrt(2*Math.PI*sigma), 4.1);
for (var y = 0; y < leCanvas.height/s; y += stepSize) {
for (var x = 0; x < leCanvas.width/s; x += stepSize) {
var d1 = Math.sqrt( Math.pow(x-cx1, 2) + Math.pow(y-cy1, 2) ) - (mgmt.dist1-sld1.value);
var d2 = Math.sqrt( Math.pow(x-cx2, 2) + Math.pow(y-cy2, 2) ) - (mgmt.dist2-sld1.value);
var d3 = Math.sqrt( Math.pow(x-cx3, 2) + Math.pow(y-cy3, 2) ) - (mgmt.dist3-sld1.value);
var d4 = Math.sqrt( Math.pow(x-cx4, 2) + Math.pow(y-cy4, 2) ) - (mgmt.dist4-sld1.value);
var p = 1;
p *= 1.0 / Math.sqrt(2*Math.PI*sigma) * Math.exp( - d1*d1/(2*sigma*sigma) );
p *= 1.0 / Math.sqrt(2*Math.PI*sigma) * Math.exp( - d2*d2/(2*sigma*sigma) );
p *= 1.0 / Math.sqrt(2*Math.PI*sigma) * Math.exp( - d3*d3/(2*sigma*sigma) );
p *= 1.0 / Math.sqrt(2*Math.PI*sigma) * Math.exp( - d4*d4/(2*sigma*sigma) );
//p = Math.pow(p, 1);
if (p > maxP / 50) {
ctx.fillStyle = Qt.rgba(1,0,0, p/maxP);
ctx.fillRect(x*s, y*s, stepSize*s, stepSize*s);
}
}
}
}
}
}

5
qml.qrc Normal file
View File

@@ -0,0 +1,5 @@
<RCC>
<qresource prefix="/">
<file>main.qml</file>
</qresource>
</RCC>