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variable zeitschritte: quadratische gleichung abschaetzung

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git-svn-id: http://svn.lsim.tuxzone.org/trunk@32 4bec179b-ab65-46ed-a5f8-55b8b5c735d0
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catdog2
2008-12-16 21:59:25 +00:00
parent bf1e341b71
commit 792fecff9e
8 changed files with 110 additions and 54 deletions
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lsim.kdevelop.pcs
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lsim.kdevses
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@@ -1,61 +1,31 @@
<?xml version = '1.0' encoding = 'UTF-8'?>
<!DOCTYPE KDevPrjSession>
<KDevPrjSession>
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45
src/graphicsellipseitem.cpp
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@@ -29,6 +29,7 @@
#include <cmath>
#include "constants.h"
#include <iostream>
#include <climits>
GraphicsEllipseItem::GraphicsEllipseItem() {
//setFlag(ItemIsMovable);
@@ -51,6 +52,8 @@ void GraphicsEllipseItem::setupVars () {
setStartSpeedX(0);
setStartSpeedY(0);
setPos(0,0);
setAdaptiveStepLength(0.01);
setAdaptiveStepControl(true);
}
void GraphicsEllipseItem::resetProbe() {
@@ -120,9 +123,15 @@ void GraphicsEllipseItem::calculateProbePath(QPointF startPoint) {
double powerX = myScene->getPowerAt(currProbePath->at(i-1), charge, speedListX->at(i-1),speedListY->at(i-1), 'x');
double powerY = myScene->getPowerAt(currProbePath->at(i-1), charge, speedListX->at(i-1),speedListY->at(i-1), 'y');
if (combinedSpeed != 0) timePerStep = 0.008/(combinedSpeed/meterPerPx);
if (timePerStep < (1/10.0 * myScene->getTimePerStep())) timePerStep = 1/10.0 * myScene->getTimePerStep();
if (timePerStep > (19.0/10.0 * myScene->getTimePerStep())) timePerStep = 19.0/10.0 * myScene->getTimePerStep();
//automatische Zeitschrittanpassung 0.008
if (isAdaptiveStepControlEnabled()&&combinedSpeed != 0) timePerStep = getAdaptiveStepLength()/(combinedSpeed/meterPerPx);
//if (timePerStep < (1/10.0 * myScene->getTimePerStep())) timePerStep = 1/10.0 * myScene->getTimePerStep();
//if (timePerStep > (19.0/10.0 * myScene->getTimePerStep())) timePerStep = 19.0/10.0 * myScene->getTimePerStep();
double combinedPower = sqrt(powerX*powerX+powerY*powerY);
if (isAdaptiveStepControlEnabled() && combinedPower !=0) {
timePerStep = fabs((-combinedSpeed + sqrt(combinedSpeed*combinedSpeed + 2*(combinedPower/myMasse)*getAdaptiveStepLength()*meterPerPx)) / (combinedPower/myMasse));
}
//qDebug()<<timePerStep;
@@ -177,6 +186,10 @@ void GraphicsEllipseItem::calculateProbePath(QPointF startPoint) {
QPointF newPoint(currProbePath->at(i-1).x() + deltaDistX/meterPerPx ,currProbePath->at(i-1).y() + deltaDistY/meterPerPx);
//Scrollbar int Probleme vermeiden
if (newPoint.x() + 10 > INT_MAX || newPoint.x() - 10 < INT_MIN) break;
if (newPoint.y() + 10 > INT_MAX || newPoint.y() - 10 < INT_MIN) break;
if (myScene->stopsHere(currProbePath->at(i-1),newPoint)) break;
currProbePath->append(newPoint);
@@ -192,7 +205,7 @@ void GraphicsEllipseItem::calculateProbePath(QPointF startPoint) {
if (i%path_entry_step == 0 || i==currProbePath->count()) flightPath.lineTo(currProbePath->at(i));
}
//qDebug()<< "Probe Path: " <<*currProbePath;
qDebug()<< "Probe Path: " <<*currProbePath;
//qDebug()<< "speed x: "<<*speedListX;
//qDebug()<< "speed y: "<<*speedListY;
//qDebug()<<speedListY->at(12);
@@ -298,3 +311,27 @@ void GraphicsEllipseItem::setFlightPath ( const QPainterPath& theValue ) {
bool GraphicsEllipseItem::isAdaptiveStepControlEnabled() const {
return adaptiveStepControlEnabled;
}
void GraphicsEllipseItem::setAdaptiveStepControl ( bool theValue ) {
if (adaptiveStepControlEnabled == theValue) return;
adaptiveStepControlEnabled = theValue;
emit adaptiveStepControlChanged(theValue);
}
double GraphicsEllipseItem::getAdaptiveStepLength() const {
return adaptiveStepLength;
}
void GraphicsEllipseItem::setAdaptiveStepLength ( double theValue ) {
if (adaptiveStepLength == theValue) return;
adaptiveStepLength = theValue;
emit adaptiveStepLengthChanged(theValue);
}

11
src/graphicsellipseitem.h
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@@ -52,6 +52,8 @@ class GraphicsEllipseItem : public QObject , public QGraphicsEllipseItem {
QPainterPath getFlightPath() const;
double getRealSimulTime() const;
bool isAdaptiveStepControlEnabled() const;
double getAdaptiveStepLength() const;
protected:
@@ -76,6 +78,10 @@ class GraphicsEllipseItem : public QObject , public QGraphicsEllipseItem {
double startSpeedX;
///Startgeschwindigkeit des teilchens in y-Richtung
double startSpeedY;
///automatische Zeitschrittanpassung an/aus
bool adaptiveStepControlEnabled;
///angenaeherte Schrittlaenge in px
double adaptiveStepLength;
QPointF myScenePos;
@@ -103,6 +109,9 @@ class GraphicsEllipseItem : public QObject , public QGraphicsEllipseItem {
void setFlightPath ( const QPainterPath& theValue );
void resetProbe();
void setAdaptiveStepControl ( bool theValue );
void setAdaptiveStepLength ( double theValue );
signals:
void startSpeedXChanged(double speed);
@@ -112,6 +121,8 @@ class GraphicsEllipseItem : public QObject , public QGraphicsEllipseItem {
void ScenePosChanged(QPointF newpos);
void ScenePosXChanged(double newX);
void ScenePosYChanged(double newY);
void adaptiveStepControlChanged(bool truefalse);
void adaptiveStepLengthChanged(double length);

6
src/graphicsview.cpp
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@@ -101,6 +101,12 @@ void GraphicsView::disableOGLViewport() {
//setViewport(new QWidget(parentWidget()));
}
void GraphicsView::centerOnProbe() {
SimulScene* simulScene = dynamic_cast<SimulScene*> (scene());
if (simulScene == 0) return;
centerOn(simulScene->getProbeChargeItem());
}
GraphicsView::~GraphicsView() {
}

1
src/graphicsview.h
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@@ -38,6 +38,7 @@ class GraphicsView : public QGraphicsView {
public slots:
void enableOGLViewport();
void disableOGLViewport();
void centerOnProbe();
private:
QStatusBar * mainWindowStatusBar;

42
src/lsim.cpp
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@@ -102,14 +102,19 @@ void lsim::createActions() {
acts.calculate->setStatusTip (tr ("Flugbahn berechnen"));
connect (acts.calculate, SIGNAL (triggered()), this, SLOT (startCalculation()));
acts.resetAct = new QAction (tr ("reset"), this);
acts.resetAct->setStatusTip (tr ("reset"));
acts.resetAct = new QAction (tr ("Alles Zur\374cksetzen"), this);
acts.resetAct->setStatusTip (tr ("Alle Werte Zur\374cksetzen und alle Felder L\366schen"));
connect (acts.resetAct, SIGNAL (triggered()), this, SLOT (resetAll()));
acts.timerStart = new QAction (tr ("Timer Start"), this);
acts.timerStart->setStatusTip (tr ("Timer starten"));
connect (acts.timerStart, SIGNAL (triggered()), this, SLOT (startTimer()));
acts.centerOnProbeAct = new QAction (tr ("Ladungstr\344ger Zentrieren"), this);
acts.centerOnProbeAct->setStatusTip (tr ("Den Ladungstr\344ger Zentrieren"));
acts.centerOnProbeAct->setShortcut(QKeySequence(Qt::CTRL + Qt::Key_M));
connect (acts.centerOnProbeAct, SIGNAL (triggered()), gview, SLOT (centerOnProbe()));
acts.timerStop = new QAction (tr ("Animation stoppen"), this);
acts.timerStop->setStatusTip (tr ("Die Animation stoppen und Ladung an den Anfang zur\374cksetzen"));
acts.timerStop->setIcon(QIcon(":icons/media-playback-stop.svg"));
@@ -243,6 +248,8 @@ void lsim::createMenus() {
viewMenu = menuBar()->addMenu(tr("&Ansicht"));
viewMenu->addAction(acts.centerOnProbeAct);
viewMenu->addSeparator();
viewMenu->addAction(acts.editModeAct);
viewMenu->addAction(acts.simulationModeAct);
viewMenu->addSeparator();
@@ -314,7 +321,7 @@ void lsim::initWindowMode(WindowMode newMode) {
fieldItemEditDock->setVisible(true);
probeItemDock->setVisible(true);
sceneDock->setVisible(true);
gview->centerOn(simulscene->getProbeChargeItem());
gview->centerOnProbe();
@@ -330,7 +337,7 @@ void lsim::initWindowMode(WindowMode newMode) {
acts.itemEditModeAct->trigger();
simulscene->clearSelection();
acts.calculate->trigger();
gview->centerOn(simulscene->getProbeChargeItem());
gview->centerOnProbe();
}
@@ -370,6 +377,24 @@ void lsim::createDocks() {
connect(simulscene, SIGNAL(timePerStepChanged(double)),time_step_box, SLOT(setValue( double )));
//automatische Schrittlaengen-box
ExpDoubleSpinBox *adaptive_step_length_box = new ExpDoubleSpinBox;
adaptive_step_length_box->setRange(pow(10,-100), pow(10,66));
adaptive_step_length_box->setDecimals(100);
adaptive_step_length_box->setDisplayDecimals(3);
adaptive_step_length_box->setSuffix(" px");
adaptive_step_length_box->setKeyboardTracking(false);
adaptive_step_length_box->setValue(simulscene->getProbeChargeItem()->getAdaptiveStepLength());
connect(adaptive_step_length_box, SIGNAL(valueChanged(double)),simulscene->getProbeChargeItem(), SLOT(setAdaptiveStepLength(double)));
connect(simulscene->getProbeChargeItem(), SIGNAL(adaptiveStepLengthChanged(double)),adaptive_step_length_box, SLOT(setValue( double )));
//automatische schrittanpassungsbox
QCheckBox *adaptive_time_step_box = new QCheckBox("");
adaptive_time_step_box->setChecked(simulscene->getProbeChargeItem()->isAdaptiveStepControlEnabled());
connect(adaptive_time_step_box, SIGNAL(toggled(bool)),simulscene->getProbeChargeItem(), SLOT(setAdaptiveStepControl(bool)));
connect(simulscene->getProbeChargeItem(), SIGNAL(adaptiveStepControlChanged(bool)),adaptive_time_step_box, SLOT(setChecked(bool)));
connect(adaptive_time_step_box, SIGNAL(toggled(bool)),adaptive_step_length_box, SLOT(setEnabled(bool)));
//meterPerPixel Box
ExpDoubleSpinBox *meter_per_px_box = new ExpDoubleSpinBox;
meter_per_px_box->setRange(pow(10,-100), pow(10,66));
@@ -385,6 +410,7 @@ void lsim::createDocks() {
QLabel *time_per_step_label = new QLabel(tr("Zeit pro Schritt:"));
QLabel *steps_label = new QLabel(tr("Schritte:"));
QLabel *meter_per_pixel_label = new QLabel(tr("Ein Pixel entspricht:"));
QLabel *adaptive_time_step_label = new QLabel(tr("Automatische Schrittl\344nge:"));
//Scene settings Layout
QGridLayout *sceneGridLayout = new QGridLayout;
@@ -392,8 +418,12 @@ void lsim::createDocks() {
sceneGridLayout->addWidget(steps_box,0,1);
sceneGridLayout->addWidget(time_per_step_label,1,0,Qt::AlignRight);
sceneGridLayout->addWidget(time_step_box,1,1);
sceneGridLayout->addWidget(meter_per_pixel_label,2,0,Qt::AlignRight);
sceneGridLayout->addWidget(meter_per_px_box,2,1);
sceneGridLayout->addWidget(adaptive_time_step_label,2,0,Qt::AlignRight);
sceneGridLayout->addWidget(adaptive_time_step_box,2,1);
sceneGridLayout->addWidget(adaptive_step_length_box,3,1);
sceneGridLayout->addWidget(meter_per_pixel_label,4,0,Qt::AlignRight);
sceneGridLayout->addWidget(meter_per_px_box,4,1);
QGroupBox *sceneGroupBox = new QGroupBox(tr("Allgemeines"));

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src/lsim.h
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@@ -122,6 +122,7 @@ class lsim: public QMainWindow {
QAction *resetAct;
QAction *fullScreenAct;
QAction *centerOnProbeAct;
};
Actions acts;