diff --git a/src/pulsaranimationwidget.cpp b/src/pulsaranimationwidget.cpp
index c9c8aa935d2969ce30aadcd70d9e825473393a6c..afdffe3bd6e81a70f3e999462b54145645896652 100644
--- a/src/pulsaranimationwidget.cpp
+++ b/src/pulsaranimationwidget.cpp
@@ -24,54 +24,54 @@
const double PulsarAnimationWidget::deg2rad = PI/180.0;
PulsarAnimationWidget::PulsarAnimationWidget(QWidget *parent) :
- QGLWidget(QGLFormat(QGL::AlphaChannel | QGL::SampleBuffers), parent),
- m_frameTimer(),
- m_pulseProfile(360, 0.0)
+ QGLWidget(QGLFormat(QGL::AlphaChannel | QGL::SampleBuffers), parent),
+ m_frameTimer(),
+ m_pulseProfile(360, 0.0)
{
- QString msgThis = tr("3D animation");
- if(!format().directRendering()) {
- QString msg = tr("Sorry, no direct rendering support for %1...");
- qWarning() << msg.arg(msgThis);
- }
- if(!format().doubleBuffer()) {
- QString msg = tr("Sorry, no double buffering support for %1...");
- qWarning() << msg.arg(msgThis);
- }
- if(!format().rgba()) {
- QString msg = tr("Sorry, no RGBA support for %1...");
- qWarning() << msg.arg(msgThis);
- }
- if(!format().alpha()) {
- QString msg = tr("Sorry, no alpha channel support for %1...");
- qWarning() << msg.arg(msgThis);
- }
- if(!format().sampleBuffers()) {
- QString msg = tr("Sorry, no multisampling support for %1...");
- qWarning() << msg.arg(msgThis);
- }
-
- // connect primary rendering timer to local callback
+ QString msgThis = tr("3D animation");
+ if(!format().directRendering()) {
+ QString msg = tr("Sorry, no direct rendering support for %1...");
+ qWarning() << msg.arg(msgThis);
+ }
+ if(!format().doubleBuffer()) {
+ QString msg = tr("Sorry, no double buffering support for %1...");
+ qWarning() << msg.arg(msgThis);
+ }
+ if(!format().rgba()) {
+ QString msg = tr("Sorry, no RGBA support for %1...");
+ qWarning() << msg.arg(msgThis);
+ }
+ if(!format().alpha()) {
+ QString msg = tr("Sorry, no alpha channel support for %1...");
+ qWarning() << msg.arg(msgThis);
+ }
+ if(!format().sampleBuffers()) {
+ QString msg = tr("Sorry, no multisampling support for %1...");
+ qWarning() << msg.arg(msgThis);
+ }
+
+ // connect primary rendering timer to local callback
connect(&m_frameTimer, SIGNAL(timeout()), this, SLOT(updateFrame()));
// initialize quadric pointers
m_quadricPulsar = NULL;
- m_quadricPulsarSpinAxis = NULL;
+ m_quadricPulsarSpinAxis = NULL;
m_quadricPulsarSpinAxisTop1 = NULL;
m_quadricPulsarSpinAxisTop2 = NULL;
- m_quadricPulsarMagneticAxis = NULL;
+ m_quadricPulsarMagneticAxis = NULL;
m_quadricPulsarConeRim1 = NULL;
m_quadricPulsarConeRim2 = NULL;
- // initialize texture pointers
- m_pulsarTexture = 0;
- m_backgroundTexture = 0;
+ // initialize texture pointers
+ m_pulsarTexture = 0;
+ m_backgroundTexture = 0;
- // initial render timing settings
- m_framesPerSecond = 25;
- m_pulsarRotationDelta = 0.0;
- m_pulsarRotationAngle = 0.0;
+ // initial render timing settings
+ m_framesPerSecond = 25;
+ m_pulsarRotationDelta = 0.0;
+ m_pulsarRotationAngle = 0.0;
- m_pulsarSpinAxisInclination = 0.0;
+ m_pulsarSpinAxisInclination = 0.0;
m_pulsarMagneticAxisInclination = 5.0;
m_pulsarBeamLength = 3.0f;
m_pulsarBeamRimSize = 0.1f;
@@ -79,76 +79,76 @@ PulsarAnimationWidget::PulsarAnimationWidget(QWidget *parent) :
// initial spin frequency of 0.5 Hz
- m_pulsarRotationDelta = (360.0 * 0.5) / m_framesPerSecond;
+ m_pulsarRotationDelta = (360.0 * 0.5) / m_framesPerSecond;
- // initial view features
- m_showRotationAxes = false;
- m_cameraInteraction = false;
+ // initial view features
+ m_showRotationAxes = false;
+ m_cameraInteraction = false;
- // initial view settings
+ // initial view settings
m_mouseAngleH = 0.0;
m_mouseAngleV = 0.0;
m_cameraZoom = 30.0;
- m_cameraZoomLBound = 10.0;
- m_cameraZoomUBound = 4500.0;
- m_mouseLastX = 0;
- m_mouseLastY = 0;
+ m_cameraZoomLBound = 10.0;
+ m_cameraZoomUBound = 4500.0;
+ m_mouseLastX = 0;
+ m_mouseLastY = 0;
- // update camera based on settings above
- updateCameraPosition(m_mouseAngleH, m_mouseAngleV, m_cameraZoom);
+ // update camera based on settings above
+ updateCameraPosition(m_mouseAngleH, m_mouseAngleV, m_cameraZoom);
}
PulsarAnimationWidget::~PulsarAnimationWidget()
{
- if(m_quadricPulsar) gluDeleteQuadric(m_quadricPulsar);
- if(m_quadricPulsarConeRim1) gluDeleteQuadric(m_quadricPulsarConeRim1);
- if(m_quadricPulsarConeRim2) gluDeleteQuadric(m_quadricPulsarConeRim2);
- if(m_quadricPulsarSpinAxis) gluDeleteQuadric(m_quadricPulsarSpinAxis);
- if(m_quadricPulsarSpinAxisTop1) gluDeleteQuadric(m_quadricPulsarSpinAxisTop1);
- if(m_quadricPulsarSpinAxisTop2) gluDeleteQuadric(m_quadricPulsarSpinAxisTop2);
- if(m_quadricPulsarMagneticAxis) gluDeleteQuadric(m_quadricPulsarMagneticAxis);
- if(m_pulsarTexture) deleteTexture(m_pulsarTexture);
- if(m_backgroundTexture) deleteTexture(m_backgroundTexture);
+ if(m_quadricPulsar) gluDeleteQuadric(m_quadricPulsar);
+ if(m_quadricPulsarConeRim1) gluDeleteQuadric(m_quadricPulsarConeRim1);
+ if(m_quadricPulsarConeRim2) gluDeleteQuadric(m_quadricPulsarConeRim2);
+ if(m_quadricPulsarSpinAxis) gluDeleteQuadric(m_quadricPulsarSpinAxis);
+ if(m_quadricPulsarSpinAxisTop1) gluDeleteQuadric(m_quadricPulsarSpinAxisTop1);
+ if(m_quadricPulsarSpinAxisTop2) gluDeleteQuadric(m_quadricPulsarSpinAxisTop2);
+ if(m_quadricPulsarMagneticAxis) gluDeleteQuadric(m_quadricPulsarMagneticAxis);
+ if(m_pulsarTexture) deleteTexture(m_pulsarTexture);
+ if(m_backgroundTexture) deleteTexture(m_backgroundTexture);
}
void PulsarAnimationWidget::initializeGL()
{
- glClearColor(0.0, 0.0, 0.0, 0.0);
- glClearDepth(1.0);
- glDepthFunc(GL_LEQUAL);
- glEnable(GL_DEPTH_TEST);
-
- glShadeModel(GL_SMOOTH);
- glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
-
- GLfloat LightAmbient[] = {0.3, 0.3, 0.3, 1.0};
- GLfloat LightDiffuse[] = {1.0, 1.0, 1.0, 1.0};
- GLfloat LightSpecular[] = {1.0, 1.0, 1.0, 1.0};
- GLfloat LightPosition[] = {0.0, 0.0, 0.0, 1.0};
- GLfloat spot_direction[] = {0.0, 0.0, 0.0};
-
- glLightfv(GL_LIGHT0, GL_AMBIENT, LightAmbient);
- glLightfv(GL_LIGHT0, GL_DIFFUSE, LightDiffuse);
- glLightfv(GL_LIGHT0, GL_SPECULAR, LightSpecular);
- glLightfv(GL_LIGHT0, GL_POSITION, LightPosition);
- glLightf(GL_LIGHT0, GL_SPOT_CUTOFF, 50.0);
- glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, spot_direction);
- glLightf(GL_LIGHT0, GL_SPOT_EXPONENT, 10.0);
-
- glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
- glEnable(GL_LIGHT0);
-// glEnable(GL_LIGHTING);
-
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
- glEnable(GL_BLEND);
-
- m_quadricPulsar = gluNewQuadric();
- m_quadricPulsarConeRim1 = gluNewQuadric();
- m_quadricPulsarConeRim2 = gluNewQuadric();
- m_quadricPulsarSpinAxis = gluNewQuadric();
- m_quadricPulsarSpinAxisTop1 = gluNewQuadric();
- m_quadricPulsarSpinAxisTop2 = gluNewQuadric();
- m_quadricPulsarMagneticAxis = gluNewQuadric();
+ glClearColor(0.0, 0.0, 0.0, 0.0);
+ glClearDepth(1.0);
+ glDepthFunc(GL_LEQUAL);
+ glEnable(GL_DEPTH_TEST);
+
+ glShadeModel(GL_SMOOTH);
+ glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
+
+ GLfloat LightAmbient[] = {0.3, 0.3, 0.3, 1.0};
+ GLfloat LightDiffuse[] = {1.0, 1.0, 1.0, 1.0};
+ GLfloat LightSpecular[] = {1.0, 1.0, 1.0, 1.0};
+ GLfloat LightPosition[] = {0.0, 0.0, 0.0, 1.0};
+ GLfloat spot_direction[] = {0.0, 0.0, 0.0};
+
+ glLightfv(GL_LIGHT0, GL_AMBIENT, LightAmbient);
+ glLightfv(GL_LIGHT0, GL_DIFFUSE, LightDiffuse);
+ glLightfv(GL_LIGHT0, GL_SPECULAR, LightSpecular);
+ glLightfv(GL_LIGHT0, GL_POSITION, LightPosition);
+ glLightf(GL_LIGHT0, GL_SPOT_CUTOFF, 50.0);
+ glLightfv(GL_LIGHT0, GL_SPOT_DIRECTION, spot_direction);
+ glLightf(GL_LIGHT0, GL_SPOT_EXPONENT, 10.0);
+
+ glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE);
+ glEnable(GL_LIGHT0);
+ // glEnable(GL_LIGHTING);
+
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ glEnable(GL_BLEND);
+
+ m_quadricPulsar = gluNewQuadric();
+ m_quadricPulsarConeRim1 = gluNewQuadric();
+ m_quadricPulsarConeRim2 = gluNewQuadric();
+ m_quadricPulsarSpinAxis = gluNewQuadric();
+ m_quadricPulsarSpinAxisTop1 = gluNewQuadric();
+ m_quadricPulsarSpinAxisTop2 = gluNewQuadric();
+ m_quadricPulsarMagneticAxis = gluNewQuadric();
gluQuadricNormals(m_quadricPulsar, GLU_SMOOTH);
gluQuadricNormals(m_quadricPulsarConeRim1, GLU_SMOOTH);
@@ -171,37 +171,37 @@ void PulsarAnimationWidget::initializeGL()
// prepare and check pulsar texture
QImage pulsarTexture(":/textures/resources/texture_pulsar.png");
if(pulsarTexture.width() != pulsarTexture.height()) {
- qWarning() << msgShape.arg(tr("Pulsar"));
+ qWarning() << msgShape.arg(tr("Pulsar"));
}
else {
- double integer = 0.0;
- double fraction = 0.0;
- fraction = modf(log(pulsarTexture.width()) / log(2.0), &integer);
- if(fraction > 0.0) {
- qWarning() << msgPower.arg(tr("Pulsar"));
- }
+ double integer = 0.0;
+ double fraction = 0.0;
+ fraction = modf(log(pulsarTexture.width()) / log(2.0), &integer);
+ if(fraction > 0.0) {
+ qWarning() << msgPower.arg(tr("Pulsar"));
+ }
}
if(pulsarTexture.width() > maxTextureSize) {
- qWarning() << msgSize.arg(tr("pulsar").arg(maxTextureSize).arg(maxTextureSize));
- pulsarTexture = pulsarTexture.scaled(maxTextureSize, maxTextureSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+ qWarning() << msgSize.arg(tr("pulsar").arg(maxTextureSize).arg(maxTextureSize));
+ pulsarTexture = pulsarTexture.scaled(maxTextureSize, maxTextureSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
}
// prepare and check background texture
QImage backgroundTexture(":/textures/resources/texture_background_carina.png");
if(backgroundTexture.width() != backgroundTexture.height()) {
- qWarning() << msgShape.arg(tr("Background"));
+ qWarning() << msgShape.arg(tr("Background"));
}
else {
- double integer = 0.0;
- double fraction = 0.0;
- fraction = modf(log(backgroundTexture.width()) / log(2.0), &integer);
- if(fraction > 0.0) {
- qWarning() << msgPower.arg(tr("Background"));
- }
+ double integer = 0.0;
+ double fraction = 0.0;
+ fraction = modf(log(backgroundTexture.width()) / log(2.0), &integer);
+ if(fraction > 0.0) {
+ qWarning() << msgPower.arg(tr("Background"));
+ }
}
if(backgroundTexture.width() > maxTextureSize) {
- qWarning() << msgSize.arg(tr("background").arg(maxTextureSize).arg(maxTextureSize));
- backgroundTexture = backgroundTexture.scaled(maxTextureSize, maxTextureSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
+ qWarning() << msgSize.arg(tr("background").arg(maxTextureSize).arg(maxTextureSize));
+ backgroundTexture = backgroundTexture.scaled(maxTextureSize, maxTextureSize, Qt::IgnoreAspectRatio, Qt::SmoothTransformation);
}
// bind textures
@@ -219,370 +219,396 @@ void PulsarAnimationWidget::initializeGL()
void PulsarAnimationWidget::resizeGL(int w, int h)
{
- glViewport(0, 0, w, h);
+ glViewport(0, 0, w, h);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
+ glMatrixMode(GL_PROJECTION);
+ glLoadIdentity();
- gluPerspective(4.5, (GLfloat)w / (GLfloat)h, 0.1, 5000.0);
+ gluPerspective(4.5, (GLfloat)w / (GLfloat)h, 0.1, 5000.0);
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
}
void PulsarAnimationWidget::paintGL()
{
- GLfloat x,y,angle;
+ GLfloat x,y,angle;
+
+ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+
+ glMatrixMode(GL_MODELVIEW);
+ glLoadIdentity();
+
+ gluLookAt(m_cameraPosX, m_cameraPosY, m_cameraPosZ,
+ 0.0, 0.0, 0.0,
+ 0.0, 1.0, 0.0);
+
+ // TODO: should be located elsewhere
+ static GLfloat no_mat[] = {0.0, 0.0, 0.0, 1.0};
+ static GLfloat mat_diffuse[] = {0.5, 0.5, 0.5, 1.0};
+ static GLfloat mat_specular[] = {1.0, 1.0, 1.0, 1.0};
+ static GLfloat low_shininess[] = {2.5};
+ static GLfloat translucent[] = {1.0, 1.0, 1.0, 0.33};
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
+ glMaterialfv(GL_FRONT, GL_SHININESS, low_shininess);
+ glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+
+ // let's draw everything as wireframe model
+ glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
+
+ // draw scence
+ glPushMatrix();
+ {
+ // draw pulsar
+ glPushMatrix();
+ {
+ glRotatef(-m_pulsarSpinAxisInclination, 1.0, 0.0, 0.0);
+ glRotatef(m_pulsarRotationAngle, 0.0, 0.0, 1.0);
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
+ // draw spin axis
+ if(m_showRotationAxes) {
+ glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
+ glColor3f(1.0f, 1.0f, 1.0f);
+ glPushMatrix();
+ {
+ glTranslatef(0.0, 0.0, -5.0);
+ gluCylinder(m_quadricPulsarSpinAxis, 0.025, 0.025, 10.0, 32, 1);
+ }
+ glPopMatrix();
+ glPushMatrix();
+ {
+ glTranslatef(0.0, 0.0, -5.0);
+ gluDisk(m_quadricPulsarSpinAxisTop1, 0, 0.025, 32, 8);
+ }
+ glPopMatrix();
+ glPushMatrix();
+ {
+ glTranslatef(0.0, 0.0, 5.0);
+ gluDisk(m_quadricPulsarSpinAxisTop2, 0, 0.025, 32, 8);
+ }
+ glPopMatrix();
+ glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
+ }
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
+ // gives pulsar spherical appearance
+ glEnable(GL_LIGHTING);
- gluLookAt(m_cameraPosX, m_cameraPosY, m_cameraPosZ,
- 0.0, 0.0, 0.0,
- 0.0, 1.0, 0.0);
+ glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
+ gluSphere(m_quadricPulsar, 1.0, 32, 32);
- // TODO: should be located elsewhere
- static GLfloat no_mat[] = {0.0, 0.0, 0.0, 1.0};
- static GLfloat mat_diffuse[] = {0.5, 0.5, 0.5, 1.0};
- static GLfloat mat_specular[] = {1.0, 1.0, 1.0, 1.0};
- static GLfloat low_shininess[] = {2.5};
- static GLfloat translucent[] = {1.0, 1.0, 1.0, 0.33};
+ glDisable(GL_LIGHTING);
+ }
+ glPopMatrix();
- glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
- glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
- glMaterialfv(GL_FRONT, GL_SPECULAR, mat_specular);
- glMaterialfv(GL_FRONT, GL_SHININESS, low_shininess);
- glMaterialfv(GL_FRONT, GL_EMISSION, no_mat);
+ // TODO: should be located elsewhere
+ static GLfloat coneAmbient[] = {1.0, 1.0, 0.0, 1.0};
+ static GLfloat coneDiffuse[] = {1.0, 1.0, 0.0, 1.0};
+ static GLfloat coneSpecular[] = {1.0, 1.0, 0.5, 1.0};
- // let's draw everything as wireframe model
- glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
+ glMaterialfv(GL_FRONT, GL_SPECULAR, coneSpecular);
- // draw pulsar
- glPushMatrix();
- glPushMatrix();
- glRotatef(-m_pulsarSpinAxisInclination, 1.0, 0.0, 0.0);
- glRotatef(m_pulsarRotationAngle, 0.0, 0.0, 1.0);
-
- // draw spin axis
- if(m_showRotationAxes) {
- glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
- glColor3f(1.0f, 1.0f, 1.0f);
- glPushMatrix();
- glTranslatef(0.0, 0.0, -5.0);
- gluCylinder(m_quadricPulsarSpinAxis, 0.025, 0.025, 10.0, 32, 1);
- glPopMatrix();
- glPushMatrix();
- glTranslatef(0.0, 0.0, -5.0);
- gluDisk(m_quadricPulsarSpinAxisTop1, 0, 0.025, 32, 8);
- glPopMatrix();
- glPushMatrix();
- glTranslatef(0.0, 0.0, 5.0);
- gluDisk(m_quadricPulsarSpinAxisTop2, 0, 0.025, 32, 8);
- glPopMatrix();
- glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
- }
-
- // gives pulsar spherical appearance
- glEnable(GL_LIGHTING);
-
- glMaterialfv(GL_FRONT, GL_AMBIENT, no_mat);
- glMaterialfv(GL_FRONT, GL_DIFFUSE, mat_diffuse);
- gluSphere(m_quadricPulsar, 1.0, 32, 32);
-
- glDisable(GL_LIGHTING);
- glPopMatrix();
-
- // TODO: should be located elsewhere
- static GLfloat coneAmbient[] = {1.0, 1.0, 0.0, 1.0};
- static GLfloat coneDiffuse[] = {1.0, 1.0, 0.0, 1.0};
- static GLfloat coneSpecular[] = {1.0, 1.0, 0.5, 1.0};
-
- glMaterialfv(GL_FRONT, GL_SPECULAR, coneSpecular);
-
- // first cone
- glPushMatrix();
- glRotatef(-m_pulsarSpinAxisInclination, 1.0, 0.0, 0.0);
-
- glRotatef(m_pulsarRotationAngle - 90.0, 0.0, 0.0, 1.0);
- glRotatef(-m_pulsarMagneticAxisInclination, 0.0, 1.0, 0.0);
-
- // draw magnetic axis (for both cones)
- if(m_showRotationAxes) {
- glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
- glColor3f(1.0f, 1.0f, 0.0f);
- glPushMatrix();
- glTranslatef(0.0, 0.0, -5.0);
- gluCylinder(m_quadricPulsarMagneticAxis, 0.025, 0.025, 10.0, 32, 1);
- glPopMatrix();
- glPushMatrix();
- glTranslatef(0.0, 0.0, -5.0);
- gluDisk(m_quadricPulsarSpinAxisTop1, 0, 0.025, 32, 8);
- glPopMatrix();
- glPushMatrix();
- glTranslatef(0.0, 0.0, 5.0);
- gluDisk(m_quadricPulsarSpinAxisTop2, 0, 0.025, 32, 8);
- glPopMatrix();
- glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
- }
-
- glTranslatef(0.0, 0.0, -4.0);
-
- glMaterialfv(GL_FRONT, GL_AMBIENT, coneAmbient);
- glMaterialfv(GL_FRONT, GL_DIFFUSE, coneDiffuse);
-
- // draw first cone's outer layer
- glBegin(GL_TRIANGLE_FAN);
-
- // Pinnacle of cone is shared vertex for fan, moved up z-axis
- // to produce a cone instead of a circle
- glColor3f(1.0f, 1.0f, 0.0f);
- glVertex3f(0.0f, 0.0f, m_pulsarBeamLength);
-
- // Loop around in a circle and specify even points along the circle
- // as the vertices of the triangle fan (32 sections)
- for(angle = 0.0f; angle < (2.0f*GL_PI); angle += (GL_PI/32.0f))
- {
- // Calculate x and y position of the next vertex
- x = m_pulsarBeamOuterRadius * sin(angle);
- y = m_pulsarBeamOuterRadius * cos(angle);
-
- // Specify the next vertex for the triangle fan
- glVertex2f(x, y);
- }
-
- glEnd();
-
- // draw first cone's inner layer (do we need/want this?)
- glBegin(GL_TRIANGLE_FAN);
- glColor3f(0.66f, 0.66f, 0.0f);
- glVertex3f(0.0f, 0.0f, m_pulsarBeamLength);
- for(angle = 0.0f; angle < (2.0f*GL_PI); angle += (GL_PI/32.0f)) {
- x = m_pulsarBeamInnerRadius * sin(angle);
- y = m_pulsarBeamInnerRadius * cos(angle);
- glVertex2f(x, y);
- }
- glEnd();
-
- // draw first cone's "rim" (disk topping gap between both cones)
- glColor3f(1.0f, 1.0f, 0.5f);
- gluDisk(m_quadricPulsarConeRim1, m_pulsarBeamInnerRadius, m_pulsarBeamOuterRadius, 32, 8);
-
- glPopMatrix();
-
- // second cone
- glPushMatrix();
- glRotatef(180.0, 1.0, 0.0, 0.0);
+ // first cone
+ glPushMatrix();
+ {
glRotatef(-m_pulsarSpinAxisInclination, 1.0, 0.0, 0.0);
- glRotatef(-m_pulsarRotationAngle - 90.0, 0.0, 0.0, 1.0);
+ glRotatef(m_pulsarRotationAngle - 90.0, 0.0, 0.0, 1.0);
glRotatef(-m_pulsarMagneticAxisInclination, 0.0, 1.0, 0.0);
- glTranslatef(0.0, 0.0, -4.0);
-
- glMaterialfv(GL_FRONT, GL_AMBIENT, coneAmbient);
- glMaterialfv(GL_FRONT, GL_DIFFUSE, coneDiffuse);
-
- // draw first cone's outer layer
- glBegin(GL_TRIANGLE_FAN);
-
- // Pinnacle of cone is shared vertex for fan, moved up z-axis
- // to produce a cone instead of a circle
- glColor3f(1.0f, 1.0f, 0.0f);
- glVertex3f(0.0f, 0.0f, 3.0f);
-
- // Loop around in a circle and specify even points along the circle
- // as the vertices of the triangle fan (32 sections)
- for(angle = 0.0f; angle < (2.0f*GL_PI); angle += (GL_PI/32.0f))
- {
- // Calculate x and y position of the next vertex
- x = m_pulsarBeamOuterRadius * sin(angle);
- y = m_pulsarBeamOuterRadius * cos(angle);
-
- // Specify the next vertex for the triangle fan
- glVertex2f(x, y);
- }
-
- glEnd();
-
- // draw first cone's inner layer (do we need/want this?)
- glBegin(GL_TRIANGLE_FAN);
- glColor3f(0.66f, 0.66f, 0.0f);
- glVertex3f(0.0f, 0.0f, 3.0f);
- for(angle = 0.0f; angle < (2.0f*GL_PI); angle += (GL_PI/32.0f)) {
- x = m_pulsarBeamInnerRadius * sin(angle);
- y = m_pulsarBeamInnerRadius * cos(angle);
- glVertex2f(x, y);
- }
- glEnd();
+ // draw magnetic axis (for both cones)
+ if(m_showRotationAxes) {
+ glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
+ glColor3f(1.0f, 1.0f, 0.0f);
+ glPushMatrix();
+ {
+ glTranslatef(0.0, 0.0, -5.0);
+ gluCylinder(m_quadricPulsarMagneticAxis, 0.025, 0.025, 10.0, 32, 1);
+ }
+ glPopMatrix();
+ glPushMatrix();
+ {
+ glTranslatef(0.0, 0.0, -5.0);
+ gluDisk(m_quadricPulsarSpinAxisTop1, 0, 0.025, 32, 8);
+ }
+ glPopMatrix();
+ glPushMatrix();
+ {
+ glTranslatef(0.0, 0.0, 5.0);
+ gluDisk(m_quadricPulsarSpinAxisTop2, 0, 0.025, 32, 8);
+ }
+ glPopMatrix();
+ glPolygonMode(GL_FRONT_AND_BACK,GL_LINE);
+ }
+
+ glTranslatef(0.0, 0.0, -4.0);
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT, coneAmbient);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, coneDiffuse);
+
+ // draw first cone's outer layer
+ glBegin(GL_TRIANGLE_FAN);
+ {
+ // Pinnacle of cone is shared vertex for fan, moved up z-axis
+ // to produce a cone instead of a circle
+ glColor3f(1.0f, 1.0f, 0.0f);
+ glVertex3f(0.0f, 0.0f, m_pulsarBeamLength);
+
+ // Loop around in a circle and specify even points along the circle
+ // as the vertices of the triangle fan (32 sections)
+ for(angle = 0.0f; angle < (2.0f*GL_PI); angle += (GL_PI/32.0f))
+ {
+ // Calculate x and y position of the next vertex
+ x = m_pulsarBeamOuterRadius * sin(angle);
+ y = m_pulsarBeamOuterRadius * cos(angle);
+
+ // Specify the next vertex for the triangle fan
+ glVertex2f(x, y);
+ }
+ }
+ glEnd();
+
+ // draw first cone's inner layer (do we need/want this?)
+ glBegin(GL_TRIANGLE_FAN);
+ {
+ glColor3f(0.66f, 0.66f, 0.0f);
+ glVertex3f(0.0f, 0.0f, m_pulsarBeamLength);
+ for(angle = 0.0f; angle < (2.0f*GL_PI); angle += (GL_PI/32.0f)) {
+ x = m_pulsarBeamInnerRadius * sin(angle);
+ y = m_pulsarBeamInnerRadius * cos(angle);
+ glVertex2f(x, y);
+ }
+ }
+ glEnd();
+
+ // draw first cone's "rim" (disk topping gap between both cones)
+ glColor3f(1.0f, 1.0f, 0.5f);
+ gluDisk(m_quadricPulsarConeRim1, m_pulsarBeamInnerRadius, m_pulsarBeamOuterRadius, 32, 8);
+ }
+ glPopMatrix();
- // draw first cone's "rim" (disk topping gap between both cones)
- glColor3f(1.0f, 1.0f, 0.5f);
- gluDisk(m_quadricPulsarConeRim2, m_pulsarBeamInnerRadius, m_pulsarBeamOuterRadius, 32, 8);
+ // second cone
+ glPushMatrix();
+ {
+ glRotatef(180.0, 1.0, 0.0, 0.0);
+ glRotatef(-m_pulsarSpinAxisInclination, 1.0, 0.0, 0.0);
- glPopMatrix();
+ glRotatef(-m_pulsarRotationAngle - 90.0, 0.0, 0.0, 1.0);
+ glRotatef(-m_pulsarMagneticAxisInclination, 0.0, 1.0, 0.0);
+ glTranslatef(0.0, 0.0, -4.0);
+
+ glMaterialfv(GL_FRONT, GL_AMBIENT, coneAmbient);
+ glMaterialfv(GL_FRONT, GL_DIFFUSE, coneDiffuse);
+
+ // draw first cone's outer layer
+ glBegin(GL_TRIANGLE_FAN);
+ {
+ // Pinnacle of cone is shared vertex for fan, moved up z-axis
+ // to produce a cone instead of a circle
+ glColor3f(1.0f, 1.0f, 0.0f);
+ glVertex3f(0.0f, 0.0f, 3.0f);
+
+ // Loop around in a circle and specify even points along the circle
+ // as the vertices of the triangle fan (32 sections)
+ for(angle = 0.0f; angle < (2.0f*GL_PI); angle += (GL_PI/32.0f))
+ {
+ // Calculate x and y position of the next vertex
+ x = m_pulsarBeamOuterRadius * sin(angle);
+ y = m_pulsarBeamOuterRadius * cos(angle);
+
+ // Specify the next vertex for the triangle fan
+ glVertex2f(x, y);
+ }
+ }
+ glEnd();
+
+ // draw first cone's inner layer (do we need/want this?)
+ glBegin(GL_TRIANGLE_FAN);
+ {
+ glColor3f(0.66f, 0.66f, 0.0f);
+ glVertex3f(0.0f, 0.0f, 3.0f);
+ for(angle = 0.0f; angle < (2.0f*GL_PI); angle += (GL_PI/32.0f)) {
+ x = m_pulsarBeamInnerRadius * sin(angle);
+ y = m_pulsarBeamInnerRadius * cos(angle);
+ glVertex2f(x, y);
+ }
+ }
+ glEnd();
+
+ // draw first cone's "rim" (disk topping gap between both cones)
+ glColor3f(1.0f, 1.0f, 0.5f);
+ gluDisk(m_quadricPulsarConeRim2, m_pulsarBeamInnerRadius, m_pulsarBeamOuterRadius, 32, 8);
+ }
glPopMatrix();
-
- glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
-
- // save current state
- glMatrixMode(GL_PROJECTION);
- glPushMatrix();
- glLoadIdentity();
- glOrtho(0, width(), 0, height(), 0.1, 501.0);
- glMatrixMode(GL_MODELVIEW);
- glPushMatrix();
- glLoadIdentity();
-
- // draw backdrop (independent parallel projection)
- glColor3f(1.0f, 1.0f, 1.0f);
- glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mat_specular);
- glTranslatef(0.0, 0.0, -501.0);
- drawTexture(QPointF(0.0, 0.0), m_backgroundTexture);
-
- // restore original state
- glMatrixMode(GL_PROJECTION);
- glPopMatrix();
- glMatrixMode(GL_MODELVIEW);
+ }
+ glPopMatrix();
+
+ glPolygonMode(GL_FRONT_AND_BACK,GL_FILL);
+
+ // save current state
+ glMatrixMode(GL_PROJECTION);
+ glPushMatrix();
+ {
+ glLoadIdentity();
+ glOrtho(0, width(), 0, height(), 0.1, 501.0);
+ glMatrixMode(GL_MODELVIEW);
+ glPushMatrix();
+ {
+ glLoadIdentity();
+
+ // draw backdrop (independent parallel projection)
+ glColor3f(1.0f, 1.0f, 1.0f);
+ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, mat_specular);
+ glTranslatef(0.0, 0.0, -501.0);
+ drawTexture(QPointF(0.0, 0.0), m_backgroundTexture);
+
+ // restore original state
+ glMatrixMode(GL_PROJECTION);
+ }
glPopMatrix();
+ glMatrixMode(GL_MODELVIEW);
+ }
+ glPopMatrix();
}
void PulsarAnimationWidget::runAnimation()
{
- m_frameTimer.start(qRound(1000.0 / m_framesPerSecond));
+ m_frameTimer.start(qRound(1000.0 / m_framesPerSecond));
}
void PulsarAnimationWidget::pauseAnimation()
{
- m_frameTimer.stop();
+ m_frameTimer.stop();
}
void PulsarAnimationWidget::stopAnimation()
{
- m_frameTimer.stop();
- resetParameters();
+ m_frameTimer.stop();
+ resetParameters();
- updateGL();
+ updateGL();
}
void PulsarAnimationWidget::updateFrame()
{
- m_pulsarRotationAngle += m_pulsarRotationDelta;
- if(m_pulsarRotationAngle > 360.0) {
- m_pulsarRotationAngle -= 360.0;
- updatePulseProfile();
- }
+ m_pulsarRotationAngle += m_pulsarRotationDelta;
+ if(m_pulsarRotationAngle > 360.0) {
+ m_pulsarRotationAngle -= 360.0;
+ updatePulseProfile();
+ }
- updateGL();
+ updateGL();
- emit pulsarAnimationStep(m_pulsarRotationAngle);
+ emit pulsarAnimationStep(m_pulsarRotationAngle);
}
void PulsarAnimationWidget::showRotationAxes(bool enabled)
{
- m_showRotationAxes = enabled;
+ m_showRotationAxes = enabled;
- updateGL();
+ updateGL();
}
void PulsarAnimationWidget::mousePressEvent(QMouseEvent *event)
{
- Q_UNUSED(event);
+ Q_UNUSED(event);
- m_cameraInteraction = true;
- updateGL();
+ m_cameraInteraction = true;
+ updateGL();
}
void PulsarAnimationWidget::mouseMoveEvent(QMouseEvent *event)
{
- Qt::MouseButtons buttons = event->buttons();
- if((buttons & Qt::LeftButton) == Qt::LeftButton) {
- if(m_mouseLastX != 0) {
- m_mouseAngleH += (m_mouseLastX - event->x());
- m_mouseAngleH = m_mouseAngleH < 360 ? m_mouseAngleH : 0;
- m_mouseAngleH = m_mouseAngleH >= 0 ? m_mouseAngleH : 359;
- }
- if(m_mouseLastY != 0) {
- m_mouseAngleV -= (m_mouseLastY - event->y());
- m_mouseAngleV = m_mouseAngleV < 90 ? m_mouseAngleV : 90;
- m_mouseAngleV = m_mouseAngleV > -90 ? m_mouseAngleV : -90;
- }
-
- m_mouseLastX = event->x();
- m_mouseLastY = event->y();
- }
- else if((buttons & Qt::RightButton) == Qt::RightButton) {
- if(m_mouseLastY != 0) {
- m_cameraZoom -= (m_mouseLastY - event->y());
- m_cameraZoom = m_cameraZoom >= m_cameraZoomLBound ? m_cameraZoom : m_cameraZoomLBound;
- m_cameraZoom = m_cameraZoom >= m_cameraZoomUBound ? m_cameraZoomUBound : m_cameraZoom;
- }
-
- m_mouseLastY = event->y();
- }
-
- updateCameraPosition(m_mouseAngleH, m_mouseAngleV, m_cameraZoom);
+ Qt::MouseButtons buttons = event->buttons();
+ if((buttons & Qt::LeftButton) == Qt::LeftButton) {
+ if(m_mouseLastX != 0) {
+ m_mouseAngleH += (m_mouseLastX - event->x());
+ m_mouseAngleH = m_mouseAngleH < 360 ? m_mouseAngleH : 0;
+ m_mouseAngleH = m_mouseAngleH >= 0 ? m_mouseAngleH : 359;
+ }
+ if(m_mouseLastY != 0) {
+ m_mouseAngleV -= (m_mouseLastY - event->y());
+ m_mouseAngleV = m_mouseAngleV < 90 ? m_mouseAngleV : 90;
+ m_mouseAngleV = m_mouseAngleV > -90 ? m_mouseAngleV : -90;
+ }
+
+ m_mouseLastX = event->x();
+ m_mouseLastY = event->y();
+ }
+ else if((buttons & Qt::RightButton) == Qt::RightButton) {
+ if(m_mouseLastY != 0) {
+ m_cameraZoom -= (m_mouseLastY - event->y());
+ m_cameraZoom = m_cameraZoom >= m_cameraZoomLBound ? m_cameraZoom : m_cameraZoomLBound;
+ m_cameraZoom = m_cameraZoom >= m_cameraZoomUBound ? m_cameraZoomUBound : m_cameraZoom;
+ }
+
+ m_mouseLastY = event->y();
+ }
+
+ updateCameraPosition(m_mouseAngleH, m_mouseAngleV, m_cameraZoom);
}
void PulsarAnimationWidget::mouseReleaseEvent(QMouseEvent *event)
{
- Q_UNUSED(event);
+ Q_UNUSED(event);
- m_mouseLastX = 0;
- m_mouseLastY = 0;
- m_cameraInteraction = false;
+ m_mouseLastX = 0;
+ m_mouseLastY = 0;
+ m_cameraInteraction = false;
- updateGL();
+ updateGL();
}
void PulsarAnimationWidget::showEvent(QShowEvent *event)
{
- Q_UNUSED(event);
+ Q_UNUSED(event);
- // update and propagate pulse profile
- updatePulseProfile();
+ // update and propagate pulse profile
+ updatePulseProfile();
}
void PulsarAnimationWidget::updateCameraPosition(const double angleH, const double angleV, const double zoom)
{
m_cameraPosX = sin(angleH * deg2rad) * cos(angleV * deg2rad) * zoom;
m_cameraPosY = sin(angleV * deg2rad) * zoom;
- m_cameraPosZ = cos(angleH * deg2rad) * cos(angleV * deg2rad) * zoom;
+ m_cameraPosZ = cos(angleH * deg2rad) * cos(angleV * deg2rad) * zoom;
- updatePulseProfile();
+ updatePulseProfile();
- updateGL();
+ updateGL();
-// qDebug("Camera (x,y,z,+,h,v): %f, %f, %f, %f, %f, %f", m_cameraPosX, m_cameraPosY, m_cameraPosZ, zoom, angleH, angleV);
+ // qDebug("Camera (x,y,z,+,h,v): %f, %f, %f, %f, %f, %f", m_cameraPosX, m_cameraPosY, m_cameraPosZ, zoom, angleH, angleV);
}
void PulsarAnimationWidget::setFramePerSecond(const unsigned int fps)
{
- m_framesPerSecond = fps;
+ m_framesPerSecond = fps;
}
void PulsarAnimationWidget::setPulsarSpinFrequency(const double frequency)
{
- m_pulsarRotationDelta = (360.0 * frequency) / m_framesPerSecond;
- updatePulseProfile();
+ m_pulsarRotationDelta = (360.0 * frequency) / m_framesPerSecond;
+ updatePulseProfile();
}
void PulsarAnimationWidget::setPulsarSpinAxisInclination(const int degrees)
{
- m_pulsarSpinAxisInclination = degrees;
- updatePulseProfile();
+ m_pulsarSpinAxisInclination = degrees;
+ updatePulseProfile();
- updateGL();
+ updateGL();
}
void PulsarAnimationWidget::setPulsarMagneticAxisInclination(const int degrees)
{
- m_pulsarMagneticAxisInclination = degrees;
- updatePulseProfile();
+ m_pulsarMagneticAxisInclination = degrees;
+ updatePulseProfile();
- updateGL();
+ updateGL();
}
void PulsarAnimationWidget::setPulsarBeamAngle(const int degrees)
@@ -596,44 +622,44 @@ void PulsarAnimationWidget::setPulsarBeamAngle(const int degrees)
void PulsarAnimationWidget::resetParameters()
{
- m_pulsarRotationAngle = 0.0;
- updatePulseProfile();
+ m_pulsarRotationAngle = 0.0;
+ updatePulseProfile();
- emit pulsarAnimationStep(m_pulsarRotationAngle);
+ emit pulsarAnimationStep(m_pulsarRotationAngle);
}
void PulsarAnimationWidget::updatePulseProfile()
{
- // prepare parameters (e.g. convert to radians where necessary)
- const double i = deg2rad * m_pulsarSpinAxisInclination;
- const double y = deg2rad * m_pulsarMagneticAxisInclination;
- double phiOrb = 0.0;
- const double deltaPhiRot = deg2rad * 1.0;
- const double deltaPhiOrb = deg2rad * deltaPhiRot;
- const double rp = 0.0;
- const double xk = -m_cameraPosZ;
- const double yk = -m_cameraPosX;
- const double zk = m_cameraPosY;
- const double cam = pow(xk, 2.0) + pow(yk, 2.0) + pow(zk, 2.0);
- const double alpha = deg2rad * (90.0 - m_mouseAngleH);
- const double delta = deg2rad * m_mouseAngleV;
- const double gaussProfile = 0.012337;
-
- for(int x = 0; x < 360; ++x) {
- // determine angle between pulsar's magnetic axis and line of sight
- phiOrb += deltaPhiOrb;
- const double phiRot = x * deltaPhiRot;
-
- double a = -sin(y) * sin(phiRot) * (xk + rp * cos(phiOrb)) \
- + (cos(i) * sin(y) * cos(phiRot) + sin(i) * cos(y)) * (yk + rp * sin(phiOrb)) \
- - (sin(i) * sin(y) * cos(phiRot) - cos(i) * cos(y)) * zk;
-
- double b = sqrt(pow(rp,2.0) + cam - (2.0 * sqrt(cam) * rp * cos(delta) * sin(alpha + phiOrb)));
-
- // determine and store pulse amplitude
- m_pulseProfile[x] = exp(-2.0 * (1.0 - fabs(a/b)) / gaussProfile);
- }
-
- // propagate new profile
- emit pulseProfileUpdated(m_pulseProfile);
+ // prepare parameters (e.g. convert to radians where necessary)
+ const double i = deg2rad * m_pulsarSpinAxisInclination;
+ const double y = deg2rad * m_pulsarMagneticAxisInclination;
+ double phiOrb = 0.0;
+ const double deltaPhiRot = deg2rad * 1.0;
+ const double deltaPhiOrb = deg2rad * deltaPhiRot;
+ const double rp = 0.0;
+ const double xk = -m_cameraPosZ;
+ const double yk = -m_cameraPosX;
+ const double zk = m_cameraPosY;
+ const double cam = pow(xk, 2.0) + pow(yk, 2.0) + pow(zk, 2.0);
+ const double alpha = deg2rad * (90.0 - m_mouseAngleH);
+ const double delta = deg2rad * m_mouseAngleV;
+ const double gaussProfile = 0.012337;
+
+ for(int x = 0; x < 360; ++x) {
+ // determine angle between pulsar's magnetic axis and line of sight
+ phiOrb += deltaPhiOrb;
+ const double phiRot = x * deltaPhiRot;
+
+ double a = -sin(y) * sin(phiRot) * (xk + rp * cos(phiOrb)) \
+ + (cos(i) * sin(y) * cos(phiRot) + sin(i) * cos(y)) * (yk + rp * sin(phiOrb)) \
+ - (sin(i) * sin(y) * cos(phiRot) - cos(i) * cos(y)) * zk;
+
+ double b = sqrt(pow(rp,2.0) + cam - (2.0 * sqrt(cam) * rp * cos(delta) * sin(alpha + phiOrb)));
+
+ // determine and store pulse amplitude
+ m_pulseProfile[x] = exp(-2.0 * (1.0 - fabs(a/b)) / gaussProfile);
+ }
+
+ // propagate new profile
+ emit pulseProfileUpdated(m_pulseProfile);
}