void Optimize()
{
ROOT::Minuit2::Minuit2Minimizer min2;
min2.SetMaxFunctionCalls(1000000);
min2.SetMaxIterations(100000);
min2.SetTolerance(0.001);
ROOT::Math::Functor f(&Func, 3);
double step[3] = {0.01, 0.01, 0.01};
double par[3] = {3*mm, -1/(50*mm), 0.};
double pmin[3] = {1*mm, -1/(20*mm), -3};
double pmax[3] = {5*mm, -1/(100*mm), 1};
min2.SetFunction(f);
min2.SetLimitedVariable(0, "thickness", par[0], step[0], pmin[0], pmax[0]);
min2.SetLimitedVariable(1, "curvature", par[1], step[1], pmin[1], pmax[1]);
min2.SetLimitedVariable(2, "conic constant", par[2], step[2], pmin[2], pmax[2]);
min2.Minimize();
const double* x = min2.X();
std::cout << "Thickness = " << x[0]/mm << " (mm)\n";
std::cout << "Raduis = " << (1/x[1])/mm << " (mm)\n";
std::cout << "Conic = " << x[2] << "\n";
DrawPSF();
gPad = 0;
gOpticsManager->GetTopVolume()->Draw("ogl");
DrawRays();
}
void Sphere::DiscreteSource(sf::RenderWindow * window)
{
double dist = c2.center.x - c1.center.x;
double* param = getParam(c1.r, c2.r, dist);
Ray* ray = new Ray[200];
double x, y, t;
int i = 0;
double step = 2 * param[0] /10;
// cout <<"step"<< step << "param"<<param[0]<< " "<<param[1] << endl;
/*t = -param[0]+0.1;
x = std::cos(t) * c1.r;
y = std::sin(t) * c1.r;
ray[i] = Ray(Vector2(70, 250), Vector2(c1.center.x + x, 250 + y));
DrawRays(ray[i], window);*/
for (t = -param[0]; t <= param[0]; t += 0.02) {
cout << "step" << step <<" "<< "t" << t << endl;
x = std::cos(t) * c1.r;
y = std::sin(t) * c1.r;
ray[i]= Ray(Vector2(0,250), Vector2(c1.center.x + x, 250 + y));
// ray[i].print();
DrawRays(ray[i], window);
i++;
cout << i << endl;
}
}
void GLUTRedraw(void)
{
// Check scene
if (!scene) return;
// Set viewing transformation
viewer->Camera().Load();
// Clear window
RNRgb background = scene->Background();
glClearColor(background.R(), background.G(), background.B(), 1.0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// Load lights
LoadLights(scene);
// Draw camera
if (show_camera) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(5);
DrawCamera(scene);
glLineWidth(1);
}
// Draw lights
if (show_lights) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(5);
DrawLights(scene);
glLineWidth(1);
}
// Draw rays
if (show_rays) {
glDisable(GL_LIGHTING);
glColor3d(0.0, 1.0, 0.0);
glLineWidth(3);
DrawRays(scene);
glLineWidth(1);
}
// Draw rays
if (show_photons) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(1);
DrawPhotonPaths(scene);
glLineWidth(1);
}
// Draw rays
if (show_global_samples) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(1);
DrawGlobalSamples(scene);
glLineWidth(1);
}
// Draw rays
if (show_caustic_samples) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
glLineWidth(1);
DrawCausticSamples(scene);
glLineWidth(1);
}
// Draw scene nodes
if (show_shapes) {
glEnable(GL_LIGHTING);
R3null_material.Draw();
DrawShapes(scene, scene->Root());
R3null_material.Draw();
}
// Draw bboxes
if (show_bboxes) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 0.0, 0.0);
DrawBBoxes(scene, scene->Root());
}
// Draw frame time
if (show_frame_rate) {
char buffer[128];
static RNTime last_time;
double frame_time = last_time.Elapsed();
last_time.Read();
if ((frame_time > 0) && (frame_time < 10)) {
glDisable(GL_LIGHTING);
glColor3d(1.0, 1.0, 1.0);
sprintf(buffer, "%.1f fps", 1.0 / frame_time);
DrawText(R2Point(100, 100), buffer);
}
}
// Capture screenshot image
if (screenshot_image_name) {
if (print_verbose) printf("Creating image %s\n", screenshot_image_name);
R2Image image(GLUTwindow_width, GLUTwindow_height, 3);
image.Capture();
image.Write(screenshot_image_name);
screenshot_image_name = NULL;
}
// Swap buffers
glutSwapBuffers();
}
