hal8174/rendering-in-cgi
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minor changes

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hal8174 2024-06-30 15:57:35 +02:00
parent 96dd15a80e
commit a6d55fb3c4
2 changed files with 4 additions and 4 deletions
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4
Assignments/Assignment3/application_integrator.cpp
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@ -28,7 +28,7 @@ void ApplicationIntegrator::drawGUI() {
if (ImGui::Checkbox("bootstrap", &bootstrap)) if (ImGui::Checkbox("bootstrap", &bootstrap))
resetRender(); resetRender();
if (ImGui::SliderInt("Bootstrap amount", &bootstrap_amount, 1, 1000000)) if (ImGui::SliderInt("Bootstrap amount", &bootstrap_amount, 1, 2000000))
resetRender(); resetRender();
if (ImGui::SliderInt("chain lengths", &chain_lengths, 1, 200000)) if (ImGui::SliderInt("chain lengths", &chain_lengths, 1, 200000))
@ -187,8 +187,8 @@ void ApplicationIntegrator::mltRender(int *pixels, int width, int height,
} }
if (l > 0.0) { if (l > 0.0) {
data.film.addSplat(x_pixel, y_pixel, (f / l) * a);
if (RandomSampler_get1D(chains[i].sampler) < a) { if (RandomSampler_get1D(chains[i].sampler) < a) {
data.film.addSplat(x_pixel, y_pixel, f / l);
accepted_count.fetch_add(1, std::memory_order_relaxed); accepted_count.fetch_add(1, std::memory_order_relaxed);
// if (i == 0) // if (i == 0)
// printf("%d accept %d %f %f %f\n", i, chains[i].is_large_step(), last_l[i], l, l / last_l[i]); // printf("%d accept %d %f %f %f\n", i, chains[i].is_large_step(), last_l[i], l, l / last_l[i]);

4
Assignments/Assignment3/application_integrator.h
View file

@ -37,10 +37,10 @@ protected:
MLTRandomSampler chains[NUM_CHAINS]; MLTRandomSampler chains[NUM_CHAINS];
float last_l[NUM_CHAINS]; float last_l[NUM_CHAINS];
size_t frame_count = 0; size_t frame_count = 0;
int chain_lengths = 100000; int chain_lengths = 10000;
float small_step_size = 0.01; float small_step_size = 0.01;
float large_step_probability = 0.02; float large_step_probability = 0.02;
bool keep_chains = true; bool keep_chains = true;
bool bootstrap = false; bool bootstrap = false;
int bootstrap_amount = 100000; int bootstrap_amount = 500000;
}; };