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Commit f9480ad0 authored by Gauthier Quesnel's avatar Gauthier Quesnel
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gui: enable file, plot or both model observations

parent f29559f9
Pipeline #11572 passed with stage
in 45 seconds
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app/gui/node-editor.cpp
View file @ f9480ad0
......@@ -30,18 +30,28 @@ enum class simulation_status
struct observation_output
{
enum class type
{
none,
plot,
file,
both
};
observation_output() = default;
observation_output(const char* name_)
: name(name_)
{}
std::ofstream ofs;
const char* name = nullptr;
array<float> data;
double tl = 0.0;
float min = -1.f;
float max = +1.f;
int id = 0;
type observation_type = type::none;
};
static void
......@@ -52,11 +62,26 @@ observation_output_initialize(const irt::observer& obs,
return;
auto* output = reinterpret_cast<observation_output*>(obs.user_data);
std::fill_n(output->data.data(), output->data.size(), 0.0f);
output->tl = t;
output->min = -1.f;
output->max = +1.f;
output->id = 0;
if (output->observation_type == observation_output::type::plot ||
output->observation_type == observation_output::type::both) {
std::fill_n(output->data.data(), output->data.size(), 0.0f);
output->tl = t;
output->min = -1.f;
output->max = +1.f;
output->id = 0;
}
if (output->observation_type == observation_output::type::file ||
output->observation_type == observation_output::type::both) {
if (!output->ofs.is_open()) {
if (output->observation_type == observation_output::type::both)
output->observation_type = observation_output::type::plot;
else
output->observation_type = observation_output::type::none;
} else
output->ofs << "t," << output->name << '\n';
}
}
static void
......@@ -68,18 +93,40 @@ observation_output_observe(const irt::observer& obs,
return;
auto* output = reinterpret_cast<observation_output*>(obs.user_data);
const auto value = static_cast<float>(msg.to_real_64(0));
auto value = static_cast<float>(msg.to_real_64(0));
output->min = std::min(output->min, value);
output->max = std::max(output->max, value);
if (output->observation_type == observation_output::type::plot ||
output->observation_type == observation_output::type::both) {
output->min = std::min(output->min, value);
output->max = std::max(output->max, value);
for (double to_fill = output->tl; to_fill < t; to_fill += obs.time_step)
if (static_cast<size_t>(output->id) < output->data.size())
output->data[output->id++] = value;
for (double to_fill = output->tl; to_fill < t; to_fill += obs.time_step)
if (static_cast<size_t>(output->id) < output->data.size())
output->data[output->id++] = value;
}
if (output->observation_type == observation_output::type::file ||
output->observation_type == observation_output::type::both) {
output->ofs << t << ',' << value << '\n';
}
output->tl = t;
}
static void
observation_output_free(const irt::observer& obs, const irt::time t) noexcept
{
if (!obs.user_data)
return;
auto* output = reinterpret_cast<observation_output*>(obs.user_data);
if (output->observation_type == observation_output::type::file ||
output->observation_type == observation_output::type::both) {
output->ofs.close();
}
}
static void
run_simulation(simulation& sim,
double begin,
......@@ -128,10 +175,14 @@ struct editor
bool stop = false;
vector<observation_output> observation_outputs;
array<observation_output::type> observation_types;
std::filesystem::path observation_directory;
void clear()
{
observation_outputs.clear();
observation_types.clear();
observation_directory.clear();
sim.clear();
}
......@@ -187,7 +238,8 @@ struct editor
status initialize(u32 id) noexcept
{
if (is_bad(sim.init(1024u, 32768u)) ||
is_bad(observation_outputs.init(sim.models.capacity())))
is_bad(observation_outputs.init(sim.models.capacity())) ||
is_bad(observation_types.init(sim.models.capacity())))
return status::gui_not_enough_memory;
auto sz =
......@@ -427,30 +479,48 @@ struct editor
void show_model_dynamics(model& mdl)
{
auto* obs = sim.observers.try_to_get(mdl.obs_id);
bool open = obs != nullptr;
ImGui::PushItemWidth(100.0f);
if (ImGui::Checkbox("observation", &open)) {
if (open) {
if (auto* old = sim.observers.try_to_get(mdl.obs_id); old)
sim.observers.free(*old);
auto& o = sim.observers.alloc(0.01, mdl.name.c_str(), nullptr);
mdl.obs_id = sim.observers.get_id(o);
} else {
if (auto* old = sim.observers.try_to_get(mdl.obs_id); old)
sim.observers.free(*old);
mdl.obs_id = static_cast<observer_id>(0);
{
const char* items[] = { "none", "plot", "file", "both" };
int current_item = 0; /* Default show none */
auto* obs = sim.observers.try_to_get(mdl.obs_id);
if (obs)
current_item =
static_cast<int>(observation_types[get_index(mdl.obs_id)]);
if (ImGui::Combo(
"observation", &current_item, items, IM_ARRAYSIZE(items))) {
if (current_item == 0) {
if (obs) {
observation_types[get_index(mdl.obs_id)] =
observation_output::type::none;
sim.observers.free(*obs);
mdl.obs_id = static_cast<observer_id>(0);
}
} else {
if (!obs) {
auto& o =
sim.observers.alloc(0.01, mdl.name.c_str(), nullptr);
sim.observe(mdl, o);
}
observation_types[get_index(mdl.obs_id)] =
current_item == 1
? observation_output::type::plot
: current_item == 2 ? observation_output::type::file
: observation_output::type::both;
}
if (auto* o = sim.observers.try_to_get(mdl.obs_id); o) {
float v = static_cast<float>(o->time_step);
if (ImGui::InputFloat("freq.", &v, 0.001f, 0.1f, "%.3f", 0))
o->time_step = static_cast<double>(v);
}
}
}
if (auto* o = sim.observers.try_to_get(mdl.obs_id); o) {
float v = static_cast<float>(o->time_step);
if (ImGui::InputFloat("freq.", &v, 0.001f, 0.1f, "%.3f", 0))
o->time_step = static_cast<double>(v);
}
ImGui::PopItemWidth();
switch (mdl.type) {
......@@ -860,7 +930,8 @@ struct editor
ImGui::OpenPopup("Context menu");
if (ImGui::BeginPopup("Context menu")) {
// ImVec2 click_pos = ImGui::GetMousePosOnOpeningCurrentPopup();
// ImVec2 click_pos =
// ImGui::GetMousePosOnOpeningCurrentPopup();
if (ImGui::MenuItem("none")) {
if (sim.none_models.can_alloc(1u) && sim.models.can_alloc(1u)) {
......@@ -1086,10 +1157,11 @@ struct editor
/*
if (ImGui::IsKeyReleased(SDL_SCANCODE_A) &&
ImGui::IsWindowFocused(ImGuiFocusedFlags_RootAndChildWindows)) {
const int node_id = ++editor.current_id;
imnodes::SetNodeScreenSpacePos(node_id, ImGui::GetMousePos());
editor.nodes.push_back(Node{ node_id, 0.f });
ImGui::IsWindowFocused(ImGuiFocusedFlags_RootAndChildWindows))
{ const int node_id = ++editor.current_id;
imnodes::SetNodeScreenSpacePos(node_id,
ImGui::GetMousePos()); editor.nodes.push_back(Node{ node_id, 0.f
});
}
*/
......@@ -1178,17 +1250,41 @@ show_simulation_box(bool* show_simulation)
ed->observation_outputs.clear();
observer* obs = nullptr;
while (ed->sim.observers.next(obs)) {
ed->observation_outputs.emplace_back(obs->name.c_str());
auto* output =
ed->observation_outputs.emplace_back(obs->name.c_str());
const auto type = ed->observation_types[get_index(
ed->sim.observers.get_id(*obs))];
const auto diff = ed->simulation_end - ed->simulation_begin;
const auto freq = diff / obs->time_step;
const size_t lenght = static_cast<size_t>(freq);
const auto length = static_cast<size_t>(freq);
output->observation_type = type;
if (type == observation_output::type::plot ||
type == observation_output::type::both) {
output->data.init(length);
}
if (!obs->name.empty()) {
const std::filesystem::path obs_file_path =
ed->observation_directory / obs->name.c_str();
if (type == observation_output::type::file ||
type == observation_output::type::both) {
if (output->ofs.open(obs_file_path);
!output->ofs.is_open())
log_w.log(
4,
"Fail to open observation file: %s in %s\n",
obs->name.c_str(),
ed->observation_directory.u8string().c_str());
}
}
ed->observation_outputs.back().data.init(lenght);
obs->initialize = &observation_output_initialize;
obs->observe = &observation_output_observe;
obs->user_data =
static_cast<void*>(&ed->observation_outputs.back());
obs->free = &observation_output_free;
obs->user_data = static_cast<void*>(output);
}
ed->st = simulation_status::running;
......@@ -1218,15 +1314,22 @@ show_simulation_box(bool* show_simulation)
const double fraction = elapsed / duration;
ImGui::ProgressBar(static_cast<float>(fraction));
for (const auto& obs : ed->observation_outputs)
ImGui::PlotLines(obs.name,
obs.data.data(),
static_cast<int>(obs.data.size()),
0,
nullptr,
obs.min,
obs.max,
ImVec2(0.f, 50.f));
for (const auto& obs : ed->observation_outputs) {
if (obs.observation_type == observation_output::type::plot ||
obs.observation_type == observation_output::type::both)
ImGui::PlotLines(obs.name,
obs.data.data(),
static_cast<int>(obs.data.size()),
0,
nullptr,
obs.min,
obs.max,
ImVec2(0.f, 50.f));
if (obs.observation_type == observation_output::type::file ||
obs.observation_type == observation_output::type::both)
ImGui::Text("%s: output file", obs.name);
}
}
}
......
lib/include/irritator/core.hpp
View file @ f9480ad0
......@@ -2875,15 +2875,34 @@ struct observer
{
observer() noexcept = default;
observer(const time time_step_, const char* name_, void* user_data_)
observer(const time time_step_,
const char* name_,
void* user_data_) noexcept
: time_step(std::clamp(time_step_, 0.0, time_domain<time>::infinity))
, name(name_)
, user_data(user_data_)
{}
observer(const time time_step_,
const char* name_,
void* user_data_,
void (*initialize_)(const observer& obs, const time t) noexcept,
void (*observe_)(const observer& obs,
const time t,
const message& msg) noexcept,
void (*free_)(const observer& obs, const time t) noexcept)
: time_step(std::clamp(time_step_, 0.0, time_domain<time>::infinity))
, name(name_)
, user_data(user_data_)
, initialize(initialize_)
, observe(observe_)
, free(free_)
{}
double tl = 0.0;
double time_step = 0.0;
small_string<8> name;
model_id model = static_cast<model_id>(0);
void* user_data = nullptr;
......@@ -4713,6 +4732,12 @@ public:
return status::success;
}
void observe(model& mdl, observer& obs) noexcept
{
mdl.obs_id = observers.get_id(obs);
obs.model = models.get_id(mdl);
}
status deallocate(model_id id)
{
auto* mdl = models.try_to_get(id);
......
lib/test/public-api.cpp
View file @ f9480ad0
......@@ -1017,18 +1017,25 @@ main()
file_output fo_a("lotka-volterra_a.csv");
file_output fo_b("lotka-volterra_b.csv");
auto& obs_a = sim.observers.alloc(0.01, "A", static_cast<void*>(&fo_a));
auto& obs_b = sim.observers.alloc(0.01, "B", static_cast<void*>(&fo_b));
obs_a.initialize = &file_output_initialize;
obs_a.observe = &file_output_observe;
obs_b.initialize = &file_output_initialize;
obs_b.observe = &file_output_observe;
sim.models.get(integrator_a.id).obs_id = sim.observers.get_id(obs_a);
sim.models.get(integrator_b.id).obs_id = sim.observers.get_id(obs_b);
expect(fo_a.os != nullptr);
expect(fo_b.os != nullptr);
auto& obs_a = sim.observers.alloc(0.01,
"A",
static_cast<void*>(&fo_a),
file_output_initialize,
&file_output_observe,
nullptr);
auto& obs_b = sim.observers.alloc(0.01,
"B",
static_cast<void*>(&fo_b),
file_output_initialize,
&file_output_observe,
nullptr);
sim.observe(sim.models.get(integrator_a.id), obs_a);
sim.observe(sim.models.get(integrator_b.id), obs_b);
irt::time t = 0.0;
expect(sim.initialize(t) == irt::status::success);
......@@ -1196,18 +1203,26 @@ main()
dw(sim);
file_output fo_a("izhikevitch_a.csv");
file_output fo_b("izhikevitch_b.csv");
auto& obs_a = sim.observers.alloc(0.01, "A", static_cast<void*>(&fo_a));
auto& obs_b = sim.observers.alloc(0.01, "B", static_cast<void*>(&fo_b));
obs_a.initialize = &file_output_initialize;
obs_a.observe = &file_output_observe;
obs_b.initialize = &file_output_initialize;
obs_b.observe = &file_output_observe;
sim.models.get(integrator_a.id).obs_id = sim.observers.get_id(obs_a);
sim.models.get(integrator_b.id).obs_id = sim.observers.get_id(obs_b);
expect(fo_a.os != nullptr);
auto& obs_a = sim.observers.alloc(0.01,
"A",
static_cast<void*>(&fo_a),
&file_output_initialize,
&file_output_observe,
nullptr);
file_output fo_b("izhikevitch_b.csv");
expect(fo_b.os != nullptr);
auto& obs_b = sim.observers.alloc(0.01,
"B",
static_cast<void*>(&fo_b),
&file_output_initialize,
&file_output_observe,
nullptr);
sim.observe(sim.models.get(integrator_a.id), obs_a);
sim.observe(sim.models.get(integrator_b.id), obs_b);
irt::time t = 0.0;
......
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