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Class Selection - Added method to calculate bounding box aligned to current selected reference system

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This commit is contained in:
enricoturri1966 2023-01-06 13:27:59 +01:00
parent 221770cc94
commit fcacc7042c
2 changed files with 208 additions and 71 deletions
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263
src/slic3r/GUI/Selection.cpp
View File

@ -801,6 +801,131 @@ const BoundingBoxf3& Selection::get_full_unscaled_instance_local_bounding_box()
} }
return *m_full_unscaled_instance_local_bounding_box; return *m_full_unscaled_instance_local_bounding_box;
} }
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
const std::pair<BoundingBoxf3, Transform3d>& Selection::get_bounding_box_in_current_reference_system() const
{
static int last_coordinates_type = -1;
assert(!is_empty());
ECoordinatesType coordinates_type = wxGetApp().obj_manipul()->get_coordinates_type();
if (m_mode == Instance && coordinates_type == ECoordinatesType::Local)
coordinates_type = ECoordinatesType::World;
if (last_coordinates_type != int(coordinates_type))
const_cast<std::optional<std::pair<BoundingBoxf3, Transform3d>>*>(&m_bounding_box_in_current_reference_system)->reset();
if (!m_bounding_box_in_current_reference_system.has_value()) {
last_coordinates_type = int(coordinates_type);
BoundingBoxf3 original_box;
Transform3d trafo;
//
// calculate box aligned to current reference system
//
switch (coordinates_type)
{
case ECoordinatesType::World:
{
original_box = get_bounding_box();
trafo = Transform3d::Identity();
break;
}
case ECoordinatesType::Instance: {
for (unsigned int id : m_list) {
const GLVolume& v = *get_volume(id);
original_box.merge(v.transformed_convex_hull_bounding_box(v.get_volume_transformation().get_matrix()));
}
trafo = get_first_volume()->get_instance_transformation().get_matrix();
break;
}
case ECoordinatesType::Local: {
assert(is_single_volume_or_modifier());
const GLVolume& v = *get_first_volume();
original_box = v.bounding_box();
trafo = v.world_matrix();
break;
}
}
//
// calculate box size in world coordinates
//
auto point_to_Vec4d = [](const Vec3d& p) { return Vec4d(p.x(), p.y(), p.z(), 1.0); };
auto Vec4d_to_Vec3d = [](const Vec4d& v) { return Vec3d(v.x(), v.y(), v.z()); };
auto apply_transform = [](const std::vector<Vec4d>& original, const Transform3d& trafo, bool normalize) {
std::vector<Vec4d> transformed(original.size());
for (size_t i = 0; i < original.size(); ++i) {
transformed[i] = trafo * original[i];
if (normalize)
transformed[i].normalize();
}
return transformed;
};
auto calc_box_size = [point_to_Vec4d, Vec4d_to_Vec3d, apply_transform](const BoundingBoxf3& box, const Transform3d& trafo) {
Geometry::Transformation transformation(trafo);
// box aligned to current reference system
std::vector<Vec4d> homo_vertices = {
point_to_Vec4d({ box.min.x(), box.min.y(), box.min.z() }),
point_to_Vec4d({ box.max.x(), box.min.y(), box.min.z() }),
point_to_Vec4d({ box.max.x(), box.max.y(), box.min.z() }),
point_to_Vec4d({ box.min.x(), box.max.y(), box.min.z() }),
point_to_Vec4d({ box.min.x(), box.min.y(), box.max.z() }),
point_to_Vec4d({ box.max.x(), box.min.y(), box.max.z() }),
point_to_Vec4d({ box.max.x(), box.max.y(), box.max.z() }),
point_to_Vec4d({ box.min.x(), box.max.y(), box.max.z() })
};
// box vertices in world coordinates
std::vector<Vec4d> transformed_homo_vertices = apply_transform(homo_vertices, trafo, false);
// project back to current reference system
const std::vector<Vec4d> homo_axes = { Vec4d::UnitX(), Vec4d::UnitY(), Vec4d::UnitZ() };
std::vector<Vec4d> transformed_homo_axes = apply_transform(homo_axes, Geometry::Transformation(trafo).get_matrix_no_scaling_factor(), true);
std::vector<Vec3d> transformed_axes(transformed_homo_axes.size());
for (size_t i = 0; i < transformed_homo_axes.size(); ++i) {
transformed_axes[i] = Vec4d_to_Vec3d(transformed_homo_axes[i]);
}
Vec3d min = { DBL_MAX, DBL_MAX, DBL_MAX };
Vec3d max = { -DBL_MAX, -DBL_MAX, -DBL_MAX };
for (const Vec4d& v_homo : transformed_homo_vertices) {
const Vec3d v = Vec4d_to_Vec3d(v_homo);
for (int i = 0; i < 3; ++i) {
const double dot_i = v.dot(transformed_axes[i]);
min(i) = std::min(min(i), dot_i);
max(i) = std::max(max(i), dot_i);
}
}
// return size
const Vec3d size = max - min;
return size;
};
const Vec3d box_size = calc_box_size(original_box, trafo);
const std::vector<Vec4d> box_center = { point_to_Vec4d(original_box.center()) };
std::vector<Vec4d> transformed_box_center = apply_transform(box_center, trafo, false);
//
// return box centered at 0, 0, 0
//
const Vec3d half_box_size = 0.5 * box_size;
BoundingBoxf3 out_box(-half_box_size, half_box_size);
Geometry::Transformation out_trafo(trafo);
out_trafo.set_offset(Vec4d_to_Vec3d(transformed_box_center[0]));
*const_cast<std::optional<std::pair<BoundingBoxf3, Transform3d>>*>(&m_bounding_box_in_current_reference_system) = { out_box, out_trafo.get_matrix_no_scaling_factor() };
}
return *m_bounding_box_in_current_reference_system;
}
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
#endif // ENABLE_WORLD_COORDINATE #endif // ENABLE_WORLD_COORDINATE
void Selection::setup_cache() void Selection::setup_cache()
@ -2669,88 +2794,88 @@ void Selection::render_sidebar_layers_hints(const std::string& sidebar_field, GL
#if ENABLE_WORLD_COORDINATE_DEBUG #if ENABLE_WORLD_COORDINATE_DEBUG
void Selection::render_debug_window() const void Selection::render_debug_window() const
{ {
if (m_list.empty()) if (m_list.empty())
return; return;
if (get_first_volume()->is_wipe_tower) if (get_first_volume()->is_wipe_tower)
return; return;
ImGuiWrapper& imgui = *wxGetApp().imgui(); ImGuiWrapper& imgui = *wxGetApp().imgui();
imgui.begin(std::string("Selection matrices"), ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoResize); imgui.begin(std::string("Selection matrices"), ImGuiWindowFlags_AlwaysAutoResize | ImGuiWindowFlags_NoResize);
auto volume_name = [this](size_t id) { auto volume_name = [this](size_t id) {
const GLVolume& v = *(*m_volumes)[id]; const GLVolume& v = *(*m_volumes)[id];
return m_model->objects[v.object_idx()]->volumes[v.volume_idx()]->name; return m_model->objects[v.object_idx()]->volumes[v.volume_idx()]->name;
}; };
static size_t current_cmb_idx = 0; static size_t current_cmb_idx = 0;
static size_t current_vol_idx = *m_list.begin(); static size_t current_vol_idx = *m_list.begin();
if (m_list.find(current_vol_idx) == m_list.end()) if (m_list.find(current_vol_idx) == m_list.end())
current_vol_idx = *m_list.begin(); current_vol_idx = *m_list.begin();
if (ImGui::BeginCombo("Volumes", volume_name(current_vol_idx).c_str())) { if (ImGui::BeginCombo("Volumes", volume_name(current_vol_idx).c_str())) {
size_t count = 0; size_t count = 0;
for (unsigned int id : m_list) { for (unsigned int id : m_list) {
const GLVolume& v = *(*m_volumes)[id]; const GLVolume& v = *(*m_volumes)[id];
const bool is_selected = (current_cmb_idx == count); const bool is_selected = (current_cmb_idx == count);
if (ImGui::Selectable(volume_name(id).c_str(), is_selected)) { if (ImGui::Selectable(volume_name(id).c_str(), is_selected)) {
current_cmb_idx = count; current_cmb_idx = count;
current_vol_idx = id; current_vol_idx = id;
} }
if (is_selected) if (is_selected)
ImGui::SetItemDefaultFocus(); ImGui::SetItemDefaultFocus();
++count; ++count;
}
ImGui::EndCombo();
}
static int current_method_idx = 0;
ImGui::Combo("Decomposition method", &current_method_idx, "computeRotationScaling\0computeScalingRotation\0");
const GLVolume& v = *get_volume(current_vol_idx);
auto add_matrix = [&imgui](const std::string& name, const Transform3d& m, unsigned int size) {
ImGui::BeginGroup();
imgui.text(name);
if (ImGui::BeginTable(name.c_str(), size, ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersInner)) {
for (unsigned int r = 0; r < size; ++r) {
ImGui::TableNextRow();
for (unsigned int c = 0; c < size; ++c) {
ImGui::TableSetColumnIndex(c);
imgui.text(std::to_string(m(r, c)));
} }
} ImGui::EndCombo();
ImGui::EndTable();
} }
ImGui::EndGroup();
};
auto add_matrices_set = [add_matrix](const std::string& name, const Transform3d& m, size_t method) { static int current_method_idx = 0;
static unsigned int counter = 0; ImGui::Combo("Decomposition method", &current_method_idx, "computeRotationScaling\0computeScalingRotation\0");
++counter;
if (ImGui::CollapsingHeader(name.c_str(), ImGuiTreeNodeFlags_DefaultOpen)) {
add_matrix("Full", m, 4);
Matrix3d rotation; const GLVolume& v = *get_volume(current_vol_idx);
Matrix3d scale;
if (method == 0)
m.computeRotationScaling(&rotation, &scale);
else
m.computeScalingRotation(&scale, &rotation);
ImGui::SameLine(); auto add_matrix = [&imgui](const std::string& name, const Transform3d& m, unsigned int size) {
add_matrix("Rotation component", Transform3d(rotation), 3); ImGui::BeginGroup();
ImGui::SameLine(); imgui.text(name);
add_matrix("Scale component", Transform3d(scale), 3); if (ImGui::BeginTable(name.c_str(), size, ImGuiTableFlags_BordersOuter | ImGuiTableFlags_BordersInner)) {
} for (unsigned int r = 0; r < size; ++r) {
}; ImGui::TableNextRow();
for (unsigned int c = 0; c < size; ++c) {
ImGui::TableSetColumnIndex(c);
imgui.text(std::to_string(m(r, c)));
}
}
ImGui::EndTable();
}
ImGui::EndGroup();
};
add_matrices_set("World", v.world_matrix(), current_method_idx); auto add_matrices_set = [add_matrix](const std::string& name, const Transform3d& m, size_t method) {
add_matrices_set("Instance", v.get_instance_transformation().get_matrix(), current_method_idx); static unsigned int counter = 0;
add_matrices_set("Volume", v.get_volume_transformation().get_matrix(), current_method_idx); ++counter;
if (ImGui::CollapsingHeader(name.c_str(), ImGuiTreeNodeFlags_DefaultOpen)) {
add_matrix("Full", m, 4);
imgui.end(); Matrix3d rotation;
Matrix3d scale;
if (method == 0)
m.computeRotationScaling(&rotation, &scale);
else
m.computeScalingRotation(&scale, &rotation);
ImGui::SameLine();
add_matrix("Rotation component", Transform3d(rotation), 3);
ImGui::SameLine();
add_matrix("Scale component", Transform3d(scale), 3);
}
};
add_matrices_set("World", v.world_matrix(), current_method_idx);
add_matrices_set("Instance", v.get_instance_transformation().get_matrix(), current_method_idx);
add_matrices_set("Volume", v.get_volume_transformation().get_matrix(), current_method_idx);
imgui.end();
} }
#endif // ENABLE_WORLD_COORDINATE_DEBUG #endif // ENABLE_WORLD_COORDINATE_DEBUG

16
src/slic3r/GUI/Selection.hpp
View File

@ -242,6 +242,11 @@ private:
// Bounding box of a single full instance selection, in local coordinates, with no instance scaling applied. // Bounding box of a single full instance selection, in local coordinates, with no instance scaling applied.
// Modifiers are taken in account // Modifiers are taken in account
std::optional<BoundingBoxf3> m_full_unscaled_instance_local_bounding_box; std::optional<BoundingBoxf3> m_full_unscaled_instance_local_bounding_box;
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
// Bounding box aligned to the axis of the currently selected reference system (World/Object/Part)
// and transform to place and orient it in world coordinates
std::optional<std::pair<BoundingBoxf3, Transform3d>> m_bounding_box_in_current_reference_system;
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
#endif // ENABLE_WORLD_COORDINATE #endif // ENABLE_WORLD_COORDINATE
#if ENABLE_RENDER_SELECTION_CENTER #if ENABLE_RENDER_SELECTION_CENTER
@ -385,10 +390,14 @@ public:
// Bounding box of a single full instance selection, in world coordinates. // Bounding box of a single full instance selection, in world coordinates.
// Modifiers are taken in account // Modifiers are taken in account
const BoundingBoxf3& get_full_scaled_instance_bounding_box() const; const BoundingBoxf3& get_full_scaled_instance_bounding_box() const;
// Bounding box of a single full instance selection, in local coordinates, with no instance scaling applied. // Bounding box of a single full instance selection, in local coordinates, with no instance scaling applied.
// Modifiers are taken in account // Modifiers are taken in account
const BoundingBoxf3& get_full_unscaled_instance_local_bounding_box() const; const BoundingBoxf3& get_full_unscaled_instance_local_bounding_box() const;
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
// Returns the bounding box aligned to the axis of the currently selected reference system (World/Object/Part)
// and the transform to place and orient it in world coordinates
const std::pair<BoundingBoxf3, Transform3d>& get_bounding_box_in_current_reference_system() const;
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
#endif // ENABLE_WORLD_COORDINATE #endif // ENABLE_WORLD_COORDINATE
void setup_cache(); void setup_cache();
@ -464,7 +473,10 @@ private:
m_bounding_box.reset(); m_bounding_box.reset();
m_unscaled_instance_bounding_box.reset(); m_scaled_instance_bounding_box.reset(); m_unscaled_instance_bounding_box.reset(); m_scaled_instance_bounding_box.reset();
m_full_unscaled_instance_bounding_box.reset(); m_full_scaled_instance_bounding_box.reset(); m_full_unscaled_instance_bounding_box.reset(); m_full_scaled_instance_bounding_box.reset();
m_full_unscaled_instance_local_bounding_box.reset();; m_full_unscaled_instance_local_bounding_box.reset();
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
m_bounding_box_in_current_reference_system.reset();
//@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
} }
#else #else
void set_bounding_boxes_dirty() { m_bounding_box.reset(); m_unscaled_instance_bounding_box.reset(); m_scaled_instance_bounding_box.reset(); } void set_bounding_boxes_dirty() { m_bounding_box.reset(); m_unscaled_instance_bounding_box.reset(); m_scaled_instance_bounding_box.reset(); }