Interface mockup 14

src/interface/components/Dialog.cpp

@@ -48,26 +48,29 @@ Dialog::Dialog(QWidget* parent, bool scrollable)
                                      style::metrics::section_body_padding);
     frame_layout->setSpacing(0);
 
-    if (scrollable) {
-        auto* scroll = new QScrollArea(frame);
-        scroll->setWidgetResizable(true);
-        scroll->setFrameShape(QFrame::NoFrame);
+    auto* scroll = new QScrollArea(frame);
+    scroll->setWidgetResizable(true);
+    scroll->setFrameShape(QFrame::NoFrame);
 
-        auto* scroll_body = new QWidget(scroll);
-        scroll_body->setObjectName("panelScrollBody");
-        body_layout_ = new QVBoxLayout(scroll_body);
-        body_layout_->setContentsMargins(0, 0, 0, 0);
-        body_layout_->setSpacing(style::metrics::section_body_padding);
+    auto* scroll_body = new QWidget(scroll);
+    scroll_body->setObjectName("panelScrollBody");
+    body_layout_ = new QVBoxLayout(scroll_body);
+    body_layout_->setContentsMargins(0, 0, 0, 0);
+    body_layout_->setSpacing(style::metrics::section_body_padding);
+    body_layout_->setAlignment(Qt::AlignTop);
 
-        scroll->setWidget(scroll_body);
-        frame_layout->addWidget(scroll);
-    } else {
-        auto* body = new QWidget(frame);
-        body_layout_ = new QVBoxLayout(body);
-        body_layout_->setContentsMargins(0, 0, 0, 0);
-        body_layout_->setSpacing(style::metrics::section_body_padding);
-        frame_layout->addWidget(body);
-    }
+    scroll->setWidget(scroll_body);
+    frame_layout->addWidget(scroll, scrollable ? 1 : 0);
+
+    auto* footer = new QWidget(frame);
+    footer_layout_ = new QVBoxLayout(footer);
+    footer_layout_->setContentsMargins(style::metrics::section_body_padding,
+                                       style::metrics::section_body_padding,
+                                       style::metrics::section_body_padding,
+                                       0);
+    footer_layout_->setSpacing(style::metrics::section_body_padding);
+    footer_layout_->setAlignment(Qt::AlignTop);
+    frame_layout->addWidget(footer);
 
     outer_layout->addWidget(frame);
 }
@@ -76,4 +79,8 @@ void Dialog::addBodyWidget(QWidget* widget) {
     body_layout_->addWidget(widget);
 }
 
+void Dialog::addFooterWidget(QWidget* widget) {
+    footer_layout_->addWidget(widget);
+}
+
 } // namespace ifcinterface::components

src/interface/components/Dialog.h

@@ -36,9 +36,11 @@ public:
                     bool scrollable = false);
 
     void addBodyWidget(QWidget* widget);
+    void addFooterWidget(QWidget* widget);
 
 private:
     QVBoxLayout* body_layout_ = nullptr;
+    QVBoxLayout* footer_layout_ = nullptr;
 };
 
 } // namespace ifcinterface::components

src/interface/components/Panel.cpp

@@ -98,6 +98,7 @@ Panel::Panel(const QString& title, QWidget* content, QWidget* parent, bool has_s
         body_layout_ = new QVBoxLayout(scroll_body);
         body_layout_->setContentsMargins(0, 0, 0, 0);
         body_layout_->setSpacing(style::metrics::section_body_padding);
+        body_layout_->setAlignment(Qt::AlignTop);
 
         scroll->setWidget(scroll_body);
         frame_layout->addWidget(scroll);
@@ -106,11 +107,12 @@ Panel::Panel(const QString& title, QWidget* content, QWidget* parent, bool has_s
         body_layout_ = new QVBoxLayout(body);
         body_layout_->setContentsMargins(0, 0, 0, 0);
         body_layout_->setSpacing(style::metrics::section_body_padding);
+        body_layout_->setAlignment(Qt::AlignTop);
         frame_layout->addWidget(body);
     }
 
     if (content) {
-        body_layout_->addWidget(content);
+        addBodyWidget(content);
     }
     outer_layout->addWidget(frame);
 

src/interface/components/Section.cpp

@@ -24,6 +24,7 @@
 
 #include <QFrame>
 #include <QHBoxLayout>
+#include <QSizePolicy>
 #include <QToolButton>
 #include <QVBoxLayout>
 
@@ -33,6 +34,7 @@ Section::Section(const QString& title, SectionHeaderMode header_mode, QWidget* p
     : QWidget(parent)
 {
     setObjectName("panelSection");
+    setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Maximum);
     auto* layout = new QVBoxLayout(this);
     layout->setContentsMargins(0, 0, 0, 0);
     layout->setSpacing(style::metrics::padding);
@@ -59,6 +61,11 @@ Section::Section(const QString& title, SectionHeaderMode header_mode, QWidget* p
         connect(toggle_button_, &QToolButton::toggled, this, [this](bool expanded) {
             toggle_button_->setArrowType(expanded ? Qt::DownArrow : Qt::RightArrow);
             body_->setVisible(expanded);
+            body_->setMaximumHeight(expanded ? QWIDGETSIZE_MAX : 0);
+            body_->setMinimumHeight(0);
+            setSizePolicy(QSizePolicy::Preferred,
+                          body_expanding_ && expanded ? QSizePolicy::Expanding : QSizePolicy::Maximum);
+            updateGeometry();
         });
     }
 
@@ -70,6 +77,7 @@ Section::Section(const QString& title, SectionHeaderMode header_mode, QWidget* p
                                      style::metrics::section_body_padding,
                                      0);
     body_layout_->setSpacing(style::metrics::padding);
+    body_->setMinimumHeight(0);
     layout->addWidget(body_);
 }
 
@@ -98,4 +106,13 @@ void Section::setExpanded(bool expanded) {
     toggle_button_->setChecked(expanded);
 }
 
+void Section::setBodyExpanding(bool expanding) {
+    body_expanding_ = expanding;
+    body_->setSizePolicy(QSizePolicy::Preferred, expanding ? QSizePolicy::Expanding : QSizePolicy::Preferred);
+    body_layout_->setStretch(0, expanding ? 1 : 0);
+    setSizePolicy(QSizePolicy::Preferred,
+                  expanding && isExpanded() ? QSizePolicy::Expanding : QSizePolicy::Maximum);
+    updateGeometry();
+}
+
 } // namespace ifcinterface::components

src/interface/components/Section.h

@@ -46,12 +46,14 @@ public:
     void addHeaderWidget(QWidget* widget);
     bool isExpanded() const;
     void setExpanded(bool expanded);
+    void setBodyExpanding(bool expanding);
 
 private:
     QWidget* body_ = nullptr;
     QVBoxLayout* body_layout_ = nullptr;
     QHBoxLayout* header_layout_ = nullptr;
     QToolButton* toggle_button_ = nullptr;
+    bool body_expanding_ = false;
 };
 
 } // namespace ifcinterface::components

src/interface/components/Style.cpp

@@ -87,15 +87,13 @@ QString buildAppStyleSheet() {
             border-right: none;
         }
         QLabel#ribbonGroupLabel {
-            font-size: 9px;
+            font-size: ${font_small}px;
             font-weight: 600;
-            letter-spacing: 0.08em;
         }
         QToolButton#ribbonButton {
             background: transparent;
             border: none;
             padding: 6px 4px 4px 4px;
-            font-size: 11px;
             color: ${primary_text};
         }
         QToolButton#ribbonButton:hover {
@@ -144,9 +142,8 @@ QString buildAppStyleSheet() {
         }
         QLabel#panelTitleText {
             color: ${primary_text};
-            font-size: 10px;
-            font-weight: 700;
-            letter-spacing: 0.08em;
+            font-size: ${font_small}px;
+            font-weight: 600;
         }
         QToolButton#panelTitleButton {
             color: ${panel_title_button};
@@ -168,6 +165,12 @@ QString buildAppStyleSheet() {
             outline: none;
             gridline-color: ${border};
         }
+        QTableWidget#modelCoordinatesTable {
+            font-size: ${font_small}px;
+        }
+        QTableWidget#modelCoordinatesTable QHeaderView::section {
+            font-size: ${font_small}px;
+        }
         QTreeWidget::viewport, QListWidget::viewport, QTableWidget::viewport {
             background: ${panel_background};
         }
@@ -463,6 +466,7 @@ QString buildAppStyleSheet() {
     stylesheet.replace("${panel_radius}", QString::number(metrics::panel_radius));
     stylesheet.replace("${padding}", QString::number(metrics::padding));
     stylesheet.replace("${section_header_padding}", QString::number(metrics::section_header_padding));
+    stylesheet.replace("${font_small}", QString::number(typography::small));
 
     stylesheet.replace("${app_background}", palette::app_background);
     stylesheet.replace("${border}", palette::border);

src/interface/components/Style.h

@@ -32,6 +32,12 @@ inline constexpr int panel_radius = 3;
 
 } // namespace ifcinterface::components::style::metrics
 
+namespace ifcinterface::components::style::typography {
+
+inline constexpr int small = 10;
+
+} // namespace ifcinterface::components::style::typography
+
 namespace ifcinterface::components::style::palette {
 
 inline constexpr auto app_background = "#26292f";

src/interface/main.cpp

@@ -30,14 +30,8 @@
 namespace {
 
 void installUiFont() {
-    const QString blender_font =
-        "/home/dion/drive/blender/blender-5.1.0-linux-x64/5.1/datafiles/fonts/Inter.woff2";
-
-    int font_id = QFontDatabase::addApplicationFont(blender_font);
-    if (font_id < 0) {
-        font_id = QFontDatabase::addApplicationFont(
-            ":/fonts/DMSans-VariableFont_opsz,wght.ttf");
-    }
+    const int font_id = QFontDatabase::addApplicationFont(
+        ":/fonts/DMSans-VariableFont_opsz,wght.ttf");
     QString family;
     if (font_id >= 0) {
         const QStringList families = QFontDatabase::applicationFontFamilies(font_id);

src/interface/modules/models/Controller.cpp

@@ -216,7 +216,7 @@ void ModelsPanelController::removeLoadedModel(const QString& fed_id) {
 }
 
 void ModelsPanelController::openSettings() {
-    SettingsDialog dialog(session_state_->federation(), host_);
+    SettingsDialog dialog(session_state_, host_);
     dialog.exec();
 }
 

src/interface/modules/models/Panel.cpp

@@ -27,6 +27,7 @@
 #include <QInputDialog>
 #include <QLineEdit>
 #include <QMenu>
+#include <QSizePolicy>
 #include <QTreeWidget>
 #include <QTreeWidgetItem>
 
@@ -36,8 +37,9 @@ ModelsPanel::ModelsPanel(QWidget* parent)
     : components::Panel("Models", nullptr, parent, true)
 {
     auto* section = new components::Section("", components::SectionHeaderMode::Hidden, this);
-
+    section->setBodyExpanding(true);
     tree_ = new QTreeWidget(section);
+    tree_->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Expanding);
     tree_->setColumnCount(2);
     tree_->setHeaderLabels({"Model", ""});
     tree_->setIconSize(QSize(16, 16));

src/interface/modules/models/SettingsDialog.cpp

@@ -20,24 +20,33 @@
 
 #include "SettingsDialog.h"
 
+#include "../../SessionState.h"
 #include "../../../ifcviewer/Federation.h"
+#include "../../../ifcviewer/SceneLoader.h"
 #include "../../components/Section.h"
 #include "../../components/Style.h"
 #include "../../components/SvgIcon.h"
 #include "../../components/Tabs.h"
 
-#include <QButtonGroup>
 #include <QComboBox>
 #include <QDialogButtonBox>
 #include <QFormLayout>
+#include <QHeaderView>
 #include <QHBoxLayout>
 #include <QLabel>
 #include <QLineEdit>
 #include <QPushButton>
-#include <QRadioButton>
+#include <QRegularExpression>
+#include <QSizePolicy>
 #include <QShowEvent>
+#include <QSignalBlocker>
+#include <QScrollBar>
+#include <QTableWidget>
+#include <QTableWidgetItem>
 #include <QVBoxLayout>
 
+#include <cmath>
+
 namespace ifcinterface::modules::models {
 
 namespace {
@@ -59,13 +68,6 @@ const UnitChoice kUnitChoices[] = {
     {"Miles (mi)", "", "mile"},
 };
 
-QString unitDisplay(const FederationConfig& cfg) {
-    QString s;
-    if (!cfg.unit_prefix.empty()) s += QString::fromStdString(cfg.unit_prefix) + " ";
-    s += QString::fromStdString(cfg.unit_name);
-    return s;
-}
-
 QLineEdit* makeNumericField(QWidget* parent, const QString& placeholder = {}) {
     auto* field = new QLineEdit(parent);
     field->setPlaceholderText(placeholder);
@@ -73,6 +75,19 @@ QLineEdit* makeNumericField(QWidget* parent, const QString& placeholder = {}) {
     return field;
 }
 
+QWidget* makeEqualThirdsRow(QWidget* parent, QLineEdit* a, QLineEdit* b, QLineEdit* c) {
+    auto* row = new QWidget(parent);
+    auto* layout = new QHBoxLayout(row);
+    layout->setContentsMargins(0, 0, 0, 0);
+    layout->setSpacing(components::style::metrics::padding);
+    for (QLineEdit* field : {a, b, c}) {
+        field->setMaximumWidth(QWIDGETSIZE_MAX);
+        field->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Fixed);
+        layout->addWidget(field, 1);
+    }
+    return row;
+}
+
 QString formatNumber(double value) {
     return QString::number(value, 'f', 6);
 }
@@ -83,57 +98,62 @@ double parseNumber(QLineEdit* field) {
     return ok ? value : 0.0;
 }
 
-QWidget* makeVector3Row(QLineEdit* x,
-                        QLineEdit* y,
-                        QLineEdit* z,
-                        QWidget* parent) {
-    auto* row = new QWidget(parent);
-    auto* layout = new QHBoxLayout(row);
-    layout->setContentsMargins(0, 0, 0, 0);
-    layout->setSpacing(components::style::metrics::padding);
-    layout->addWidget(x);
-    layout->addWidget(y);
-    layout->addWidget(z);
-    layout->addStretch(1);
-    return row;
+QString formatVector3(const Eigen::Vector3d& value) {
+    return QString("%1, %2, %3").arg(formatNumber(value.x()), formatNumber(value.y()), formatNumber(value.z()));
 }
 
-QWidget* makeRotationRow(QLineEdit* rx,
-                         QLineEdit* ry,
-                         QLineEdit* rz,
-                         QWidget* parent) {
-    auto* row = new QWidget(parent);
-    auto* layout = new QHBoxLayout(row);
-    layout->setContentsMargins(0, 0, 0, 0);
-    layout->setSpacing(components::style::metrics::padding);
-    layout->addWidget(rx);
-    layout->addWidget(ry);
-    layout->addWidget(rz);
-    layout->addStretch(1);
-    return row;
+Eigen::Vector3d parseVector3(const QString& text) {
+    const QStringList parts = text.split(QRegularExpression("[,\\s]+"), Qt::SkipEmptyParts);
+    if (parts.size() != 3) return Eigen::Vector3d::Zero();
+
+    bool ok_x = false;
+    bool ok_y = false;
+    bool ok_z = false;
+    const double x = parts[0].toDouble(&ok_x);
+    const double y = parts[1].toDouble(&ok_y);
+    const double z = parts[2].toDouble(&ok_z);
+    if (!ok_x || !ok_y || !ok_z) return Eigen::Vector3d::Zero();
+    return Eigen::Vector3d(x, y, z);
+}
+
+QString formatAngleDms(double degrees) {
+    const double absolute = std::fabs(degrees);
+    const int d = static_cast<int>(absolute);
+    const double minutes_total = (absolute - static_cast<double>(d)) * 60.0;
+    const int m = static_cast<int>(minutes_total);
+    const double s = (minutes_total - static_cast<double>(m)) * 60.0;
+    const QString sign = degrees < 0.0 ? "-" : "";
+    return QString("%1%2° %3' %4\"").arg(sign).arg(d).arg(m, 2, 10, QChar('0')).arg(formatNumber(s));
+}
+
+QLabel* makeReadOnlyValue(QWidget* parent) {
+    auto* label = new QLabel(parent);
+    label->setTextInteractionFlags(Qt::TextSelectableByMouse);
+    label->setWordWrap(true);
+    return label;
 }
 
 } // namespace
 
-SettingsDialog::SettingsDialog(Federation* federation, QWidget* parent)
-    : components::Dialog(parent)
-    , federation_(federation)
+SettingsDialog::SettingsDialog(ifcinterface::SessionState* session_state, QWidget* parent)
+    : components::Dialog(parent, true)
+    , session_state_(session_state)
+    , federation_(session_state ? session_state->federation() : nullptr)
+    , loader_(session_state ? session_state->loader() : nullptr)
 {
     setObjectName("appDialog");
     setWindowTitle("Model Settings");
     setModal(true);
-    resize(560, 560);
+    resize(980, 560);
     setStyleSheet(components::style::buildAppStyleSheet());
     setupUi();
 }
 
 void SettingsDialog::showEvent(QShowEvent* event) {
+    federation_ = session_state_ ? session_state_->federation() : federation_;
+    loader_ = session_state_ ? session_state_->loader() : loader_;
     syncFromFederation();
-    populateModelCombo();
-    refreshUnitLabels();
-    if (model_combo_->count() > 0) {
-        syncFromModel(model_combo_->currentData().toString());
-    }
+    populateModelTable();
     QDialog::showEvent(event);
 }
 
@@ -144,8 +164,15 @@ void SettingsDialog::setupUi() {
     auto* federation_layout = new QVBoxLayout(federation_tab);
     federation_layout->setContentsMargins(0, 0, 0, 0);
     federation_layout->setSpacing(components::style::metrics::padding);
+    federation_layout->setAlignment(Qt::AlignTop);
 
-    auto* federation_unit_section = new components::Section("Federation Unit", components::SectionHeaderMode::Visible, federation_tab);
+    auto* federation_unit_section =
+        new components::Section("Federation Unit", components::SectionHeaderMode::Visible, federation_tab);
+    auto* unit_hint = new QLabel(
+        "All measurements, federated false origins, and destination model transforms will be interpreted in this unit.",
+        federation_unit_section);
+    unit_hint->setProperty("textRole", "secondary");
+    unit_hint->setWordWrap(true);
     auto* federation_unit_body = new QWidget(federation_unit_section);
     auto* federation_unit_form = new QFormLayout(federation_unit_body);
     federation_unit_form->setContentsMargins(0, 0, 0, 0);
@@ -158,15 +185,16 @@ void SettingsDialog::setupUi() {
         unit_combo_->addItem(uc.label, data);
     }
     federation_unit_form->addRow("Unit", unit_combo_);
-    auto* unit_hint = new QLabel(
-        "All federated false origin and model transformation values are interpreted in this unit.",
-        federation_unit_body);
-    unit_hint->setProperty("textRole", "secondary");
-    unit_hint->setWordWrap(true);
-    federation_unit_form->addRow(QString(), unit_hint);
+    federation_unit_section->addBodyWidget(unit_hint);
     federation_unit_section->addBodyWidget(federation_unit_body);
 
-    auto* origin_section = new components::Section("Federated False Origin", components::SectionHeaderMode::Visible, federation_tab);
+    auto* origin_section =
+        new components::Section("Federated False Origin", components::SectionHeaderMode::Visible, federation_tab);
+    auto* origin_hint = new QLabel(
+        "Nominate a false origin and project north to use when viewing the federation of models.",
+        origin_section);
+    origin_hint->setProperty("textRole", "secondary");
+    origin_hint->setWordWrap(true);
     auto* origin_body = new QWidget(origin_section);
     auto* origin_form = new QFormLayout(origin_body);
     origin_form->setContentsMargins(0, 0, 0, 0);
@@ -176,14 +204,9 @@ void SettingsDialog::setupUi() {
     xyz_y_ = makeNumericField(origin_body, "Y");
     xyz_z_ = makeNumericField(origin_body, "Z");
     rz_deg_ = makeNumericField(origin_body, "deg");
-    origin_form->addRow("XYZ", makeVector3Row(xyz_x_, xyz_y_, xyz_z_, origin_body));
+    origin_form->addRow("XYZ", makeEqualThirdsRow(origin_body, xyz_x_, xyz_y_, xyz_z_));
     origin_form->addRow("Z rotation (°)", rz_deg_);
-    auto* origin_hint = new QLabel(
-        "Nominate a federation point that becomes the new origin, with optional north rotation.",
-        origin_body);
-    origin_hint->setProperty("textRole", "secondary");
-    origin_hint->setWordWrap(true);
-    origin_form->addRow(QString(), origin_hint);
+    origin_section->addBodyWidget(origin_hint);
     origin_section->addBodyWidget(origin_body);
 
     federation_layout->addWidget(federation_unit_section);
@@ -194,105 +217,120 @@ void SettingsDialog::setupUi() {
     auto* model_layout = new QVBoxLayout(model_tab);
     model_layout->setContentsMargins(0, 0, 0, 0);
     model_layout->setSpacing(components::style::metrics::padding);
+    model_layout->setAlignment(Qt::AlignTop);
 
-    auto* picker_section = new components::Section("", components::SectionHeaderMode::Hidden, model_tab);
-    auto* picker_body = new QWidget(picker_section);
-    auto* picker_form = new QFormLayout(picker_body);
-    picker_form->setContentsMargins(0, 0, 0, 0);
-    picker_form->setHorizontalSpacing(16);
-    picker_form->setVerticalSpacing(10);
-    model_combo_ = new QComboBox(picker_body);
-    picker_form->addRow("Current Model", model_combo_);
-    picker_section->addBodyWidget(picker_body);
+    auto* georef_section =
+        new components::Section("Selected Model Georeferencing", components::SectionHeaderMode::Visible, model_tab);
+    auto* georef_body = new QWidget(georef_section);
+    auto* georef_layout = new QHBoxLayout(georef_body);
+    georef_layout->setContentsMargins(0, 0, 0, 0);
+    georef_layout->setSpacing(16);
+    georef_layout->setAlignment(Qt::AlignTop);
+    georef_present_value_ = makeReadOnlyValue(georef_body);
+    georef_type_value_ = makeReadOnlyValue(georef_body);
+    georef_easting_value_ = makeReadOnlyValue(georef_body);
+    georef_northing_value_ = makeReadOnlyValue(georef_body);
+    georef_height_value_ = makeReadOnlyValue(georef_body);
+    georef_x_axis_abscissa_value_ = makeReadOnlyValue(georef_body);
+    georef_x_axis_ordinate_value_ = makeReadOnlyValue(georef_body);
+    georef_rotation_dd_value_ = makeReadOnlyValue(georef_body);
+    georef_rotation_dms_value_ = makeReadOnlyValue(georef_body);
+    georef_scale_value_ = makeReadOnlyValue(georef_body);
+    georef_factor_x_value_ = makeReadOnlyValue(georef_body);
+    georef_factor_y_value_ = makeReadOnlyValue(georef_body);
+    georef_factor_z_value_ = makeReadOnlyValue(georef_body);
 
-    auto* a_section = new components::Section("Point A", components::SectionHeaderMode::Visible, model_tab);
-    auto* a_body = new QWidget(a_section);
-    auto* a_form = new QFormLayout(a_body);
-    a_form->setContentsMargins(0, 0, 0, 0);
-    a_form->setHorizontalSpacing(16);
-    a_form->setVerticalSpacing(10);
-    radio_local_ = new QRadioButton("ModelLocal", a_body);
-    radio_global_ = new QRadioButton("ModelGlobal", a_body);
-    radio_global_->setChecked(true);
-    auto* a_frame_group = new QButtonGroup(this);
-    a_frame_group->addButton(radio_local_);
-    a_frame_group->addButton(radio_global_);
-    auto* a_frame_row = new QHBoxLayout();
-    a_frame_row->setContentsMargins(0, 0, 0, 0);
-    a_frame_row->setSpacing(components::style::metrics::padding);
-    a_frame_row->addWidget(radio_local_);
-    a_frame_row->addWidget(radio_global_);
-    a_frame_row->addStretch(1);
-    a_form->addRow("Frame", a_frame_row);
-    a_x_ = makeNumericField(a_body, "X");
-    a_y_ = makeNumericField(a_body, "Y");
-    a_z_ = makeNumericField(a_body, "Z");
-    a_form->addRow("XYZ", makeVector3Row(a_x_, a_y_, a_z_, a_body));
-    a_unit_label_ = new QLabel(a_body);
-    a_unit_label_->setProperty("textRole", "secondary");
-    a_form->addRow("Unit", a_unit_label_);
-    a_section->addBodyWidget(a_body);
+    auto* georef_col_1 = new QFormLayout();
+    georef_col_1->setContentsMargins(0, 0, 0, 0);
+    georef_col_1->setHorizontalSpacing(12);
+    georef_col_1->setVerticalSpacing(8);
+    georef_col_1->addRow("Georeferenced", georef_present_value_);
+    georef_col_1->addRow("Coordinate Operation", georef_type_value_);
+    georef_col_1->addRow("Easting", georef_easting_value_);
+    georef_col_1->addRow("Northing", georef_northing_value_);
+    georef_col_1->addRow("OrthogonalHeight", georef_height_value_);
 
-    auto* b_section = new components::Section("Point B", components::SectionHeaderMode::Visible, model_tab);
-    auto* b_body = new QWidget(b_section);
-    auto* b_form = new QFormLayout(b_body);
-    b_form->setContentsMargins(0, 0, 0, 0);
-    b_form->setHorizontalSpacing(16);
-    b_form->setVerticalSpacing(10);
-    b_x_ = makeNumericField(b_body, "X");
-    b_y_ = makeNumericField(b_body, "Y");
-    b_z_ = makeNumericField(b_body, "Z");
-    b_form->addRow("XYZ", makeVector3Row(b_x_, b_y_, b_z_, b_body));
-    b_unit_label_ = new QLabel(b_body);
-    b_unit_label_->setProperty("textRole", "secondary");
-    b_form->addRow("Unit", b_unit_label_);
-    b_section->addBodyWidget(b_body);
+    auto* georef_col_2 = new QFormLayout();
+    georef_col_2->setContentsMargins(0, 0, 0, 0);
+    georef_col_2->setHorizontalSpacing(12);
+    georef_col_2->setVerticalSpacing(8);
+    georef_col_2->addRow("XAxisAbscissa", georef_x_axis_abscissa_value_);
+    georef_col_2->addRow("XAxisOrdinate", georef_x_axis_ordinate_value_);
+    georef_col_2->addRow("Rotation (DD)", georef_rotation_dd_value_);
+    georef_col_2->addRow("Rotation (DMS)", georef_rotation_dms_value_);
 
-    auto* rotation_section = new components::Section("Rotation", components::SectionHeaderMode::Visible, model_tab);
-    auto* rotation_body = new QWidget(rotation_section);
-    auto* rotation_form = new QFormLayout(rotation_body);
-    rotation_form->setContentsMargins(0, 0, 0, 0);
-    rotation_form->setHorizontalSpacing(16);
-    rotation_form->setVerticalSpacing(10);
-    rx_ = makeNumericField(rotation_body, "rx");
-    ry_ = makeNumericField(rotation_body, "ry");
-    rz_ = makeNumericField(rotation_body, "rz");
-    rotation_form->addRow("RXYZ", makeRotationRow(rx_, ry_, rz_, rotation_body));
-    rotation_section->addBodyWidget(rotation_body);
+    auto* georef_col_3 = new QFormLayout();
+    georef_col_3->setContentsMargins(0, 0, 0, 0);
+    georef_col_3->setHorizontalSpacing(12);
+    georef_col_3->setVerticalSpacing(8);
+    georef_col_3->addRow("Scale", georef_scale_value_);
+    georef_col_3->addRow("FactorX", georef_factor_x_value_);
+    georef_col_3->addRow("FactorY", georef_factor_y_value_);
+    georef_col_3->addRow("FactorZ", georef_factor_z_value_);
 
-    auto* pivot_section = new components::Section("Rotation Pivot", components::SectionHeaderMode::Visible, model_tab);
-    auto* pivot_body = new QWidget(pivot_section);
-    auto* pivot_form = new QFormLayout(pivot_body);
-    pivot_form->setContentsMargins(0, 0, 0, 0);
-    pivot_form->setHorizontalSpacing(16);
-    pivot_form->setVerticalSpacing(10);
-    pivot_x_ = makeNumericField(pivot_body, "X");
-    pivot_y_ = makeNumericField(pivot_body, "Y");
-    pivot_z_ = makeNumericField(pivot_body, "Z");
-    pivot_form->addRow("XYZ", makeVector3Row(pivot_x_, pivot_y_, pivot_z_, pivot_body));
-    pivot_unit_label_ = new QLabel(pivot_body);
-    pivot_unit_label_->setProperty("textRole", "secondary");
-    pivot_form->addRow("Unit", pivot_unit_label_);
-    pivot_section->addBodyWidget(pivot_body);
+    auto* georef_col_1_widget = new QWidget(georef_body);
+    georef_col_1_widget->setLayout(georef_col_1);
+    auto* georef_col_2_widget = new QWidget(georef_body);
+    georef_col_2_widget->setLayout(georef_col_2);
+    auto* georef_col_3_widget = new QWidget(georef_body);
+    georef_col_3_widget->setLayout(georef_col_3);
 
-    model_layout->addWidget(picker_section);
-    model_layout->addWidget(a_section);
-    model_layout->addWidget(b_section);
-    model_layout->addWidget(rotation_section);
-    model_layout->addWidget(pivot_section);
-    model_layout->addStretch(1);
+    georef_layout->addWidget(georef_col_1_widget, 1);
+    georef_layout->addWidget(georef_col_2_widget, 1);
+    georef_layout->addWidget(georef_col_3_widget, 1);
+    georef_section->addBodyWidget(georef_body);
+
+    auto* table_section =
+        new components::Section("Model Transformations", components::SectionHeaderMode::Visible, model_tab);
+    auto* table_body = new QWidget(table_section);
+    auto* table_layout = new QVBoxLayout(table_body);
+    table_layout->setContentsMargins(0, 0, 0, 0);
+    table_layout->setSpacing(components::style::metrics::padding);
+
+    model_table_ = new QTableWidget(table_body);
+    model_table_->setObjectName("modelCoordinatesTable");
+    model_table_->setColumnCount(6);
+    model_table_->setHorizontalHeaderLabels(
+        {"Model", "From", "From Point", "To Point", "Rotate", "Pivot Point"});
+    model_table_->verticalHeader()->setVisible(false);
+    model_table_->horizontalHeader()->setStretchLastSection(false);
+    model_table_->horizontalHeader()->setSectionsMovable(false);
+    model_table_->horizontalHeader()->setSectionsClickable(true);
+    model_table_->horizontalHeader()->setSectionResizeMode(QHeaderView::Interactive);
+    model_table_->horizontalHeader()->resizeSection(0, 180);
+    model_table_->horizontalHeader()->resizeSection(1, 150);
+    model_table_->horizontalHeader()->resizeSection(2, 180);
+    model_table_->horizontalHeader()->resizeSection(3, 180);
+    model_table_->horizontalHeader()->resizeSection(4, 180);
+    model_table_->horizontalHeader()->resizeSection(5, 180);
+    model_table_->setSelectionBehavior(QAbstractItemView::SelectRows);
+    model_table_->setSelectionMode(QAbstractItemView::SingleSelection);
+    model_table_->setShowGrid(true);
+    model_table_->setWordWrap(false);
+    model_table_->setEditTriggers(QAbstractItemView::DoubleClicked | QAbstractItemView::EditKeyPressed);
+    model_table_->setAlternatingRowColors(false);
+    model_table_->setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
+
+    auto* table_hint = new QLabel(
+        "This section lets you override model coordinates by specifying an optional translation from a point to "
+        "another desired point, and an optional rotation.",
+        table_section);
+    table_hint->setProperty("textRole", "secondary");
+    table_hint->setWordWrap(true);
+
+    table_layout->addWidget(model_table_, 1);
+    table_section->addBodyWidget(table_hint);
+    table_section->addBodyWidget(table_body);
+    model_layout->addWidget(georef_section);
+    model_layout->addWidget(table_section);
 
     tabs->addTab(federation_tab, "Federation");
     tabs->addTab(model_tab, "Model");
 
-    connect(model_combo_, QOverload<int>::of(&QComboBox::currentIndexChanged), this,
-            [this](int) {
-        if (model_combo_->count() > 0) {
-            syncFromModel(model_combo_->currentData().toString());
-        }
+    connect(model_table_, &QTableWidget::currentCellChanged, this,
+            [this](int /*current_row*/, int /*current_column*/, int /*previous_row*/, int /*previous_column*/) {
+        updateSelectedModelGeoref();
     });
-    connect(radio_local_, &QRadioButton::toggled, this, [this]() { onAFrameToggled(); });
-    connect(radio_global_, &QRadioButton::toggled, this, [this]() { onAFrameToggled(); });
 
     auto* buttons = new QDialogButtonBox(QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this);
     if (auto* ok = buttons->button(QDialogButtonBox::Ok)) {
@@ -306,11 +344,8 @@ void SettingsDialog::setupUi() {
     connect(buttons, &QDialogButtonBox::accepted, this, [this]() { onAccepted(); });
     connect(buttons, &QDialogButtonBox::rejected, this, &QDialog::reject);
 
-    auto* actions_section = new components::Section("", components::SectionHeaderMode::Hidden, this);
-    actions_section->addBodyWidget(buttons);
-
     addBodyWidget(tabs);
-    addBodyWidget(actions_section);
+    addFooterWidget(buttons);
 }
 
 void SettingsDialog::syncFromFederation() {
@@ -336,63 +371,133 @@ void SettingsDialog::syncFromFederation() {
     rz_deg_->setText(formatNumber(origin.rz_deg));
 }
 
-void SettingsDialog::populateModelCombo() {
-    model_combo_->blockSignals(true);
-    QString previous = model_combo_->currentData().toString();
-    model_combo_->clear();
-    if (federation_) {
-        for (const auto& model : federation_->models()) {
-            model_combo_->addItem(model.display_name.isEmpty() ? model.id : model.display_name, model.id);
-        }
-    }
-    int restore = -1;
-    for (int i = 0; i < model_combo_->count(); ++i) {
-        if (model_combo_->itemData(i).toString() == previous) {
-            restore = i;
-            break;
-        }
-    }
-    if (restore >= 0) model_combo_->setCurrentIndex(restore);
-    model_combo_->blockSignals(false);
-}
-
-void SettingsDialog::syncFromModel(const QString& fed_id) {
+void SettingsDialog::populateModelTable() {
+    model_rows_.clear();
+    const QSignalBlocker blocker(model_table_);
+    model_table_->clearContents();
+    model_table_->setRowCount(0);
     if (!federation_) return;
-    const Federation::Model* model = federation_->findById(fed_id);
-    if (!model) return;
 
-    const auto& xf = model->model_transformation;
-    radio_local_->setChecked(xf.a_frame == AFrame::ModelLocal);
-    radio_global_->setChecked(xf.a_frame == AFrame::ModelGlobal);
-    a_x_->setText(formatNumber(xf.a.x()));
-    a_y_->setText(formatNumber(xf.a.y()));
-    a_z_->setText(formatNumber(xf.a.z()));
-    b_x_->setText(formatNumber(xf.b.x()));
-    b_y_->setText(formatNumber(xf.b.y()));
-    b_z_->setText(formatNumber(xf.b.z()));
-    rx_->setText(formatNumber(xf.rxyz_deg.x()));
-    ry_->setText(formatNumber(xf.rxyz_deg.y()));
-    rz_->setText(formatNumber(xf.rxyz_deg.z()));
-    pivot_x_->setText(formatNumber(xf.pivot.x()));
-    pivot_y_->setText(formatNumber(xf.pivot.y()));
-    pivot_z_->setText(formatNumber(xf.pivot.z()));
-}
+    int row = 0;
+    for (const auto& model : federation_->models()) {
+        const auto& xf = model.model_transformation;
+        model_table_->insertRow(row);
 
-void SettingsDialog::refreshUnitLabels() {
-    if (!federation_) return;
-    const QString fed_unit = unitDisplay(federation_->config());
-    b_unit_label_->setText("(federation: " + fed_unit + ")");
-    pivot_unit_label_->setText("(federation: " + fed_unit + ")");
-    onAFrameToggled();
-}
+        auto* model_item = new QTableWidgetItem(model.display_name.isEmpty() ? model.id : model.display_name);
+        model_item->setData(Qt::UserRole, model.id);
+        model_table_->setItem(row, 0, model_item);
 
-void SettingsDialog::onAFrameToggled() {
-    if (!a_unit_label_) return;
-    if (radio_local_->isChecked()) {
-        a_unit_label_->setText("(model project length unit)");
-    } else {
-        a_unit_label_->setText("(model map unit)");
+        ModelRowWidgets widgets;
+        widgets.fed_id = model.id;
+
+        widgets.frame = new QComboBox(model_table_);
+        widgets.frame->addItem("Local", static_cast<int>(AFrame::ModelLocal));
+        widgets.frame->addItem("Global", static_cast<int>(AFrame::ModelGlobal));
+        widgets.frame->setCurrentIndex(xf.a_frame == AFrame::ModelGlobal ? 1 : 0);
+        model_table_->setCellWidget(row, 1, widgets.frame);
+
+        widgets.from_point = new QTableWidgetItem(formatVector3(xf.a));
+        widgets.to_point = new QTableWidgetItem(formatVector3(xf.b));
+        widgets.rotate = new QTableWidgetItem(formatVector3(xf.rxyz_deg));
+        widgets.pivot = new QTableWidgetItem(formatVector3(xf.pivot));
+        model_table_->setItem(row, 2, widgets.from_point);
+        model_table_->setItem(row, 3, widgets.to_point);
+        model_table_->setItem(row, 4, widgets.rotate);
+        model_table_->setItem(row, 5, widgets.pivot);
+
+        model_rows_.push_back(widgets);
+        model_table_->setRowHeight(row, 42);
+        ++row;
     }
+
+    int table_height = model_table_->frameWidth() * 2 + model_table_->horizontalHeader()->height();
+    for (int i = 0; i < model_table_->rowCount(); ++i) {
+        table_height += model_table_->rowHeight(i);
+    }
+    if (model_table_->horizontalScrollBar()->isVisible()) {
+        table_height += model_table_->horizontalScrollBar()->sizeHint().height();
+    }
+    model_table_->setMinimumHeight(table_height);
+    model_table_->setMaximumHeight(table_height);
+
+    if (model_table_->rowCount() > 0) {
+        model_table_->setCurrentCell(0, 0);
+    }
+    updateSelectedModelGeoref();
+}
+
+void SettingsDialog::updateSelectedModelGeoref() {
+    auto set_unknown = [this](const QString& georef, const QString& type) {
+        georef_present_value_->setText(georef);
+        georef_type_value_->setText(type);
+        georef_easting_value_->setText("—");
+        georef_northing_value_->setText("—");
+        georef_height_value_->setText("—");
+        georef_x_axis_abscissa_value_->setText("—");
+        georef_x_axis_ordinate_value_->setText("—");
+        georef_rotation_dd_value_->setText("—");
+        georef_rotation_dms_value_->setText("—");
+        georef_scale_value_->setText("—");
+        georef_factor_x_value_->setText("—");
+        georef_factor_y_value_->setText("—");
+        georef_factor_z_value_->setText("—");
+    };
+
+    const int row = model_table_->currentRow();
+    if (row < 0 || row >= static_cast<int>(model_rows_.size())) {
+        set_unknown("No model selected", "—");
+        return;
+    }
+
+    const QString& fed_id = model_rows_[row].fed_id;
+    if (!session_state_) {
+        set_unknown("Unavailable", "No session state");
+        return;
+    }
+
+    const uint32_t mid = session_state_->modelIdForFedId(fed_id);
+    if (mid == 0 || !loader_) {
+        set_unknown("Not loaded", "No live model");
+        return;
+    }
+
+    const ModelGeoref* georef = loader_->modelGeoref(mid);
+    if (!georef) {
+        set_unknown("Not available yet", "No data source");
+        return;
+    }
+
+    if (!georef->has_coordinate_operation) {
+        set_unknown("No", "None");
+        return;
+    }
+
+    const Eigen::Matrix4d& m = georef->coordinate_operation_meters;
+    const Eigen::Vector3d translation = m.block<3, 1>(0, 3);
+    const Eigen::Vector3d x_axis = m.block<3, 1>(0, 0);
+    const Eigen::Vector3d y_axis = m.block<3, 1>(0, 1);
+    const double factor_x = x_axis.norm();
+    const double factor_y = y_axis.norm();
+    const double factor_z = m.block<3, 1>(0, 2).norm();
+    const double scale = (factor_x + factor_y) * 0.5;
+    const double x_axis_abscissa = factor_x > 0.0 ? x_axis.x() / factor_x : 1.0;
+    const double x_axis_ordinate = factor_x > 0.0 ? x_axis.y() / factor_x : 0.0;
+    constexpr double kRadiansToDegrees = 57.29577951308232;
+    const double rotation_dd = std::atan2(x_axis_ordinate, x_axis_abscissa) * kRadiansToDegrees;
+
+    georef_present_value_->setText("Yes");
+    georef_type_value_->setText("IfcMapConversion");
+    georef_easting_value_->setText(formatNumber(translation.x()));
+    georef_northing_value_->setText(formatNumber(translation.y()));
+    georef_height_value_->setText(formatNumber(translation.z()));
+    georef_x_axis_abscissa_value_->setText(formatNumber(x_axis_abscissa));
+    georef_x_axis_ordinate_value_->setText(formatNumber(x_axis_ordinate));
+    georef_rotation_dd_value_->setText(formatNumber(rotation_dd));
+    georef_rotation_dms_value_->setText(formatAngleDms(rotation_dd));
+    georef_scale_value_->setText(formatNumber(scale));
+    georef_factor_x_value_->setText(formatNumber(factor_x));
+    georef_factor_y_value_->setText(formatNumber(factor_y));
+    georef_factor_z_value_->setText(formatNumber(factor_z));
 }
 
 void SettingsDialog::onAccepted() {
@@ -410,14 +515,14 @@ void SettingsDialog::onAccepted() {
         origin.rz_deg = parseNumber(rz_deg_);
         federation_->setFederatedFalseOrigin(origin);
 
-        if (model_combo_->count() > 0) {
+        for (const auto& row : model_rows_) {
             ModelTransformation xf;
-            xf.a_frame = radio_local_->isChecked() ? AFrame::ModelLocal : AFrame::ModelGlobal;
-            xf.a = Eigen::Vector3d(parseNumber(a_x_), parseNumber(a_y_), parseNumber(a_z_));
-            xf.b = Eigen::Vector3d(parseNumber(b_x_), parseNumber(b_y_), parseNumber(b_z_));
-            xf.rxyz_deg = Eigen::Vector3d(parseNumber(rx_), parseNumber(ry_), parseNumber(rz_));
-            xf.pivot = Eigen::Vector3d(parseNumber(pivot_x_), parseNumber(pivot_y_), parseNumber(pivot_z_));
-            federation_->setModelTransformation(model_combo_->currentData().toString(), xf);
+            xf.a_frame = static_cast<AFrame>(row.frame->currentData().toInt());
+            xf.a = parseVector3(row.from_point->text());
+            xf.b = parseVector3(row.to_point->text());
+            xf.rxyz_deg = parseVector3(row.rotate->text());
+            xf.pivot = parseVector3(row.pivot->text());
+            federation_->setModelTransformation(row.fed_id, xf);
         }
     }
     accept();

src/interface/modules/models/SettingsDialog.h

@@ -24,34 +24,50 @@
 #include "../../components/Dialog.h"
 
 #include <QString>
+#include <vector>
 
 class Federation;
+class SceneLoader;
 class QComboBox;
 class QLabel;
 class QLineEdit;
-class QRadioButton;
 class QShowEvent;
+class QTableWidget;
+class QTableWidgetItem;
+
+namespace ifcinterface {
+class SessionState;
+}
 
 namespace ifcinterface::modules::models {
 
 class SettingsDialog : public components::Dialog {
     Q_OBJECT
 public:
-    explicit SettingsDialog(Federation* federation, QWidget* parent = nullptr);
+    explicit SettingsDialog(ifcinterface::SessionState* session_state, QWidget* parent = nullptr);
 
 protected:
     void showEvent(QShowEvent* event) override;
 
 private:
+    struct ModelRowWidgets {
+        QString fed_id;
+        QComboBox* frame = nullptr;
+        QTableWidgetItem* from_point = nullptr;
+        QTableWidgetItem* to_point = nullptr;
+        QTableWidgetItem* rotate = nullptr;
+        QTableWidgetItem* pivot = nullptr;
+    };
+
     void setupUi();
     void syncFromFederation();
-    void populateModelCombo();
-    void syncFromModel(const QString& fed_id);
-    void refreshUnitLabels();
-    void onAFrameToggled();
+    void populateModelTable();
+    void updateSelectedModelGeoref();
     void onAccepted();
 
+    ifcinterface::SessionState* session_state_ = nullptr;
     Federation* federation_ = nullptr;
+    SceneLoader* loader_ = nullptr;
 
     QComboBox* unit_combo_ = nullptr;
     QLineEdit* xyz_x_ = nullptr;
@@ -59,24 +75,22 @@ private:
     QLineEdit* xyz_z_ = nullptr;
     QLineEdit* rz_deg_ = nullptr;
 
-    QComboBox* model_combo_ = nullptr;
-    QRadioButton* radio_local_ = nullptr;
-    QRadioButton* radio_global_ = nullptr;
-    QLineEdit* a_x_ = nullptr;
-    QLineEdit* a_y_ = nullptr;
-    QLineEdit* a_z_ = nullptr;
-    QLabel* a_unit_label_ = nullptr;
-    QLineEdit* b_x_ = nullptr;
-    QLineEdit* b_y_ = nullptr;
-    QLineEdit* b_z_ = nullptr;
-    QLabel* b_unit_label_ = nullptr;
-    QLineEdit* rx_ = nullptr;
-    QLineEdit* ry_ = nullptr;
-    QLineEdit* rz_ = nullptr;
-    QLineEdit* pivot_x_ = nullptr;
-    QLineEdit* pivot_y_ = nullptr;
-    QLineEdit* pivot_z_ = nullptr;
-    QLabel* pivot_unit_label_ = nullptr;
+    QLabel* georef_present_value_ = nullptr;
+    QLabel* georef_type_value_ = nullptr;
+    QLabel* georef_easting_value_ = nullptr;
+    QLabel* georef_northing_value_ = nullptr;
+    QLabel* georef_height_value_ = nullptr;
+    QLabel* georef_x_axis_abscissa_value_ = nullptr;
+    QLabel* georef_x_axis_ordinate_value_ = nullptr;
+    QLabel* georef_rotation_dd_value_ = nullptr;
+    QLabel* georef_rotation_dms_value_ = nullptr;
+    QLabel* georef_scale_value_ = nullptr;
+    QLabel* georef_factor_x_value_ = nullptr;
+    QLabel* georef_factor_y_value_ = nullptr;
+    QLabel* georef_factor_z_value_ = nullptr;
+
+    QTableWidget* model_table_ = nullptr;
+    std::vector<ModelRowWidgets> model_rows_;
 };
 
 } // namespace ifcinterface::modules::models

src/interface/modules/settings/Dialog.cpp

@@ -28,6 +28,7 @@
 #include "../../components/Tabs.h"
 
 #include <QCheckBox>
+#include <QComboBox>
 #include <QDialogButtonBox>
 #include <QDoubleSpinBox>
 #include <QFrame>
@@ -110,18 +111,85 @@ void SettingsDialog::setupUi() {
     angular_tolerance_spin_->setSingleStep(0.05);
     loading_form->addRow("Angular Tolerance", angular_tolerance_spin_);
 
-    auto* description = new QLabel(
-        "These settings are shared with the viewer backend and persist via QSettings.",
-        loading_body);
-    description->setProperty("textRole", "secondary");
-    description->setWordWrap(true);
-    loading_form->addRow(QString(), description);
+    min_pixel_radius_spin_ = new QDoubleSpinBox(loading_body);
+    min_pixel_radius_spin_->setRange(0.0, 100.0);
+    min_pixel_radius_spin_->setDecimals(2);
+    min_pixel_radius_spin_->setSingleStep(0.5);
+    min_pixel_radius_spin_->setToolTip(
+        "Minimum projected sphere radius (in pixels) for an instance to "
+        "be drawn. Bigger = faster but more pop-in on small detail.");
+    loading_form->addRow("Min Pixel Radius", min_pixel_radius_spin_);
+
+    motion_min_pixel_radius_spin_ = new QDoubleSpinBox(loading_body);
+    motion_min_pixel_radius_spin_->setRange(0.0, 100.0);
+    motion_min_pixel_radius_spin_->setDecimals(2);
+    motion_min_pixel_radius_spin_->setSingleStep(1.0);
+    motion_min_pixel_radius_spin_->setToolTip(
+        "Aggressive cull threshold while the camera is moving. 0 = no "
+        "motion boost (motion uses the same threshold as still frames).");
+    loading_form->addRow("Motion Min Pixel Radius", motion_min_pixel_radius_spin_);
+
+    lod1_pixel_threshold_spin_ = new QDoubleSpinBox(loading_body);
+    lod1_pixel_threshold_spin_->setRange(0.0, 1000.0);
+    lod1_pixel_threshold_spin_->setDecimals(1);
+    lod1_pixel_threshold_spin_->setSingleStep(1.0);
+    lod1_pixel_threshold_spin_->setToolTip(
+        "Pixel radius below which an instance switches to its LOD1 "
+        "representation. 0 disables LOD1 entirely.");
+    loading_form->addRow("LOD1 Pixel Threshold", lod1_pixel_threshold_spin_);
+
+    hiz_enabled_check_ = new QCheckBox(loading_body);
+    hiz_enabled_check_->setToolTip(
+        "Enable HiZ (hierarchical Z) occlusion culling. Hides geometry "
+        "behind opaque blockers based on a downsampled depth pyramid.");
+    loading_form->addRow("HiZ Occlusion", hiz_enabled_check_);
+
+    hiz_resolution_spin_ = new QSpinBox(loading_body);
+    hiz_resolution_spin_->setRange(64, 4096);
+    hiz_resolution_spin_->setSingleStep(64);
+    hiz_resolution_spin_->setToolTip(
+        "Base HiZ pyramid width in texels (height tracks aspect). "
+        "Changes take effect on next viewport reinitialization.");
+    loading_form->addRow("HiZ Resolution", hiz_resolution_spin_);
 
     loading_section->addBodyWidget(loading_body);
     graphics_layout->addWidget(general_section);
     graphics_layout->addWidget(loading_section);
     graphics_layout->addStretch(1);
 
+    // Navigation tab: orbit / pan presets.  Selection always stays on
+    // LMB so click + box-select keep working regardless of preset.
+    auto* navigation_tab = new QWidget(tabs);
+    {
+        auto* layout = new QVBoxLayout(navigation_tab);
+        layout->setContentsMargins(0, 0, 0, 0);
+        layout->setSpacing(components::style::metrics::padding);
+
+        auto* section = new components::Section(
+            "Navigation", components::SectionHeaderMode::Visible, navigation_tab);
+        auto* body = new QWidget(section);
+        auto* form = new QFormLayout(body);
+        form->setContentsMargins(0, 0, 0, 0);
+        form->setHorizontalSpacing(16);
+        form->setVerticalSpacing(10);
+
+        nav_preset_combo_ = new QComboBox(body);
+        // Order must match AppSettings::NavPreset enum ordering — index
+        // is what we read back via currentIndex / setCurrentIndex.
+        nav_preset_combo_->addItem("Blender (Orbit MMB, Pan Shift+MMB)");
+        nav_preset_combo_->addItem("Rhino (Orbit RMB, Pan Shift+RMB)");
+        nav_preset_combo_->addItem("Revit (Orbit Shift+MMB, Pan MMB)");
+        nav_preset_combo_->setToolTip(
+            "Mouse-button mapping for orbit and pan.  Selection stays on "
+            "left mouse button for every preset, so click + box-select "
+            "always work.");
+        form->addRow("Preset", nav_preset_combo_);
+
+        section->addBodyWidget(body);
+        layout->addWidget(section);
+        layout->addStretch(1);
+    }
+
     auto make_placeholder_tab = [tabs](const QString& title, const QString& detail) {
         auto* tab = new QWidget(tabs);
         auto* layout = new QVBoxLayout(tab);
@@ -147,8 +215,7 @@ void SettingsDialog::setupUi() {
         return tab;
     };
 
-    tabs->addTab(make_placeholder_tab("Navigation", "Navigation preferences and interaction modes will live here."),
-                 "Navigation");
+    tabs->addTab(navigation_tab, "Navigation");
     tabs->addTab(make_placeholder_tab("Keybindings", "Shortcut presets and command bindings will live here."),
                  "Keybindings");
     tabs->addTab(graphics_tab, "Graphics");
@@ -169,11 +236,8 @@ void SettingsDialog::setupUi() {
     connect(buttons, &QDialogButtonBox::accepted, this, &SettingsDialog::onAccepted);
     connect(buttons, &QDialogButtonBox::rejected, this, &QDialog::reject);
 
-    auto* actions_section = new components::Section("", components::SectionHeaderMode::Hidden, this);
-    actions_section->addBodyWidget(buttons);
-
     addBodyWidget(tabs);
-    addBodyWidget(actions_section);
+    addFooterWidget(buttons);
 }
 
 void SettingsDialog::syncFromSettings() {
@@ -183,6 +247,12 @@ void SettingsDialog::syncFromSettings() {
     void_limit_spin_->setValue(AppSettings::instance().voidLimit());
     deflection_tolerance_spin_->setValue(AppSettings::instance().deflectionTolerance());
     angular_tolerance_spin_->setValue(AppSettings::instance().angularTolerance());
+    min_pixel_radius_spin_->setValue(AppSettings::instance().minPixelRadius());
+    motion_min_pixel_radius_spin_->setValue(AppSettings::instance().motionMinPixelRadius());
+    lod1_pixel_threshold_spin_->setValue(AppSettings::instance().lod1PixelThreshold());
+    hiz_enabled_check_->setChecked(AppSettings::instance().hizEnabled());
+    hiz_resolution_spin_->setValue(AppSettings::instance().hizResolution());
+    nav_preset_combo_->setCurrentIndex(static_cast<int>(AppSettings::instance().navPreset()));
 }
 
 void SettingsDialog::onAccepted() {
@@ -192,6 +262,13 @@ void SettingsDialog::onAccepted() {
     AppSettings::instance().setVoidLimit(void_limit_spin_->value());
     AppSettings::instance().setDeflectionTolerance(deflection_tolerance_spin_->value());
     AppSettings::instance().setAngularTolerance(angular_tolerance_spin_->value());
+    AppSettings::instance().setMinPixelRadius(min_pixel_radius_spin_->value());
+    AppSettings::instance().setMotionMinPixelRadius(motion_min_pixel_radius_spin_->value());
+    AppSettings::instance().setLod1PixelThreshold(lod1_pixel_threshold_spin_->value());
+    AppSettings::instance().setHizEnabled(hiz_enabled_check_->isChecked());
+    AppSettings::instance().setHizResolution(hiz_resolution_spin_->value());
+    AppSettings::instance().setNavPreset(
+        static_cast<AppSettings::NavPreset>(nav_preset_combo_->currentIndex()));
     accept();
 }
 

src/interface/modules/settings/Dialog.h

@@ -24,6 +24,7 @@
 #include "../../components/Dialog.h"
 
 class QCheckBox;
+class QComboBox;
 class QDoubleSpinBox;
 class QLineEdit;
 class QShowEvent;
@@ -50,6 +51,12 @@ private:
     QSpinBox* void_limit_spin_ = nullptr;
     QDoubleSpinBox* deflection_tolerance_spin_ = nullptr;
     QDoubleSpinBox* angular_tolerance_spin_ = nullptr;
+    QDoubleSpinBox* min_pixel_radius_spin_ = nullptr;
+    QDoubleSpinBox* motion_min_pixel_radius_spin_ = nullptr;
+    QDoubleSpinBox* lod1_pixel_threshold_spin_ = nullptr;
+    QCheckBox* hiz_enabled_check_ = nullptr;
+    QSpinBox* hiz_resolution_spin_ = nullptr;
+    QComboBox* nav_preset_combo_ = nullptr;
 };
 
 } // namespace ifcinterface::modules::settings