diff --git a/src/ifcviewer-full/FederationSettingsDialog.cpp b/src/ifcviewer-full/FederationSettingsDialog.cpp
new file mode 100644
index 0000000000..aa55eddeba
--- /dev/null
+++ b/src/ifcviewer-full/FederationSettingsDialog.cpp
@@ -0,0 +1,174 @@
+/********************************************************************************
+ * *
+ * This file is part of IfcOpenShell. *
+ * *
+ * IfcOpenShell is free software: you can redistribute it and/or modify *
+ * it under the terms of the Lesser GNU General Public License as published by *
+ * the Free Software Foundation, either version 3.0 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * IfcOpenShell is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * Lesser GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the Lesser GNU General Public License *
+ * along with this program. If not, see . *
+ * *
+ ********************************************************************************/
+
+#include "FederationSettingsDialog.h"
+#include "Federation.h"
+
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+#include
+
+namespace {
+
+// Common length units users will pick. itemData() carries
+// (prefix, name) — empty prefix for non-prefixed or conversion-based units.
+struct UnitChoice {
+ const char* label;
+ const char* prefix;
+ const char* name;
+};
+const UnitChoice kUnitChoices[] = {
+ { "Metres (m)", "", "METRE" },
+ { "Millimetres (mm)", "MILLI", "METRE" },
+ { "Centimetres (cm)", "CENTI", "METRE" },
+ { "Kilometres (km)", "KILO", "METRE" },
+ { "Feet (ft)", "", "foot" },
+ { "Inches (in)", "", "inch" },
+ { "Yards (yd)", "", "yard" },
+ { "Miles (mi)", "", "mile" },
+};
+
+} // namespace
+
+FederationSettingsDialog::FederationSettingsDialog(Federation* federation,
+ QWidget* parent)
+ : QDialog(parent), federation_(federation)
+{
+ setWindowTitle("Federation Settings");
+ setupUi();
+}
+
+void FederationSettingsDialog::setupUi() {
+ auto* root = new QVBoxLayout(this);
+
+ // Unit
+ {
+ auto* group = new QGroupBox("Federation Unit", this);
+ auto* form = new QFormLayout(group);
+ unit_combo_ = new QComboBox(group);
+ for (const auto& uc : kUnitChoices) {
+ QStringList data;
+ data << QString::fromUtf8(uc.prefix) << QString::fromUtf8(uc.name);
+ unit_combo_->addItem(uc.label, data);
+ }
+ unit_combo_->setToolTip(
+ "All Federated False Origin and Model Transformation numbers "
+ "are interpreted in this unit. Changing it after data has been "
+ "entered re-interprets the numbers — same physical location "
+ "expressed in the new unit.");
+ form->addRow("Unit", unit_combo_);
+ root->addWidget(group);
+ }
+
+ // Federated False Origin
+ {
+ auto* group = new QGroupBox("Federated False Origin", this);
+ group->setToolTip(
+ "Nominate a point in the federation that becomes the new (0,0,0). "
+ "Optional Z-rotation aligns north for the federation.");
+ auto* form = new QFormLayout(group);
+
+ auto build_xyz = [this](QDoubleSpinBox*& sb) {
+ sb = new QDoubleSpinBox();
+ sb->setRange(-1e12, 1e12);
+ sb->setDecimals(6);
+ sb->setSingleStep(1.0);
+ };
+ build_xyz(xyz_x_);
+ build_xyz(xyz_y_);
+ build_xyz(xyz_z_);
+ form->addRow("X", xyz_x_);
+ form->addRow("Y", xyz_y_);
+ form->addRow("Z", xyz_z_);
+
+ rz_deg_ = new QDoubleSpinBox();
+ rz_deg_->setRange(-360.0, 360.0);
+ rz_deg_->setDecimals(6);
+ rz_deg_->setSingleStep(1.0);
+ form->addRow("Z rotation (°)", rz_deg_);
+ root->addWidget(group);
+ }
+
+ auto* button_box = new QDialogButtonBox(
+ QDialogButtonBox::Ok | QDialogButtonBox::Cancel, this);
+ root->addWidget(button_box);
+ connect(button_box, &QDialogButtonBox::accepted, this,
+ &FederationSettingsDialog::onAccepted);
+ connect(button_box, &QDialogButtonBox::rejected, this, &QDialog::reject);
+}
+
+void FederationSettingsDialog::showEvent(QShowEvent* event) {
+ syncFromFederation();
+ QDialog::showEvent(event);
+}
+
+void FederationSettingsDialog::syncFromFederation() {
+ if (!federation_) return;
+
+ const auto& cfg = federation_->config();
+ int idx = -1;
+ for (int i = 0; i < unit_combo_->count(); ++i) {
+ const QStringList data = unit_combo_->itemData(i).toStringList();
+ if (data.size() == 2 &&
+ data[0].toStdString() == cfg.unit_prefix &&
+ data[1].toStdString() == cfg.unit_name) {
+ idx = i;
+ break;
+ }
+ }
+ if (idx >= 0) {
+ unit_combo_->setCurrentIndex(idx);
+ } else {
+ // Federation has a unit that isn't in the common list — fall back to
+ // the first entry. Saving keeps whatever the user picks; the
+ // original federation unit is preserved unless they hit Ok.
+ unit_combo_->setCurrentIndex(0);
+ }
+
+ const auto& origin = federation_->federatedFalseOrigin();
+ xyz_x_->setValue(origin.xyz.x());
+ xyz_y_->setValue(origin.xyz.y());
+ xyz_z_->setValue(origin.xyz.z());
+ rz_deg_->setValue(origin.rz_deg);
+}
+
+void FederationSettingsDialog::onAccepted() {
+ if (!federation_) { accept(); return; }
+
+ const QStringList data = unit_combo_->currentData().toStringList();
+ FederationConfig cfg;
+ if (data.size() == 2) {
+ cfg.unit_prefix = data[0].toStdString();
+ cfg.unit_name = data[1].toStdString();
+ }
+ federation_->setConfig(cfg);
+
+ FederatedFalseOrigin origin;
+ origin.xyz = Eigen::Vector3d(xyz_x_->value(), xyz_y_->value(), xyz_z_->value());
+ origin.rz_deg = rz_deg_->value();
+ federation_->setFederatedFalseOrigin(origin);
+
+ accept();
+}
diff --git a/src/ifcviewer-full/FederationSettingsDialog.h b/src/ifcviewer-full/FederationSettingsDialog.h
new file mode 100644
index 0000000000..04cf8ebe3b
--- /dev/null
+++ b/src/ifcviewer-full/FederationSettingsDialog.h
@@ -0,0 +1,61 @@
+/********************************************************************************
+ * *
+ * This file is part of IfcOpenShell. *
+ * *
+ * IfcOpenShell is free software: you can redistribute it and/or modify *
+ * it under the terms of the Lesser GNU General Public License as published by *
+ * the Free Software Foundation, either version 3.0 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * IfcOpenShell is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * Lesser GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the Lesser GNU General Public License *
+ * along with this program. If not, see . *
+ * *
+ ********************************************************************************/
+
+#ifndef FEDERATIONSETTINGSDIALOG_H
+#define FEDERATIONSETTINGSDIALOG_H
+
+#include
+
+QT_BEGIN_NAMESPACE
+class QComboBox;
+class QDoubleSpinBox;
+QT_END_NAMESPACE
+
+class Federation;
+
+// Edits federation-wide state: the display unit (used to interpret all
+// FederatedFalseOrigin / ModelTransformation numeric inputs) and the
+// FederatedFalseOrigin (XYZ + Z-axis rotation in that unit). On Ok,
+// calls Federation::setConfig + setFederatedFalseOrigin, which fire the
+// granular Federation signals and trigger the viewport to recompose.
+class FederationSettingsDialog : public QDialog {
+ Q_OBJECT
+public:
+ explicit FederationSettingsDialog(Federation* federation, QWidget* parent = nullptr);
+
+protected:
+ void showEvent(QShowEvent* event) override;
+
+private:
+ void setupUi();
+ void syncFromFederation();
+ void onAccepted();
+
+ Federation* federation_ = nullptr;
+
+ // The combobox encodes (prefix, name) pairs in user data; common length
+ // units are listed. itemData(idx) returns a QStringList { prefix, name }.
+ QComboBox* unit_combo_ = nullptr;
+ QDoubleSpinBox* xyz_x_ = nullptr;
+ QDoubleSpinBox* xyz_y_ = nullptr;
+ QDoubleSpinBox* xyz_z_ = nullptr;
+ QDoubleSpinBox* rz_deg_ = nullptr;
+};
+
+#endif
diff --git a/src/ifcviewer-full/MainWindow.cpp b/src/ifcviewer-full/MainWindow.cpp
index a07ad82db8..0fd00530b1 100644
--- a/src/ifcviewer-full/MainWindow.cpp
+++ b/src/ifcviewer-full/MainWindow.cpp
@@ -20,6 +20,7 @@
#include "MainWindow.h"
#include "AppSettings.h"
#include "Federation.h"
+#include "FederationSettingsDialog.h"
#include "SettingsWindow.h"
#include "LodBuilder.h"
#include "SidecarCache.h"
@@ -189,6 +190,8 @@ void MainWindow::setupMenus() {
file_menu->addAction("Save Federation &As...",
this, &MainWindow::onFederationSaveAs,
QKeySequence::SaveAs);
+ file_menu->addAction("Federation Se&ttings...",
+ this, &MainWindow::onFederationSettings);
file_menu->addSeparator();
file_menu->addAction("&Settings...", this, &MainWindow::onFileSettings);
file_menu->addSeparator();
@@ -228,6 +231,15 @@ void MainWindow::onFileSettings() {
settings_->raise();
}
+void MainWindow::onFederationSettings() {
+ if (federation_settings_ == nullptr) {
+ federation_settings_ = new FederationSettingsDialog(federation_, this);
+ }
+ federation_settings_->open();
+ federation_settings_->activateWindow();
+ federation_settings_->raise();
+}
+
void MainWindow::addFiles(const QStringList& paths) {
QStringList accepted_paths;
QStringList accepted_fed_ids;
diff --git a/src/ifcviewer-full/MainWindow.h b/src/ifcviewer-full/MainWindow.h
index 86bfc3c00c..20a514c073 100644
--- a/src/ifcviewer-full/MainWindow.h
+++ b/src/ifcviewer-full/MainWindow.h
@@ -36,6 +36,7 @@
class Federation;
class SettingsWindow;
+class FederationSettingsDialog;
class MainWindow : public QMainWindow {
Q_OBJECT
@@ -61,6 +62,7 @@ private slots:
void onSetHomeView();
void onGoHomeView();
void onFileSettings();
+ void onFederationSettings();
void onObjectPicked(uint32_t object_id);
void onTreeSelectionChanged();
@@ -119,6 +121,7 @@ private:
SceneLoader* loader_ = nullptr;
Federation* federation_ = nullptr;
SettingsWindow* settings_ = nullptr;
+ FederationSettingsDialog* federation_settings_ = nullptr;
QWidget* viewport_container_ = nullptr;
QTreeWidget* element_tree_ = nullptr;
QTableWidget* property_table_ = nullptr;