Function main

src/examples/IfcAlignment.cpp:206–494

}

int main() {
    IfcHierarchyHelper<Schema> file;

    auto project = setup_project(file);

    auto geometric_representation_context = file.getRepresentationContext(std::string("Model")); // creates the representation context if it doesn't already exist

    auto axis_model_representation_subcontext = new Schema::IfcGeometricRepresentationSubContext(std::string("Axis"), std::string("Model"), geometric_representation_context, boost::none, Schema::IfcGeometricProjectionEnum::IfcGeometricProjection_MODEL_VIEW, boost::none);
    file.addEntity(axis_model_representation_subcontext);

    auto global_placement = file.addLocalPlacement();

    //
    // Define horizontal alignment
    //

    // define key points
    // B.1.4 pg 212
    auto pob = file.addDoublet<Schema::IfcCartesianPoint>(500, 2500);                // beginning
    auto pc1 = file.addDoublet<Schema::IfcCartesianPoint>(2142.237995, 1436.014820); // Point of curve (PC),   Curve #1
    auto pt1 = file.addDoublet<Schema::IfcCartesianPoint>(3660.446123, 2050.736173); // Point of tangent (PT), Curve #1
    auto pc2 = file.addDoublet<Schema::IfcCartesianPoint>(4084.115884, 3889.462938); // Point of curve (PC),   Curve #2
    auto pt2 = file.addDoublet<Schema::IfcCartesianPoint>(5469.395067, 4847.566310); // Point of tangent (PT), Curve #2
    auto pc3 = file.addDoublet<Schema::IfcCartesianPoint>(7019.971367, 4638.286073); // Point of curve (PC),   Curve #3
    auto pt3 = file.addDoublet<Schema::IfcCartesianPoint>(7790.932128, 4006.730765); // Point of tangent (PT), Curve #3
    auto poe = file.addDoublet<Schema::IfcCartesianPoint>(8480, 2010);               // ending

    // define tangent runs and curve lengths
    double run_1 = 1956.785654;
    double lc_1 = 1919.222667;
    double run_2 = 1886.905454;
    double lc_2 = 1848.115835;
    double run_3 = 1564.635765;
    double lc_3 = 1049.119737;
    double run_4 = 2112.285084;

    // define curve radii
    double rc_1 = 1000;
    double rc_2 = -1250; // negative radius for curves to the right
    double rc_3 = -950;

    // bearing of tangents
    double angle_1 = to_radian(327.0613);
    double angle_2 = to_radian(77.0247);
    double angle_3 = to_radian(352.3133);
    double angle_4 = to_radian(289.0395);

    // create containers to store the curve segments
    typename aggregate_of<typename Schema::IfcSegment>::ptr horizontal_curve_segments(new aggregate_of<typename Schema::IfcSegment>());             // geometry
    typename aggregate_of<typename Schema::IfcObjectDefinition>::ptr horizontal_segments(new aggregate_of<typename Schema::IfcObjectDefinition>()); // business logic

    //
    // Build the horizontal alignment segments
    //

    // POB to PC1
    auto curve_segment_1 = create_tangent(pob, angle_1, run_1);
    horizontal_curve_segments->push(curve_segment_1.first);