Extend Feature API Sample

import adsk.core, adsk.fusion, traceback

def run(context):
    ui = None
    try:
        app = adsk.core.Application.get()
        ui  = app.userInterface

        # Create a document
        doc = app.documents.add(adsk.core.DocumentTypes.FusionDesignDocumentType)
        
        design = app.activeProduct

        # Get the root component of the active design.
        rootComp = design.rootComponent
        
        # Create sketch line on the xz plane.
        sketches = rootComp.sketches
        sketch = sketches.add(rootComp.xZConstructionPlane)
        sketchLines = sketch.sketchCurves.sketchLines
        startPoint = adsk.core.Point3D.create(0, 0, 0)
        endPoint = adsk.core.Point3D.create(1, 0, 0)
        sketchLine = sketchLines.addByTwoPoints(startPoint, endPoint)
        
        # Create a surface with ExtrudeFeature.
        features = rootComp.features
        extrudeFeatures = features.extrudeFeatures
        openProfile = rootComp.createOpenProfile(sketchLine)
        extrudeFeatureInput = extrudeFeatures.createInput(openProfile, adsk.fusion.FeatureOperations.NewBodyFeatureOperation)
        extrudeFeatureInput.isSolid = False
        extrudeFeatureInput.setDistanceExtent(False, adsk.core.ValueInput.createByReal(1.0))
        
        # Get the surface body.
        extrudeFeature = extrudeFeatures.add(extrudeFeatureInput)
        surface = extrudeFeature.bodies.item(0)
        
        # Get an edge from surface, and add it to object collection.
        edges = surface.edges
        edge = edges.item(0)
        inputEdges = adsk.core.ObjectCollection.create()
        inputEdges.add(edge)
        
        # Define a distance to extend with 1 cm.
        distance = adsk.core.ValueInput.createByReal(1.0)
        
        # Create an extend input to be able to define the input needed for an extend.
        extendFeatures = features.extendFeatures
        extendFeatureInput = extendFeatures.createInput(inputEdges, distance, adsk.fusion.SurfaceExtendTypes.NaturalSurfaceExtendType)
        extendFeatureInput.extendAlignment = adsk.fusion.SurfaceExtendAlignment.FreeEdges
        
        # Create an extend feature.
        extendFeature = extendFeatures.add(extendFeatureInput)
    except:
        if ui:
            ui.messageBox('Failed:\n{}'.format(traceback.format_exc()))

#include <Core/Application/Application.h>
#include <Core/Application/Documents.h>
#include <Core/Application/Document.h>
#include <Core/Application/Product.h>
#include <Core/Application/ObjectCollection.h>
#include <Core/Application/ValueInput.h>
#include <Core/Geometry/Point3D.h>
#include <Fusion/Fusion/Design.h>
#include <Fusion/Components/Component.h>
#include <Fusion/Construction/ConstructionPlane.h>
#include <Fusion/BRep/BRepBodies.h>
#include <Fusion/BRep/BRepBody.h>
#include <Fusion/BRep/BRepEdges.h>
#include <Fusion/BRep/BRepEdge.h>
#include <Fusion/Features/Features.h>
#include <Fusion/Features/ExtrudeFeature.h>
#include <Fusion/Features/ExtrudeFeatures.h>
#include <Fusion/Features/ExtrudeFeatureInput.h>
#include <Fusion/Features/ExtendFeatures.h>
#include <Fusion/Features/ExtendFeatureInput.h>
#include <Fusion/Features/ExtendFeature.h>
#include <Fusion/Sketch/Sketch.h>
#include <Fusion/Sketch/Sketches.h>
#include <Fusion/Sketch/SketchCurves.h>
#include <Fusion/Sketch/SketchLines.h>
#include <Fusion/Sketch/SketchLine.h>
#include <Fusion/Sketch/Profile.h>
#include <Fusion/Sketch/Profiles.h>

using namespace adsk::core;
using namespace adsk::fusion;

Ptr<UserInterface> ui;

extern "C" XI_EXPORT bool run(const char* context)
{
    Ptr<Application> app = Application::get();
    if (!app)
        return false;

    ui = app->userInterface();
    if (!ui)
        return false;

    Ptr<Documents> documents = app->documents();
    if (!documents)
        return false;

    Ptr<Document> doc = documents->add(DocumentTypes::FusionDesignDocumentType);
    if (!doc)
        return false;

    Ptr<Product> product = app->activeProduct();
    if (!product)
        return false;

    Ptr<Design> design = product;
    if (!design)
        return false;

    // Get the root component of the active design.
    Ptr<Component> rootComp = design->rootComponent();
    if (!rootComp)
        return false;

    // Create sketch circle on the xz plane.
    Ptr<Sketches> sketches = rootComp->sketches();
    if (!sketches)
        return false;
    Ptr<Sketch> sketch = sketches->add(rootComp->xZConstructionPlane());
    if (!sketch)
        return false;
    Ptr<SketchCurves> sketchCurves = sketch->sketchCurves();
    if (!sketchCurves)
        return false;
    Ptr<SketchLines> sketchLines = sketchCurves->sketchLines();
    if (!sketchLines)
        return false;
    Ptr<Point3D> startPoint = Point3D::create(0, 0, 0);
    Ptr<Point3D> endPoint = Point3D::create(1.0, 0, 0);
    Ptr<SketchLine> sketchLine = sketchLines->addByTwoPoints(startPoint, endPoint);

    // Create a open profile.
    Ptr<Profile> openProfile = rootComp->createOpenProfile(sketchLine);

    // Create an extrusion input.
    Ptr<Features> features = rootComp->features();
    if (!features)
        return false;
    Ptr<ExtrudeFeatures> extrudes = features->extrudeFeatures();
    if (!extrudes)
        return false;
    Ptr<ExtrudeFeatureInput> extrudeInput =
        extrudes->createInput(openProfile, FeatureOperations::NewBodyFeatureOperation);
    if (!extrudeInput)
        return false;
    extrudeInput->isSolid(false);

    // Define the extent.
    Ptr<ValueInput> distance = ValueInput::createByReal(1.0);
    extrudeInput->setDistanceExtent(false, distance);

    // Create the extrusion.
    Ptr<ExtrudeFeature> extrude = extrudes->add(extrudeInput);
    if (!extrude)
        return false;
    Ptr<BRepBodies> bodies = extrude->bodies();
    if (!bodies)
        return false;
    Ptr<BRepBody> body = bodies->item(0);

    // Get an edge from surface, and add it to object collection.
    Ptr<BRepEdges> edges = body->edges();
    if (!edges)
        return false;
    Ptr<BRepEdge> edge = edges->item(0);
    Ptr<ObjectCollection> inputEdges = ObjectCollection::create();
    if (!inputEdges)
        return inputEdges;
    inputEdges->add(edge);

    // Define a distance to extend with 1 cm.
    distance = ValueInput::createByReal(1.0);

    // Create an extend input to be able to define the input needed for an extend.
    Ptr<ExtendFeatures> extends = features->extendFeatures();
    if (!extends)
        return false;
    Ptr<ExtendFeatureInput> extendInput =
        extends->createInput(inputEdges, distance, SurfaceExtendTypes::NaturalSurfaceExtendType);
    extendInput->extendAlignment(SurfaceExtendAlignment::FreeEdges);

    // Create an extend feature.
    extends->add(extendInput);


    return true;
}

#ifdef XI_WIN

#include <windows.h>

BOOL APIENTRY DllMain(HMODULE hmodule, DWORD reason, LPVOID reserved)
{
    switch (reason)
    {
    case DLL_PROCESS_ATTACH:
    case DLL_THREAD_ATTACH:
    case DLL_THREAD_DETACH:
    case DLL_PROCESS_DETACH:
        break;
    }
    return TRUE;
}

#endif // XI_WIN