Esempio n. 1
0
        /// <summary>
        /// Отрисовка второй ступени (тонкой)
        /// </summary>
        private void BuildSecondStage(RocketBuildStyle style)
        {
            WorkAxis xAxis = _inventorApi.PartDefinition.WorkAxes[1];
            WorkAxis yAxis = _inventorApi.PartDefinition.WorkAxes[2];
            WorkAxis zAxis = _inventorApi.PartDefinition.WorkAxes[3];

            var secondStageLenght   = RocketParameters.GetParameter(ParameterType.SecondStageLength).Value;
            var secondStageDiameter = RocketParameters.GetParameter(ParameterType.SecondStageDiameter).Value;
            var coneLenght          = RocketParameters.GetParameter(ParameterType.ConeLength).Value;
            var secondStagePoint1   = _inventorApi.TransientGeometry.CreatePoint2d(0, 0);
            var secondStagePoint2   = _inventorApi.TransientGeometry.
                                      CreatePoint2d(secondStageDiameter, coneLenght + secondStageLenght);
            var secondStagePoint3 = _inventorApi.TransientGeometry.
                                    CreatePoint2d(secondStageDiameter, coneLenght);

            var xySketch = _inventorApi.MakeNewSketch(3, coneLenght);

            xySketch.SketchCircles.AddByCenterRadius(secondStagePoint1, secondStageDiameter);
            var xySketchProfile = xySketch.Profiles.AddForSolid();

            var extrudeDef = _inventorApi.PartDefinition.Features.ExtrudeFeatures.CreateExtrudeDefinition(
                xySketchProfile, PartFeatureOperationEnum.kJoinOperation);

            // Отрисовка при помощи выдавливания круга (тест)
            extrudeDef.SetDistanceExtent(secondStageLenght, PartFeatureExtentDirectionEnum.kPositiveExtentDirection);
            var extrude = _inventorApi.PartDefinition.Features.ExtrudeFeatures.Add(extrudeDef);

            if (style == RocketBuildStyle.Color)
            {
                _inventorApi.SetColor(extrude.Faces, "Nickel");
            }
        }
Esempio n. 2
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        private MateiMateDefinition findAxis(PartComponentDefinition def, Edge ed)
        {
            if (ed.TangentiallyConnectedEdges.Count == 1)
            {
                Face f = (ed.Faces[1].SurfaceType == SurfaceTypeEnum.kCylinderSurface) ? ed.Faces[1] : ed.Faces[2];
                return(def.iMateDefinitions.AddMateiMateDefinition(f, 0, InferredTypeEnum.kInferredLine));
            }
            SelectionFilterEnum[] sels = new SelectionFilterEnum[] { SelectionFilterEnum.kWorkAxisFilter };
            Arc3d             c        = ed.Geometry as Arc3d;
            ObjectsEnumerator col      = def.FindUsingPoint(ed.PointOnEdge, ref sels, c.Radius * 5, false);
            WorkAxis          ax       = null;

            foreach (var item in col.OfType <WorkAxis>())
            {
                ax = item;
                //Face f = (ed.Faces[1].SurfaceType == SurfaceTypeEnum.kCylinderSurface) ? ed.Faces[1]: ed.Faces[2];
                if (ax.DefinitionType == WorkAxisDefinitionEnum.kNormalToSurfaceWorkAxis)
                {
                    return(def.iMateDefinitions.AddMateiMateDefinition(ax, 0, InferredTypeEnum.kInferredLine));
                }
                ax = null;
            }
            if (ax == null)
            {
                return(iMate__(ed, def));
            }
            return(null);
        }
Esempio n. 3
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        /////////////////////////////////////////////////////////////
        // Use: Inserts new sketch in part and copies content
        //      from input sketch
        /////////////////////////////////////////////////////////////
        public static PlanarSketch InsertSketch(PartDocument doc,
                                                PlanarSketch sketch,
                                                UnitVector xAxis,
                                                UnitVector yAxis,
                                                Point basePoint)
        {
            PartComponentDefinition compDef =
                doc.ComponentDefinition;

            WorkAxis wa1 = compDef.WorkAxes.AddFixed(
                basePoint, xAxis, _ConstructionWorkFeature);

            WorkAxis wa2 = compDef.WorkAxes.AddFixed(
                basePoint, yAxis, _ConstructionWorkFeature);

            WorkPlane wp = compDef.WorkPlanes.AddByTwoLines(
                wa1, wa2, _ConstructionWorkFeature);

            WorkPoint origin = compDef.WorkPoints.AddFixed(
                basePoint, _ConstructionWorkFeature);

            PlanarSketch newSketch =
                compDef.Sketches.AddWithOrientation(
                    wp, wa1, true, true, origin, false);

            sketch.CopyContentsTo(newSketch as Sketch);

            return(newSketch);
        }
Esempio n. 4
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        //Массив по кругу
        public void Create_Circular_Array(RevolveFeature revolve)
        {
            ObjectCollection obj_collection = InventorApplication.TransientObjects.CreateObjectCollection();

            obj_collection.Add(revolve);
            WorkAxis XAxis = partCompDef.WorkAxes[1];
            CircularPatternFeature pattern = partCompDef.Features.CircularPatternFeatures.Add(obj_collection, XAxis, false, 10, "360 grad", false, PatternComputeTypeEnum.kIdenticalCompute);
        }
Esempio n. 5
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        /////////////////////////////////////////////////////////////
        // Use: Creates CoilFeature that represents the modelized
        //      Thread.
        /////////////////////////////////////////////////////////////
        private static bool CreateCoilFeature(PartDocument doc,
                                              Profile profile,
                                              Vector threadDirection,
                                              Point basePoint,
                                              bool rightHanded,
                                              double taper,
                                              double pitch,
                                              double extraPitch)
        {
            try
            {
                PartComponentDefinition compDef =
                    doc.ComponentDefinition;

                WorkAxis wa = compDef.WorkAxes.AddFixed(
                    basePoint,
                    threadDirection.AsUnitVector(),
                    _ConstructionWorkFeature);

                double height = threadDirection.Length + 2 * pitch;

                double coilPitch = pitch * (100 + extraPitch) * 0.01;

                CoilFeature coil =
                    compDef.Features.CoilFeatures.AddByPitchAndHeight(
                        profile,
                        wa,
                        coilPitch,
                        height,
                        PartFeatureOperationEnum.kCutOperation,
                        false,
                        !rightHanded,
                        taper,
                        false,
                        0,
                        0,
                        false,
                        0,
                        0);

                ObjectCollection bodies =
                    _Application.TransientObjects.
                    CreateObjectCollection(null);

                bodies.Add(
                    compDef.SurfaceBodies[compDef.SurfaceBodies.Count]);

                coil.SetAffectedBodies(bodies);

                return(coil.HealthStatus == HealthStatusEnum.kUpToDateHealth);
            }
            catch
            {
                return(false);
            }
        }
Esempio n. 6
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        /// <summary>
        /// Отрисовка и вращение стабилизаторов второй ступени
        /// </summary>
        private void BuildSecondStabilizer(RocketBuildStyle style)
        {
            WorkAxis xAxis = _inventorApi.PartDefinition.WorkAxes[1];
            WorkAxis yAxis = _inventorApi.PartDefinition.WorkAxes[2];
            WorkAxis zAxis = _inventorApi.PartDefinition.WorkAxes[3];

            var secondStageDiameter   = RocketParameters.GetParameter(ParameterType.SecondStageDiameter).Value;
            var secondStabilizerSpan  = RocketParameters.GetParameter(ParameterType.SecondStabilizerSpan).Value - secondStageDiameter;
            var secondStabilizerCount = RocketParameters.GetParameter(ParameterType.SecondStabilizerCount).Value;
            var coneLenght            = RocketParameters.GetParameter(ParameterType.ConeLength).Value;
            var secondStageLenght     = RocketParameters.GetParameter(ParameterType.SecondStageLength).Value + coneLenght;
            var stabilizerWidth       = RocketParameters.GetParameter(ParameterType.StabilizerWidth).Value;

            //Необходимые параметры для отрисовки стабилизатора в соответсвии с чертежом
            double parameterPointStabilizer1 = 0.25;
            double parameterPointStabilizer2 = 0.2;
            double parameterPointStabilizer3 = 0.05;

            var secondStabilizerPoint1 = _inventorApi.TransientGeometry.CreatePoint2d(
                secondStageDiameter, secondStageLenght - secondStageLenght * 0.25);
            var secondStabilizerPoint2 = _inventorApi.TransientGeometry.CreatePoint2d(
                secondStageDiameter, secondStageLenght);
            var secondStabilizerPoint3 = _inventorApi.TransientGeometry.CreatePoint2d(
                secondStabilizerSpan, secondStageLenght + secondStabilizerSpan * 0.2);
            var secondStabilizerPoint4 = _inventorApi.TransientGeometry.CreatePoint2d(
                secondStabilizerSpan, secondStageLenght - secondStageLenght * 0.05);

            var xySketch = _inventorApi.MakeNewSketch(1, 0);
            var line1    = xySketch.SketchLines.AddByTwoPoints(secondStabilizerPoint1, secondStabilizerPoint2);
            var line2    = xySketch.SketchLines.AddByTwoPoints(line1.EndSketchPoint, secondStabilizerPoint3);
            var line3    = xySketch.SketchLines.AddByTwoPoints(line2.EndSketchPoint, secondStabilizerPoint4);

            xySketch.SketchLines.AddByTwoPoints(line1.StartSketchPoint, line3.EndSketchPoint);

            var xySketchProfile = xySketch.Profiles.AddForSolid();

            //Метод выдавливания
            var extrudeDef = _inventorApi.PartDefinition.Features.ExtrudeFeatures.CreateExtrudeDefinition(
                xySketchProfile, PartFeatureOperationEnum.kJoinOperation);

            //Выдвыливание
            extrudeDef.SetDistanceExtent(stabilizerWidth, PartFeatureExtentDirectionEnum.kSymmetricExtentDirection);
            var extrude = _inventorApi.PartDefinition.Features.ExtrudeFeatures.Add(extrudeDef);

            ObjectCollection objectCollection = _inventorApi.CreateObjectCollection();

            objectCollection.Add(extrude);

            //Вращение по массиву
            _inventorApi.PartDefinition.Features.CircularPatternFeatures.Add(
                objectCollection, zAxis, true, secondStabilizerCount, "360 deg", true,
                PatternComputeTypeEnum.kAdjustToModelCompute);
        }
Esempio n. 7
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        /// <summary>
        /// Отрисовка стабилизаторов первой ступени
        /// </summary>
        private void BuildFirstStabilizer(RocketBuildStyle style)
        {
            WorkAxis xAxis = _inventorApi.PartDefinition.WorkAxes[1];
            WorkAxis yAxis = _inventorApi.PartDefinition.WorkAxes[2];
            WorkAxis zAxis = _inventorApi.PartDefinition.WorkAxes[3];

            var firstStageDiameter   = RocketParameters.GetParameter(ParameterType.FirstStageDiameter).Value;
            var firstStageLenght     = RocketParameters.GetParameter(ParameterType.FirstStageLength).Value;
            var rocketLenght         = RocketParameters.GetParameter(ParameterType.RocketLength).Value;
            var nozzleLenght         = firstStageLenght * 0.25;
            var firstStabilizerSpan  = RocketParameters.GetParameter(ParameterType.FirstStabilizerSpan).Value - firstStageDiameter;
            var firstStabilizerCount = RocketParameters.GetParameter(ParameterType.FirstStabilizerCount).Value;
            var stabilizerWidth      = RocketParameters.GetParameter(ParameterType.StabilizerWidth).Value;
            var nozzleDiameter       = RocketParameters.GetParameter(ParameterType.NozzleDiameter).Value;

            double parameterPointStabilizer1 = 0.2;
            double parameterPointStabilizer2 = 0.1;
            double parameterPointStabilizer3 = 0.05;

            var firstStabilizerPoint1 = _inventorApi.TransientGeometry.CreatePoint2d(
                firstStageDiameter, rocketLenght - firstStageLenght * parameterPointStabilizer3);
            var firstStabilizerPoint2 = _inventorApi.TransientGeometry.CreatePoint2d(
                nozzleDiameter, rocketLenght + nozzleLenght);
            var firstStabilizerPoint3 = _inventorApi.TransientGeometry.CreatePoint2d(
                nozzleDiameter + nozzleDiameter * parameterPointStabilizer2,
                rocketLenght + nozzleLenght + firstStageDiameter * parameterPointStabilizer1);
            var firstStabilizerPoint4 = _inventorApi.TransientGeometry.CreatePoint2d(
                firstStabilizerSpan, rocketLenght + nozzleLenght - firstStabilizerSpan * parameterPointStabilizer2);
            var firstStabilizerPoint5 = _inventorApi.TransientGeometry.CreatePoint2d(
                firstStabilizerSpan, rocketLenght + nozzleLenght * parameterPointStabilizer2);

            var xySketch = _inventorApi.MakeNewSketch(1, 0);
            var line1    = xySketch.SketchLines.AddByTwoPoints(firstStabilizerPoint1, firstStabilizerPoint2);
            var line2    = xySketch.SketchLines.AddByTwoPoints(line1.EndSketchPoint, firstStabilizerPoint3);
            var line3    = xySketch.SketchLines.AddByTwoPoints(line2.EndSketchPoint, firstStabilizerPoint4);
            var line4    = xySketch.SketchLines.AddByTwoPoints(line3.EndSketchPoint, firstStabilizerPoint5);

            xySketch.SketchLines.AddByTwoPoints(line1.StartSketchPoint, line4.EndSketchPoint);

            var xySketchProfile = xySketch.Profiles.AddForSolid();
            var extrudeDef      = _inventorApi.PartDefinition.Features.ExtrudeFeatures.CreateExtrudeDefinition(
                xySketchProfile, PartFeatureOperationEnum.kJoinOperation);

            extrudeDef.SetDistanceExtent(stabilizerWidth, PartFeatureExtentDirectionEnum.kSymmetricExtentDirection);
            var extrude = _inventorApi.PartDefinition.Features.ExtrudeFeatures.Add(extrudeDef);

            ObjectCollection objectCollection = _inventorApi.CreateObjectCollection();

            objectCollection.Add(extrude);
            var curc = _inventorApi.PartDefinition.Features.CircularPatternFeatures.Add(
                objectCollection, zAxis, true, firstStabilizerCount, "360 deg", true,
                PatternComputeTypeEnum.kAdjustToModelCompute);
        }
Esempio n. 8
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        /// <summary>
        /// Отрисовка сопла (модернизирована с добавлением имитации двигателя)
        /// </summary>
        private void BuildNozzle(RocketBuildStyle style)
        {
            WorkAxis xAxis = _inventorApi.PartDefinition.WorkAxes[1];
            WorkAxis yAxis = _inventorApi.PartDefinition.WorkAxes[2];
            WorkAxis zAxis = _inventorApi.PartDefinition.WorkAxes[3];

            var firstStageLenght   = RocketParameters.GetParameter(ParameterType.FirstStageLength).Value;
            var firstStageDiameter = RocketParameters.GetParameter(ParameterType.FirstStageDiameter).Value;
            var rocketLenght       = RocketParameters.GetParameter(ParameterType.RocketLength).Value;
            var nozzleDiameter     = RocketParameters.GetParameter(ParameterType.NozzleDiameter).Value;

            double parameterPointNozzle1 = 0.25;
            double parameterPointNozzle2 = 0.30;
            double parameterPointNozzle3 = 0.1;
            double parameterPointNozzle4 = 0.5;

            var nozzlePoint1 = _inventorApi.TransientGeometry.CreatePoint2d(0, rocketLenght);
            var nozzlePoint2 = _inventorApi.TransientGeometry.
                               CreatePoint2d(0, rocketLenght +
                                             (firstStageLenght * parameterPointNozzle1) * parameterPointNozzle2);
            var nozzlePoint3 = _inventorApi.TransientGeometry.
                               CreatePoint2d(nozzleDiameter * 0.30, rocketLenght +
                                             (firstStageLenght * parameterPointNozzle1) * parameterPointNozzle3);
            var nozzlePoint4 = _inventorApi.TransientGeometry.
                               CreatePoint2d(nozzleDiameter * 0.95, rocketLenght + firstStageLenght * parameterPointNozzle1);
            var nozzleBezierPoint = _inventorApi.TransientGeometry.
                                    CreatePoint2d(0.85 * nozzleDiameter, rocketLenght +
                                                  (firstStageLenght * parameterPointNozzle1) * parameterPointNozzle4);
            var nozzlePoint5 = _inventorApi.TransientGeometry.
                               CreatePoint2d(nozzleDiameter, rocketLenght + firstStageLenght * 0.25);
            var nozzlePoint6 = _inventorApi.TransientGeometry.CreatePoint2d(firstStageDiameter, rocketLenght);

            var xySketch = _inventorApi.MakeNewSketch(1, 0);
            var line1    = xySketch.SketchLines.AddByTwoPoints(nozzlePoint1, nozzlePoint2);
            var line2    = xySketch.SketchLines.AddByTwoPoints(line1.EndSketchPoint, nozzlePoint3);
            var line3    = xySketch.SketchArcs.AddByThreePoints(line2.EndSketchPoint, nozzleBezierPoint, nozzlePoint4);
            var line4    = xySketch.SketchLines.AddByTwoPoints(line3.EndSketchPoint, nozzlePoint5);
            var line5    = xySketch.SketchLines.AddByTwoPoints(line4.EndSketchPoint, nozzlePoint6);

            xySketch.SketchLines.AddByTwoPoints(line1.StartSketchPoint, line5.EndSketchPoint);

            var xySketchProfile = xySketch.Profiles.AddForSolid();
            var revolve         = _inventorApi.PartDefinition.Features.RevolveFeatures.AddFull(xySketchProfile, zAxis,
                                                                                               PartFeatureOperationEnum.kJoinOperation);

            if (style == RocketBuildStyle.Color)
            {
                _inventorApi.SetColor(revolve.Faces, "Nickel");
            }
        }
Esempio n. 9
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        /// <summary>
        /// Зубья вала.
        /// </summary>
        private void BuildTeeth()
        {
            //Многоугольник для выдавливания
            PlanarSketch StemSketchQ = MakeNewSketch(3,
                                                     ValParameters.GetParameter(ParameterType.LengthFirstLevel).Value +
                                                     ValParameters.GetParameter(ParameterType.LengthSecondLevel).Value);// второй параметр отодвигает по Z координате на заданную длину.
            Point2d pointQ       = _inventorApi.TransientGeometry.CreatePoint2d(ValParameters.GetParameter(ParameterType.RadiusThirdLevel).Value + 3, 0);
            Point2d CenterPointQ = _inventorApi.TransientGeometry.CreatePoint2d(ValParameters.GetParameter(ParameterType.RadiusThirdLevel).Value, 0);

            DrawPolygon(pointQ, StemSketchQ, CenterPointQ);


            ExtrudeDefinition extrudeDefQ =
                _inventorApi.PartDefinition.
                Features.
                ExtrudeFeatures.
                CreateExtrudeDefinition(StemSketchQ.Profiles.AddForSolid(), PartFeatureOperationEnum.kCutOperation);

            extrudeDefQ.SetDistanceExtent(
                ValParameters.GetParameter(ParameterType.LengthThirdLevel).Value,
                PartFeatureExtentDirectionEnum.kPositiveExtentDirection);
            ExtrudeFeature extrudeQ = _inventorApi.PartDefinition.Features.ExtrudeFeatures.Add(extrudeDefQ);



            //Базовые оси
            //для создания массива.
            WorkAxis XAxis = _inventorApi.PartDefinition.WorkAxes[1];
            WorkAxis YAxis = _inventorApi.PartDefinition.WorkAxes[2];
            WorkAxis ZAxis = _inventorApi.PartDefinition.WorkAxes[3];

            //Create an object collection
            ObjectCollection objectCollection = _inventorApi.CreateObjectCollection();

            objectCollection.Add(extrudeQ);
            _inventorApi.PartDefinition.Features.CircularPatternFeatures.Add(
                objectCollection,
                ZAxis,
                true,
                (int)(ValParameters.GetParameter(ParameterType.RadiusThirdLevel).Value / 1.5),
                "360 deg",
                true,
                PatternComputeTypeEnum.kAdjustToModelCompute);
        }
Esempio n. 10
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        private double GetDistanceBtwPointandLine(Inventor.Point mouseupPoint, WorkAxis workaxis)
        {
            PartDocument partDoc;

            partDoc = (PartDocument)m_inventorApplication.ActiveDocument;

            PartComponentDefinition partComDef;

            partComDef = partDoc.ComponentDefinition;

            NameValueMap cont;

            cont = m_inventorApplication.TransientObjects.CreateNameValueMap();

            Double oDistance;

            oDistance = m_inventorApplication.MeasureTools.GetMinimumDistance(mouseupPoint, workaxis, InferredTypeEnum.kNoInference, InferredTypeEnum.kNoInference, cont);
            return(oDistance);
        }
Esempio n. 11
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        /// <summary>
        /// Отрисовка верхнего конуса
        /// </summary>
        private void BuildCone(RocketBuildStyle style)
        {
            // Комментарий к методу один раз так как дальше все по аналогии одинаково =)
            //Задаем плоскости
            WorkAxis xAxis = _inventorApi.PartDefinition.WorkAxes[1];
            WorkAxis yAxis = _inventorApi.PartDefinition.WorkAxes[2];
            WorkAxis zAxis = _inventorApi.PartDefinition.WorkAxes[3];

            //Задаем опорные точки
            double coneBezierParameter1 = 0.625;
            double coneBezierParameter2 = 0.325;
            var    coneLenght           = RocketParameters.GetParameter(ParameterType.ConeLength).Value;
            var    coneDiameter         = RocketParameters.GetParameter(ParameterType.SecondStageDiameter).Value;
            var    conePoint1           = _inventorApi.TransientGeometry.CreatePoint2d(0, 0);
            var    conePoint2           = _inventorApi.TransientGeometry.CreatePoint2d(0, coneLenght);
            var    conePoint3           = _inventorApi.TransientGeometry.CreatePoint2d(coneDiameter, coneLenght);
            var    coneBezierPoint      = _inventorApi.TransientGeometry.
                                          CreatePoint2d(coneBezierParameter1 * coneDiameter, coneBezierParameter2 * coneLenght);

            //Создаем скетч
            var xySketch = _inventorApi.MakeNewSketch(1, 0);

            //Добавляем в него линии по точкам (внимательно! нужно указывать начало и конец линий)
            var line1 = xySketch.SketchLines.AddByTwoPoints(conePoint1, conePoint2);
            var line2 = xySketch.SketchLines.AddByTwoPoints(line1.EndSketchPoint, conePoint3);

            xySketch.SketchArcs.AddByThreePoints(line1.StartSketchPoint, coneBezierPoint, line2.EndSketchPoint);
            var xySketchProfile = xySketch.Profiles.AddForSolid();

            //Вращаем на 360 градусов с выдавливанием вокруг оси Z
            var revolve = _inventorApi.PartDefinition.Features.RevolveFeatures.AddFull(xySketchProfile, zAxis,
                                                                                       PartFeatureOperationEnum.kJoinOperation);

            //Выбор металла
            if (style == RocketBuildStyle.Color)
            {
                _inventorApi.SetColor(revolve.Faces, "Gold - Metal");
            }
        }
Esempio n. 12
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        /// <summary>
        /// Отрисовка промежуточной юбки между ступенями
        /// </summary>
        private void BuildBetweenStage(RocketBuildStyle style)
        {
            WorkAxis xAxis = _inventorApi.PartDefinition.WorkAxes[1];
            WorkAxis yAxis = _inventorApi.PartDefinition.WorkAxes[2];
            WorkAxis zAxis = _inventorApi.PartDefinition.WorkAxes[3];

            var secondStageLenght   = RocketParameters.GetParameter(ParameterType.SecondStageLength).Value;
            var secondStageDiameter = RocketParameters.GetParameter(ParameterType.SecondStageDiameter).Value;
            var coneLenght          = RocketParameters.GetParameter(ParameterType.ConeLength).Value;
            var firstStageLenght    = RocketParameters.GetParameter(ParameterType.FirstStageLength).Value;
            var firstStageDiameter  = RocketParameters.GetParameter(ParameterType.FirstStageDiameter).Value;
            var rocketLength        = RocketParameters.GetParameter(ParameterType.RocketLength).Value;

            var betweenStagePoint1 = _inventorApi.TransientGeometry.
                                     CreatePoint2d(0, coneLenght + secondStageLenght);
            var betweenStagePoint2 = _inventorApi.TransientGeometry.
                                     CreatePoint2d(0, rocketLength - firstStageLenght);
            var betweenStagePoint3 = _inventorApi.TransientGeometry.
                                     CreatePoint2d(firstStageDiameter, rocketLength - firstStageLenght);
            var betweenStagePoint4 = _inventorApi.TransientGeometry.
                                     CreatePoint2d(secondStageDiameter, coneLenght + secondStageLenght);

            var xySketch = _inventorApi.MakeNewSketch(1, 0);
            var line1    = xySketch.SketchLines.AddByTwoPoints(betweenStagePoint1, betweenStagePoint2);
            var line2    = xySketch.SketchLines.AddByTwoPoints(line1.EndSketchPoint, betweenStagePoint3);
            var line3    = xySketch.SketchLines.AddByTwoPoints(line2.EndSketchPoint, betweenStagePoint4);

            xySketch.SketchLines.AddByTwoPoints(line1.StartSketchPoint, line3.EndSketchPoint);

            var xySketchProfile = xySketch.Profiles.AddForSolid();
            var revolve         = _inventorApi.PartDefinition.Features.RevolveFeatures.AddFull(xySketchProfile, zAxis,
                                                                                               PartFeatureOperationEnum.kJoinOperation);

            if (style == RocketBuildStyle.Color)
            {
                _inventorApi.SetColor(revolve.Faces, "Titanium");
            }
        }
Esempio n. 13
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        /// <summary>
        /// Отрисовка первой ступени методом вращения прямоугольника
        /// </summary>
        private void BuildFirstStage(RocketBuildStyle style)
        {
            WorkAxis xAxis = _inventorApi.PartDefinition.WorkAxes[1];
            WorkAxis yAxis = _inventorApi.PartDefinition.WorkAxes[2];
            WorkAxis zAxis = _inventorApi.PartDefinition.WorkAxes[3];

            var firstStageLenght   = RocketParameters.GetParameter(ParameterType.FirstStageLength).Value;
            var firstStageDiameter = RocketParameters.GetParameter(ParameterType.FirstStageDiameter).Value;
            var rocketLength       = RocketParameters.GetParameter(ParameterType.RocketLength).Value;
            var firstStagePoint1   = _inventorApi.TransientGeometry.CreatePoint2d(0, rocketLength - firstStageLenght);
            var firstStagePoint2   = _inventorApi.TransientGeometry.CreatePoint2d(firstStageDiameter, rocketLength);

            var xySketch = _inventorApi.MakeNewSketch(1, 0);

            xySketch.SketchLines.AddAsTwoPointRectangle(firstStagePoint1, firstStagePoint2);
            var xySketchProfile = xySketch.Profiles.AddForSolid();
            var revolve         = _inventorApi.PartDefinition.Features.RevolveFeatures.AddFull(xySketchProfile, zAxis,
                                                                                               PartFeatureOperationEnum.kJoinOperation);

            if (style == RocketBuildStyle.Color)
            {
                _inventorApi.SetColor(revolve.Faces, "Chrome - Polished");
            }
        }
Esempio n. 14
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        private double GetDistanceBetwLineAndFace(PartComponentDefinition partCompDef, WorkAxis workAxis, WorkPlane workPlane)
        {
            NameValueMap cont;

            cont = m_inventorApplication.TransientObjects.CreateNameValueMap();

            Double oDistance;

            oDistance = m_inventorApplication.MeasureTools.GetMinimumDistance(workAxis, workPlane, InferredTypeEnum.kNoInference, InferredTypeEnum.kNoInference, cont);

            return(oDistance);
        }
        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
        //
        //
        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
        private static RectangularPatternFeature[] CopyRectangularPatternFeature(PartComponentDefinition partCompDef,
                                                                                 RectangularPatternFeature AsmFeature,
                                                                                 Matrix invTransfo,
                                                                                 int elementIdx,
                                                                                 ComponentOccurrence occurrence,
                                                                                 out ReportData[] reports)
        {
            List <RectangularPatternFeature> newFeatures = new List <RectangularPatternFeature>();

            ObjectCollection ParentFeatures = FeatureUtilities.CopyParentFeatures(partCompDef,
                                                                                  AsmFeature.Parent.Document as Document,
                                                                                  AsmFeature.ParentFeatures,
                                                                                  invTransfo,
                                                                                  occurrence,
                                                                                  out reports);

            if (ParentFeatures.Count == 0)
            {
                return(null);
            }

            Sketch3D sketch3D = partCompDef.Sketches3D.Add();

            List <RectangularPatternFeatureData> FeaturesDataList = new List <RectangularPatternFeatureData>();

            //Only along X Axis
            if (AsmFeature.XDirectionEntity != null && AsmFeature.YDirectionEntity == null)
            {
                UnitVector xDirection = FeatureUtilities.GetDirection(AsmFeature.XDirectionEntity);
                xDirection.TransformBy(invTransfo);

                Point         xDirStartPoint   = null;
                WorkAxis      xDirAxis         = null;
                SketchPoint3D xDirStartPoint3D = null;

                try
                {
                    xDirStartPoint = FeatureUtilities.GetPoint(AsmFeature.XDirectionStartPoint);
                    xDirStartPoint.TransformBy(invTransfo);

                    xDirAxis = partCompDef.WorkAxes.AddFixed(xDirStartPoint, xDirection, FeatureUtilities.ConstructionWorkAxis);

                    xDirStartPoint3D = sketch3D.SketchPoints3D.Add(xDirStartPoint, false);
                }
                catch
                {
                    xDirAxis = partCompDef.WorkAxes.AddFixed(partCompDef.WorkPoints[1].Point, xDirection, FeatureUtilities.ConstructionWorkAxis);
                }

                double count1 = (double)(AsmFeature.XCount.Value) - elementIdx + 1;

                //Check it's not the last pattern element
                if (count1 != 0 && elementIdx != (double)(AsmFeature.XCount.Value))
                {
                    RectangularPatternFeatureData featureData = newRectangularPatternFeatureData();

                    featureData.xCount = count1;

                    featureData.xSpacing = AsmFeature.XSpacing.Value;

                    featureData.naturalXDirection = AsmFeature.NaturalXDirection;

                    featureData.xDirectionSpacingType = AsmFeature.XDirectionSpacingType;

                    featureData.xDirAxis = xDirAxis;

                    featureData.xDirStartPoint3D = xDirStartPoint3D;

                    FeaturesDataList.Add(featureData);
                }

                double count2 = elementIdx;

                //Check it's not the first pattern element
                if (count2 != 0 && elementIdx != 1)
                {
                    RectangularPatternFeatureData featureData = newRectangularPatternFeatureData();

                    featureData.xCount = count2;

                    featureData.xSpacing = AsmFeature.XSpacing.Value;

                    featureData.naturalXDirection = !AsmFeature.NaturalXDirection;

                    featureData.xDirectionSpacingType = AsmFeature.XDirectionSpacingType;

                    featureData.xDirAxis = xDirAxis;

                    featureData.xDirStartPoint3D = xDirStartPoint3D;

                    FeaturesDataList.Add(featureData);
                }
            }

            //Only along Y Axis
            if (AsmFeature.YDirectionEntity != null && AsmFeature.XDirectionEntity == null)
            {
            }

            //Only along both Axes
            if (AsmFeature.XDirectionEntity != null && AsmFeature.YDirectionEntity != null)
            {
            }

            foreach (RectangularPatternFeatureData featureData in FeaturesDataList)
            {
                RectangularPatternFeature newFeature = partCompDef.Features.RectangularPatternFeatures.Add(ParentFeatures,

                                                                                                           featureData.xDirAxis,
                                                                                                           featureData.naturalXDirection,
                                                                                                           featureData.xCount,
                                                                                                           featureData.xSpacing,
                                                                                                           featureData.xDirectionSpacingType,
                                                                                                           featureData.xDirStartPoint3D,

                                                                                                           featureData.yDirAxis,
                                                                                                           featureData.naturalYDirection,
                                                                                                           featureData.yCount,
                                                                                                           featureData.ySpacing,
                                                                                                           featureData.yDirectionSpacingType,
                                                                                                           featureData.yDirStartPoint3D,

                                                                                                           AsmFeature.ComputeType,
                                                                                                           AsmFeature.OrientationMethod);

                foreach (FeaturePatternElement element in newFeature.PatternElements)
                {
                    if (newFeature.HealthStatus == HealthStatusEnum.kUpToDateHealth)
                    {
                        break;
                    }

                    if (element.Faces.Count == 0 && element.Index != 1)
                    {
                        element.Suppressed = true;
                    }
                }

                if (newFeature != null)
                {
                    newFeatures.Add(newFeature);
                }
            }

            return(newFeatures.ToArray());
        }
Esempio n. 16
0
        /// <summary>
        /// Построение зубьев вала.
        /// </summary>
        private void BuildTeeth()
        {
            if (ValParameters.GetParameter(ParameterType.NumTeethLevelSetted).Value == 1)
            {
                _numTeethLevelL = ValParameters.GetParameter(ParameterType.LengthFirstLevel).Value - ValParameters.GetParameter(ParameterType.LengthFirstLevel).Value;

                _numTeethLevelR = ValParameters.GetParameter(ParameterType.RadiusFirstLevel).Value +
                                  ValParameters.GetParameter(ParameterType.RadiusFirstLevel).Value / 10;

                _numTeethLevelQ = ValParameters.GetParameter(ParameterType.RadiusFirstLevel).Value;

                _distance = ValParameters.GetParameter(ParameterType.LengthFirstLevel).Value;
            }
            //
            if (ValParameters.GetParameter(ParameterType.NumTeethLevelSetted).Value == 2)
            {
                _numTeethLevelL = ValParameters.GetParameter(ParameterType.LengthFirstLevel).Value;

                _numTeethLevelR = ValParameters.GetParameter(ParameterType.RadiusSecondLevel).Value +
                                  ValParameters.GetParameter(ParameterType.RadiusSecondLevel).Value / 10;

                _numTeethLevelQ = ValParameters.GetParameter(ParameterType.RadiusSecondLevel).Value;

                _distance = ValParameters.GetParameter(ParameterType.LengthSecondLevel).Value;
            }
            //
            if (ValParameters.GetParameter(ParameterType.NumTeethLevelSetted).Value == 3)
            {
                _numTeethLevelL = ValParameters.GetParameter(ParameterType.LengthFirstLevel).Value +
                                  ValParameters.GetParameter(ParameterType.LengthSecondLevel).Value;

                _numTeethLevelR = ValParameters.GetParameter(ParameterType.RadiusThirdLevel).Value +
                                  ValParameters.GetParameter(ParameterType.RadiusThirdLevel).Value / 10;

                _numTeethLevelQ = ValParameters.GetParameter(ParameterType.RadiusThirdLevel).Value;

                _distance = ValParameters.GetParameter(ParameterType.LengthThirdLevel).Value;
            }
            //
            if (ValParameters.GetParameter(ParameterType.NumTeethLevelSetted).Value == 4)
            {
                _numTeethLevelL =
                    ValParameters.GetParameter(ParameterType.LengthFirstLevel).Value + ValParameters.GetParameter(ParameterType.LengthSecondLevel).Value +
                    ValParameters.GetParameter(ParameterType.LengthThirdLevel).Value;

                _numTeethLevelR = ValParameters.GetParameter(ParameterType.RadiusFourthLevel).Value +
                                  ValParameters.GetParameter(ParameterType.RadiusFourthLevel).Value / 10;

                _numTeethLevelQ = ValParameters.GetParameter(ParameterType.RadiusFourthLevel).Value;

                _distance = ValParameters.GetParameter(ParameterType.LengthFourthLevel).Value;
            }
            //
            if (ValParameters.GetParameter(ParameterType.NumTeethLevelSetted).Value == 5)
            {
                _numTeethLevelL =
                    ValParameters.GetParameter(ParameterType.LengthFirstLevel).Value + ValParameters.GetParameter(ParameterType.LengthSecondLevel).Value +
                    ValParameters.GetParameter(ParameterType.LengthThirdLevel).Value + ValParameters.GetParameter(ParameterType.LengthFourthLevel).Value;

                _numTeethLevelR = ValParameters.GetParameter(ParameterType.RadiusFifthLevel).Value +
                                  ValParameters.GetParameter(ParameterType.RadiusFifthLevel).Value / 10;

                _numTeethLevelQ = ValParameters.GetParameter(ParameterType.RadiusFifthLevel).Value;

                _distance = ValParameters.GetParameter(ParameterType.LengthFifthLevel).Value;
            }
            //
            if (ValParameters.GetParameter(ParameterType.NumTeethLevelSetted).Value == 6)
            {
                _numTeethLevelL =
                    ValParameters.GetParameter(ParameterType.LengthFirstLevel).Value + ValParameters.GetParameter(ParameterType.LengthSecondLevel).Value +
                    ValParameters.GetParameter(ParameterType.LengthThirdLevel).Value + ValParameters.GetParameter(ParameterType.LengthFourthLevel).Value +
                    ValParameters.GetParameter(ParameterType.LengthFifthLevel).Value;

                _numTeethLevelR = ValParameters.GetParameter(ParameterType.RadiusSixthLevel).Value +
                                  ValParameters.GetParameter(ParameterType.RadiusSixthLevel).Value / 10;

                _numTeethLevelQ = ValParameters.GetParameter(ParameterType.RadiusSixthLevel).Value;

                _distance = ValParameters.GetParameter(ParameterType.LengthSixthLevel).Value;
            }
            //
            if (ValParameters.GetParameter(ParameterType.NumTeethLevelSetted).Value == 7)
            {
                _numTeethLevelL = ValParameters.GetParameter(ParameterType.LengthFirstLevel).Value +
                                  ValParameters.GetParameter(ParameterType.LengthSecondLevel).Value +
                                  ValParameters.GetParameter(ParameterType.LengthThirdLevel).Value +
                                  ValParameters.GetParameter(ParameterType.LengthFourthLevel).Value +
                                  ValParameters.GetParameter(ParameterType.LengthFifthLevel).Value +
                                  ValParameters.GetParameter(ParameterType.LengthSixthLevel).Value;

                _numTeethLevelR = ValParameters.GetParameter(ParameterType.RadiusSeventhLevel).Value +
                                  ValParameters.GetParameter(ParameterType.RadiusSeventhLevel).Value / 10;

                _numTeethLevelQ = ValParameters.GetParameter(ParameterType.RadiusSeventhLevel).Value;

                _distance = ValParameters.GetParameter(ParameterType.LengthSeventhLevel).Value;
            }

            PlanarSketch StemSketchQ  = _inventorApi.MakeNewSketch(3, _numTeethLevelL);// второй параметр отодвигает по Z координате на заданную длину.
            Point2d      pointQ       = _inventorApi.TransientGeometry.CreatePoint2d(_numTeethLevelR, 0);
            Point2d      CenterPointQ = _inventorApi.TransientGeometry.CreatePoint2d(_numTeethLevelQ, 0);

            _inventorApi.DrawPolygon(pointQ, StemSketchQ, CenterPointQ);
            //DrawPolygon(pointQ, StemSketchQ, CenterPointQ);

            ExtrudeDefinition extrudeDefQ =
                _inventorApi.PartDefinition.
                Features.
                ExtrudeFeatures.
                CreateExtrudeDefinition(StemSketchQ.Profiles.AddForSolid(), PartFeatureOperationEnum.kCutOperation);

            extrudeDefQ.SetDistanceExtent(
                _distance, // insteadof _distance = ValParameters.GetParameter(ParameterType.LengthFirstLevel).Value;
                PartFeatureExtentDirectionEnum.kPositiveExtentDirection);
            ExtrudeFeature extrudeQ = _inventorApi.PartDefinition.Features.ExtrudeFeatures.Add(extrudeDefQ);



            //Базовые оси
            //для создания массива.
            WorkAxis XAxis = _inventorApi.PartDefinition.WorkAxes[1];
            WorkAxis YAxis = _inventorApi.PartDefinition.WorkAxes[2];
            WorkAxis ZAxis = _inventorApi.PartDefinition.WorkAxes[3];

            //Create an object collection
            ObjectCollection objectCollection = _inventorApi.CreateObjectCollection();

            objectCollection.Add(extrudeQ);
            _inventorApi.PartDefinition.Features.CircularPatternFeatures.Add(
                objectCollection,
                ZAxis,
                true,
                // (int)(ValParameters.GetParameter(ParameterType.RadiusThirdLevel).Value/1.5),
                (int)(ValParameters.GetParameter(ParameterType.NumTeeth).Value),
                "360 deg",
                true,
                PatternComputeTypeEnum.kAdjustToModelCompute);
        }
Esempio n. 17
0
        private void button2_Click(object sender, EventArgs e)
        {
            try
            {
                ThisApplication = (Inventor.Application)System.Runtime.InteropServices.Marshal.GetActiveObject("Inventor.Application");
                if (ThisApplication != null)
                {
                    label1.Text = "Inventor запущен.";
                }
            }
            catch
            {
                MessageBox.Show("Запустите Inventor!");
                return;
            }

            //Перевод мм в см
            D /= 10; d /= 10; B /= 10; r /= 10; r1 /= 10;

            //Sketch..
            New_document_Name("Подшипник");
            oPartDoc["Подшипник"].DisplayName = "Подшипник";
            PlanarSketch oSketch = oCompDef["Подшипник"].Sketches.Add(oCompDef["Подшипник"].WorkPlanes[3]);

            SketchPoint[]  point      = new SketchPoint[101];
            SketchArc[]    arc        = new SketchArc[101];
            SketchPoint[]  center_arc = new SketchPoint[101];
            SketchLine[]   lines      = new SketchLine[101];
            SketchCircle[] circles    = new SketchCircle[101];

            //Координаты точек вершин прямоугольника
            point[0] = oSketch.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, D / 2));
            point[1] = oSketch.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, d / 2));
            point[2] = oSketch.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B, d / 2));
            point[3] = oSketch.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B, D / 2));
            point[4] = oSketch.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, (D / 2 - d / 2) / 3 + d / 2));
            point[5] = oSketch.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, (D / 2 - d / 2) * 2 / 3 + d / 2));
            point[6] = oSketch.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B, (D / 2 - d / 2) / 3 + d / 2));
            point[7] = oSketch.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B, (D / 2 - d / 2) * 2 / 3 + d / 2));

            //Соединение верхнего прямоугольника
            lines[0] = oSketch.SketchLines.AddByTwoPoints(point[0], point[5]);
            lines[1] = oSketch.SketchLines.AddByTwoPoints(point[3], point[7]);
            lines[2] = oSketch.SketchLines.AddByTwoPoints(point[0], point[3]);
            lines[3] = oSketch.SketchLines.AddByTwoPoints(point[5], point[7]);

            //Содинение вершин нижнего прямоугольника
            lines[4] = oSketch.SketchLines.AddByTwoPoints(point[4], point[1]);
            lines[5] = oSketch.SketchLines.AddByTwoPoints(point[1], point[2]);
            lines[6] = oSketch.SketchLines.AddByTwoPoints(point[4], point[6]);
            lines[7] = oSketch.SketchLines.AddByTwoPoints(point[6], point[2]);

            //Ось вращения двух прямоугольников
            point[8] = oSketch.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, 0));
            point[9] = oSketch.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B, 0));
            lines[8] = oSketch.SketchLines.AddByTwoPoints(point[8], point[9]);

            //Closing the sketch
            oTrans["Подшипник"].End();

            //Вращение
            Profile oProfile = default(Profile);

            oProfile = (Profile)oSketch.Profiles.AddForSolid();
            RevolveFeature revolvefeature = default(RevolveFeature);

            revolvefeature = oCompDef["Подшипник"].Features.RevolveFeatures.AddFull(oProfile, lines[8], PartFeatureOperationEnum.kJoinOperation);



            /*
             * Новый скетч 1
             */



            //Новый sketch с окружностями
            PlanarSketch oSketch1 = oCompDef["Подшипник"].Sketches.Add(oCompDef["Подшипник"].WorkPlanes[3]);
            Transaction  oTrans1  = ThisApplication.TransactionManager.StartTransaction(ThisApplication.ActiveDocument, "Create Sample");

            //Окружности
            point[10]  = oSketch1.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B / 4, (D / 2 + d / 2) / 2));
            point[11]  = oSketch1.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B * 3 / 4, (D / 2 + d / 2) / 2));
            circles[0] = oSketch1.SketchCircles.AddByCenterRadius(point[10], (D / 2 - d / 2) / 3.6);
            circles[1] = oSketch1.SketchCircles.AddByCenterRadius(point[11], (D / 2 - d / 2) / 3.6);

            //Ось вращения подшипника
            point[12] = oSketch1.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, 0));
            point[13] = oSketch1.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B, 0));
            lines[9]  = oSketch1.SketchLines.AddByTwoPoints(point[12], point[13]);

            //Closing the sketch 1
            oTrans1.End();

            //Выдавливание выемки
            Profile oProfile1 = default(Profile);

            oProfile1 = (Profile)oSketch1.Profiles.AddForSolid();
            RevolveFeature revolvefeature1 = default(RevolveFeature);

            revolvefeature1 = oCompDef["Подшипник"].Features.RevolveFeatures.AddFull(oProfile1, lines[9], PartFeatureOperationEnum.kCutOperation);

            /*
             * New sketch 4
             */

            //New sketch 4
            PlanarSketch oSketch4 = oCompDef["Подшипник"].Sketches.Add(oCompDef["Подшипник"].WorkPlanes[3]);
            Transaction  oTrans4  = ThisApplication.TransactionManager.StartTransaction(ThisApplication.ActiveDocument, "Create Sample");

            //Четырехугольник для вычетания выдавливания по краям подшипнника (слева)
            point[20] = oSketch4.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, D / 2 * 0.7916875 - 0.1));
            point[21] = oSketch4.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, D / 2 * 0.9275625));
            point[22] = oSketch4.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B / 4, D / 2 * 0.861125));
            point[23] = oSketch4.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B / 4, D / 2 * 0.7916875 - 0.1));
            lines[12] = oSketch4.SketchLines.AddByTwoPoints(point[20], point[21]);
            lines[13] = oSketch4.SketchLines.AddByTwoPoints(point[20], point[23]);
            lines[14] = oSketch4.SketchLines.AddByTwoPoints(point[21], point[22]);
            lines[15] = oSketch4.SketchLines.AddByTwoPoints(point[22], point[23]);

            point[26] = oSketch4.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B, D / 2 * 0.7916875 - 0.1));
            point[27] = oSketch4.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B, D / 2 * 0.9275625));
            point[28] = oSketch4.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B * 3 / 4, D / 2 * 0.861125));
            point[29] = oSketch4.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B * 3 / 4, D / 2 * 0.7916875 - 0.1));
            lines[17] = oSketch4.SketchLines.AddByTwoPoints(point[26], point[27]);
            lines[18] = oSketch4.SketchLines.AddByTwoPoints(point[27], point[28]);
            lines[19] = oSketch4.SketchLines.AddByTwoPoints(point[28], point[29]);
            lines[20] = oSketch4.SketchLines.AddByTwoPoints(point[29], point[26]);

            //ось
            point[24] = oSketch4.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, 0));
            point[25] = oSketch4.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B, 0));
            lines[16] = oSketch4.SketchLines.AddByTwoPoints(point[24], point[25]);

            //Closing the sketch 4
            oTrans4.End();

            //Вычетание началось (слева)
            Profile oProfile4 = default(Profile);

            oProfile4 = (Profile)oSketch4.Profiles.AddForSolid();
            RevolveFeature revolveFeature4 = default(RevolveFeature);

            revolveFeature4 = oCompDef["Подшипник"].Features.RevolveFeatures.AddFull(oProfile4, lines[16], PartFeatureOperationEnum.kCutOperation);



            /*
             * New sketch 2
             */



            //Новый sketch с окружностями
            PlanarSketch oSketch2 = oCompDef["Подшипник"].Sketches.Add(oCompDef["Подшипник"].WorkPlanes[3]);
            Transaction  oTrans2  = ThisApplication.TransactionManager.StartTransaction(ThisApplication.ActiveDocument, "Create Sample");

            //Задаю полуокружность!
            point[14] = oSketch2.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B / 4, D / 2 * n));
            point[15] = oSketch2.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B / 4, D / 2 * m));
            lines[10] = oSketch2.SketchLines.AddByTwoPoints(point[14], point[15]);
            point[16] = oSketch2.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B / 4, (D / 2 + d / 2) / 2));
            arc[0]    = oSketch2.SketchArcs.AddByCenterStartEndPoint(point[16], point[15], point[14], false);


            //Closing the sketch 2
            oTrans2.End();


            //Выдавливание окружности 1
            Profile oProfile2 = default(Profile);

            oProfile2 = (Profile)oSketch2.Profiles.AddForSolid();
            RevolveFeature revolveFeature2 = default(RevolveFeature);

            revolveFeature2 = oCompDef["Подшипник"].Features.RevolveFeatures.AddFull(oProfile2, lines[10], PartFeatureOperationEnum.kJoinOperation);

            //New sketch 3
            PlanarSketch oSketch3 = oCompDef["Подшипник"].Sketches.Add(oCompDef["Подшипник"].WorkPlanes[3]);
            Transaction  oTrans3  = ThisApplication.TransactionManager.StartTransaction(ThisApplication.ActiveDocument, "Create Sample");

            //Задаю окружность второго шарика
            point[17] = oSketch3.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B * 3 / 4, D / 2 * n));
            point[18] = oSketch3.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B * 3 / 4, D / 2 * m));
            lines[11] = oSketch3.SketchLines.AddByTwoPoints(point[17], point[18]);
            point[19] = oSketch3.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(B * 3 / 4, (D / 2 + d / 2) / 2));
            arc[1]    = oSketch3.SketchArcs.AddByCenterStartEndPoint(point[19], point[17], point[18], false);

            //Closing the sketch 3
            oTrans3.End();

            //Вращение шарика
            Profile oProfile3 = default(Profile);

            oProfile3 = (Profile)oSketch3.Profiles.AddForSolid();
            RevolveFeature revolveFeature3 = default(RevolveFeature);

            revolveFeature3 = oCompDef["Подшипник"].Features.RevolveFeatures.AddFull(oProfile3, lines[11], PartFeatureOperationEnum.kJoinOperation);

            WorkAxis         oAxis          = oCompDef["Подшипник"].WorkAxes[1];
            ObjectCollection oObjCollection = ThisApplication.TransientObjects.CreateObjectCollection();

            oObjCollection.Add(revolveFeature3);
            CircularPatternFeature CircularPatternFeature = oCompDef["Подшипник"].Features.CircularPatternFeatures.Add(oObjCollection, oAxis, true, count, "360 degree", true, PatternComputeTypeEnum.kIdenticalCompute);

            WorkAxis         oAxis1          = oCompDef["Подшипник"].WorkAxes[1];
            ObjectCollection oObjCollection1 = ThisApplication.TransientObjects.CreateObjectCollection();

            oObjCollection1.Add(revolveFeature2);
            CircularPatternFeature oCircularPatternFeature1 = oCompDef["Подшипник"].Features.CircularPatternFeatures.Add(oObjCollection1, oAxis1, true, count, "360 degree", true, PatternComputeTypeEnum.kIdenticalCompute);



            /*НАЧАЛО ВАЛА
             * НАЧАЛО ВАЛА
             * НАЧАЛО ВАЛА
             * НАЧАЛО ВАЛА
             */



            //New sketch 5
            PlanarSketch oSketch5 = oCompDef["Подшипник"].Sketches.Add(oCompDef["Подшипник"].WorkPlanes[3]);
            Transaction  oTrans5  = ThisApplication.TransactionManager.StartTransaction(ThisApplication.ActiveDocument, "Create Sample");

            //Ось вала
            point[30] = oSketch5.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, 0));
            point[31] = oSketch5.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0.7, 0));
            lines[16] = oSketch5.SketchLines.AddByTwoPoints(point[30], point[31]);

            //Эскиз вала
            point[32] = oSketch5.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, (((D / 2 - d / 2) / 3 + d / 2) + d / 2) / 2));
            point[33] = oSketch5.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(0, d / 2));
            lines[17] = oSketch5.SketchLines.AddByTwoPoints(point[32], point[33]);
            point[34] = oSketch5.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(-0.1 * k, (((D / 2 - d / 2) / 3 + d / 2) + d / 2) / 2));
            lines[18] = oSketch5.SketchLines.AddByTwoPoints(point[32], point[34]);
            point[35] = oSketch5.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d(-0.1 * k, 0));
            lines[19] = oSketch5.SketchLines.AddByTwoPoints(point[34], point[35]);
            point[36] = oSketch5.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d((B + 0.15) * k, d / 2));
            lines[20] = oSketch5.SketchLines.AddByTwoPoints(point[33], point[36]);
            point[37] = oSketch5.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d((B + 0.15) * k, 0.4 * k));
            lines[21] = oSketch5.SketchLines.AddByTwoPoints(point[36], point[37]);
            point[38] = oSketch5.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d((B + 0.15) * k + 0.3 * k, 0.4 * k));
            lines[22] = oSketch5.SketchLines.AddByTwoPoints(point[37], point[38]);
            point[39] = oSketch5.SketchPoints.Add(oTransGeom["Подшипник"].CreatePoint2d((B + 0.15) * k + 0.3 * k, 0));
            lines[23] = oSketch5.SketchLines.AddByTwoPoints(point[38], point[39]);
            lines[24] = oSketch5.SketchLines.AddByTwoPoints(point[39], point[35]);

            //Closing
            oTrans5.End();

            //Вращение вала
            Profile oProfile5 = default(Profile);

            oProfile5 = (Profile)oSketch5.Profiles.AddForSolid();
            RevolveFeature revolveFeature5 = default(RevolveFeature);

            revolveFeature5 = oCompDef["Подшипник"].Features.RevolveFeatures.AddFull(oProfile5, lines[16], PartFeatureOperationEnum.kJoinOperation);

            //Вращение вала

            /*Profile oProfile5 = default(Profile);
             * oProfile5 = (Profile)oSketch5.Profiles.AddForSolid();
             * RevolveFeature revolveFeature5 = default(RevolveFeature);
             * revolveFeature5 = oCompDef["Подшипник"].Features.RevolveFeatures.AddFull(oProfile5, lines[16], PartFeatureOperationEnum.kJoinOperation);*/



            //см в мм
            D *= 10; d *= 10; B *= 10; r *= 10; r1 *= 10;
        }
Esempio n. 18
0
        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
        //
        //
        ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
        private static CircularPatternFeature[] CopyCircularPatternFeature(PartComponentDefinition partCompDef,
                                                                           CircularPatternFeature Feature,
                                                                           Matrix invTransfo,
                                                                           int elementIdx,
                                                                           ComponentOccurrence occurrence,
                                                                           out ReportData[] reports)
        {
            List <CircularPatternFeature> newFeatures = new List <CircularPatternFeature>();

            ObjectCollection ParentFeatures = FeatureUtilities.CopyParentFeatures(partCompDef,
                                                                                  Feature.Parent.Document as Document,
                                                                                  Feature.ParentFeatures,
                                                                                  invTransfo,
                                                                                  occurrence,
                                                                                  out reports);

            if (ParentFeatures.Count == 0)
            {
                return(null);
            }

            List <CircularPatternFeatureData> FeaturesDataList = new List <CircularPatternFeatureData>();

            WorkAxis axis = FeatureUtilities.GetAxis(partCompDef, Feature.AxisEntity, invTransfo);

            double step = (double)Feature.Angle.Value / (double)Feature.Count.Value;

            double count1 = (double)Feature.Count.Value - elementIdx + 1;

            //Check it's not the last pattern element
            if (elementIdx != (double)(Feature.Count.Value))
            {
                CircularPatternFeatureData featureData = new CircularPatternFeatureData();

                featureData.axis = axis;
                featureData.naturalAxisDirection = Feature.NaturalAxisDirection;
                featureData.count          = count1;
                featureData.angle          = step * (count1 - 1);
                featureData.fitWithinAngle = Feature.FitWithinAngle;

                FeaturesDataList.Add(featureData);
            }

            double count2 = elementIdx;

            //Check it's not the first pattern element
            if (elementIdx != 1)
            {
                CircularPatternFeatureData featureData = new CircularPatternFeatureData();

                featureData.axis = axis;
                featureData.naturalAxisDirection = !Feature.NaturalAxisDirection;
                featureData.count          = count2;
                featureData.angle          = step * (count2 - (elementIdx == (double)(Feature.Count.Value) ? 0 : 1));
                featureData.fitWithinAngle = Feature.FitWithinAngle;

                FeaturesDataList.Add(featureData);
            }

            foreach (CircularPatternFeatureData featureData in FeaturesDataList)
            {
                CircularPatternFeature newFeature = partCompDef.Features.CircularPatternFeatures.Add(ParentFeatures,
                                                                                                     featureData.axis,
                                                                                                     featureData.naturalAxisDirection,
                                                                                                     featureData.count,
                                                                                                     featureData.angle,
                                                                                                     featureData.fitWithinAngle,
                                                                                                     Feature.ComputeType);

                if (newFeature != null)
                {
                    newFeatures.Add(newFeature);
                }
            }

            return(newFeatures.ToArray());
        }
Esempio n. 19
0
        /////////////////////////////////////////////////////////////
        // Use: Creates new solid bodies affected by the future
        //      CoilFeature for Tapered Thread.
        /////////////////////////////////////////////////////////////
        private static bool CreateCoilBodyTapered(PartDocument doc,
                                                  ThreadInfo threadInfo,
                                                  Face threadedFace,
                                                  double depth,
                                                  bool isInteriorFace)
        {
            try
            {
                PartComponentDefinition compDef =
                    doc.ComponentDefinition;

                Vector direction = threadInfo.ThreadDirection;

                Point basePoint =
                    threadInfo.ThreadBasePoints[1] as Point;

                Point endPoint = _Tg.CreatePoint(
                    basePoint.X + direction.X,
                    basePoint.Y + direction.Y,
                    basePoint.Z + direction.Z);

                UnitVector yAxis = direction.AsUnitVector();

                UnitVector xAxis = Toolkit.GetOrthoVector(yAxis);

                WorkPoint wpt = compDef.WorkPoints.AddFixed(basePoint,
                                                            _ConstructionWorkFeature);

                WorkPlane wpl = compDef.WorkPlanes.AddFixed(basePoint,
                                                            xAxis, yAxis, _ConstructionWorkFeature);

                WorkAxis xWa = compDef.WorkAxes.AddFixed(basePoint,
                                                         xAxis, _ConstructionWorkFeature);

                WorkAxis yWa = compDef.WorkAxes.AddFixed(basePoint,
                                                         yAxis, _ConstructionWorkFeature);

                PlanarSketch sketch =
                    compDef.Sketches.AddWithOrientation(wpl,
                                                        xWa, true, true, wpt, false);

                Cone cone = threadedFace.Geometry as Cone;

                double revDepth =
                    depth / Math.Cos(cone.HalfAngle) *
                    (isInteriorFace ? -1.0 : 1.0);

                Line l1 = Toolkit.GetFaceSideDirection(threadedFace, xAxis);

                Line l2 = _Tg.CreateLine(basePoint, xAxis.AsVector());

                Line l3 = _Tg.CreateLine(endPoint, xAxis.AsVector());

                Point p1 = l1.IntersectWithCurve(l2, 0.0001)[1] as Point;
                Point p2 = l1.IntersectWithCurve(l3, 0.0001)[1] as Point;

                Point p3 = _Tg.CreatePoint(
                    p2.X - xAxis.X * revDepth,
                    p2.Y - xAxis.Y * revDepth,
                    p2.Z - xAxis.Z * revDepth);

                Point p4 = _Tg.CreatePoint(
                    p1.X - xAxis.X * revDepth,
                    p1.Y - xAxis.Y * revDepth,
                    p1.Z - xAxis.Z * revDepth);

                SketchPoint skp1 = sketch.SketchPoints.Add(
                    sketch.ModelToSketchSpace(p1), false);

                SketchPoint skp2 = sketch.SketchPoints.Add(
                    sketch.ModelToSketchSpace(p2), false);

                SketchPoint skp3 = sketch.SketchPoints.Add(
                    sketch.ModelToSketchSpace(p3), false);

                SketchPoint skp4 = sketch.SketchPoints.Add(
                    sketch.ModelToSketchSpace(p4), false);

                sketch.SketchLines.AddByTwoPoints(skp1, skp2);
                sketch.SketchLines.AddByTwoPoints(skp2, skp3);
                sketch.SketchLines.AddByTwoPoints(skp3, skp4);
                sketch.SketchLines.AddByTwoPoints(skp4, skp1);

                Profile profile = sketch.Profiles.AddForSolid(true,
                                                              null, null);

                RevolveFeature rev1 =
                    compDef.Features.RevolveFeatures.AddFull(
                        profile,
                        yWa,
                        PartFeatureOperationEnum.kCutOperation);

                sketch = compDef.Sketches.AddWithOrientation(wpl,
                                                             xWa, true, true, wpt, false);

                skp1 = sketch.SketchPoints.Add(
                    sketch.ModelToSketchSpace(p1), false);

                skp2 = sketch.SketchPoints.Add(
                    sketch.ModelToSketchSpace(p2), false);

                skp3 = sketch.SketchPoints.Add(
                    sketch.ModelToSketchSpace(p3), false);

                skp4 = sketch.SketchPoints.Add(
                    sketch.ModelToSketchSpace(p4), false);

                sketch.SketchLines.AddByTwoPoints(skp1, skp2);
                sketch.SketchLines.AddByTwoPoints(skp2, skp3);
                sketch.SketchLines.AddByTwoPoints(skp3, skp4);
                sketch.SketchLines.AddByTwoPoints(skp4, skp1);

                profile = sketch.Profiles.AddForSolid(true, null, null);

                RevolveFeature rev2 =
                    compDef.Features.RevolveFeatures.AddFull(
                        profile,
                        yWa,
                        PartFeatureOperationEnum.kNewBodyOperation);

                return(true);
            }
            catch
            {
                return(false);
            }
        }
Esempio n. 20
0
        private void Button_ok_Click(object sender, EventArgs e)
        {
            // references to some useful objects
            TransientGeometry geom = m_inventorApplication.TransientGeometry;
            //PartDocument document = m_inventorApplication.ActiveDocument as PartDocument;
            //_Document document = m_inventorApplication.ActiveDocument;


            /*
             * if (document == null)
             * {
             *  AssemblyDocument asm = m_inventorApplication.ActiveDocument as AssemblyDocument;
             *  m_inventorApplication.ActiveDocument;
             * }
             */

            PartComponentDefinition def;   // = document.ComponentDefinition;
            UnitsOfMeasure          units; // = document.UnitsOfMeasure;
            UserParameters          user_params;
            Document document = m_inventorApplication.ActiveDocument;

            if (m_inventorApplication.ActiveDocument is AssemblyDocument)
            {
                AssemblyDocument doc  = m_inventorApplication.ActiveDocument as AssemblyDocument;
                PartDocument     part = doc.ActivatedObject as PartDocument;

                if (part == null)
                {
                    m_inventorApplication.ErrorManager.Show("Please activate a part!", true, false);
                    return;
                }

                def         = part.ComponentDefinition;
                units       = part.UnitsOfMeasure;
                user_params = part.ComponentDefinition.Parameters.UserParameters;
            }
            else if (m_inventorApplication.ActiveDocument is PartDocument)
            {
                PartDocument doc = m_inventorApplication.ActiveDocument as PartDocument;
                def         = doc.ComponentDefinition;
                units       = doc.UnitsOfMeasure;
                user_params = doc.ComponentDefinition.Parameters.UserParameters;
            }
            else
            {
                m_inventorApplication.ErrorManager.Show("Current document is neither an Assembly nor a Part.", true, false);
                return;
            }

            // get and check selected faces
            ObjectsEnumerator JustSelectedEntities = m_selects.SelectedEntities;

            if (JustSelectedEntities.Count == 0)
            {
                m_inventorApplication.ErrorManager.Show("Select at least one planar, rectangular face.", true, false);
                return;
            }

            foreach (Object _f in JustSelectedEntities)
            {
                Face f = _f as Face;
                if (f == null)
                {
                    m_inventorApplication.ErrorManager.Show("Somehow, you managed to select something that isn't a face. This should not happen, please report it.", true, false);
                    return;
                }

                if (f.Edges.Count != 4)
                {
                    m_inventorApplication.ErrorManager.Show("Please only select rectangular faces.", true, false);
                    return;
                }
            }

            // TODO: catch exception when invalid was is entered
            UserParameter tab_user_constr;

            if (m_dialog.mode_count.Checked)
            {
                tab_user_constr = user_params.AddByExpression("tab_count", m_dialog.tab_size_input.Text, UnitsTypeEnum.kUnitlessUnits);
            }
            else
            {
                tab_user_constr = user_params.AddByExpression("tab_size", m_dialog.tab_size_input.Text, UnitsTypeEnum.kDefaultDisplayLengthUnits);
            }



            int total_operations = JustSelectedEntities.Count;

            WorkAxis[]       extrusion_dir = new WorkAxis[total_operations];
            bool[]           long_edge_dir = new bool[total_operations];
            PlanarSketch[]   all_sketches  = new PlanarSketch[total_operations];
            Profile[]        profile       = new Profile[total_operations];
            ExtrudeFeature[] extrusion     = new ExtrudeFeature[total_operations];
            TwoPointDistanceDimConstraint[] tab_length_constr     = new TwoPointDistanceDimConstraint[total_operations];
            TwoPointDistanceDimConstraint[] tab_widthdepth_constr = new TwoPointDistanceDimConstraint[total_operations];
            TwoPointDistanceDimConstraint[] total_length_constr   = new TwoPointDistanceDimConstraint[total_operations];
            RectangularPatternFeature[]     rect_pattern          = new RectangularPatternFeature[total_operations];

            Transaction transaction = m_inventorApplication.TransactionManager.StartTransaction(m_inventorApplication.ActiveDocument, "LaserTab");

            // create extrusion feature for each face
            int i = 0;

            foreach (Object _f in JustSelectedEntities)
            {
                Face f = _f as Face;

                if (_f is FaceProxy)
                {
                    f = ((FaceProxy)_f).NativeObject;
                }

                // TODO: make sure active document is a partDocument and ActiveEditObject is not a sketch (should be also a partDocument?)
                // TODO: wrap it all into a ClientFeature
                // TODO: maybe also wrap it in a Transaction?



                // create sketch

                PlanarSketch sketch = def.Sketches.Add(f, false); // don't project anything
                //PlanarSketch sketch = def.Sketches.Add(f, true); // project existing geometry
                //PlanarSketch sketch = def.Sketches.AddWithOrientation(f, long_edge, true, true, long_edge.StartVertex, true);

                Edge   short_edge, long_edge;
                Vertex vert_origin, vert_short_end, vert_long_end;
                determine_orientation(f, out long_edge, out short_edge, out vert_origin, out vert_long_end, out vert_short_end);

                // remember wheter 'long_edge' starts or stops at 'P_orig' (which is important for the direction of the rectangular pattern)
                long_edge_dir[i] = long_edge.StartVertex == vert_origin;
                extrusion_dir[i] = def.WorkAxes.AddByLine(long_edge, true);

                // project important points
                SketchPoint P_orig  = sketch.AddByProjectingEntity(vert_origin) as SketchPoint;
                SketchPoint P_long  = sketch.AddByProjectingEntity(vert_long_end) as SketchPoint;
                SketchPoint P_short = sketch.AddByProjectingEntity(vert_short_end) as SketchPoint; // fails! :(


                // driven constraint of short dimension (determining thickness and depth of tab)
                tab_widthdepth_constr[i] = sketch.DimensionConstraints.AddTwoPointDistance(
                    P_orig, P_short, DimensionOrientationEnum.kAlignedDim,
                    P_short.Geometry, true);

                // driven constraint of long dimenstion (determining number/size of tabs)
                total_length_constr[i] = sketch.DimensionConstraints.AddTwoPointDistance(
                    P_orig, P_long, DimensionOrientationEnum.kAlignedDim,
                    P_long.Geometry, true);



                // appearantly, Profiles.AddForSolid() doesn't like lines that are made entirely out of projected points... (maybe because the line already exists?)
                SketchPoint P_orig_proj = P_orig, P_short_proj = P_short;

                P_short = sketch.SketchPoints.Add(P_short_proj.Geometry, false);
                P_orig  = sketch.SketchPoints.Add(P_orig_proj.Geometry, false);


                // create dimension constraints

                // TODO: calculate better position for text label



                //Debug.Print("constraint short: {0} = {1}", constr_short.Parameter.Expression, constr_short.Parameter.Value);
                //Debug.Print("constraint long: {0} = {1}", constr_long.Parameter.Expression, constr_long.Parameter.Value);

                // create endpoint for rectangle
                Point2d P_end2 = P_short.Geometry.Copy();
                Point2d P_end1 = P_orig.Geometry.Copy();

                Vector2d long_direction = P_orig.Geometry.VectorTo(P_long.Geometry);
                long_direction.ScaleBy(0.2);

                P_end1.TranslateBy(long_direction);
                P_end2.TranslateBy(long_direction);

                SketchPoint P_end1_sk = sketch.SketchPoints.Add(P_end1, false);
                SketchPoint P_end2_sk = sketch.SketchPoints.Add(P_end2, false);

                // constrain endpoints properly
                //sketch.GeometricConstraints.AddCoincident((SketchEntity)long_line2, (SketchEntity)P_end2_sk);
                //sketch.GeometricConstraints.AddCoincident((SketchEntity)long_line, (SketchEntity)P_end1_sk);

                // constraint for tab length (twice, once for each side of the rectangle)
                TwoPointDistanceDimConstraint tab_len_constraint1 = sketch.DimensionConstraints.AddTwoPointDistance(P_orig, P_end1_sk, DimensionOrientationEnum.kAlignedDim, P_end1);
                TwoPointDistanceDimConstraint tab_len_constraint2 = sketch.DimensionConstraints.AddTwoPointDistance(P_short, P_end2_sk, DimensionOrientationEnum.kAlignedDim, P_end2);
                tab_length_constr[i] = tab_len_constraint1;

                // {0}: total length
                // {1}: user input (count or length of single tab)

                string expr;
                if (m_dialog.mode_count.Checked)
                {
                    if (m_dialog.force_parity.Checked)
                    {
                        if (m_dialog.parity_even.Checked)
                        {
                            expr = "{0} / ( round({1}/2)*2 )";
                        }
                        else
                        {
                            expr = "{0} / ( round( ({1}+1)/2 )*2 - 1 )";
                        }
                    }
                    else
                    {
                        expr = "{0} / {1}";
                    }
                }
                else
                {
                    // TODO: take dropdown of >/</~ into account
                    if (m_dialog.force_parity.Checked)
                    {
                        if (m_dialog.parity_even.Checked)
                        {
                            expr = "{0} / ( round( {0}/{1}/2 )*2 )";
                        }
                        else
                        {
                            expr = "{0} / ( round( ({0}/{1}+1)/2 )*2 - 1)";
                        }
                    }
                    else
                    {
                        expr = "{0} / round({0}/{1})";
                    }
                }

                tab_len_constraint1.Parameter.Expression = string.Format(expr, total_length_constr[i].Parameter.Name, tab_user_constr.Name);
                tab_len_constraint2.Parameter.Expression = tab_len_constraint1.Parameter.Name;

                // create a rectangle based on these points
                // two-point rectangle is always axis-aligned -> doesn't work for rotated stuff
                //SketchEntitiesEnumerator rect = sketch.SketchLines.AddAsTwoPointRectangle(P_orig, P_end_sk);
                // this is cumbersome, as the third point is transient and therefore the rectangle would have to be constrained afterwards
                //SketchEntitiesEnumerator rect = sketch.SketchLines.AddAsThreePointRectangle(P_orig, P_short, P_end);


                ObjectCollection rect = m_inventorApplication.TransientObjects.CreateObjectCollection();
                rect.Add(sketch.SketchLines.AddByTwoPoints(P_orig, P_end1_sk));
                rect.Add(sketch.SketchLines.AddByTwoPoints(P_end1_sk, P_end2_sk));
                rect.Add(sketch.SketchLines.AddByTwoPoints(P_end2_sk, P_short));
                rect.Add(sketch.SketchLines.AddByTwoPoints(P_short, P_orig));

                // constrain rectangle

                if (m_dialog.offset.Checked)
                {
                    sketch.GeometricConstraints.AddCoincident((SketchEntity)rect[1], (SketchEntity)P_orig_proj);
                    sketch.GeometricConstraints.AddCoincident((SketchEntity)rect[3], (SketchEntity)P_short_proj);
                    sketch.GeometricConstraints.AddPerpendicular((SketchEntity)rect[1], (SketchEntity)rect[2]);

                    TwoPointDistanceDimConstraint offset_dist = sketch.DimensionConstraints.AddTwoPointDistance(P_orig, P_orig_proj, DimensionOrientationEnum.kAlignedDim, P_orig_proj.Geometry);
                    offset_dist.Parameter.Expression = tab_len_constraint1.Parameter.Name;
                }
                else
                {
                    sketch.GeometricConstraints.AddCoincident((SketchEntity)P_short, (SketchEntity)P_short_proj);
                    sketch.GeometricConstraints.AddCoincident((SketchEntity)P_orig, (SketchEntity)P_orig_proj);
                }

                sketch.GeometricConstraints.AddCoincident((SketchEntity)rect[1], (SketchEntity)P_long);
                sketch.GeometricConstraints.AddParallel((SketchEntity)rect[1], (SketchEntity)rect[3]);

                profile[i]      = sketch.Profiles.AddForSolid(false, rect);
                all_sketches[i] = sketch;

                i++;
            }

            // do extrusions
            for (i = 0; i < total_operations; i++)
            {
                string dist_expr;
                if (m_dialog.auto_depth.Checked)
                {
                    // use thickness of material
                    dist_expr = tab_widthdepth_constr[i].Parameter.Name;
                }
                else
                {
                    // use user input
                    // TODO: validate!
                    dist_expr = m_dialog.tab_depth_input.Text;
                }

                PartFeatureExtentDirectionEnum dir;
                PartFeatureOperationEnum       op;
                if (m_dialog.extrude_positive.Checked)
                {
                    dir = PartFeatureExtentDirectionEnum.kPositiveExtentDirection;
                    op  = PartFeatureOperationEnum.kJoinOperation;
                }
                else
                {
                    dir = PartFeatureExtentDirectionEnum.kNegativeExtentDirection;
                    op  = PartFeatureOperationEnum.kCutOperation;
                }

                // extrude said rectangle
                ExtrudeDefinition extrusion_def = def.Features.ExtrudeFeatures.CreateExtrudeDefinition(profile[i], op);
                extrusion_def.SetDistanceExtent(dist_expr, dir);
                extrusion[i] = def.Features.ExtrudeFeatures.Add(extrusion_def);
            }

            // do rectangular patterns
            for (i = 0; i < total_operations; i++)
            {
                // now repeat that extrusion
                ObjectCollection col = m_inventorApplication.TransientObjects.CreateObjectCollection();
                col.Add(extrusion[i]);

                // TODO: is ceil() actually correct here?
                string offset     = (m_dialog.offset.Checked ? "1" : "0");
                string count_expr = string.Format("ceil(round({0} / {1} - {2}) / 2)", total_length_constr[i].Parameter.Name, tab_length_constr[i].Parameter.Name, offset);


                RectangularPatternFeatureDefinition pattern_def =
                    def.Features.RectangularPatternFeatures.CreateDefinition(
                        col, extrusion_dir[i], long_edge_dir[i], count_expr, tab_length_constr[i].Parameter.Name + "*2");
                // TODO: we could use PatternSpacingType kFitToPathLength here...

                try
                {
                    rect_pattern[i] =
                        def.Features.RectangularPatternFeatures.AddByDefinition(pattern_def);
                }
                catch (Exception ex)
                {
                    Debug.Print("rect pattern failed: {0}", ex.Message);
                    Debug.Print("long edge: {0}, dir: {1}, count_expr = '{2}', len = '{3}'", extrusion_dir[i], long_edge_dir[i], count_expr, tab_length_constr[i].Parameter.Name + "*2");
                    transaction.End();
                    return;
                }
            }


            stop_selection();

            // create custom feature (called a ClientFeature by Inventor) containing all our sketches, extrusions and patterns in a single node

            object start_element;

            if (total_operations == 1)
            {
                // if there is only a single operation, the tree looks like this:

                /*
                 * - extrusion 1 (consumed sketch 1)
                 * - pattern 1
                 */
                start_element = extrusion[0];
            }
            else
            {
                // if there are multiple operations, the sketch is not consumed by the extrusion
                // and the tree looks like this:

                /*
                 * - sketch 1
                 * - sketch 2
                 * - extrusion 1
                 * - extrusion 2
                 * - pattern 1
                 * - pattern 2
                 */
                start_element = all_sketches[0];
            }

            ClientFeatureDefinition feature_def = def.Features.ClientFeatures.CreateDefinition("LaserTab", start_element, rect_pattern[total_operations - 1]);
            ClientFeature           feature     = def.Features.ClientFeatures.Add(feature_def, "{0defbf22-e302-4266-9bc9-fb80d5c8eb7e}");

            // load the icon for our custom feature if not done so already
            if (m_browser_icon == null)
            {
                stdole.IPictureDisp icon = PictureConverter.ImageToPictureDisp(Properties.Resources.browser_icon_16);
                m_browser_icon = document.BrowserPanes.ClientNodeResources.Add("{0defbf22-e302-4266-9bc9-fb80d5c8eb7e}", -1, icon);
            }

            NativeBrowserNodeDefinition ndef = document.BrowserPanes[1].GetBrowserNodeFromObject(feature).BrowserNodeDefinition as NativeBrowserNodeDefinition;

            ndef.OverrideIcon = m_browser_icon;

            transaction.End();
        }