org.simantics.plant3d/src/org/simantics/plant3d/utils/ComponentUtils.java

   1 package org.simantics.plant3d.utils;
   2
   3 import java.util.ArrayList;
   4 import java.util.HashMap;
   5 import java.util.List;
   6 import java.util.Map;
   7
   8 import javax.vecmath.Point3d;
   9 import javax.vecmath.Vector3d;
  10
  11 import org.simantics.Simantics;
  12 import org.simantics.db.ReadGraph;
  13 import org.simantics.db.Resource;
  14 import org.simantics.db.common.request.ReadRequest;
  15 import org.simantics.db.common.utils.NameUtils;
  16 import org.simantics.db.exception.DatabaseException;
  17 import org.simantics.g3d.math.MathTools;
  18 import org.simantics.g3d.scenegraph.GeometryProvider;
  19 import org.simantics.layer0.Layer0;
  20 import org.simantics.plant3d.ontology.Plant3D;
  21 import org.simantics.plant3d.scenegraph.EndComponent;
  22 import org.simantics.plant3d.scenegraph.Equipment;
  23 import org.simantics.plant3d.scenegraph.InlineComponent;
  24 import org.simantics.plant3d.scenegraph.Nozzle;
  25 import org.simantics.plant3d.scenegraph.P3DRootNode;
  26 import org.simantics.plant3d.scenegraph.PipeRun;
  27 import org.simantics.plant3d.scenegraph.PipelineComponent;
  28 import org.simantics.plant3d.scenegraph.TurnComponent;
  29 import org.simantics.plant3d.scenegraph.controlpoint.PipeControlPoint;
  30 import org.simantics.plant3d.scenegraph.controlpoint.PipeControlPoint.Direction;
  31 import org.simantics.plant3d.scenegraph.controlpoint.PipeControlPoint.PositionType;
  32 import org.simantics.plant3d.scenegraph.controlpoint.PipingRules;
  33
  34 public class ComponentUtils {
  35
  36
  37         private static Map<String,Class<? extends PipelineComponent>> clazzes = new HashMap<String, Class<? extends PipelineComponent>>();
  38         private static Map<String,GeometryProvider> providers = new HashMap<String,GeometryProvider>();
  39         private static Map<String,String> names = new HashMap<String,String>();
  40
  41         public static void preloadCache() {
  42                 Simantics.getSession().asyncRequest(new ReadRequest() {
  43
  44                         @Override
  45                         public void run(ReadGraph graph) throws DatabaseException {
  46                                 List<String> types = new ArrayList<String>();
  47                                 types.add(Plant3D.URIs.Builtin_Straight);
  48                                 types.add(Plant3D.URIs.Builtin_Elbow);
  49                                 types.add(Plant3D.URIs.Builtin_ConcentricReducer);
  50                                 types.add(Plant3D.URIs.Builtin_BranchSplitComponent);
  51                                 types.add(Plant3D.URIs.Builtin_EccentricReducer);
  52
  53                                 for (String typeURI : types) {
  54                                         load(graph, typeURI);
  55                                 }
  56                         }
  57                 });
  58         }
  59
  60         private static GeometryProvider getProvider(ReadGraph graph, Resource type) throws DatabaseException {
  61
  62                 Layer0 l0 = Layer0.getInstance(graph);
  63                 Plant3D p3d = Plant3D.getInstance(graph);
  64                 Resource geom = graph.getPossibleObject(type,p3d.hasGeometry);
  65                 if (geom == null) {
  66                         for (Resource a : graph.getObjects(type, l0.Asserts)) {
  67                                 if (p3d.hasGeometry.equals(graph.getPossibleObject(a, l0.HasPredicate))) {
  68                                         geom = graph.getPossibleObject(a, l0.HasObject);
  69                                         break;
  70                                 }
  71                         }
  72                 }
  73                 if (geom != null) {
  74                         GeometryProvider provider = graph.adapt(geom, GeometryProvider.class);
  75                         return provider;
  76                 }
  77                 return null;
  78         }
  79
  80         private static Class<? extends PipelineComponent> getClazz(ReadGraph graph, Resource type) throws DatabaseException {
  81                 Plant3D p3d = Plant3D.getInstance(graph);
  82                 if (graph.isInheritedFrom(type, p3d.InlineComponent))
  83                         return InlineComponent.class;
  84                 if (graph.isInheritedFrom(type, p3d.TurnComponent))
  85                         return TurnComponent.class;
  86                 if (graph.isInheritedFrom(type, p3d.EndComponent))
  87                         return EndComponent.class;
  88                 if (graph.isInheritedFrom(type, p3d.Nozzle))
  89                         return Nozzle.class;
  90                 return null;
  91         }
  92
  93         private static void load(ReadGraph graph, String typeURI) throws DatabaseException {
  94                 Plant3D p3d = Plant3D.getInstance(graph);
  95                 Resource type = graph.getResource(typeURI);
  96
  97                 GeometryProvider provider = getProvider(graph, type);
  98                 if (provider != null || graph.hasStatement(type,p3d.NonVisibleComponent)) {
  99                         providers.put(typeURI, provider);
 100                         if (graph.isInheritedFrom(type, p3d.PipelineComponent))
 101                                 clazzes.put(typeURI,getClazz(graph, type));
 102                         names.put(typeURI, NameUtils.getSafeName(graph, type));
 103                         return;
 104                 }
 105                 throw new DatabaseException("Cannot find component for " + typeURI);
 106         }
 107
 108         private static void load(final String typeURI) throws DatabaseException {
 109                 Simantics.getSession().syncRequest(new ReadRequest() {
 110
 111                         @Override
 112                         public void run(ReadGraph graph) throws DatabaseException {
 113                                 load(graph,typeURI);
 114                         }
 115                 });
 116         }
 117
 118         /**
 119          * Creates a component
 120          *
 121          * Does not set the name or add the component to a piperun.
 122          * @param root
 123          * @param typeURI
 124          * @return
 125          * @throws Exception
 126          */
 127         public static PipelineComponent createComponent(P3DRootNode root, String typeURI) throws Exception {
 128                 Class<? extends PipelineComponent> type = clazzes.get(typeURI);
 129                 GeometryProvider provider = providers.get(typeURI);
 130                 if (type == null || provider == null) {
 131                         load(typeURI);
 132                         type = clazzes.get(typeURI);
 133                         provider = providers.get(typeURI);
 134                 }
 135                 //PipelineComponent component = type.newInstance();
 136                 PipelineComponent component = null;
 137                 if (type == InlineComponent.class) {
 138                         component = root.createInline();
 139                 } else if (type == TurnComponent.class) {
 140                         component = root.createTurn();
 141                 } else if (type == EndComponent.class) {
 142                         component = root.createTurn();
 143                 } else if (type == Nozzle.class) {
 144                         component = root.createNozzle();
 145                 }
 146                 component.setType(typeURI);
 147                 component.setGeometry(provider);
 148                 return component;
 149         }
 150
 151         /**
 152          * Creates a equipment
 153          *
 154          * Does not set the name
 155          *
 156          * @param root
 157          * @param typeURI
 158          * @return
 159          * @throws Exception
 160          */
 161
 162         public static Equipment createEquipment(P3DRootNode root, String typeURI) throws Exception {
 163                 GeometryProvider provider = providers.get(typeURI);
 164                 if (provider == null) {
 165                         load(typeURI);
 166                         provider = providers.get(typeURI);
 167                 }
 168                 Equipment equipment = root.createEquipment();
 169                 equipment.setType(typeURI);
 170                 equipment.setGeometry(provider);
 171                 root.addChild(equipment);
 172                 return equipment;
 173         }
 174
 175         public static InlineComponent createStraight(P3DRootNode root) throws Exception{
 176                 InlineComponent component = root.createInline();
 177                 component.setType(Plant3D.URIs.Builtin_Straight);
 178                 component.setGeometry(providers.get(Plant3D.URIs.Builtin_Straight));
 179                 return component;
 180         }
 181
 182         public static TurnComponent createTurn(P3DRootNode root) throws Exception {
 183                 TurnComponent elbow = root.createTurn();
 184                 elbow.setType(Plant3D.URIs.Builtin_Elbow);
 185                 elbow.setGeometry(providers.get(Plant3D.URIs.Builtin_Elbow));
 186                 return elbow;
 187         }
 188
 189         public static InlineComponent createReducer(P3DRootNode root) throws Exception {
 190                 InlineComponent component = root.createInline();
 191                 component.setType(Plant3D.URIs.Builtin_ConcentricReducer);
 192                 component.setGeometry(providers.get(Plant3D.URIs.Builtin_ConcentricReducer));
 193                 return component;
 194         }
 195
 196         public static InlineComponent createBranchSplit(P3DRootNode root) throws Exception {
 197                 InlineComponent component = root.createInline();
 198                 component.setType(Plant3D.URIs.Builtin_BranchSplitComponent);
 199                 return component;
 200         }
 201
 202         public static Equipment createEquipment(P3DRootNode root, Item equipmentType) throws Exception {
 203                 Equipment equipment = createEquipment(root, equipmentType.getUri());
 204                 String n = root.getUniqueName(equipmentType.getName());
 205                 equipment.setName(n);
 206                 return equipment;
 207         }
 208
 209
 210
 211         public static Nozzle createDefaultNozzle(P3DRootNode root, Equipment equipment) throws Exception {
 212                 return createNozzle(root, equipment, new Item(Plant3D.URIs.Builtin_Nozzle, "Nozzle"));
 213         }
 214
 215         public static Nozzle createNozzle(P3DRootNode root, Equipment equipment, Item nozzleType) throws Exception {
 216                 Nozzle nozzle = root.createNozzle();
 217                 nozzle.setType(nozzleType.getUri());
 218                 String n = root.getUniqueName(nozzleType.getName());
 219                 nozzle.setName(n);
 220                 PipeRun pipeRun = new PipeRun();
 221                 n = root.getUniqueName("PipeRun");
 222                 pipeRun.setName(n);
 223                 nozzle.setPipeRun(pipeRun);
 224
 225                 equipment.addChild(nozzle);
 226                 root.addChild(pipeRun);
 227                 // root.getNodeMap().commit("Add nozzle " + n);
 228                 return nozzle;
 229         }
 230
 231         public static class InsertInstruction {
 232                 public String typeUri;
 233
 234                 public PositionType position = PositionType.NEXT;
 235                 public PositionType insertPosition = PositionType.NEXT;
 236
 237                 // Reducer requires pipe specs
 238                 public Double diameter;
 239                 public Double turnRadius;
 240
 241                 // Variable length
 242                 public Double length;
 243
 244                 // Variable angle
 245                 public Double angle;
 246
 247                 public String getTypeUri() {
 248                         return typeUri;
 249                 }
 250
 251                 public void setTypeUri(String typeUri) {
 252                         this.typeUri = typeUri;
 253                 }
 254
 255                 public PositionType getPosition() {
 256                         return position;
 257                 }
 258
 259                 public void setPosition(PositionType position) {
 260                         this.position = position;
 261                 }
 262
 263                 public PositionType getInsertPosition() {
 264                         return insertPosition;
 265                 }
 266
 267                 public void setInsertPosition(PositionType insertPosition) {
 268                         this.insertPosition = insertPosition;
 269                 }
 270
 271                 public Double getDiameter() {
 272                         return diameter;
 273                 }
 274
 275                 public void setDiameter(Double diameter) {
 276                         this.diameter = diameter;
 277                 }
 278
 279                 public Double getTurnRadius() {
 280                         return turnRadius;
 281                 }
 282
 283                 public void setTurnRadius(Double turnRadius) {
 284                         this.turnRadius = turnRadius;
 285                 }
 286
 287                 public Double getLength() {
 288                         return length;
 289                 }
 290
 291                 public void setLength(Double length) {
 292                         this.length = length;
 293                 }
 294
 295                 public Double getAngle() {
 296                         return angle;
 297                 }
 298
 299                 public void setAngle(Double angle) {
 300                         this.angle = angle;
 301                 }
 302
 303         }
 304
 305         public static PipelineComponent addComponent(P3DRootNode root, PipelineComponent component,  InsertInstruction inst) throws Exception {
 306
 307                 PipelineComponent newComponent = ComponentUtils.createComponent(root, inst.typeUri);
 308                 PipeControlPoint newPcp = newComponent.getControlPoint();
 309
 310                 PipeControlPoint toPcp = component.getControlPoint();
 311                 PipeRun pipeRun = toPcp.getPipeRun();
 312
 313                 String typeName = names.get(inst.typeUri);
 314                 if (typeName == null)
 315                         typeName = "Component";
 316
 317                 Vector3d dir = null;
 318                 Vector3d pos = null;
 319
 320                 PositionType position = inst.position;
 321                 PositionType insertPosition = inst.insertPosition;
 322                 boolean lengthAdjustable = false;
 323                 if (newComponent instanceof InlineComponent) {
 324                         lengthAdjustable = ((InlineComponent)newComponent).isVariableLength();
 325                 }
 326                 boolean insertAdjustable = false;
 327                 if (component instanceof InlineComponent) {
 328                         insertAdjustable = ((InlineComponent)component).isVariableLength();
 329                 }
 330                 boolean sizeChange = false;
 331                 if (newComponent instanceof InlineComponent) {
 332                         sizeChange = ((InlineComponent)newComponent).isSizeChange();
 333                 }
 334
 335                 if (toPcp.isInline()) {
 336                         switch (position) {
 337                         case NEXT:
 338                                 if (toPcp.isDualInline()) {
 339                                         toPcp = toPcp.getSubPoint().get(0);
 340                                         pipeRun = toPcp.getPipeRun();
 341                                 }
 342
 343                                 break;
 344                         case PREVIOUS:
 345                                 if (toPcp.isDualSub()) {
 346                                         toPcp = toPcp.parent;
 347                                         pipeRun = toPcp.getPipeRun();
 348                                 }
 349                                 break;
 350                         }
 351                         Vector3d start = new Vector3d();
 352                         Vector3d end = new Vector3d();
 353                         dir = new Vector3d();
 354                         toPcp.getInlineControlPointEnds(start, end, dir);
 355                         dir.normalize();
 356                         switch (position) {
 357                         case NEXT:
 358                                 pos = new Vector3d(end);
 359                                 break;
 360                         case PREVIOUS:
 361                                 pos = new Vector3d(start);
 362                                 break;
 363                         case SPLIT:
 364                                 pos = new Vector3d(toPcp.getWorldPosition());
 365                                 break;
 366                         }
 367
 368                 } else if (toPcp.isDirected()) {
 369                         dir = new Vector3d(toPcp.getDirection(Direction.NEXT));
 370                         pos = new Vector3d(toPcp.getWorldPosition());
 371                 } else if (toPcp.isTurn() && toPcp.isFixed()) {
 372                         dir = new Vector3d(toPcp.getDirection(position == PositionType.NEXT ? Direction.NEXT : Direction.PREVIOUS));
 373                         pos = new Vector3d(toPcp.getWorldPosition());
 374                         if (!lengthAdjustable) {
 375                                 Vector3d v = new Vector3d(dir);
 376                                 v.scale(toPcp.getInlineLength());
 377                                 pos.add(v);
 378                         } else {
 379                                 if (insertPosition == PositionType.NEXT) {
 380                                         Vector3d v = new Vector3d(dir);
 381                                         v.scale(toPcp.getInlineLength());
 382                                         pos.add(v);
 383                                 } else if (insertPosition == PositionType.SPLIT) {
 384                                         // scale 0.5*length so that we don't remove the length twice from the new component
 385                                         Vector3d v = new Vector3d(dir);
 386                                         v.scale(toPcp.getInlineLength()*0.5);
 387                                         pos.add(v);
 388                                 }
 389                         }
 390                 }
 391
 392
 393                 if (!sizeChange) {
 394                         String name = component.getPipeRun().getUniqueName(typeName);
 395                         newComponent.setName(name);
 396
 397                         pipeRun.addChild(newComponent);
 398                         // TODO: these options are not stored into DB. Should they?!
 399                         if (newComponent instanceof InlineComponent && ((InlineComponent)newComponent).isVariableLength()) {
 400                                 newPcp.setLength(inst.length);
 401                         } else if (newComponent instanceof TurnComponent && ((TurnComponent)newComponent).isVariableAngle()) {
 402                                 newPcp.setTurnAngle(inst.angle);
 403                         }
 404
 405                         newComponent.updateParameters();
 406
 407                         Vector3d v = new Vector3d(dir);
 408                         if (insertAdjustable) {
 409                                 if (insertPosition == PositionType.NEXT)
 410                                         v.scale(newComponent.getControlPoint().getInlineLength());
 411                                 else if (insertPosition == PositionType.SPLIT)
 412                                         v.set(0, 0, 0);
 413                                 else if (insertPosition == PositionType.PREVIOUS)
 414                                         v.scale(-newComponent.getControlPoint().getInlineLength());
 415                         } else {
 416                                 v.scale(newComponent.getControlPoint().getInlineLength());
 417                         }
 418                         switch (position) {
 419                         case NEXT:
 420                                 pos.add(v);
 421                                 break;
 422                         case PREVIOUS:
 423                                 pos.sub(v);
 424                                 break;
 425                         case SPLIT:
 426                                 break;
 427                         }
 428
 429                         switch (position) {
 430                         case NEXT:
 431                                 if (toPcp.isDualInline())
 432                                         toPcp = toPcp.getSubPoint().get(0);
 433                                 newPcp.insert(toPcp, Direction.NEXT);
 434                                 newPcp.setWorldPosition(pos);
 435                                 break;
 436                         case PREVIOUS:
 437                                 if (toPcp.isDualSub())
 438                                         toPcp = toPcp.parent;
 439                                 newPcp.insert(toPcp, Direction.PREVIOUS);
 440                                 newPcp.setWorldPosition(pos);
 441                                 break;
 442                         case SPLIT:
 443                                 PipingRules.splitVariableLengthComponent(newComponent, (InlineComponent)component, true);
 444                         }
 445                 } else {
 446                         PipeRun other = new PipeRun();
 447                         String n = root.getUniqueName("PipeRun");
 448                         other.setName(n);
 449                         other.setPipeDiameter(inst.diameter);
 450                         other.setTurnRadius(inst.turnRadius);
 451                         root.addChild(other);
 452
 453
 454                         if (position == PositionType.NEXT) {
 455                                 PipingRules.addSizeChange(false, pipeRun, other, (InlineComponent)newComponent, toPcp, null);
 456                         } else if (position == PositionType.PREVIOUS){
 457                                 PipingRules.addSizeChange(true, pipeRun, other, (InlineComponent)newComponent, toPcp, null);
 458                         }
 459                         newPcp.setWorldPosition(pos);
 460                         // TODO : chicken-egg problem
 461                         newComponent.updateParameters();
 462                         Vector3d v = new Vector3d(dir);
 463                         v.scale(newComponent.getControlPoint().getLength()*0.5);
 464                         switch (position) {
 465                         case NEXT:
 466                                 pos.add(v);
 467                                 break;
 468                         case PREVIOUS:
 469                                 pos.sub(v);
 470                                 break;
 471                         case SPLIT:
 472                                 break;
 473                         }
 474                         newPcp.setWorldPosition(pos);
 475
 476                 }
 477
 478
 479                 return newComponent;
 480         }
 481         public static boolean connect(PipelineComponent current, PipelineComponent endTo) throws Exception {
 482                 return connect(current, endTo, null, null);
 483         }
 484
 485         /**
 486          * Connects component to another component
 487          * @param current
 488          * @param endTo
 489          * @param endType
 490          * @param position
 491          * @return
 492          * @throws Exception
 493          */
 494         public static boolean connect(PipelineComponent current, PipelineComponent endTo, PositionType endType, Vector3d position) throws Exception{
 495                 PipeControlPoint endCP = endTo.getControlPoint();
 496                 boolean reversed;
 497                 if (current.getNext() == null)
 498                         reversed = false;
 499                 else if (current.getPrevious() == null)
 500                         reversed = true;
 501                 else
 502                         return false;
 503
 504                 PipeRun pipeRun = current.getPipeRun();
 505                 P3DRootNode root = (P3DRootNode)current.getRootNode();
 506                 PipeControlPoint currentCP = current.getControlPoint();
 507
 508                 if (endType == null || endType == PositionType.NEXT || endType == PositionType.PREVIOUS) {
 509
 510
 511
 512                         boolean requiresReverse = false;
 513                         if (!reversed && endCP.getPrevious() != null) {
 514                                 if (endCP.getNext() != null)
 515                                         return false;
 516                                 requiresReverse = true;
 517                         } else if (reversed && endCP.getNext() != null) {
 518                                 if (endCP.getPrevious() != null)
 519                                         return false;
 520                                 requiresReverse = true;
 521                         }
 522                         PipeRun other = endCP.getPipeRun();
 523                         boolean mergeRuns = other == null ? true : pipeRun.equalSpecs(other);
 524
 525                         if (requiresReverse) {
 526                                 // Pipe line must be traversible with next/previous relations without direction change.
 527                                 // Now the component, where we are connecting the created pipeline is defined in different order.
 528                                 PipingRules.reverse(other);
 529
 530                         }
 531                         if (mergeRuns) {
 532                                 // Runs have compatible specs and must be merged
 533                                 if (other != null && pipeRun != other)
 534                                         PipingRules.merge(pipeRun, other);
 535                                 else if (other == null) {
 536                                         if (!(endTo instanceof Nozzle)) {
 537                                                 pipeRun.addChild(endTo);
 538                                         } else {
 539                                                 endTo.setPipeRun(pipeRun);
 540                                         }
 541                                 }
 542                                 if (!reversed) {
 543                                         currentCP.setNext(endCP);
 544                                         endCP.setPrevious(currentCP);
 545                                 } else {
 546                                         currentCP.setPrevious(endCP);
 547                                         endCP.setNext(currentCP);
 548                                 }
 549                         } else {
 550                                 // Runs do not have compatible specs, and a reducer must be attached in between.
 551                                 InlineComponent reducer = ComponentUtils.createReducer(root);
 552                                 PipeControlPoint pcp = reducer.getControlPoint();
 553                                 PipeControlPoint ocp = pcp.getSubPoint().get(0);
 554
 555                                 Vector3d endPos = endCP.getWorldPosition();
 556                                 Vector3d currentPos = currentCP.getWorldPosition();
 557                                 Vector3d v = new Vector3d(endPos);
 558                                 v.sub(currentPos);
 559                                 v.scale(0.5);
 560                                 v.add(currentPos);
 561
 562                                 PipingRules.addSizeChange(reversed, pipeRun, other, reducer, currentCP, endCP);
 563
 564                                 pcp.setWorldPosition(v);
 565                                 reducer.updateParameters();
 566                         }
 567                         PipingRules.positionUpdate(endCP);
 568                         return true;
 569
 570                 } else if (endType == PositionType.SPLIT) {
 571                         InlineComponent branchSplit = createBranchSplit((InlineComponent)endTo, position);
 572                         if (branchSplit == null)
 573                                 return false;
 574                         PipeControlPoint branchSplitCP = branchSplit.getControlPoint();
 575                         PipeControlPoint pcp = new PipeControlPoint(branchSplit,pipeRun);
 576                         branchSplitCP.children.add(pcp);
 577                         pcp.parent = branchSplitCP;
 578                         pcp.setWorldOrientation(branchSplitCP.getWorldOrientation());
 579                         pcp.setWorldPosition(branchSplitCP.getWorldPosition());
 580
 581
 582                         if(!reversed) {
 583                                 pcp.setPrevious(currentCP);
 584                                 currentCP.setNext(pcp);
 585                         } else {
 586                                 pcp.setNext(currentCP);
 587                                 currentCP.setPrevious(pcp);
 588                         }
 589                         PipingRules.positionUpdate(endCP);
 590                         return true;
 591                 }
 592                 return false;
 593         }
 594
 595         public static InlineComponent createBranchSplit(InlineComponent component, Vector3d pos) throws Exception{
 596                 if (!component.isVariableLength())
 597                         return null;
 598                 PipeRun pipeRun = component.getPipeRun();
 599                 Vector3d sStart = new Vector3d();
 600                 Vector3d sEnd = new Vector3d();
 601                 component.getControlPoint().getInlineControlPointEnds(sStart, sEnd);
 602
 603                 if (MathTools.distance(sStart, sEnd) < (pipeRun.getPipeDiameter()*0.5))
 604                         return null;
 605
 606
 607                 Vector3d p = MathTools.closestPointOnEdge(new Vector3d(pos), sStart, sEnd);
 608                 if (p == sStart) {
 609                         Vector3d v = new Vector3d(sEnd);
 610                         v.sub(sStart);
 611                         v.normalize();
 612                         v.scale(component.getPipeRun().getPipeDiameter()*0.5);
 613                         p.add(v);
 614                 } else if (p == sEnd) {
 615                         Vector3d v = new Vector3d(sStart);
 616                         v.sub(sEnd);
 617                         v.normalize();
 618                         v.scale(component.getPipeRun().getPipeDiameter()*0.5);
 619                         p.add(v);
 620                 }
 621
 622                 P3DRootNode root = (P3DRootNode)component.getRootNode();
 623                 InlineComponent branchSplit = ComponentUtils.createBranchSplit(root);
 624                 String branchName = component.getPipeRun().getUniqueName("Branch");
 625                 branchSplit.setName(branchName);
 626                 component.getPipeRun().addChild(branchSplit);
 627                 PipeControlPoint branchSplitCP = branchSplit.getControlPoint();
 628                 branchSplitCP.setWorldPosition(p);
 629                 PipingRules.splitVariableLengthComponent(branchSplit, component, false);
 630                 return branchSplit;
 631         }
 632 }