org.simantics.plant3d/src/org/simantics/plant3d/scenegraph/GeometryComponent.java

   1 package org.simantics.plant3d.scenegraph;
   2
   3 import java.util.ArrayList;
   4 import java.util.Collection;
   5 import java.util.Collections;
   6 import java.util.HashMap;
   7 import java.util.HashSet;
   8 import java.util.List;
   9 import java.util.Map;
  10 import java.util.Set;
  11
  12 import org.jcae.opencascade.jni.TopoDS_Shape;
  13 import org.simantics.g3d.math.MathTools;
  14 import org.simantics.g3d.scenegraph.GeometryProvider;
  15 import org.simantics.g3d.scenegraph.MeshProvider;
  16 import org.simantics.g3d.scenegraph.NodeHighlighter.HighlightEventType;
  17 import org.simantics.g3d.scenegraph.ParametricGeometryProvider;
  18 import org.simantics.g3d.shape.Mesh;
  19 import org.simantics.g3d.vtk.common.VtkView;
  20 import org.simantics.g3d.vtk.shape.MeshActor;
  21 import org.simantics.g3d.vtk.shape.vtkMeshObject;
  22 import org.simantics.opencascade.OccTriangulator;
  23 import org.simantics.opencascade.SolidModelProvider;
  24 import org.simantics.opencascade.vtk.vtkSolidObject;
  25
  26 import vtk.vtkActor;
  27 import vtk.vtkProp3D;
  28 import vtk.vtkProperty;
  29
  30 public class GeometryComponent {
  31
  32         private TopoDS_Shape solidModel;
  33         private vtkSolidObject solidObject;
  34         private Mesh mesh;
  35         private vtkMeshObject meshObject;
  36
  37         private Map<String,Object> currentParameters;
  38         private Map<String,Object> calculatedParameters;
  39
  40         private boolean parametersUpdated = true;
  41
  42         private GeometryProvider geometryProvider;
  43
  44         public GeometryComponent() {
  45                 currentParameters = new HashMap<String, Object>();
  46                 calculatedParameters = new HashMap<String, Object>();
  47         }
  48
  49         public void visualize(VtkView panel) {
  50                 if (geometryProvider != null) {
  51                         updateParameters();
  52
  53                         if (geometryProvider instanceof SolidModelProvider) {
  54                                 SolidModelProvider solidModelProvider = (SolidModelProvider)geometryProvider;
  55                                 if (solidModel == null || parametersUpdated) {
  56                                         createGeometry(solidModelProvider);
  57                                 }
  58                                 if ((solidObject == null || parametersUpdated) && solidModel != null) {
  59                                         solidObject = new vtkSolidObject(panel, solidModel);
  60                                 }
  61                                 if (solidObject != null) {
  62                                         solidObject.visualizeSolid(true,true, false,false);
  63                                         updateVisuals(true, true);
  64                                 }
  65                         } else  if (geometryProvider instanceof MeshProvider) {
  66                                 MeshProvider provider = (MeshProvider)geometryProvider;
  67                                 if (mesh == null || parametersUpdated) {
  68                                         mesh = provider.getMesh();
  69                                 }
  70                                 if ((meshObject== null || parametersUpdated) && mesh != null) {
  71                                         meshObject = new vtkMeshObject(panel, mesh);
  72
  73                                 }
  74                                 if (meshObject != null) {
  75                                         meshObject.visualizeMesh();
  76                                         updateVisuals(true, true);
  77                                 }
  78                         }
  79                 }
  80
  81                 parametersUpdated = false;
  82
  83         }
  84
  85         public void updateParameters() {
  86                 //if (parametersUpdated && geometryProvider instanceof ParametricGeometryProvider) {
  87                 if (geometryProvider instanceof ParametricGeometryProvider) {
  88                         ((ParametricGeometryProvider)geometryProvider).setProperties(currentParameters);
  89                         ((ParametricGeometryProvider)geometryProvider).updateCalculatedProperties(calculatedParameters);
  90                 }
  91         }
  92
  93         private void createGeometry(SolidModelProvider solidModelProvider) {
  94                 Collection<TopoDS_Shape> shapes;
  95                 try {
  96                         shapes = solidModelProvider.getModel();
  97                         if (shapes.size() == 1) {
  98                                 solidModel = shapes.iterator().next();
  99                         } else {
 100                                 solidModel = OccTriangulator.makeCompound(shapes.toArray(new TopoDS_Shape[shapes.size()]));
 101                                 for (TopoDS_Shape shape : shapes) {
 102                                         shape.delete();
 103                                 }
 104                         }
 105 //                              shapes.clear();
 106                 } catch (Exception e) {
 107                         // TODO Auto-generated catch block
 108                         e.printStackTrace();
 109                 }
 110         }
 111
 112         public Map<String, Object> getParameterMap() {
 113                 return Collections.unmodifiableMap(currentParameters);
 114         }
 115
 116         public Map<String, Object> getCalculatedParameters() {
 117                 return calculatedParameters;
 118         }
 119
 120         public void setParametersUpdated(boolean parametersUpdated) {
 121                 this.parametersUpdated = parametersUpdated;
 122         }
 123
 124         public Set<String> setParameterMap(Map<String, Object> parameters) {
 125                 Set<String> ids = new HashSet<String>();
 126                 for (String id : parameters.keySet()) {
 127                         Object currentValue = currentParameters.get(id);
 128                         Object newValue = parameters.get(id);
 129                         if (currentValue == newValue)
 130                                 continue;
 131                         if (currentValue instanceof Double) {
 132                                 if (Math.abs((Double)currentValue-(Double)newValue) < MathTools.NEAR_ZERO)
 133                                         continue;
 134                         }
 135                         currentParameters.put(id, newValue);
 136                         parametersUpdated = true;
 137                         ids.add(id);
 138                 }
 139                 return ids;
 140         }
 141
 142         public GeometryProvider getGeometry() {
 143                 return geometryProvider;
 144         }
 145
 146         public void setGeometry(final GeometryProvider provider) {
 147                 if (provider != null && provider.equals(geometryProvider))
 148                         return;
 149
 150                 if (geometryProvider != null) {
 151                         deleteData();
 152                 }
 153                 geometryProvider = provider;
 154         }
 155
 156         private void deleteData() {
 157                 geometryProvider = null;
 158                 if (solidObject != null) {
 159                         solidObject.clearActors();
 160                         solidObject = null;
 161                 }
 162                 if (solidModel != null) {
 163                         solidModel.delete();
 164                         solidModel = null;
 165                 }
 166                 if (meshObject != null) {
 167                         meshObject.clearActors();
 168                         meshObject = null;
 169                 }
 170                 if (mesh != null)
 171                         mesh = null;
 172
 173         }
 174
 175         public Collection<vtkProp3D> getActors() {
 176                 List<vtkProp3D> list = new ArrayList<vtkProp3D>();
 177                 if (solidObject != null)
 178                         list.addAll(solidObject.getActors());
 179                 if (meshObject != null && meshObject.getActor() != null)
 180                         list.add(meshObject.getActor());
 181                 return list;
 182         }
 183
 184         public void stopVisualize() {
 185                 if (solidObject != null) {
 186                         solidObject.clearActorsVTK();
 187                         solidObject = null;
 188                 }
 189                 if (solidModel != null) {
 190                         solidModel.delete();
 191                         solidModel = null;
 192                 }
 193                 if (meshObject != null) {
 194                         meshObject.clearActorsVTK();
 195                         meshObject = null;
 196                 }
 197                 if (mesh != null)
 198                         mesh = null;
 199
 200         }
 201
 202         private boolean selected = false;
 203         private boolean hover = false;
 204
 205         public void highlight(HighlightEventType type) {
 206                 if (type == HighlightEventType.Selection || type == HighlightEventType.ClearSelection) {
 207                         selected = type == HighlightEventType.Selection;
 208 //                      hingeA.visualizeSolid(selected,true,false);
 209 //                      hingeB.visualizeSolid(selected,true,false);
 210                         updateVisuals(true, false);
 211 //                      update(null);
 212                 } else {
 213                         hover = type == HighlightEventType.Hover;
 214                         updateVisuals(false, true);
 215                 }
 216
 217
 218         }
 219
 220         protected double[] getSelectedColor() {
 221                 return new double[]{1,0,0};
 222         }
 223
 224         protected double[] getColor() {
 225                 return new double[]{1,1,0};
 226         }
 227
 228         public void updateVisuals(boolean s, boolean h) {
 229                 if (solidObject != null) {
 230                         if (s) {
 231                                 double color[];
 232                                 if (selected) {
 233                                         color = getSelectedColor();
 234
 235                                 } else {
 236                                         color = getColor();
 237
 238                                 }
 239                                 for (vtkProp3D prop : solidObject.getSolid()) {
 240                                         vtkProperty property = ((vtkActor)prop).GetProperty();
 241                                         property.SetColor(color);
 242                                         property.Delete();
 243                                 }
 244                         }
 245                         if (h) {
 246                                 double color[] = new double[]{0,0,0};
 247                                 if (hover)
 248                                         color = new double[]{1,0,1};
 249                                 for (vtkProp3D prop : solidObject.getEdges()) {
 250                                         vtkProperty property = ((vtkActor)prop).GetProperty();
 251                                         property.SetColor(color);
 252                                         property.Delete();
 253                                 }
 254
 255                         }
 256                 } else if (meshObject != null) {
 257                         if (s) {
 258                                 double color[];
 259                                 if (selected) {
 260                                         color = getSelectedColor();
 261
 262                                 } else {
 263                                         color = getColor();
 264
 265                                 }
 266                                 vtkProp3D prop = meshObject.getActor();
 267                                 if (prop != null) {
 268                                         vtkProperty property = ((vtkActor)prop).GetProperty();
 269                                         property.SetColor(color);
 270                                         property.Delete();
 271                                 }
 272
 273                         }
 274                         if (h) {
 275                                 double color[] = new double[]{0,0,0};
 276                                 MeshActor actor = meshObject.getActor();
 277                                 if (actor != null) {
 278                                         vtkProperty property = actor.GetProperty();
 279                                         if (hover) {
 280                                                 color = new double[]{1,0,1};
 281                                                 property.SetEdgeVisibility(1);
 282                                                 property.SetEdgeColor(color);
 283                                         } else {
 284                                                 property.SetEdgeVisibility(0);
 285                                                 property.SetEdgeColor(color);
 286                                         }
 287                                         property.Delete();
 288                                 }
 289                         }
 290                 } else {
 291 //                      if (s) {
 292 //                              axes.addToRenderer();
 293 //                              axes.setAxesVisibility(selected);
 294 //                      }
 295                 }
 296         }
 297 }