src/SketchPlugin/SketchPlugin_Sketch.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:        SketchPlugin_Sketch.cxx
   4 // Created:     27 Mar 2014
   5 // Author:      Mikhail PONIKAROV
   6
   7 #include <Config_PropManager.h>
   8
   9 #include <GeomAlgoAPI_CompoundBuilder.h>
  10 #include <GeomAlgoAPI_FaceBuilder.h>
  11
  12 #include <GeomAPI_AISObject.h>
  13 #include <GeomAPI_Dir.h>
  14 #include <GeomAPI_PlanarEdges.h>
  15 #include <GeomAPI_XYZ.h>
  16
  17 #include <GeomDataAPI_Dir.h>
  18 #include <GeomDataAPI_Point.h>
  19 #include <GeomAlgoAPI_FaceBuilder.h>
  20
  21 #include <ModelAPI_AttributeRefList.h>
  22 #include <ModelAPI_Data.h>
  23 #include <ModelAPI_Document.h>
  24 #include <ModelAPI_Feature.h>
  25 #include <ModelAPI_Object.h>
  26 #include <ModelAPI_ResultConstruction.h>
  27 #include <ModelAPI_Validator.h>
  28 #include <ModelAPI_Session.h>
  29
  30 #include <SketchPlugin_Sketch.h>
  31 #include <SketchPlugin_Feature.h>
  32 #include <SketchPlugin_SketchEntity.h>
  33
  34 #include <memory>
  35
  36 #include <math.h>
  37 #include <vector>
  38
  39 using namespace std;
  40
  41 SketchPlugin_Sketch::SketchPlugin_Sketch()
  42 {
  43 }
  44
  45 void SketchPlugin_Sketch::initAttributes()
  46 {
  47   data()->addAttribute(SketchPlugin_Sketch::ORIGIN_ID(), GeomDataAPI_Point::type());
  48   data()->addAttribute(SketchPlugin_Sketch::DIRX_ID(), GeomDataAPI_Dir::type());
  49   data()->addAttribute(SketchPlugin_Sketch::NORM_ID(), GeomDataAPI_Dir::type());
  50   data()->addAttribute(SketchPlugin_Sketch::FEATURES_ID(), ModelAPI_AttributeRefList::type());
  51   // the selected face, base for the sketcher plane, not obligatory
  52   data()->addAttribute(SketchPlugin_SketchEntity::EXTERNAL_ID(), ModelAPI_AttributeSelection::type());
  53   ModelAPI_Session::get()->validators()->registerNotObligatory(
  54     getKind(), SketchPlugin_SketchEntity::EXTERNAL_ID());
  55 }
  56
  57 void SketchPlugin_Sketch::execute()
  58 {
  59   if (!data()->isValid())
  60     return;
  61   std::shared_ptr<ModelAPI_AttributeRefList> aRefList = std::dynamic_pointer_cast<
  62       ModelAPI_AttributeRefList>(data()->attribute(SketchPlugin_Sketch::FEATURES_ID()));
  63
  64   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
  65       data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
  66   std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
  67       data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
  68   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
  69       data()->attribute(SketchPlugin_Sketch::NORM_ID()));
  70
  71   std::list<ObjectPtr> aFeatures = aRefList->list();
  72   if (aFeatures.empty())
  73     return;
  74
  75   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin(), aLast = aFeatures.end();
  76   std::shared_ptr<SketchPlugin_Feature> aFeature;
  77   std::list<std::shared_ptr<GeomAPI_Shape> > aFeaturesPreview;
  78   for (; anIt != aLast; anIt++) {
  79     aFeature = std::dynamic_pointer_cast<SketchPlugin_Feature>(*anIt);
  80     if (aFeature) {
  81       if (!aFeature->sketch()) // on load document the back references are missed
  82         aFeature->setSketch(this);
  83       // do not include the external edges into the result
  84       if (aFeature->data()->attribute(SketchPlugin_SketchEntity::EXTERNAL_ID())) {
  85         if (aFeature->data()->selection(SketchPlugin_SketchEntity::EXTERNAL_ID())->value())
  86           continue;
  87       }
  88       // do not include the construction entities in the result
  89       if (aFeature->data()->attribute(SketchPlugin_SketchEntity::AUXILIARY_ID())) {
  90         if (aFeature->data()->boolean(SketchPlugin_SketchEntity::AUXILIARY_ID())->value())
  91           continue;
  92       }
  93
  94       const std::list<std::shared_ptr<ModelAPI_Result> >& aRes = aFeature->results();
  95       std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aResIter = aRes.cbegin();
  96       for (; aResIter != aRes.cend(); aResIter++) {
  97         std::shared_ptr<ModelAPI_ResultConstruction> aConstr = std::dynamic_pointer_cast<
  98             ModelAPI_ResultConstruction>(*aResIter);
  99         if (aConstr) {
 100           std::shared_ptr<GeomAPI_Shape> aShape = aConstr->shape();
 101           if (aShape)
 102             aFeaturesPreview.push_back(aShape);
 103         }
 104       }
 105     }
 106   }
 107
 108   if (aFeaturesPreview.empty())
 109     return;
 110
 111   // Collect all edges as one big wire
 112   std::shared_ptr<GeomAPI_PlanarEdges> aBigWire(new GeomAPI_PlanarEdges);
 113   std::list<std::shared_ptr<GeomAPI_Shape> >::const_iterator aShapeIt = aFeaturesPreview.begin();
 114   for (; aShapeIt != aFeaturesPreview.end(); ++aShapeIt) {
 115     aBigWire->addEdge(*aShapeIt);
 116   }
 117   aBigWire->setPlane(anOrigin->pnt(), aDirX->dir(), aNorm->dir());
 118   std::shared_ptr<ModelAPI_ResultConstruction> aConstr = document()->createConstruction(data());
 119   aConstr->setShape(aBigWire);
 120   setResult(aConstr);
 121 }
 122
 123 std::shared_ptr<ModelAPI_Feature> SketchPlugin_Sketch::addFeature(std::string theID)
 124 {
 125   std::shared_ptr<ModelAPI_Feature> aNew = document()->addFeature(theID);
 126   if (aNew) {
 127     std::dynamic_pointer_cast<SketchPlugin_Feature>(aNew)->setSketch(this);
 128     data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->append(aNew);
 129   }
 130   return aNew;
 131 }
 132
 133 void SketchPlugin_Sketch::removeFeature(std::shared_ptr<ModelAPI_Feature> theFeature)
 134 {
 135   if (!data().get()) // sketch is already removed (case on undo of sketch), sync is not needed
 136     return;
 137   list<ObjectPtr> aSubs = data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->list();
 138   list<ObjectPtr>::iterator aSubIt = aSubs.begin(), aLastIt = aSubs.end();
 139   bool isRemoved = false;
 140   bool aHasEmtpyFeature = false;
 141   for(; aSubIt != aLastIt && !isRemoved; aSubIt++) {
 142     std::shared_ptr<ModelAPI_Feature> aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*aSubIt);
 143     if (aFeature.get() != NULL && aFeature == theFeature) {
 144       data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->remove(aFeature);
 145       isRemoved = true;
 146     }
 147     else if (aFeature.get() == NULL)
 148       aHasEmtpyFeature = true;
 149   }
 150   // if the object is not found in the sketch sub-elements, that means that the object is removed already.
 151   // Find the first empty element and remove it
 152   if (!isRemoved && aHasEmtpyFeature)
 153     data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->remove(ObjectPtr());
 154 }
 155
 156 int SketchPlugin_Sketch::numberOfSubs() const
 157 {
 158   return data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->size();
 159 }
 160
 161 std::shared_ptr<ModelAPI_Feature> SketchPlugin_Sketch::subFeature(const int theIndex) const
 162 {
 163   ObjectPtr anObj = data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->object(theIndex);
 164   return std::dynamic_pointer_cast<ModelAPI_Feature>(anObj);
 165 }
 166
 167 int SketchPlugin_Sketch::subFeatureId(const int theIndex) const
 168 {
 169   return subFeature(theIndex)->data()->featureId();
 170 }
 171
 172 bool SketchPlugin_Sketch::isSub(ObjectPtr theObject) const
 173 {
 174   // check is this feature of result
 175   FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(theObject);
 176   if (!aFeature) {
 177     ResultPtr aRes = std::dynamic_pointer_cast<ModelAPI_Result>(theObject);
 178     if (aRes)
 179       aFeature = document()->feature(aRes);
 180   }
 181   if (aFeature) {
 182     list<ObjectPtr> aSubs = data()->reflist(SketchPlugin_Sketch::FEATURES_ID())->list();
 183     for(list<ObjectPtr>::iterator aSubIt = aSubs.begin(); aSubIt != aSubs.end(); aSubIt++) {
 184       if (*aSubIt == aFeature)
 185         return true;
 186     }
 187   }
 188   return false;
 189 }
 190
 191 std::shared_ptr<GeomAPI_Pnt> SketchPlugin_Sketch::to3D(const double theX, const double theY)
 192 {
 193   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 194       data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 195   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 196       data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 197   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 198       data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 199   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 200
 201   std::shared_ptr<GeomAPI_XYZ> aSum = aC->pnt()->xyz()->added(aX->dir()->xyz()->multiplied(theX))
 202       ->added(aY->xyz()->multiplied(theY));
 203
 204   return std::shared_ptr<GeomAPI_Pnt>(new GeomAPI_Pnt(aSum));
 205 }
 206
 207 std::shared_ptr<GeomAPI_Pnt2d> SketchPlugin_Sketch::to2D(
 208   const std::shared_ptr<GeomAPI_Pnt>& thePnt)
 209 {
 210   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 211       data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 212   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 213       data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 214   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 215       data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 216   std::shared_ptr<GeomAPI_Dir> aY(new GeomAPI_Dir(aNorm->dir()->cross(aX->dir())));
 217   return thePnt->to2D(aC->pnt(), aX->dir(), aY);
 218 }
 219
 220
 221 bool SketchPlugin_Sketch::isPlaneSet()
 222 {
 223   std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 224       data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 225
 226   return aNormal && !(aNormal->x() == 0 && aNormal->y() == 0 && aNormal->z() == 0);
 227 }
 228
 229 std::shared_ptr<GeomAPI_Pln> SketchPlugin_Sketch::plane()
 230 {
 231   std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 232       data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 233   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 234       data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 235
 236   if (!anOrigin || !aNorm)
 237     return std::shared_ptr<GeomAPI_Pln>();
 238
 239   return std::shared_ptr<GeomAPI_Pln>(new GeomAPI_Pln(anOrigin->pnt(), aNorm->dir()));
 240 }
 241
 242 std::shared_ptr<GeomAPI_Ax3> SketchPlugin_Sketch::coordinatePlane() const
 243 {
 244   DataPtr aData = data();
 245   std::shared_ptr<GeomDataAPI_Point> aC = std::dynamic_pointer_cast<GeomDataAPI_Point>(
 246     aData->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 247   std::shared_ptr<GeomDataAPI_Dir> aX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 248     aData->attribute(SketchPlugin_Sketch::DIRX_ID()));
 249   std::shared_ptr<GeomDataAPI_Dir> aNorm = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 250     aData->attribute(SketchPlugin_Sketch::NORM_ID()));
 251
 252   return std::shared_ptr<GeomAPI_Ax3>(new GeomAPI_Ax3(aC->pnt(), aX->dir(), aNorm->dir()));
 253 }
 254
 255 void SketchPlugin_Sketch::erase()
 256 {
 257   std::shared_ptr<ModelAPI_AttributeRefList> aRefList = std::dynamic_pointer_cast<
 258       ModelAPI_AttributeRefList>(data()->attribute(SketchPlugin_Sketch::FEATURES_ID()));
 259   std::list<ObjectPtr> aFeatures = aRefList->list();
 260   std::list<ObjectPtr>::const_iterator anIt = aFeatures.begin();
 261   for (; anIt != aFeatures.end(); anIt++) {
 262     FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anIt);
 263     if (aFeature) {
 264       // subs are referenced from sketch, but must be removed for sure, so not checkings
 265       document()->removeFeature(aFeature);
 266     }
 267   }
 268   ModelAPI_CompositeFeature::erase();
 269 }
 270
 271 void SketchPlugin_Sketch::attributeChanged(const std::string& theID) {
 272   if (theID == SketchPlugin_SketchEntity::EXTERNAL_ID()) {
 273     std::shared_ptr<GeomAPI_Shape> aSelection =
 274       data()->selection(SketchPlugin_SketchEntity::EXTERNAL_ID())->value();
 275     if (aSelection) { // update arguments due to the selection value
 276       // update the sketch plane
 277       std::shared_ptr<GeomAPI_Pln> aPlane = GeomAlgoAPI_FaceBuilder::plane(aSelection);
 278       if (aPlane) {
 279         double anA, aB, aC, aD;
 280         aPlane->coefficients(anA, aB, aC, aD);
 281
 282         // calculate attributes of the sketch
 283         std::shared_ptr<GeomAPI_Dir> aNormDir(new GeomAPI_Dir(anA, aB, aC));
 284         std::shared_ptr<GeomAPI_XYZ> aCoords = aNormDir->xyz();
 285         std::shared_ptr<GeomAPI_XYZ> aZero(new GeomAPI_XYZ(0, 0, 0));
 286         aCoords = aCoords->multiplied(-aD * aCoords->distance(aZero));
 287         std::shared_ptr<GeomAPI_Pnt> anOrigPnt(new GeomAPI_Pnt(aCoords));
 288         // X axis is preferable to be dirX on the sketch
 289         static const double tol = 1.e-7;
 290         bool isX = fabs(anA - 1.0) < tol && fabs(aB) < tol && fabs(aC) < tol;
 291         std::shared_ptr<GeomAPI_Dir> aTempDir(
 292           isX ? new GeomAPI_Dir(0, 1, 0) : new GeomAPI_Dir(1, 0, 0));
 293         std::shared_ptr<GeomAPI_Dir> aYDir(new GeomAPI_Dir(aNormDir->cross(aTempDir)));
 294         std::shared_ptr<GeomAPI_Dir> aXDir(new GeomAPI_Dir(aYDir->cross(aNormDir)));
 295
 296         // update position of the sketch
 297         std::shared_ptr<GeomDataAPI_Point> anOrigin = std::dynamic_pointer_cast
 298           <GeomDataAPI_Point>(data()->attribute(SketchPlugin_Sketch::ORIGIN_ID()));
 299         anOrigin->setValue(anOrigPnt);
 300         std::shared_ptr<GeomDataAPI_Dir> aNormal = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 301           data()->attribute(SketchPlugin_Sketch::NORM_ID()));
 302         aNormal->setValue(aNormDir);
 303         std::shared_ptr<GeomDataAPI_Dir> aDirX = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
 304           data()->attribute(SketchPlugin_Sketch::DIRX_ID()));
 305         aDirX->setValue(aXDir);
 306         std::shared_ptr<GeomAPI_Dir> aDir = aPlane->direction();
 307       }
 308     }
 309   }
 310 }