src/SketchPlugin/SketchPlugin_ConstraintRadius.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:    SketchPlugin_ConstraintRadius.cpp
   4 // Created: 26 May 2014
   5 // Author:  Artem ZHIDKOV
   6
   7 #include "SketchPlugin_ConstraintRadius.h"
   8
   9 #include <SketchPlugin_Arc.h>
  10 #include <SketchPlugin_Circle.h>
  11 #include <SketchPlugin_Point.h>
  12
  13 #include <SketcherPrs_Factory.h>
  14
  15 #include <ModelAPI_AttributeDouble.h>
  16 #include <ModelAPI_Data.h>
  17
  18 #include <GeomAPI_Pnt2d.h>
  19 #include <GeomAPI_Circ.h>
  20 #include <GeomAPI_Circ2d.h>
  21 #include <GeomAPI_Dir.h>
  22 #include <GeomAPI_XY.h>
  23 #include <GeomAPI_XYZ.h>
  24 #include <GeomDataAPI_Point2D.h>
  25 #include <GeomDataAPI_Dir.h>
  26
  27 #include <Config_PropManager.h>
  28
  29 const double tolerance = 1.e-7;
  30
  31 SketchPlugin_ConstraintRadius::SketchPlugin_ConstraintRadius()
  32 {
  33   myFlyoutUpdate = false;
  34 }
  35
  36 void SketchPlugin_ConstraintRadius::initAttributes()
  37 {
  38   data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
  39   data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
  40   data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::typeId());
  41 }
  42
  43 void SketchPlugin_ConstraintRadius::execute()
  44 {
  45   std::shared_ptr<ModelAPI_AttributeRefAttr> aRef = std::dynamic_pointer_cast<
  46       ModelAPI_AttributeRefAttr>(data()->attribute(SketchPlugin_Constraint::ENTITY_A()));
  47   FeaturePtr aFeature = ModelAPI_Feature::feature(aRef->object());
  48   if (aFeature) {
  49     double aRadius = 0;
  50     std::shared_ptr<ModelAPI_Data> aData = aFeature->data();
  51     if (aFeature->getKind() == SketchPlugin_Circle::ID()) {
  52       AttributeDoublePtr anAttribute = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
  53           aData->attribute(SketchPlugin_Circle::RADIUS_ID()));
  54       if (anAttribute)
  55         aRadius = anAttribute->value();
  56     } else if (aFeature->getKind() == SketchPlugin_Arc::ID()) {
  57       std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
  58           GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Arc::CENTER_ID()));
  59       std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
  60           GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Arc::START_ID()));
  61       if (aCenterAttr && aStartAttr)
  62         aRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
  63     }
  64     //std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
  65     //    ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
  66     //if(!aValueAttr->isInitialized()) {
  67     //  aValueAttr->setValue(aRadius);
  68     //}
  69
  70     // the value should to be computed here, not in the getAISObject in order to change the model value
  71     // inside the object transaction. This is important for creating a constraint by preselection.
  72     // The display of the presentation in this case happens after the transaction commit
  73     std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr = std::dynamic_pointer_cast<
  74         GeomDataAPI_Point2D>(data()->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
  75     if (!aFlyoutAttr->isInitialized())
  76       compute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
  77   }
  78 }
  79
  80 bool SketchPlugin_ConstraintRadius::compute(const std::string& theAttributeId)
  81 {
  82   if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
  83     return false;
  84
  85   std::shared_ptr<ModelAPI_Feature> aCyrcFeature;
  86   double aRadius = circleRadius(aCyrcFeature);
  87   if (aRadius < 0)
  88     return false;
  89
  90   // Flyout point
  91   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr = std::dynamic_pointer_cast<
  92       GeomDataAPI_Point2D>(data()->attribute(theAttributeId));
  93   // Prepare a circle
  94   if (aCyrcFeature->getKind() == SketchPlugin_Circle::ID()) { // circle
  95     std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
  96         aCyrcFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
  97     double aShift = aRadius * 1.1;
  98     std::shared_ptr<GeomAPI_Pnt2d> aPnt = aCenterAttr->pnt();
  99     std::shared_ptr<GeomAPI_Pnt2d> aFPnt =
 100       std::shared_ptr<GeomAPI_Pnt2d>(new GeomAPI_Pnt2d(aPnt->x() + aShift, aPnt->y() + aShift));
 101     aFlyoutAttr->setValue(aFPnt);
 102   } else { // arc
 103     std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
 104       GeomDataAPI_Point2D>(aCyrcFeature->data()->attribute(SketchPlugin_Arc::START_ID()));
 105     aFlyoutAttr->setValue(aStartAttr->pnt());
 106   }
 107   return true;
 108 }
 109
 110 double SketchPlugin_ConstraintRadius::circleRadius(std::shared_ptr<ModelAPI_Feature>& theCirc)
 111 {
 112   static const double kErrorResult = -1.;
 113   if (!sketch())
 114     return kErrorResult;
 115
 116   std::shared_ptr<ModelAPI_Data> aData = data();
 117   std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
 118       ModelAPI_AttributeRefAttr>(aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
 119   if (!anAttr)
 120     return kErrorResult;
 121   theCirc = ModelAPI_Feature::feature(anAttr->object());
 122   std::string aKind = theCirc ? theCirc->getKind() : "";
 123   if (aKind != SketchPlugin_Circle::ID() && aKind != SketchPlugin_Arc::ID())
 124     return kErrorResult;
 125
 126   DataPtr aCircData = theCirc->data();
 127   std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr;
 128   if (aKind == SketchPlugin_Circle::ID()) {
 129     AttributeDoublePtr aCircRadius = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
 130         aCircData->attribute(SketchPlugin_Circle::RADIUS_ID()));
 131     return aCircRadius->value();
 132   } else {
 133     aCenterAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 134         aCircData->attribute(SketchPlugin_Arc::CENTER_ID()));
 135     std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
 136         GeomDataAPI_Point2D>(aCircData->attribute(SketchPlugin_Arc::START_ID()));
 137     return aCenterAttr->pnt()->distance(aStartAttr->pnt());
 138   }
 139   return kErrorResult;
 140 }
 141
 142 AISObjectPtr SketchPlugin_ConstraintRadius::getAISObject(AISObjectPtr thePrevious)
 143 {
 144   if (!sketch())
 145     return thePrevious;
 146
 147   AISObjectPtr anAIS = thePrevious;
 148   if (!anAIS) {
 149     anAIS = SketcherPrs_Factory::radiusConstraint(this, sketch()->coordinatePlane());
 150   }
 151
 152   // Set color from preferences
 153   std::vector<int> aRGB = Config_PropManager::color("Visualization", "sketch_dimension_color",
 154                                                     SKETCH_DIMENSION_COLOR);
 155   anAIS->setColor(aRGB[0], aRGB[1], aRGB[2]);
 156   return anAIS;
 157 }
 158
 159 void SketchPlugin_ConstraintRadius::move(double theDeltaX, double theDeltaY)
 160 {
 161   std::shared_ptr<ModelAPI_Data> aData = data();
 162   if (!aData->isValid())
 163     return;
 164
 165   myFlyoutUpdate = true;
 166   std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr = std::dynamic_pointer_cast<
 167       GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
 168   aFlyoutAttr->setValue(aFlyoutAttr->x() + theDeltaX, aFlyoutAttr->y() + theDeltaY);
 169   myFlyoutUpdate = false;
 170 }
 171
 172 void SketchPlugin_ConstraintRadius::attributeChanged(const std::string& theID) {
 173   if (theID == SketchPlugin_Constraint::ENTITY_A()) {
 174     std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
 175         ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
 176     if (!aValueAttr->isInitialized()) { // only if it is not initialized, try to compute the current value
 177       std::shared_ptr<ModelAPI_Feature> aCyrcFeature;
 178       double aRadius = circleRadius(aCyrcFeature);
 179       if (aRadius > 0) { // set as value the radius of updated reference to another circle
 180         aValueAttr->setValue(aRadius);
 181       }
 182     }
 183   } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) {
 184     // Recalculate flyout point in local coordinates of the circle (or arc):
 185     // coordinates are calculated according to center of the shape
 186     std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
 187         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
 188         attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
 189
 190     AttributeRefAttrPtr aRefAttr = std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(
 191         attribute(SketchPlugin_Constraint::ENTITY_A()));
 192     if (!aRefAttr || !aRefAttr->isObject())
 193       return;
 194     FeaturePtr aFeature = ModelAPI_Feature::feature(aRefAttr->object());
 195     if (!aFeature || (aFeature->getKind() != SketchPlugin_Arc::ID() &&
 196         aFeature->getKind() != SketchPlugin_Circle::ID()))
 197       return;
 198
 199     std::string aCenterAttrName;
 200     if (aFeature->getKind() == SketchPlugin_Circle::ID())
 201       aCenterAttrName = SketchPlugin_Circle::CENTER_ID();
 202     else if (aFeature->getKind() == SketchPlugin_Arc::ID())
 203       aCenterAttrName = SketchPlugin_Arc::CENTER_ID();
 204     std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
 205         GeomDataAPI_Point2D>(aFeature->data()->attribute(aCenterAttrName));
 206     std::shared_ptr<GeomAPI_Pnt2d> aCenter = aCenterAttr->pnt();
 207     std::shared_ptr<ModelAPI_AttributeDouble> aRadius = std::dynamic_pointer_cast<
 208         ModelAPI_AttributeDouble>(attribute(SketchPlugin_Constraint::VALUE()));
 209
 210     std::shared_ptr<GeomAPI_Pnt2d> aFlyoutPnt = aFlyoutAttr->pnt();
 211     double aDist = aFlyoutPnt->distance(aCenter);
 212     if (aDist < tolerance)
 213       return;
 214
 215     myFlyoutUpdate = true;
 216     std::shared_ptr<GeomAPI_XY> aFlyoutDir = aFlyoutPnt->xy()->decreased(aCenter->xy());
 217     aFlyoutAttr->setValue(aFlyoutDir->x(), aFlyoutDir->y());
 218     myFlyoutUpdate = false;
 219   }
 220 }