src/SketchPlugin/SketchPlugin_IntersectionPoint.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
   2
   3 // File:    SketchPlugin_IntersectionPoint.cpp
   4 // Created: 07 May 2014
   5 // Author:  Artem ZHIDKOV
   6
   7 #include "SketchPlugin_IntersectionPoint.h"
   8
   9 #include <ModelAPI_AttributeSelection.h>
  10
  11 #include <GeomAPI_Edge.h>
  12 #include <GeomAPI_Lin.h>
  13 #include <GeomDataAPI_Point2D.h>
  14
  15 SketchPlugin_IntersectionPoint::SketchPlugin_IntersectionPoint()
  16     : SketchPlugin_Point()
  17 {
  18 }
  19
  20 void SketchPlugin_IntersectionPoint::initDerivedClassAttributes()
  21 {
  22   data()->addAttribute(EXTERNAL_LINE_ID(), ModelAPI_AttributeSelection::typeId());
  23
  24   SketchPlugin_Point::initDerivedClassAttributes();
  25 }
  26
  27 void SketchPlugin_IntersectionPoint::execute()
  28 {
  29   SketchPlugin_Sketch* aSketch = sketch();
  30   if (aSketch) {
  31     computePoint();
  32     SketchPlugin_Point::execute();
  33
  34     // set this feature as external
  35     data()->selection(EXTERNAL_ID())->setValue(lastResult(), lastResult()->shape());
  36   }
  37 }
  38
  39 void SketchPlugin_IntersectionPoint::move(double theDeltaX, double theDeltaY)
  40 {
  41 }
  42
  43 void SketchPlugin_IntersectionPoint::attributeChanged(const std::string& theID)
  44 {
  45   if (theID == EXTERNAL_LINE_ID()) {
  46     // compute intersection between line and sketch plane
  47     computePoint();
  48   }
  49 }
  50
  51 void SketchPlugin_IntersectionPoint::computePoint()
  52 {
  53   AttributeSelectionPtr aLineAttr =
  54       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(attribute(EXTERNAL_LINE_ID()));
  55
  56   std::shared_ptr<GeomAPI_Edge> anEdge;
  57   if(aLineAttr && aLineAttr->value() && aLineAttr->value()->isEdge()) {
  58     anEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLineAttr->value()));
  59   } else if(aLineAttr->context() && aLineAttr->context()->shape() && aLineAttr->context()->shape()->isEdge()) {
  60     anEdge = std::shared_ptr<GeomAPI_Edge>(new GeomAPI_Edge(aLineAttr->context()->shape()));
  61   }
  62   if(!anEdge.get())
  63     return;
  64
  65   std::shared_ptr<GeomAPI_Lin> aLine = anEdge->line();
  66   std::shared_ptr<GeomAPI_Pln> aSketchPlane = sketch()->plane();
  67
  68   std::shared_ptr<GeomAPI_Pnt> anIntersection = aSketchPlane->intersect(aLine);
  69   if (!anIntersection)
  70     return;
  71
  72   std::shared_ptr<GeomDataAPI_Point2D> aCoordAttr =
  73       std::dynamic_pointer_cast<GeomDataAPI_Point2D>(attribute(COORD_ID()));
  74   aCoordAttr->setValue(sketch()->to2D(anIntersection));
  75 }