1 // File: SketchPlugin_ConstraintDistance.cpp
2 // Created: 23 May 2014
3 // Author: Artem ZHIDKOV
5 #include "SketchPlugin_ConstraintDistance.h"
6 #include <SketchPlugin_Point.h>
7 #include <SketchPlugin_Circle.h>
8 #include <SketchPlugin_Line.h>
10 #include <GeomAPI_Lin2d.h>
11 #include <GeomAPI_Pnt2d.h>
12 #include <GeomDataAPI_Point2D.h>
14 #include <ModelAPI_AttributeDouble.h>
15 #include <ModelAPI_Data.h>
17 #include <Config_PropManager.h>
19 SketchPlugin_ConstraintDistance::SketchPlugin_ConstraintDistance()
23 //*************************************************************************************
24 void SketchPlugin_ConstraintDistance::initAttributes()
26 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::type());
27 data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::type());
28 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::type());
29 data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::type());
32 //*************************************************************************************
33 void SketchPlugin_ConstraintDistance::execute()
35 boost::shared_ptr<ModelAPI_Data> aData = data();
36 AttributeDoublePtr anAttrValue = boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
37 aData->attribute(SketchPlugin_Constraint::VALUE()));
39 if(anAttrValue->isInitialized())
41 boost::shared_ptr<GeomDataAPI_Point2D> aPointA =
42 getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A());
43 boost::shared_ptr<GeomDataAPI_Point2D> aPointB =
44 getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B());
46 double aDistance = -1.;
47 if (aPointA && aPointB) { // both points
48 aDistance = aPointA->pnt()->distance(aPointB->pnt());
50 if (!aPointA && aPointB) { //Line and point
51 boost::shared_ptr<SketchPlugin_Line> aLine =
52 getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
54 aDistance = aLine->distanceToPoint(aPointB->pnt());
56 } else if (aPointA && !aPointB) { // Point and line
57 boost::shared_ptr<SketchPlugin_Line> aLine =
58 getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
60 aDistance = aLine->distanceToPoint(aPointA->pnt());
65 anAttrValue->setValue(aDistance);
69 //*************************************************************************************
70 AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevious)
75 boost::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
77 DataPtr aData = data();
78 boost::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(
79 aData, SketchPlugin_Constraint::ENTITY_A());
80 boost::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(
81 aData, SketchPlugin_Constraint::ENTITY_B());
83 boost::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
84 boost::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
86 if (aPoint_A && aPoint_B) {
87 aPnt_A = aPoint_A->pnt();
88 aPnt_B = aPoint_B->pnt();
89 } else if (!aPoint_A && aPoint_B) {
90 boost::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
91 aData, SketchPlugin_Constraint::ENTITY_A());
93 aPnt_B = aPoint_B->pnt();
94 aPnt_A = getProjectionPoint(aLine, aPnt_B);
96 } else if (aPoint_A && !aPoint_B) {
97 boost::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
98 aData, SketchPlugin_Constraint::ENTITY_B());
100 aPnt_A = aPoint_A->pnt();
101 aPnt_B = getProjectionPoint(aLine, aPnt_A);
104 if (!aPnt_A || !aPnt_B)
105 return AISObjectPtr();
107 boost::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = boost::dynamic_pointer_cast<
108 GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
110 boost::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPnt_A->x(), aPnt_A->y());
111 boost::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPnt_B->x(), aPnt_B->y());
112 boost::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = boost::shared_ptr<GeomAPI_Pnt>();
113 if(aFlyOutAttr->isInitialized()) {
114 aFlyoutPnt = sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y());
116 boost::shared_ptr<GeomAPI_Lin2d> aLine = boost::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aPnt_A, aPnt_B));
117 double aDist = aPoint1->distance(aPoint2)/5.;
118 boost::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
119 aFlyOutAttr->setValue(aFPnt);
120 aFlyoutPnt = sketch()->to3D(aFPnt->x(), aFPnt->y());
123 boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = boost::dynamic_pointer_cast<
124 ModelAPI_AttributeDouble>(aData->attribute(SketchPlugin_Constraint::VALUE()));
125 double aValue = aValueAttr->value();
126 // Issue #196: checking the positivity of the distance constraint
127 // there is a validator for a distance constraint, that the value should be positive
129 return AISObjectPtr();
131 AISObjectPtr anAIS = thePrevious;
133 anAIS = AISObjectPtr(new GeomAPI_AISObject);
134 anAIS->createDistance(aPoint1, aPoint2, aFlyoutPnt, aPlane, aValue);
136 // Set color from preferences
137 std::vector<int> aRGB = Config_PropManager::color("Visualization", "distance_color",
139 anAIS->setColor(aRGB[0], aRGB[1], aRGB[2]);
143 //*************************************************************************************
144 void SketchPlugin_ConstraintDistance::move(double theDeltaX, double theDeltaY)
146 boost::shared_ptr<ModelAPI_Data> aData = data();
147 if (!aData->isValid())
150 boost::shared_ptr<GeomDataAPI_Point2D> aPoint = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
151 aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
152 aPoint->move(theDeltaX, theDeltaY);
155 //*************************************************************************************
156 boost::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
157 const std::string& theAttribute)
159 boost::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
165 boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = boost::dynamic_pointer_cast<
166 ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
168 aFeature = ModelAPI_Feature::feature(anAttr->object());
170 if (aFeature && aFeature->getKind() == SketchPlugin_Point::ID())
171 aPointAttr = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
172 aFeature->data()->attribute(SketchPlugin_Point::COORD_ID()));
173 else if (aFeature && aFeature->getKind() == SketchPlugin_Circle::ID())
174 aPointAttr = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
175 aFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
176 else if (anAttr->attr()) {
177 aPointAttr = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
182 //*************************************************************************************
183 boost::shared_ptr<SketchPlugin_Line> getFeatureLine(DataPtr theData,
184 const std::string& theAttribute)
186 boost::shared_ptr<SketchPlugin_Line> aLine;
190 boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = boost::dynamic_pointer_cast<
191 ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
193 FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
194 if (aFeature && aFeature->getKind() == SketchPlugin_Line::ID()) {
195 aLine = boost::dynamic_pointer_cast<SketchPlugin_Line>(aFeature);
201 //*************************************************************************************
202 boost::shared_ptr<GeomAPI_Pnt2d> getProjectionPoint(
203 const boost::shared_ptr<SketchPlugin_Line>& theLine,
204 const boost::shared_ptr<GeomAPI_Pnt2d>& thePoint)
206 boost::shared_ptr<ModelAPI_Data> aData = theLine->data();
207 boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
208 aData->attribute(SketchPlugin_Line::START_ID()));
209 boost::shared_ptr<GeomDataAPI_Point2D> aPoint2 = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(
210 aData->attribute(SketchPlugin_Line::END_ID()));
212 GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
213 return aLin2d.project(thePoint);