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 std::shared_ptr<ModelAPI_Data> aData = data();
36 AttributeDoublePtr anAttrValue = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
37 aData->attribute(SketchPlugin_Constraint::VALUE()));
39 if(anAttrValue->isInitialized())
42 double aDistance = calculateCurrentDistance();
44 anAttrValue->setValue(aDistance);
48 //*************************************************************************************
49 AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevious)
54 std::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
56 DataPtr aData = data();
57 std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(
58 aData, SketchPlugin_Constraint::ENTITY_A());
59 std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(
60 aData, SketchPlugin_Constraint::ENTITY_B());
62 std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
63 std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
65 if (aPoint_A && aPoint_B) {
66 aPnt_A = aPoint_A->pnt();
67 aPnt_B = aPoint_B->pnt();
68 } else if (!aPoint_A && aPoint_B) {
69 std::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
70 aData, SketchPlugin_Constraint::ENTITY_A());
72 aPnt_B = aPoint_B->pnt();
73 aPnt_A = getProjectionPoint(aLine, aPnt_B);
75 } else if (aPoint_A && !aPoint_B) {
76 std::shared_ptr<SketchPlugin_Line> aLine = getFeatureLine(
77 aData, SketchPlugin_Constraint::ENTITY_B());
79 aPnt_A = aPoint_A->pnt();
80 aPnt_B = getProjectionPoint(aLine, aPnt_A);
83 if (!aPnt_A || !aPnt_B)
84 return AISObjectPtr();
86 std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
87 GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
89 std::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPnt_A->x(), aPnt_A->y());
90 std::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPnt_B->x(), aPnt_B->y());
91 std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = std::shared_ptr<GeomAPI_Pnt>();
92 if(aFlyOutAttr->isInitialized()) {
93 aFlyoutPnt = sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y());
95 std::shared_ptr<GeomAPI_Lin2d> aLine = std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aPnt_A, aPnt_B));
96 double aDist = aPoint1->distance(aPoint2)/5.;
97 std::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
98 aFlyOutAttr->setValue(aFPnt);
99 aFlyoutPnt = sketch()->to3D(aFPnt->x(), aFPnt->y());
102 std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
103 ModelAPI_AttributeDouble>(aData->attribute(SketchPlugin_Constraint::VALUE()));
105 // Issue #196: checking the positivity of the distance constraint
106 // there is a validator for a distance constraint, that the value should be positive
107 // in case if an invalid value is set, the current distance value is shown
108 if (aValueAttr->isInitialized())
109 aValue = aValueAttr->value();
111 AISObjectPtr anAIS = thePrevious;
113 anAIS = AISObjectPtr(new GeomAPI_AISObject);
114 anAIS->createDistance(aPoint1, aPoint2, aFlyoutPnt, aPlane, aValue);
116 // Set color from preferences
117 std::vector<int> aRGB = Config_PropManager::color("Visualization", "distance_color",
119 anAIS->setColor(aRGB[0], aRGB[1], aRGB[2]);
123 //*************************************************************************************
124 void SketchPlugin_ConstraintDistance::move(double theDeltaX, double theDeltaY)
126 std::shared_ptr<ModelAPI_Data> aData = data();
127 if (!aData->isValid())
130 std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
131 aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
132 aPoint->move(theDeltaX, theDeltaY);
135 double SketchPlugin_ConstraintDistance::calculateCurrentDistance() const
137 double aDistance = -1.;
139 std::shared_ptr<ModelAPI_Data> aData = data();
140 std::shared_ptr<GeomDataAPI_Point2D> aPointA =
141 getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A());
142 std::shared_ptr<GeomDataAPI_Point2D> aPointB =
143 getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B());
145 if (aPointA && aPointB) { // both points
146 aDistance = aPointA->pnt()->distance(aPointB->pnt());
148 if (!aPointA && aPointB) { //Line and point
149 std::shared_ptr<SketchPlugin_Line> aLine =
150 getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
152 aDistance = aLine->distanceToPoint(aPointB->pnt());
154 } else if (aPointA && !aPointB) { // Point and line
155 std::shared_ptr<SketchPlugin_Line> aLine =
156 getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
158 aDistance = aLine->distanceToPoint(aPointA->pnt());
165 void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID) {
166 if (theID == SketchPlugin_Constraint::ENTITY_A() ||
167 theID == SketchPlugin_Constraint::ENTITY_B())
169 std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
170 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
171 if (!aValueAttr->isInitialized()) { // only if it is not initialized, try to compute the current value
172 double aDistance = calculateCurrentDistance();
173 if (aDistance > 0) { // set as value the length of updated references
174 aValueAttr->setValue(aDistance);
180 //*************************************************************************************
181 std::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
182 const std::string& theAttribute)
184 std::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
190 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
191 ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
193 aFeature = ModelAPI_Feature::feature(anAttr->object());
195 if (aFeature && aFeature->getKind() == SketchPlugin_Point::ID())
196 aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
197 aFeature->data()->attribute(SketchPlugin_Point::COORD_ID()));
198 else if (aFeature && aFeature->getKind() == SketchPlugin_Circle::ID())
199 aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
200 aFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID()));
201 else if (anAttr->attr()) {
202 aPointAttr = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
207 //*************************************************************************************
208 std::shared_ptr<SketchPlugin_Line> getFeatureLine(DataPtr theData,
209 const std::string& theAttribute)
211 std::shared_ptr<SketchPlugin_Line> aLine;
215 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr = std::dynamic_pointer_cast<
216 ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
218 FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
219 if (aFeature && aFeature->getKind() == SketchPlugin_Line::ID()) {
220 aLine = std::dynamic_pointer_cast<SketchPlugin_Line>(aFeature);
226 //*************************************************************************************
227 std::shared_ptr<GeomAPI_Pnt2d> getProjectionPoint(
228 const std::shared_ptr<SketchPlugin_Line>& theLine,
229 const std::shared_ptr<GeomAPI_Pnt2d>& thePoint)
231 std::shared_ptr<ModelAPI_Data> aData = theLine->data();
232 std::shared_ptr<GeomDataAPI_Point2D> aPoint1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
233 aData->attribute(SketchPlugin_Line::START_ID()));
234 std::shared_ptr<GeomDataAPI_Point2D> aPoint2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
235 aData->attribute(SketchPlugin_Line::END_ID()));
237 GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y());
238 return aLin2d.project(thePoint);