1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
3 // File: SketchPlugin_ConstraintDistance.cpp
4 // Created: 23 May 2014
5 // Author: Artem ZHIDKOV
7 #include "SketchPlugin_ConstraintDistance.h"
8 #include <SketchPlugin_Point.h>
9 #include <SketchPlugin_Circle.h>
10 #include <SketchPlugin_Line.h>
12 #include <SketcherPrs_Tools.h>
13 #include <SketcherPrs_Factory.h>
15 #include <GeomAPI_Dir2d.h>
16 #include <GeomAPI_Lin2d.h>
17 #include <GeomAPI_Pnt2d.h>
18 #include <GeomAPI_XY.h>
19 #include <GeomDataAPI_Point2D.h>
21 #include <ModelAPI_AttributeDouble.h>
22 #include <ModelAPI_Data.h>
24 #include <Config_PropManager.h>
28 const double tolerance = 1e-7;
31 SketchPlugin_ConstraintDistance::SketchPlugin_ConstraintDistance()
33 myFlyoutUpdate = false;
36 //*************************************************************************************
37 void SketchPlugin_ConstraintDistance::initAttributes()
39 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
40 data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::typeId());
41 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
42 data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
45 void SketchPlugin_ConstraintDistance::colorConfigInfo(std::string& theSection, std::string& theName,
46 std::string& theDefault)
48 theSection = "Visualization";
49 theName = "sketch_dimension_color";
50 theDefault = SKETCH_DIMENSION_COLOR;
53 //*************************************************************************************
54 void SketchPlugin_ConstraintDistance::execute()
56 std::shared_ptr<ModelAPI_Data> aData = data();
57 AttributeDoublePtr anAttrValue = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
58 aData->attribute(SketchPlugin_Constraint::VALUE()));
60 if(anAttrValue->isInitialized())
63 double aDistance = calculateCurrentDistance();
65 anAttrValue->setValue(aDistance);
68 // the value should to be computed here, not in the getAISObject in order to change the model value
69 // inside the object transaction. This is important for creating a constraint by preselection.
70 // The display of the presentation in this case happens after the transaction commit
71 std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
72 GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
73 if(!aFlyOutAttr->isInitialized())
74 compute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
77 bool SketchPlugin_ConstraintDistance::compute(const std::string& theAttributeId)
79 if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
85 std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
86 GeomDataAPI_Point2D>(attribute(theAttributeId));
87 if (fabs(aFlyOutAttr->x()) >= tolerance || fabs(aFlyOutAttr->y()) >= tolerance)
90 DataPtr aData = data();
91 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
92 std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = SketcherPrs_Tools::getFeaturePoint(
93 aData, SketchPlugin_Constraint::ENTITY_A(), aPlane);
94 std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = SketcherPrs_Tools::getFeaturePoint(
95 aData, SketchPlugin_Constraint::ENTITY_B(), aPlane);
97 std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
98 std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
100 if (aPoint_A && aPoint_B) {
101 aPnt_A = aPoint_A->pnt();
102 aPnt_B = aPoint_B->pnt();
103 } else if (!aPoint_A && aPoint_B) {
104 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
105 aData, SketchPlugin_Constraint::ENTITY_A());
107 aPnt_B = aPoint_B->pnt();
108 aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B);
110 } else if (aPoint_A && !aPoint_B) {
111 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
112 aData, SketchPlugin_Constraint::ENTITY_B());
114 aPnt_A = aPoint_A->pnt();
115 aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A);
118 if (!aPnt_A || !aPnt_B)
121 std::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPnt_A->x(), aPnt_A->y());
122 std::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPnt_B->x(), aPnt_B->y());
123 // it is not possible to create lin2d on the points with equal position
124 if (aPoint1->distance(aPoint2) < tolerance)
127 std::shared_ptr<GeomAPI_Lin2d> aLine = std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aPnt_A, aPnt_B));
128 double aDist = aPoint1->distance(aPoint2)/5.;
129 std::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
130 aFlyOutAttr->setValue(aFPnt);
135 //*************************************************************************************
136 AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevious)
141 AISObjectPtr anAIS = SketcherPrs_Factory::lengthDimensionConstraint(this, sketch()->coordinatePlane(),
146 //*************************************************************************************
147 void SketchPlugin_ConstraintDistance::move(double theDeltaX, double theDeltaY)
149 std::shared_ptr<ModelAPI_Data> aData = data();
150 if (!aData->isValid())
153 // Recalculate a shift of flyout point in terms of local coordinates
154 std::shared_ptr<GeomAPI_XY> aDir(new GeomAPI_XY(theDeltaX, theDeltaY));
155 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
156 std::shared_ptr<GeomDataAPI_Point2D> aPointA = SketcherPrs_Tools::getFeaturePoint(
157 data(), SketchPlugin_Constraint::ENTITY_A(), aPlane);
158 std::shared_ptr<GeomDataAPI_Point2D> aPointB = SketcherPrs_Tools::getFeaturePoint(
159 data(), SketchPlugin_Constraint::ENTITY_B(), aPlane);
161 std::shared_ptr<GeomAPI_XY> aStartPnt;
162 std::shared_ptr<GeomAPI_XY> aEndPnt;
163 if (aPointA && aPointB) {
164 aStartPnt = aPointA->pnt()->xy();
165 aEndPnt = aPointB->pnt()->xy();
166 } else if (aPointA) {
167 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
168 SketchPlugin_Constraint::ENTITY_B());
171 std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointA->pnt();
172 aStartPnt = aPoint->xy();
173 aEndPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
174 } else if (aPointB) {
175 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
176 SketchPlugin_Constraint::ENTITY_A());
179 std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointB->pnt();
180 aStartPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
181 aEndPnt = aPoint->xy();
185 std::shared_ptr<GeomAPI_Dir2d> aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
186 double dX = aDir->dot(aLineDir->xy());
187 double dY = -aDir->cross(aLineDir->xy());
189 std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
190 aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
191 myFlyoutUpdate = true;
192 aPoint->setValue(aPoint->x() + dX, aPoint->y() + dY);
193 myFlyoutUpdate = false;
196 double SketchPlugin_ConstraintDistance::calculateCurrentDistance()
198 double aDistance = -1.;
200 std::shared_ptr<ModelAPI_Data> aData = data();
201 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
202 std::shared_ptr<GeomDataAPI_Point2D> aPointA =
203 SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A(), aPlane);
204 std::shared_ptr<GeomDataAPI_Point2D> aPointB =
205 SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B(), aPlane);
207 if (aPointA.get() && aPointB.get()) { // both points
208 aDistance = aPointA->pnt()->distance(aPointB->pnt());
210 FeaturePtr aLineFeature;
211 std::shared_ptr<SketchPlugin_Line> aLine;
212 if (!aPointA.get() && aPointB.get()) { //Line and point
213 aLineFeature = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
214 aLine = std::dynamic_pointer_cast<SketchPlugin_Line>(aLineFeature);
216 aDistance = aLine->distanceToPoint(aPointB->pnt());
218 } else if (aPointA.get() && !aPointB.get()) { // Point and line
219 aLineFeature = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
220 aLine = std::dynamic_pointer_cast<SketchPlugin_Line>(aLineFeature);
222 aDistance = aLine->distanceToPoint(aPointA->pnt());
229 void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID)
231 if (theID == SketchPlugin_Constraint::ENTITY_A() ||
232 theID == SketchPlugin_Constraint::ENTITY_B())
234 std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
235 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
236 if (!aValueAttr->isInitialized()) { // only if it is not initialized, try to compute the current value
237 double aDistance = calculateCurrentDistance();
238 if (aDistance > 0) { // set as value the length of updated references
239 aValueAttr->setValue(aDistance);
242 } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) {
243 myFlyoutUpdate = true;
244 // Recalculate flyout point in local coordinates of the distance constraint:
245 // the X coordinate is a length of projection of the flyout point on the line binding two distanced points
246 // or a line of projection of the distanced point onto the distanced segment
247 // the Y coordinate is a distance from the flyout point to the line
248 std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
249 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
250 attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
251 std::shared_ptr<GeomAPI_Pnt2d> aFlyoutPnt = aFlyoutAttr->pnt();
253 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
254 std::shared_ptr<GeomDataAPI_Point2D> aPointA = SketcherPrs_Tools::getFeaturePoint(
255 data(), SketchPlugin_Constraint::ENTITY_A(), aPlane);
256 std::shared_ptr<GeomDataAPI_Point2D> aPointB = SketcherPrs_Tools::getFeaturePoint(
257 data(), SketchPlugin_Constraint::ENTITY_B(), aPlane);
259 std::shared_ptr<GeomAPI_XY> aStartPnt;
260 std::shared_ptr<GeomAPI_XY> aEndPnt;
261 if (aPointA && aPointB) {
262 aStartPnt = aPointA->pnt()->xy();
263 aEndPnt = aPointB->pnt()->xy();
264 } else if (aPointA) {
265 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
266 SketchPlugin_Constraint::ENTITY_B());
269 std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointA->pnt();
270 aStartPnt = aPoint->xy();
271 aEndPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
272 } else if (aPointB) {
273 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
274 SketchPlugin_Constraint::ENTITY_A());
277 std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointB->pnt();
278 aStartPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
279 aEndPnt = aPoint->xy();
283 if (aEndPnt->distance(aStartPnt) < tolerance)
286 std::shared_ptr<GeomAPI_Dir2d> aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
287 std::shared_ptr<GeomAPI_XY> aFlyoutDir = aFlyoutPnt->xy()->decreased(aStartPnt);
289 double X = aFlyoutDir->dot(aLineDir->xy());
290 double Y = -aFlyoutDir->cross(aLineDir->xy());
291 aFlyoutAttr->setValue(X, Y);
292 myFlyoutUpdate = false;