1 // Copyright (C) 2014-2019 CEA/DEN, EDF R&D
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
20 #include "SketchPlugin_ConstraintDistance.h"
21 #include <SketchPlugin_Point.h>
22 #include <SketchPlugin_Circle.h>
23 #include <SketchPlugin_Line.h>
25 #include <SketcherPrs_Tools.h>
26 #include <SketcherPrs_Factory.h>
28 #include <GeomAPI_Dir2d.h>
29 #include <GeomAPI_Lin2d.h>
30 #include <GeomAPI_Pnt2d.h>
31 #include <GeomAPI_XY.h>
32 #include <GeomDataAPI_Point2D.h>
33 #include <GeomDataAPI_Dir.h>
35 #include <ModelAPI_AttributeDouble.h>
36 #include <ModelAPI_AttributeInteger.h>
37 #include <ModelAPI_Data.h>
38 #include <ModelAPI_Session.h>
39 #include <ModelAPI_Validator.h>
41 #include <Config_PropManager.h>
45 const double tolerance = 1e-7;
48 SketchPlugin_ConstraintDistance::SketchPlugin_ConstraintDistance()
50 myFlyoutUpdate = false;
53 //*************************************************************************************
54 void SketchPlugin_ConstraintDistance::initAttributes()
56 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
57 data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::typeId());
58 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
59 data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
60 data()->addAttribute(SIGNED(), ModelAPI_AttributeBoolean::typeId());
62 data()->addAttribute(SketchPlugin_ConstraintDistance::LOCATION_TYPE_ID(),
63 ModelAPI_AttributeInteger::typeId());
64 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), LOCATION_TYPE_ID());
66 AttributePtr anAttr = data()->addAttribute(SketchPlugin_ConstraintDistance::DIRECTION_ID(),
67 GeomDataAPI_Dir::typeId());
68 anAttr->setIsArgument(false);
69 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), DIRECTION_ID());
72 void SketchPlugin_ConstraintDistance::colorConfigInfo(std::string& theSection, std::string& theName,
73 std::string& theDefault)
75 theSection = "Visualization";
76 theName = "sketch_dimension_color";
77 theDefault = SKETCH_DIMENSION_COLOR;
80 //*************************************************************************************
81 void SketchPlugin_ConstraintDistance::execute()
83 std::shared_ptr<ModelAPI_Data> aData = data();
84 AttributeDoublePtr anAttrValue = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
85 aData->attribute(SketchPlugin_Constraint::VALUE()));
87 if(anAttrValue->isInitialized())
90 double aDistance = calculateCurrentDistance();
92 anAttrValue->setValue(aDistance);
95 //*************************************************************************************
96 AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevious)
101 AISObjectPtr anAIS = SketcherPrs_Factory::lengthDimensionConstraint(this,
107 static std::shared_ptr<GeomAPI_Lin2d> getLine(DataPtr theData, const std::string& theAttrName)
109 FeaturePtr aLineFeature = SketcherPrs_Tools::getFeatureLine(theData, theAttrName);
111 return GeomLine2dPtr();
113 std::shared_ptr<GeomDataAPI_Point2D> aStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
114 aLineFeature->attribute(SketchPlugin_Line::START_ID()));
115 std::shared_ptr<GeomDataAPI_Point2D> aEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
116 aLineFeature->attribute(SketchPlugin_Line::END_ID()));
118 return GeomLine2dPtr(new GeomAPI_Lin2d(aStart->x(), aStart->y(), aEnd->x(), aEnd->y()));
121 double SketchPlugin_ConstraintDistance::calculateCurrentDistance()
123 double aDistance = -1.;
125 std::shared_ptr<ModelAPI_Data> aData = data();
126 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
127 std::shared_ptr<GeomDataAPI_Point2D> aPointA =
128 SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A(), aPlane);
129 std::shared_ptr<GeomDataAPI_Point2D> aPointB =
130 SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B(), aPlane);
132 GeomPnt2dPtr aGeomPntA, aGeomPntB;
134 if (aPointA.get() && aPointB.get()) { // both points
135 aGeomPntA = aPointA->pnt();
136 aGeomPntB = aPointB->pnt();
138 if (!aPointA.get() && aPointB.get()) { //Line and point
139 aLine = getLine(aData, SketchPlugin_Constraint::ENTITY_A());
140 aGeomPntB = aPointB->pnt();
141 aGeomPntA = aLine ? aLine->project(aGeomPntB) : GeomPnt2dPtr();
142 } else if (aPointA.get() && !aPointB.get()) { // Point and line
143 aLine = getLine(aData, SketchPlugin_Constraint::ENTITY_B());
144 aGeomPntA = aPointA->pnt();
145 aGeomPntB = aLine ? aLine->project(aGeomPntA) : GeomPnt2dPtr();
149 if (aGeomPntA.get() && aGeomPntB.get()) {
150 aDistance = aGeomPntA->distance(aGeomPntB);
151 if (aDistance < tolerance)
155 // keep the direction between arguments for processing of the zero distance
156 std::shared_ptr<GeomDataAPI_Dir> aPointPointDir =
157 std::dynamic_pointer_cast<GeomDataAPI_Dir>(attribute(DIRECTION_ID()));
158 if (aDistance > tolerance)
159 aPointPointDir->setValue(aGeomPntB->x() - aGeomPntA->x(), aGeomPntB->y() - aGeomPntA->y(), 0.0);
161 GeomDir2dPtr aLineDir = aLine->direction();
162 aPointPointDir->setValue(-aLineDir->y(), aLineDir->x(), 0.0);
168 bool SketchPlugin_ConstraintDistance::areAttributesInitialized()
170 std::shared_ptr<ModelAPI_Data> aData = data();
171 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
172 std::shared_ptr<GeomDataAPI_Point2D> aPointA =
173 SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A(), aPlane);
174 std::shared_ptr<GeomDataAPI_Point2D> aPointB =
175 SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B(), aPlane);
177 if (!aPointA && !aPointB)
179 else if (aPointA || aPointB) {
182 aLine = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
184 aLine = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
185 else // both points are initialized
188 if (!aLine || aLine->getKind() != SketchPlugin_Line::ID())
194 void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID)
196 if (theID == SketchPlugin_Constraint::ENTITY_A() ||
197 theID == SketchPlugin_Constraint::ENTITY_B())
199 std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
200 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
201 if (!aValueAttr->isInitialized()) {
202 // only if it is not initialized, try to compute the current value
203 double aDistance = calculateCurrentDistance();
204 if (aDistance >= 0) { // set as value the length of updated references
205 aValueAttr->setValue(aDistance);
208 } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) {
209 // Recalculate flyout point in local coordinates of the distance constraint:
210 // the X coordinate is a length of projection of the flyout point on the
211 // line binding two distanced points
212 // or a line of projection of the distanced point onto the distanced segment
213 // the Y coordinate is a distance from the flyout point to the line
214 std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
215 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
216 attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
217 std::shared_ptr<GeomAPI_Pnt2d> aFlyoutPnt = aFlyoutAttr->pnt();
219 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
220 std::shared_ptr<GeomDataAPI_Point2D> aPointA = SketcherPrs_Tools::getFeaturePoint(
221 data(), SketchPlugin_Constraint::ENTITY_A(), aPlane);
222 std::shared_ptr<GeomDataAPI_Point2D> aPointB = SketcherPrs_Tools::getFeaturePoint(
223 data(), SketchPlugin_Constraint::ENTITY_B(), aPlane);
225 std::shared_ptr<GeomAPI_XY> aStartPnt;
226 std::shared_ptr<GeomAPI_XY> aEndPnt;
227 if (aPointA && aPointB) {
228 aStartPnt = aPointA->pnt()->xy();
229 aEndPnt = aPointB->pnt()->xy();
230 } else if (aPointA) {
231 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
232 SketchPlugin_Constraint::ENTITY_B());
235 std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointA->pnt();
236 aStartPnt = aPoint->xy();
237 aEndPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
238 } else if (aPointB) {
239 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
240 SketchPlugin_Constraint::ENTITY_A());
243 std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointB->pnt();
244 aStartPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
245 aEndPnt = aPoint->xy();
249 if (aEndPnt->distance(aStartPnt) < tolerance)
252 myFlyoutUpdate = true;
253 std::shared_ptr<GeomAPI_Dir2d> aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
254 std::shared_ptr<GeomAPI_XY> aFlyoutDir = aFlyoutPnt->xy()->decreased(aStartPnt);
256 double X = aFlyoutDir->dot(aLineDir->xy());
257 double Y = -aFlyoutDir->cross(aLineDir->xy());
258 aFlyoutAttr->setValue(X, Y);
259 myFlyoutUpdate = false;