1 // Copyright (C) 2014-2017 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
18 // email : webmaster.salome@opencascade.com<mailto:webmaster.salome@opencascade.com>
21 #include "SketchPlugin_ConstraintDistance.h"
22 #include <SketchPlugin_Point.h>
23 #include <SketchPlugin_Circle.h>
24 #include <SketchPlugin_Line.h>
26 #include <SketcherPrs_Tools.h>
27 #include <SketcherPrs_Factory.h>
29 #include <GeomAPI_Dir2d.h>
30 #include <GeomAPI_Lin2d.h>
31 #include <GeomAPI_Pnt2d.h>
32 #include <GeomAPI_XY.h>
33 #include <GeomDataAPI_Point2D.h>
35 #include <ModelAPI_AttributeDouble.h>
36 #include <ModelAPI_AttributeInteger.h>
37 #include <ModelAPI_Data.h>
39 #include <Config_PropManager.h>
43 const double tolerance = 1e-7;
46 SketchPlugin_ConstraintDistance::SketchPlugin_ConstraintDistance()
48 myFlyoutUpdate = false;
51 //*************************************************************************************
52 void SketchPlugin_ConstraintDistance::initAttributes()
54 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
55 data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::typeId());
56 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
57 data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
58 data()->addAttribute(SIGNED(), ModelAPI_AttributeBoolean::typeId());
60 data()->addAttribute(SketchPlugin_ConstraintDistance::LOCATION_TYPE_ID(),
61 ModelAPI_AttributeInteger::typeId());
62 data()->integer(LOCATION_TYPE_ID())->setValue(SketcherPrs_Tools::LOCATION_AUTOMATIC);
65 void SketchPlugin_ConstraintDistance::colorConfigInfo(std::string& theSection, std::string& theName,
66 std::string& theDefault)
68 theSection = "Visualization";
69 theName = "sketch_dimension_color";
70 theDefault = SKETCH_DIMENSION_COLOR;
73 //*************************************************************************************
74 void SketchPlugin_ConstraintDistance::execute()
76 std::shared_ptr<ModelAPI_Data> aData = data();
77 AttributeDoublePtr anAttrValue = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
78 aData->attribute(SketchPlugin_Constraint::VALUE()));
80 if(anAttrValue->isInitialized())
83 double aDistance = calculateCurrentDistance();
85 anAttrValue->setValue(aDistance);
88 //*************************************************************************************
89 AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevious)
94 AISObjectPtr anAIS = SketcherPrs_Factory::lengthDimensionConstraint(this,
95 sketch()->coordinatePlane(),
100 double SketchPlugin_ConstraintDistance::calculateCurrentDistance()
102 double aDistance = -1.;
104 std::shared_ptr<ModelAPI_Data> aData = data();
105 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
106 std::shared_ptr<GeomDataAPI_Point2D> aPointA =
107 SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A(), aPlane);
108 std::shared_ptr<GeomDataAPI_Point2D> aPointB =
109 SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B(), aPlane);
111 if (aPointA.get() && aPointB.get()) { // both points
112 aDistance = aPointA->pnt()->distance(aPointB->pnt());
114 FeaturePtr aLineFeature;
115 std::shared_ptr<SketchPlugin_Line> aLine;
116 if (!aPointA.get() && aPointB.get()) { //Line and point
117 aLineFeature = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
118 aLine = std::dynamic_pointer_cast<SketchPlugin_Line>(aLineFeature);
120 aDistance = aLine->distanceToPoint(aPointB->pnt());
122 } else if (aPointA.get() && !aPointB.get()) { // Point and line
123 aLineFeature = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
124 aLine = std::dynamic_pointer_cast<SketchPlugin_Line>(aLineFeature);
126 aDistance = aLine->distanceToPoint(aPointA->pnt());
133 bool SketchPlugin_ConstraintDistance::areAttributesInitialized()
135 std::shared_ptr<ModelAPI_Data> aData = data();
136 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
137 std::shared_ptr<GeomDataAPI_Point2D> aPointA =
138 SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A(), aPlane);
139 std::shared_ptr<GeomDataAPI_Point2D> aPointB =
140 SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B(), aPlane);
142 if (!aPointA && !aPointB)
144 else if (aPointA || aPointB) {
147 aLine = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
149 aLine = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
150 else // both points are initialized
153 if (!aLine || aLine->getKind() != SketchPlugin_Line::ID())
159 void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID)
161 if (theID == SketchPlugin_Constraint::ENTITY_A() ||
162 theID == SketchPlugin_Constraint::ENTITY_B())
164 std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
165 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
166 if (!aValueAttr->isInitialized()) {
167 // only if it is not initialized, try to compute the current value
168 double aDistance = calculateCurrentDistance();
169 if (aDistance > 0) { // set as value the length of updated references
170 aValueAttr->setValue(aDistance);
173 } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) {
174 // Recalculate flyout point in local coordinates of the distance constraint:
175 // the X coordinate is a length of projection of the flyout point on the
176 // line binding two distanced points
177 // or a line of projection of the distanced point onto the distanced segment
178 // the Y coordinate is a distance from the flyout point to the line
179 std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
180 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
181 attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
182 std::shared_ptr<GeomAPI_Pnt2d> aFlyoutPnt = aFlyoutAttr->pnt();
184 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
185 std::shared_ptr<GeomDataAPI_Point2D> aPointA = SketcherPrs_Tools::getFeaturePoint(
186 data(), SketchPlugin_Constraint::ENTITY_A(), aPlane);
187 std::shared_ptr<GeomDataAPI_Point2D> aPointB = SketcherPrs_Tools::getFeaturePoint(
188 data(), SketchPlugin_Constraint::ENTITY_B(), aPlane);
190 std::shared_ptr<GeomAPI_XY> aStartPnt;
191 std::shared_ptr<GeomAPI_XY> aEndPnt;
192 if (aPointA && aPointB) {
193 aStartPnt = aPointA->pnt()->xy();
194 aEndPnt = aPointB->pnt()->xy();
195 } else if (aPointA) {
196 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
197 SketchPlugin_Constraint::ENTITY_B());
200 std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointA->pnt();
201 aStartPnt = aPoint->xy();
202 aEndPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
203 } else if (aPointB) {
204 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(),
205 SketchPlugin_Constraint::ENTITY_A());
208 std::shared_ptr<GeomAPI_Pnt2d> aPoint = aPointB->pnt();
209 aStartPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
210 aEndPnt = aPoint->xy();
214 if (aEndPnt->distance(aStartPnt) < tolerance)
217 myFlyoutUpdate = true;
218 std::shared_ptr<GeomAPI_Dir2d> aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
219 std::shared_ptr<GeomAPI_XY> aFlyoutDir = aFlyoutPnt->xy()->decreased(aStartPnt);
221 double X = aFlyoutDir->dot(aLineDir->xy());
222 double Y = -aFlyoutDir->cross(aLineDir->xy());
223 aFlyoutAttr->setValue(X, Y);
224 myFlyoutUpdate = false;