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_ConstraintAngle.h"
22 #include <SketchPlugin_Line.h>
24 #include <ModelAPI_AttributeDouble.h>
25 #include <ModelAPI_AttributeInteger.h>
27 #include <GeomDataAPI_Point2D.h>
29 #include <GeomAPI_Angle2d.h>
30 #include <GeomAPI_Dir2d.h>
31 #include <GeomAPI_Lin2d.h>
32 #include <GeomAPI_Pnt2d.h>
33 #include <GeomAPI_XY.h>
35 #include <SketcherPrs_Factory.h>
36 #include <SketcherPrs_Tools.h>
40 const double tolerance = 1.e-7;
41 #define PI 3.1415926535897932
43 /// \brief Calculate intersection point of two lines
44 static std::shared_ptr<GeomAPI_Pnt2d> intersect(FeaturePtr theLine1, FeaturePtr theLine2);
47 SketchPlugin_ConstraintAngle::SketchPlugin_ConstraintAngle()
49 myFlyoutUpdate = false;
52 void SketchPlugin_ConstraintAngle::initAttributes()
54 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
55 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
56 data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
57 data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::typeId());
59 data()->addAttribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID(),
60 ModelAPI_AttributeDouble::typeId());
61 data()->addAttribute(SketchPlugin_ConstraintAngle::TYPE_ID(),
62 ModelAPI_AttributeInteger::typeId());
64 data()->addAttribute(SketchPlugin_ConstraintAngle::ANGLE_REVERSED_FIRST_LINE_ID(),
65 ModelAPI_AttributeBoolean::typeId());
66 data()->addAttribute(SketchPlugin_ConstraintAngle::ANGLE_REVERSED_SECOND_LINE_ID(),
67 ModelAPI_AttributeBoolean::typeId());
69 data()->addAttribute(SketchPlugin_ConstraintAngle::LOCATION_TYPE_ID(),
70 ModelAPI_AttributeInteger::typeId());
73 void SketchPlugin_ConstraintAngle::colorConfigInfo(std::string& theSection, std::string& theName,
74 std::string& theDefault)
76 theSection = "Visualization";
77 theName = "sketch_dimension_color";
78 theDefault = SKETCH_DIMENSION_COLOR;
81 void SketchPlugin_ConstraintAngle::execute()
83 std::shared_ptr<ModelAPI_Data> aData = data();
85 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttrA =
86 aData->refattr(SketchPlugin_Constraint::ENTITY_A());
87 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttrB =
88 aData->refattr(SketchPlugin_Constraint::ENTITY_B());
89 if (!anAttrA->isInitialized() || !anAttrB->isInitialized())
92 AttributeDoublePtr anAttrValue = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
93 aData->attribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()));
95 if (!anAttrValue->isInitialized()) {
96 double anAngle = calculateAngle();
97 anAttrValue->setValue(anAngle);
98 updateConstraintValueByAngleValue();
100 // the value should to be computed here, not in the
101 // getAISObject in order to change the model value
102 // inside the object transaction. This is important for creating a constraint by preselection.
103 // The display of the presentation in this case happens after the transaction commit
104 std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
105 GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
106 if(!aFlyOutAttr->isInitialized())
107 compute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
110 AISObjectPtr SketchPlugin_ConstraintAngle::getAISObject(AISObjectPtr thePrevious)
115 AISObjectPtr anAIS = SketcherPrs_Factory::angleConstraint(this, sketch()->coordinatePlane(),
120 void SketchPlugin_ConstraintAngle::attributeChanged(const std::string& theID)
122 std::shared_ptr<ModelAPI_Data> aData = data();
125 FeaturePtr aLineA = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
126 FeaturePtr aLineB = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
127 if (!aLineA || !aLineB)
130 if (theID == SketchPlugin_Constraint::ENTITY_A() ||
131 theID == SketchPlugin_Constraint::ENTITY_B()) {
132 AttributeDoublePtr aValueAttr = real(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID());
133 AttributeDoublePtr aConstrValueAttr = real(SketchPlugin_Constraint::VALUE());
134 // only if one of attributes is not initialized, try to compute the current value
135 if (!aValueAttr->isInitialized() || !aConstrValueAttr->isInitialized()) {
136 if (aValueAttr->isInitialized() && !aConstrValueAttr->isInitialized())
137 // initialize base value of constraint
138 updateConstraintValueByAngleValue();
139 double anAngle = calculateAngle();
140 aValueAttr->setValue(anAngle);
141 updateConstraintValueByAngleValue();
143 } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) {
144 // Recalculate flyout point in local coordinates
145 // coordinates are calculated according to the center of shapes intersection
146 std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
147 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
148 attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
150 std::shared_ptr<ModelAPI_Data> aData = data();
151 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
153 SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
155 SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
157 // Intersection of lines
158 std::shared_ptr<GeomAPI_Pnt2d> anInter = intersect(aLineA, aLineB);
162 myFlyoutUpdate = true;
163 std::shared_ptr<GeomAPI_XY> aFlyoutDir = aFlyoutAttr->pnt()->xy()->decreased(anInter->xy());
164 if (aFlyoutDir->dot(aFlyoutDir) < tolerance * tolerance)
165 aFlyoutAttr->setValue(aFlyoutAttr->x() + tolerance, aFlyoutAttr->y());
166 myFlyoutUpdate = false;
168 else if (theID == SketchPlugin_ConstraintAngle::TYPE_ID()) {
169 std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
170 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()));
171 double anAngle = calculateAngle();
172 if (aValueAttr->text().empty())
173 aValueAttr->setValue(anAngle);
175 aValueAttr = std::dynamic_pointer_cast<
176 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_ConstraintAngle::VALUE()));
177 aValueAttr->setValue(anAngle);
180 else if (theID == SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()) {
181 updateConstraintValueByAngleValue();
185 double SketchPlugin_ConstraintAngle::calculateAngle()
187 std::shared_ptr<ModelAPI_Data> aData = data();
188 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
189 FeaturePtr aLineA = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
190 FeaturePtr aLineB = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
192 std::shared_ptr<GeomDataAPI_Point2D> aStartA = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
193 aLineA->attribute(SketchPlugin_Line::START_ID()));
194 std::shared_ptr<GeomDataAPI_Point2D> aEndA = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
195 aLineA->attribute(SketchPlugin_Line::END_ID()));
196 std::shared_ptr<GeomDataAPI_Point2D> aStartB = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
197 aLineB->attribute(SketchPlugin_Line::START_ID()));
198 std::shared_ptr<GeomDataAPI_Point2D> aEndB = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
199 aLineB->attribute(SketchPlugin_Line::END_ID()));
201 std::shared_ptr<GeomAPI_Angle2d> anAng;
202 if (!attribute(ANGLE_REVERSED_FIRST_LINE_ID())->isInitialized() ||
203 !attribute(ANGLE_REVERSED_SECOND_LINE_ID())->isInitialized())
204 anAng = std::shared_ptr<GeomAPI_Angle2d>(new GeomAPI_Angle2d(
205 aStartA->pnt(), aEndA->pnt(), aStartB->pnt(), aEndB->pnt()));
207 std::shared_ptr<GeomAPI_Lin2d> aLine1(new GeomAPI_Lin2d(aStartA->pnt(), aEndA->pnt()));
208 bool isReversed1 = boolean(ANGLE_REVERSED_FIRST_LINE_ID())->value();
209 std::shared_ptr<GeomAPI_Lin2d> aLine2(new GeomAPI_Lin2d(aStartB->pnt(), aEndB->pnt()));
210 bool isReversed2 = boolean(ANGLE_REVERSED_SECOND_LINE_ID())->value();
211 anAng = std::shared_ptr<GeomAPI_Angle2d>(
212 new GeomAPI_Angle2d(aLine1, isReversed1, aLine2, isReversed2));
214 double anAngle = anAng->angleDegree();
215 std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
216 ModelAPI_AttributeDouble>(data()->attribute(VALUE()));
217 std::shared_ptr<ModelAPI_AttributeDouble> anAngleValueAttr = std::dynamic_pointer_cast<
218 ModelAPI_AttributeDouble>(data()->attribute(ANGLE_VALUE_ID()));
219 if (!aValueAttr->isInitialized())
220 aValueAttr->setValue(anAngle);
221 /// an angle value should be corrected by the current angle type
222 anAngle = getAngleForType(anAngleValueAttr->text().empty() ?
223 anAngle : anAngleValueAttr->value());
224 boolean(ANGLE_REVERSED_FIRST_LINE_ID())->setValue(anAng->isReversed(0));
225 boolean(ANGLE_REVERSED_SECOND_LINE_ID())->setValue(anAng->isReversed(1));
229 double SketchPlugin_ConstraintAngle::getAngleForType(double theAngle, bool isPreviousValueObtuse)
231 double anAngle = theAngle;
233 std::shared_ptr<ModelAPI_Data> aData = data();
234 std::shared_ptr<ModelAPI_AttributeInteger> aTypeAttr = std::dynamic_pointer_cast<
235 ModelAPI_AttributeInteger>(aData->attribute(SketchPlugin_ConstraintAngle::TYPE_ID()));
236 SketcherPrs_Tools::AngleType anAngleType = (SketcherPrs_Tools::AngleType)(aTypeAttr->value());
237 switch (anAngleType) {
238 case SketcherPrs_Tools::ANGLE_DIRECT:
241 case SketcherPrs_Tools::ANGLE_COMPLEMENTARY: {
242 if (theAngle > 180 || isPreviousValueObtuse)
243 anAngle = theAngle - 180.0;
245 anAngle = 180.0 - theAngle;
251 case SketcherPrs_Tools::ANGLE_BACKWARD:
252 anAngle = 360.0 - theAngle;
260 void SketchPlugin_ConstraintAngle::updateConstraintValueByAngleValue()
262 std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
263 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()));
264 double anAngle = aValueAttr->value();
266 /// an angle value should be corrected by the current angle type
267 aValueAttr = std::dynamic_pointer_cast<
268 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
269 if (!aValueAttr->isInitialized())
271 anAngle = getAngleForType(anAngle, aValueAttr->value() > 180.0);
272 aValueAttr->setValue(anAngle);
275 bool SketchPlugin_ConstraintAngle::compute(const std::string& theAttributeId)
277 if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
282 std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
283 GeomDataAPI_Point2D>(attribute(theAttributeId));
284 if (aFlyOutAttr->isInitialized() &&
285 (fabs(aFlyOutAttr->x()) >= tolerance || fabs(aFlyOutAttr->y()) >= tolerance))
288 DataPtr aData = data();
289 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
290 FeaturePtr aLineA = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
291 FeaturePtr aLineB = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
293 if ((aLineA.get() == NULL) || (aLineB.get() == NULL))
296 // Start and end points of lines
297 std::shared_ptr<GeomDataAPI_Point2D> aPointA1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
298 aLineA->attribute(SketchPlugin_Line::START_ID()));
299 std::shared_ptr<GeomDataAPI_Point2D> aPointA2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
300 aLineA->attribute(SketchPlugin_Line::END_ID()));
302 std::shared_ptr<GeomAPI_Pnt2d> aStartA = aPointA1->pnt();
303 std::shared_ptr<GeomAPI_Pnt2d> aEndA = aPointA2->pnt();
304 if (aStartA->distance(aEndA) < tolerance)
307 myFlyoutUpdate = true;
308 double aX = (aStartA->x() + aEndA->x()) / 2.;
309 double aY = (aStartA->y() + aEndA->y()) / 2.;
311 aFlyOutAttr->setValue(aX, aY);
312 myFlyoutUpdate = false;
318 // =============== Auxiliary functions ==================================
319 std::shared_ptr<GeomAPI_Pnt2d> intersect(FeaturePtr theLine1, FeaturePtr theLine2)
321 // Start and end points of lines
322 std::shared_ptr<GeomDataAPI_Point2D> aPointA1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
323 theLine1->attribute(SketchPlugin_Line::START_ID()));
324 std::shared_ptr<GeomDataAPI_Point2D> aPointA2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
325 theLine1->attribute(SketchPlugin_Line::END_ID()));
327 std::shared_ptr<GeomDataAPI_Point2D> aPointB1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
328 theLine2->attribute(SketchPlugin_Line::START_ID()));
329 std::shared_ptr<GeomDataAPI_Point2D> aPointB2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
330 theLine2->attribute(SketchPlugin_Line::END_ID()));
332 std::shared_ptr<GeomAPI_Pnt2d> aStartA = aPointA1->pnt();
333 std::shared_ptr<GeomAPI_Pnt2d> aEndA = aPointA2->pnt();
334 std::shared_ptr<GeomAPI_Pnt2d> aStartB = aPointB1->pnt();
335 std::shared_ptr<GeomAPI_Pnt2d> aEndB = aPointB2->pnt();
336 if (aStartA->distance(aEndA) < tolerance || aStartB->distance(aEndB) < tolerance)
337 std::shared_ptr<GeomAPI_Pnt2d>();
339 // Lines and their intersection point
340 std::shared_ptr<GeomAPI_Lin2d> aLA(new GeomAPI_Lin2d(aStartA, aEndA));
341 std::shared_ptr<GeomAPI_Lin2d> aLB(new GeomAPI_Lin2d(aStartB, aEndB));
342 return aLA->intersect(aLB);