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>
23 #include <SketcherPrs_Tools.h>
25 #include <ModelAPI_AttributeDouble.h>
26 #include <ModelAPI_AttributeInteger.h>
27 #include <ModelAPI_Session.h>
28 #include <ModelAPI_Validator.h>
30 #include <GeomDataAPI_Point2D.h>
32 #include <GeomAPI_Angle2d.h>
33 #include <GeomAPI_Dir2d.h>
34 #include <GeomAPI_Lin2d.h>
35 #include <GeomAPI_Pnt2d.h>
36 #include <GeomAPI_XY.h>
38 #include <SketcherPrs_Factory.h>
39 #include <SketcherPrs_Tools.h>
43 const double tolerance = 1.e-7;
44 #define PI 3.1415926535897932
46 /// \brief Calculate intersection point of two lines
47 static std::shared_ptr<GeomAPI_Pnt2d> intersect(FeaturePtr theLine1, FeaturePtr theLine2);
50 SketchPlugin_ConstraintAngle::SketchPlugin_ConstraintAngle()
52 myFlyoutUpdate = false;
55 void SketchPlugin_ConstraintAngle::initAttributes()
57 data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId());
58 data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId());
59 data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId());
60 data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::typeId());
62 data()->addAttribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID(),
63 ModelAPI_AttributeDouble::typeId());
64 data()->addAttribute(SketchPlugin_ConstraintAngle::TYPE_ID(),
65 ModelAPI_AttributeInteger::typeId());
67 data()->addAttribute(SketchPlugin_ConstraintAngle::ANGLE_REVERSED_FIRST_LINE_ID(),
68 ModelAPI_AttributeBoolean::typeId());
69 data()->addAttribute(SketchPlugin_ConstraintAngle::ANGLE_REVERSED_SECOND_LINE_ID(),
70 ModelAPI_AttributeBoolean::typeId());
72 data()->addAttribute(SketchPlugin_ConstraintAngle::LOCATION_TYPE_ID(),
73 ModelAPI_AttributeInteger::typeId());
74 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), LOCATION_TYPE_ID());
77 void SketchPlugin_ConstraintAngle::colorConfigInfo(std::string& theSection, std::string& theName,
78 std::string& theDefault)
80 theSection = "Visualization";
81 theName = "sketch_dimension_color";
82 theDefault = SKETCH_DIMENSION_COLOR;
85 void SketchPlugin_ConstraintAngle::execute()
87 std::shared_ptr<ModelAPI_Data> aData = data();
89 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttrA =
90 aData->refattr(SketchPlugin_Constraint::ENTITY_A());
91 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttrB =
92 aData->refattr(SketchPlugin_Constraint::ENTITY_B());
93 if (!anAttrA->isInitialized() || !anAttrB->isInitialized())
96 AttributeDoublePtr anAttrValue = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
97 aData->attribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()));
99 if (!anAttrValue->isInitialized()) {
100 double anAngle = calculateAngle();
101 anAttrValue->setValue(anAngle);
102 updateConstraintValueByAngleValue();
104 // the value should to be computed here, not in the
105 // getAISObject in order to change the model value
106 // inside the object transaction. This is important for creating a constraint by preselection.
107 // The display of the presentation in this case happens after the transaction commit
108 std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
109 GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
110 if(!aFlyOutAttr->isInitialized())
111 compute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
114 AISObjectPtr SketchPlugin_ConstraintAngle::getAISObject(AISObjectPtr thePrevious)
119 AISObjectPtr anAIS = SketcherPrs_Factory::angleConstraint(this, sketch()->coordinatePlane(),
124 void SketchPlugin_ConstraintAngle::attributeChanged(const std::string& theID)
126 std::shared_ptr<ModelAPI_Data> aData = data();
129 FeaturePtr aLineA = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
130 FeaturePtr aLineB = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
131 if (!aLineA || !aLineB)
134 if (theID == SketchPlugin_Constraint::ENTITY_A() ||
135 theID == SketchPlugin_Constraint::ENTITY_B()) {
136 AttributeDoublePtr aValueAttr = real(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID());
137 AttributeDoublePtr aConstrValueAttr = real(SketchPlugin_Constraint::VALUE());
138 // only if one of attributes is not initialized, try to compute the current value
139 if (!aValueAttr->isInitialized() || !aConstrValueAttr->isInitialized()) {
140 if (aValueAttr->isInitialized() && !aConstrValueAttr->isInitialized())
141 // initialize base value of constraint
142 updateConstraintValueByAngleValue();
143 double anAngle = calculateAngle();
144 aValueAttr->setValue(anAngle);
145 updateConstraintValueByAngleValue();
147 } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) {
148 // Recalculate flyout point in local coordinates
149 // coordinates are calculated according to the center of shapes intersection
150 std::shared_ptr<GeomDataAPI_Point2D> aFlyoutAttr =
151 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
152 attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
154 std::shared_ptr<ModelAPI_Data> aData = data();
155 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
157 SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
159 SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
161 // Intersection of lines
162 std::shared_ptr<GeomAPI_Pnt2d> anInter = intersect(aLineA, aLineB);
166 myFlyoutUpdate = true;
167 std::shared_ptr<GeomAPI_XY> aFlyoutDir = aFlyoutAttr->pnt()->xy()->decreased(anInter->xy());
168 if (aFlyoutDir->dot(aFlyoutDir) < tolerance * tolerance)
169 aFlyoutAttr->setValue(aFlyoutAttr->x() + tolerance, aFlyoutAttr->y());
170 myFlyoutUpdate = false;
172 else if (theID == SketchPlugin_ConstraintAngle::TYPE_ID()) {
173 std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
174 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()));
175 double anAngle = calculateAngle();
176 if (aValueAttr->text().empty())
177 aValueAttr->setValue(anAngle);
179 aValueAttr = std::dynamic_pointer_cast<
180 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_ConstraintAngle::VALUE()));
181 aValueAttr->setValue(anAngle);
184 else if (theID == SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()) {
185 updateConstraintValueByAngleValue();
189 double SketchPlugin_ConstraintAngle::calculateAngle()
191 std::shared_ptr<ModelAPI_Data> aData = data();
192 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
193 FeaturePtr aLineA = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
194 FeaturePtr aLineB = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
196 std::shared_ptr<GeomDataAPI_Point2D> aStartA = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
197 aLineA->attribute(SketchPlugin_Line::START_ID()));
198 std::shared_ptr<GeomDataAPI_Point2D> aEndA = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
199 aLineA->attribute(SketchPlugin_Line::END_ID()));
200 std::shared_ptr<GeomDataAPI_Point2D> aStartB = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
201 aLineB->attribute(SketchPlugin_Line::START_ID()));
202 std::shared_ptr<GeomDataAPI_Point2D> aEndB = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
203 aLineB->attribute(SketchPlugin_Line::END_ID()));
205 std::shared_ptr<GeomAPI_Angle2d> anAng;
206 if (!attribute(ANGLE_REVERSED_FIRST_LINE_ID())->isInitialized() ||
207 !attribute(ANGLE_REVERSED_SECOND_LINE_ID())->isInitialized())
208 anAng = std::shared_ptr<GeomAPI_Angle2d>(new GeomAPI_Angle2d(
209 aStartA->pnt(), aEndA->pnt(), aStartB->pnt(), aEndB->pnt()));
211 std::shared_ptr<GeomAPI_Lin2d> aLine1(new GeomAPI_Lin2d(aStartA->pnt(), aEndA->pnt()));
212 bool isReversed1 = boolean(ANGLE_REVERSED_FIRST_LINE_ID())->value();
213 std::shared_ptr<GeomAPI_Lin2d> aLine2(new GeomAPI_Lin2d(aStartB->pnt(), aEndB->pnt()));
214 bool isReversed2 = boolean(ANGLE_REVERSED_SECOND_LINE_ID())->value();
215 anAng = std::shared_ptr<GeomAPI_Angle2d>(
216 new GeomAPI_Angle2d(aLine1, isReversed1, aLine2, isReversed2));
218 double anAngle = anAng->angleDegree();
219 std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
220 ModelAPI_AttributeDouble>(data()->attribute(VALUE()));
221 std::shared_ptr<ModelAPI_AttributeDouble> anAngleValueAttr = std::dynamic_pointer_cast<
222 ModelAPI_AttributeDouble>(data()->attribute(ANGLE_VALUE_ID()));
223 if (!aValueAttr->isInitialized())
224 aValueAttr->setValue(anAngle);
225 /// an angle value should be corrected by the current angle type
226 anAngle = getAngleForType(anAngleValueAttr->text().empty() ?
227 anAngle : anAngleValueAttr->value());
228 boolean(ANGLE_REVERSED_FIRST_LINE_ID())->setValue(anAng->isReversed(0));
229 boolean(ANGLE_REVERSED_SECOND_LINE_ID())->setValue(anAng->isReversed(1));
233 double SketchPlugin_ConstraintAngle::getAngleForType(double theAngle, bool isPreviousValueObtuse)
235 double anAngle = theAngle;
237 std::shared_ptr<ModelAPI_Data> aData = data();
238 std::shared_ptr<ModelAPI_AttributeInteger> aTypeAttr = std::dynamic_pointer_cast<
239 ModelAPI_AttributeInteger>(aData->attribute(SketchPlugin_ConstraintAngle::TYPE_ID()));
240 SketcherPrs_Tools::AngleType anAngleType = (SketcherPrs_Tools::AngleType)(aTypeAttr->value());
241 switch (anAngleType) {
242 case SketcherPrs_Tools::ANGLE_DIRECT:
245 case SketcherPrs_Tools::ANGLE_COMPLEMENTARY: {
246 if (theAngle > 180 || isPreviousValueObtuse)
247 anAngle = theAngle - 180.0;
249 anAngle = 180.0 - theAngle;
255 case SketcherPrs_Tools::ANGLE_BACKWARD:
256 anAngle = 360.0 - theAngle;
264 void SketchPlugin_ConstraintAngle::updateConstraintValueByAngleValue()
266 std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
267 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_ConstraintAngle::ANGLE_VALUE_ID()));
268 double anAngle = aValueAttr->value();
270 /// an angle value should be corrected by the current angle type
271 aValueAttr = std::dynamic_pointer_cast<
272 ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
273 if (!aValueAttr->isInitialized())
275 anAngle = getAngleForType(anAngle, aValueAttr->value() > 180.0);
276 aValueAttr->setValue(anAngle);
279 bool SketchPlugin_ConstraintAngle::compute(const std::string& theAttributeId)
281 if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
286 std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
287 GeomDataAPI_Point2D>(attribute(theAttributeId));
288 if (aFlyOutAttr->isInitialized() &&
289 (fabs(aFlyOutAttr->x()) >= tolerance || fabs(aFlyOutAttr->y()) >= tolerance))
292 DataPtr aData = data();
293 std::shared_ptr<GeomAPI_Ax3> aPlane = SketchPlugin_Sketch::plane(sketch());
294 FeaturePtr aLineA = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
295 FeaturePtr aLineB = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
297 if ((aLineA.get() == NULL) || (aLineB.get() == NULL))
300 // Start and end points of lines
301 std::shared_ptr<GeomDataAPI_Point2D> aPointA1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
302 aLineA->attribute(SketchPlugin_Line::START_ID()));
303 std::shared_ptr<GeomDataAPI_Point2D> aPointA2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
304 aLineA->attribute(SketchPlugin_Line::END_ID()));
306 std::shared_ptr<GeomAPI_Pnt2d> aStartA = aPointA1->pnt();
307 std::shared_ptr<GeomAPI_Pnt2d> aEndA = aPointA2->pnt();
308 if (aStartA->distance(aEndA) < tolerance)
311 myFlyoutUpdate = true;
312 double aX = (aStartA->x() + aEndA->x()) / 2.;
313 double aY = (aStartA->y() + aEndA->y()) / 2.;
315 aFlyOutAttr->setValue(aX, aY);
316 myFlyoutUpdate = false;
322 // =============== Auxiliary functions ==================================
323 std::shared_ptr<GeomAPI_Pnt2d> intersect(FeaturePtr theLine1, FeaturePtr theLine2)
325 // Start and end points of lines
326 std::shared_ptr<GeomDataAPI_Point2D> aPointA1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
327 theLine1->attribute(SketchPlugin_Line::START_ID()));
328 std::shared_ptr<GeomDataAPI_Point2D> aPointA2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
329 theLine1->attribute(SketchPlugin_Line::END_ID()));
331 std::shared_ptr<GeomDataAPI_Point2D> aPointB1 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
332 theLine2->attribute(SketchPlugin_Line::START_ID()));
333 std::shared_ptr<GeomDataAPI_Point2D> aPointB2 = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
334 theLine2->attribute(SketchPlugin_Line::END_ID()));
336 std::shared_ptr<GeomAPI_Pnt2d> aStartA = aPointA1->pnt();
337 std::shared_ptr<GeomAPI_Pnt2d> aEndA = aPointA2->pnt();
338 std::shared_ptr<GeomAPI_Pnt2d> aStartB = aPointB1->pnt();
339 std::shared_ptr<GeomAPI_Pnt2d> aEndB = aPointB2->pnt();
340 if (aStartA->distance(aEndA) < tolerance || aStartB->distance(aEndB) < tolerance)
341 std::shared_ptr<GeomAPI_Pnt2d>();
343 // Lines and their intersection point
344 std::shared_ptr<GeomAPI_Lin2d> aLA(new GeomAPI_Lin2d(aStartA, aEndA));
345 std::shared_ptr<GeomAPI_Lin2d> aLB(new GeomAPI_Lin2d(aStartB, aEndB));
346 return aLA->intersect(aLB);