1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
3 // File: SketchPlugin_Arc.cpp
4 // Created: 26 Apr 2014
5 // Author: Artem ZHIDKOV
7 #include "SketchPlugin_Arc.h"
8 #include "SketchPlugin_Sketch.h"
9 #include <SketchPlugin_ConstraintCoincidence.h>
10 #include <SketchPlugin_ConstraintTangent.h>
12 #include <Events_Loop.h>
13 #include <ModelAPI_Data.h>
14 #include <ModelAPI_ResultConstruction.h>
15 #include <ModelAPI_AttributeDouble.h>
16 #include <ModelAPI_AttributeRefAttr.h>
17 #include <ModelAPI_AttributeSelection.h>
18 #include <ModelAPI_AttributeString.h>
19 #include <ModelAPI_Events.h>
20 #include <ModelAPI_Validator.h>
21 #include <ModelAPI_Session.h>
22 #include <ModelAPI_Tools.h>
24 #include <GeomAPI_Ax2.h>
25 #include <GeomAPI_Circ2d.h>
26 #include <GeomAPI_Circ.h>
27 #include <GeomAPI_Dir2d.h>
28 #include <GeomAPI_Dir.h>
29 #include <GeomAPI_Lin2d.h>
30 #include <GeomAPI_Lin.h>
31 #include <GeomAPI_Pnt2d.h>
32 #include <GeomAPI_Vertex.h>
33 #include <GeomAPI_XY.h>
34 #include <GeomDataAPI_Point2D.h>
35 #include <GeomDataAPI_Dir.h>
36 #include <GeomAlgoAPI_PointBuilder.h>
37 #include <GeomAlgoAPI_EdgeBuilder.h>
38 #include <GeomAlgoAPI_CompoundBuilder.h>
42 const double tolerance = 1e-7;
43 const double paramTolerance = 1.e-4;
44 const double PI = 3.141592653589793238463;
47 SketchPlugin_Arc::SketchPlugin_Arc()
48 : SketchPlugin_SketchEntity()
53 void SketchPlugin_Arc::initDerivedClassAttributes()
55 data()->addAttribute(CENTER_ID(), GeomDataAPI_Point2D::typeId());
56 data()->addAttribute(START_ID(), GeomDataAPI_Point2D::typeId());
57 data()->addAttribute(END_ID(), GeomDataAPI_Point2D::typeId());
59 data()->addAttribute(EXTERNAL_ID(), ModelAPI_AttributeSelection::typeId());
60 ModelAPI_Session::get()->validators()->registerNotObligatory(getKind(), EXTERNAL_ID());
62 AttributeBooleanPtr isReversed = std::dynamic_pointer_cast<ModelAPI_AttributeBoolean>(
63 data()->addAttribute(REVERSED_ID(), ModelAPI_AttributeBoolean::typeId()));
65 data()->addAttribute(RADIUS_ID(), ModelAPI_AttributeDouble::typeId());
66 data()->addAttribute(ANGLE_ID(), ModelAPI_AttributeDouble::typeId());
68 // set after all to avoid in attributeChanged reference to not existing attributes
69 if (!isReversed->isInitialized()) {
70 isReversed->setValue(false);
74 void SketchPlugin_Arc::execute()
76 SketchPlugin_Sketch* aSketch = sketch();
81 std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr =
82 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
83 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr =
84 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(START_ID()));
85 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr =
86 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(data()->attribute(END_ID()));
87 if(!aCenterAttr->isInitialized() || !aStartAttr->isInitialized() || !anEndAttr->isInitialized()) {
91 // Make a visible point.
92 SketchPlugin_Sketch::createPoint2DResult(this, sketch(), CENTER_ID(), 0);
94 // Make a visible arc.
95 std::shared_ptr<GeomAPI_Pnt> aCenter(aSketch->to3D(aCenterAttr->x(), aCenterAttr->y()));
96 std::shared_ptr<GeomAPI_Pnt> aStart(aSketch->to3D(aStartAttr->x(), aStartAttr->y()));
97 std::shared_ptr<GeomAPI_Pnt> anEnd(aSketch->to3D(anEndAttr->x(), anEndAttr->y()));
98 std::shared_ptr<GeomDataAPI_Dir> aNDir = std::dynamic_pointer_cast<GeomDataAPI_Dir>(
99 aSketch->data()->attribute(SketchPlugin_Sketch::NORM_ID()));
100 std::shared_ptr<GeomAPI_Dir> aNormal(new GeomAPI_Dir(aNDir->x(), aNDir->y(), aNDir->z()));
102 if (myParamBefore == 0) { // parameter has not been calculate yet
103 std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
104 new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
105 aCircleForArc->parameter(anEndAttr->pnt(), paramTolerance, myParamBefore);
108 GeomShapePtr anArcShape;
109 if (fabs(myParamBefore - 2.0 * PI) < paramTolerance)
110 anArcShape = GeomAlgoAPI_EdgeBuilder::lineCircle(aCenter, aNormal, aStart->distance(aCenter));
112 anArcShape = boolean(REVERSED_ID())->value() ?
113 GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, anEnd, aStart, aNormal)
114 : GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStart, anEnd, aNormal);
117 std::shared_ptr<ModelAPI_ResultConstruction> aResult = document()->createConstruction(data(), 1);
118 aResult->setShape(anArcShape);
119 aResult->setIsInHistory(false);
120 setResult(aResult, 1);
123 void SketchPlugin_Arc::move(double theDeltaX, double theDeltaY)
125 std::shared_ptr<ModelAPI_Data> aData = data();
126 if(!aData->isValid()) {
130 bool aWasBlocked = aData->blockSendAttributeUpdated(true);
132 std::shared_ptr<GeomDataAPI_Point2D> aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
133 attribute(CENTER_ID()));
134 if(aCenter->isInitialized()) {
135 aCenter->move(theDeltaX, theDeltaY);
138 std::shared_ptr<GeomDataAPI_Point2D> aStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
139 attribute(START_ID()));
140 if(aStart->isInitialized()) {
141 aStart->move(theDeltaX, theDeltaY);
144 std::shared_ptr<GeomDataAPI_Point2D> anEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
145 attribute(END_ID()));
146 if(anEnd->isInitialized()) {
147 anEnd->move(theDeltaX, theDeltaY);
150 aData->blockSendAttributeUpdated(aWasBlocked);
153 bool SketchPlugin_Arc::isFixed()
155 return data()->selection(EXTERNAL_ID())->context().get() != NULL;
158 void SketchPlugin_Arc::attributeChanged(const std::string& theID)
160 std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
161 GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
162 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
163 GeomDataAPI_Point2D>(data()->attribute(START_ID()));
164 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
165 GeomDataAPI_Point2D>(data()->attribute(END_ID()));
167 // The second condition for unability to move external segments anywhere.
168 if(theID == EXTERNAL_ID() || isFixed()) {
169 std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
171 // empty shape in selection shows that the shape is equal to context
172 ResultPtr anExtRes = selection(EXTERNAL_ID())->context();
174 aSelection = anExtRes->shape();
177 // update arguments due to the selection value
178 if(aSelection && !aSelection->isNull() && aSelection->isEdge()) {
179 std::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
180 std::shared_ptr<GeomAPI_Circ> aCirc = anEdge->circle();
182 bool aWasBlocked = data()->blockSendAttributeUpdated(true);
183 aCenterAttr->setValue(sketch()->to2D(aCirc->center()));
184 aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
185 anEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
186 data()->blockSendAttributeUpdated(aWasBlocked, false);
188 std::shared_ptr<GeomAPI_Circ2d> aCircle2d =
189 std::shared_ptr<GeomAPI_Circ2d>(new GeomAPI_Circ2d(aCenterAttr->pnt(),
192 double anEndParam = 0.0;
193 aCircle2d->parameter(anEndAttr->pnt(), paramTolerance, anEndParam);
194 myParamBefore = anEndParam;
196 double aMidParam = anEndParam / 2.0;
197 std::shared_ptr<GeomAPI_Pnt2d> aMidPnt2d;
198 aCircle2d->D0(aMidParam, aMidPnt2d);
199 std::shared_ptr<GeomAPI_Pnt> aMinPnt = sketch()->to3D(aMidPnt2d->x(), aMidPnt2d->y());
200 double aStartParam = 0.0;
201 aCirc->parameter(anEdge->firstPoint(), paramTolerance, aStartParam);
202 aCirc->parameter(aMinPnt, paramTolerance, aMidParam);
203 aCirc->parameter(anEdge->lastPoint(), paramTolerance, anEndParam);
206 anEndParam -= aStartParam;
207 aMidParam -= aStartParam;
208 if (anEndParam < 0.0)
209 anEndParam += 2.0 * PI;
211 aMidParam += 2.0 * PI;
213 aWasBlocked = data()->blockSendAttributeUpdated(true);
214 if(aMidParam < anEndParam) {
219 data()->blockSendAttributeUpdated(aWasBlocked, false);
222 } else if(theID == CENTER_ID() || theID == START_ID() || theID == END_ID()) {
223 if(!aCenterAttr->isInitialized()
224 || !aStartAttr->isInitialized()
225 || !anEndAttr->isInitialized()) {
228 std::shared_ptr<GeomAPI_Pnt2d> aCenter = aCenterAttr->pnt();
229 std::shared_ptr<GeomAPI_Pnt2d> aStart = aStartAttr->pnt();
230 std::shared_ptr<GeomAPI_Pnt2d> anEnd = anEndAttr->pnt();
231 double aRadius = aCenter->distance(aStart);
232 if (aRadius < tolerance)
234 std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(new GeomAPI_Circ2d(aCenter, aStart));
236 // Do not recalculate REVERSED flag if the arc is not consistent
237 std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEnd);
238 if (aProjection && anEnd->distance(aProjection) <= tolerance) {
239 double aParameterNew = 0.0;
240 if(aCircleForArc->parameter(anEnd, paramTolerance, aParameterNew)) {
241 bool aWasBlocked = data()->blockSendAttributeUpdated(true);
242 if(myParamBefore <= PI / 2.0 && aParameterNew >= PI * 1.5) {
243 if(!boolean(REVERSED_ID())->value()) {
244 boolean(REVERSED_ID())->setValue(true);
246 } else if(myParamBefore >= PI * 1.5 && aParameterNew <= PI / 2.0) {
247 if(boolean(REVERSED_ID())->value()) {
248 boolean(REVERSED_ID())->setValue(false);
251 data()->blockSendAttributeUpdated(aWasBlocked, false);
253 if (fabs(aParameterNew) < paramTolerance ||
254 fabs(aParameterNew - 2.0 * PI) < paramTolerance)
255 aParameterNew = 2.0 * PI;
256 myParamBefore = aParameterNew;
262 if(aCenterAttr->isInitialized() && aStartAttr->isInitialized()) {
263 aRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
264 if(anEndAttr->isInitialized()) {
265 if(aStartAttr->pnt()->isEqual(anEndAttr->pnt())) {
268 GeomAPI_Circ2d aCircleForArc(aCenterAttr->pnt(), aStartAttr->pnt());
269 double aStartParam, anEndParam;
270 aCircleForArc.parameter(aStartAttr->pnt(), paramTolerance, aStartParam);
271 aCircleForArc.parameter(anEndAttr->pnt(), paramTolerance, anEndParam);
272 anAngle = (anEndParam - aStartParam) / PI * 180.0;
273 if(isReversed()) anAngle = 360.0 - anAngle;
278 bool aWasBlocked = data()->blockSendAttributeUpdated(true);
279 real(RADIUS_ID())->setValue(aRadius);
280 real(ANGLE_ID())->setValue(anAngle);
281 data()->blockSendAttributeUpdated(aWasBlocked, false);
284 void SketchPlugin_Arc::setReversed(bool isReversed)
286 boolean(REVERSED_ID())->setValue(isReversed);
289 bool SketchPlugin_Arc::isReversed()
291 return boolean(REVERSED_ID())->value();