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 GeomShapePtr anArcShape = boolean(REVERSED_ID())->value() ?
103 GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, anEnd, aStart, aNormal)
104 : GeomAlgoAPI_EdgeBuilder::lineCircleArc(aCenter, aStart, anEnd, aNormal);
106 if (myParamBefore == 0) { // parameter has not been calculate yet
107 std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(
108 new GeomAPI_Circ2d(aCenterAttr->pnt(), aStartAttr->pnt()));
109 aCircleForArc->parameter(anEndAttr->pnt(), paramTolerance, myParamBefore);
112 std::shared_ptr<ModelAPI_ResultConstruction> aResult = document()->createConstruction(data(), 1);
113 aResult->setShape(anArcShape);
114 aResult->setIsInHistory(false);
115 setResult(aResult, 1);
118 void SketchPlugin_Arc::move(double theDeltaX, double theDeltaY)
120 std::shared_ptr<ModelAPI_Data> aData = data();
121 if(!aData->isValid()) {
125 bool aWasBlocked = aData->blockSendAttributeUpdated(true);
127 std::shared_ptr<GeomDataAPI_Point2D> aCenter = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
128 attribute(CENTER_ID()));
129 if(aCenter->isInitialized()) {
130 aCenter->move(theDeltaX, theDeltaY);
133 std::shared_ptr<GeomDataAPI_Point2D> aStart = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
134 attribute(START_ID()));
135 if(aStart->isInitialized()) {
136 aStart->move(theDeltaX, theDeltaY);
139 std::shared_ptr<GeomDataAPI_Point2D> anEnd = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
140 attribute(END_ID()));
141 if(anEnd->isInitialized()) {
142 anEnd->move(theDeltaX, theDeltaY);
145 aData->blockSendAttributeUpdated(aWasBlocked);
148 bool SketchPlugin_Arc::isFixed()
150 return data()->selection(EXTERNAL_ID())->context().get() != NULL;
153 void SketchPlugin_Arc::attributeChanged(const std::string& theID)
155 std::shared_ptr<GeomDataAPI_Point2D> aCenterAttr = std::dynamic_pointer_cast<
156 GeomDataAPI_Point2D>(data()->attribute(CENTER_ID()));
157 std::shared_ptr<GeomDataAPI_Point2D> aStartAttr = std::dynamic_pointer_cast<
158 GeomDataAPI_Point2D>(data()->attribute(START_ID()));
159 std::shared_ptr<GeomDataAPI_Point2D> anEndAttr = std::dynamic_pointer_cast<
160 GeomDataAPI_Point2D>(data()->attribute(END_ID()));
162 // The second condition for unability to move external segments anywhere.
163 if(theID == EXTERNAL_ID() || isFixed()) {
164 std::shared_ptr<GeomAPI_Shape> aSelection = data()->selection(EXTERNAL_ID())->value();
166 // empty shape in selection shows that the shape is equal to context
167 ResultPtr anExtRes = selection(EXTERNAL_ID())->context();
169 aSelection = anExtRes->shape();
172 // update arguments due to the selection value
173 if(aSelection && !aSelection->isNull() && aSelection->isEdge()) {
174 std::shared_ptr<GeomAPI_Edge> anEdge( new GeomAPI_Edge(aSelection));
175 std::shared_ptr<GeomAPI_Circ> aCirc = anEdge->circle();
177 bool aWasBlocked = data()->blockSendAttributeUpdated(true);
178 aCenterAttr->setValue(sketch()->to2D(aCirc->center()));
179 aStartAttr->setValue(sketch()->to2D(anEdge->firstPoint()));
180 anEndAttr->setValue(sketch()->to2D(anEdge->lastPoint()));
181 data()->blockSendAttributeUpdated(aWasBlocked, false);
183 std::shared_ptr<GeomAPI_Circ2d> aCircle2d =
184 std::shared_ptr<GeomAPI_Circ2d>(new GeomAPI_Circ2d(aCenterAttr->pnt(),
187 double anEndParam = 0.0;
188 aCircle2d->parameter(anEndAttr->pnt(), paramTolerance, anEndParam);
189 myParamBefore = anEndParam;
191 double aMidParam = anEndParam / 2.0;
192 std::shared_ptr<GeomAPI_Pnt2d> aMidPnt2d;
193 aCircle2d->D0(aMidParam, aMidPnt2d);
194 std::shared_ptr<GeomAPI_Pnt> aMinPnt = sketch()->to3D(aMidPnt2d->x(), aMidPnt2d->y());
195 double aStartParam = 0.0;
196 aCirc->parameter(anEdge->firstPoint(), paramTolerance, aStartParam);
197 aCirc->parameter(aMinPnt, paramTolerance, aMidParam);
198 aCirc->parameter(anEdge->lastPoint(), paramTolerance, anEndParam);
201 anEndParam -= aStartParam;
202 aMidParam -= aStartParam;
203 if (anEndParam < 0.0)
204 anEndParam += 2.0 * PI;
206 aMidParam += 2.0 * PI;
208 aWasBlocked = data()->blockSendAttributeUpdated(true);
209 if(aMidParam < anEndParam) {
214 data()->blockSendAttributeUpdated(aWasBlocked, false);
217 } else if(theID == CENTER_ID() || theID == START_ID() || theID == END_ID()) {
218 if(!aCenterAttr->isInitialized()
219 || !aStartAttr->isInitialized()
220 || !anEndAttr->isInitialized()) {
223 std::shared_ptr<GeomAPI_Pnt2d> aCenter = aCenterAttr->pnt();
224 std::shared_ptr<GeomAPI_Pnt2d> aStart = aStartAttr->pnt();
225 std::shared_ptr<GeomAPI_Pnt2d> anEnd = anEndAttr->pnt();
226 double aRadius = aCenter->distance(aStart);
227 if (aRadius < tolerance)
229 std::shared_ptr<GeomAPI_Circ2d> aCircleForArc(new GeomAPI_Circ2d(aCenter, aStart));
231 // Do not recalculate REVERSED flag if the arc is not consistent
232 std::shared_ptr<GeomAPI_Pnt2d> aProjection = aCircleForArc->project(anEnd);
233 if (aProjection && anEnd->distance(aProjection) <= tolerance) {
234 double aParameterNew = 0.0;
235 if(aCircleForArc->parameter(anEnd, paramTolerance, aParameterNew)) {
236 bool aWasBlocked = data()->blockSendAttributeUpdated(true);
237 if(myParamBefore <= PI / 2.0 && aParameterNew >= PI * 1.5) {
238 if(!boolean(REVERSED_ID())->value()) {
239 boolean(REVERSED_ID())->setValue(true);
241 } else if(myParamBefore >= PI * 1.5 && aParameterNew <= PI / 2.0) {
242 if(boolean(REVERSED_ID())->value()) {
243 boolean(REVERSED_ID())->setValue(false);
246 data()->blockSendAttributeUpdated(aWasBlocked, false);
248 myParamBefore = aParameterNew;
254 if(aCenterAttr->isInitialized() && aStartAttr->isInitialized()) {
255 aRadius = aCenterAttr->pnt()->distance(aStartAttr->pnt());
256 if(anEndAttr->isInitialized()) {
257 if(aStartAttr->pnt()->isEqual(anEndAttr->pnt())) {
260 GeomAPI_Circ2d aCircleForArc(aCenterAttr->pnt(), aStartAttr->pnt());
261 double aStartParam, anEndParam;
262 aCircleForArc.parameter(aStartAttr->pnt(), paramTolerance, aStartParam);
263 aCircleForArc.parameter(anEndAttr->pnt(), paramTolerance, anEndParam);
264 anAngle = (anEndParam - aStartParam) / PI * 180.0;
265 if(isReversed()) anAngle = 360.0 - anAngle;
270 bool aWasBlocked = data()->blockSendAttributeUpdated(true);
271 real(RADIUS_ID())->setValue(aRadius);
272 real(ANGLE_ID())->setValue(anAngle);
273 data()->blockSendAttributeUpdated(aWasBlocked, false);
276 void SketchPlugin_Arc::setReversed(bool isReversed)
278 boolean(REVERSED_ID())->setValue(isReversed);
281 bool SketchPlugin_Arc::isReversed()
283 return boolean(REVERSED_ID())->value();