1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
3 // File: SketcherPrs_LengthDimension.cpp
4 // Created: 27 March 2015
5 // Author: Vitaly SMETANNIKOV
7 #include "SketcherPrs_LengthDimension.h"
8 #include "SketcherPrs_Tools.h"
10 #include <SketchPlugin_Constraint.h>
11 #include <SketchPlugin_ConstraintLength.h>
12 #include <SketchPlugin_ConstraintDistance.h>
13 #include <SketchPlugin_Line.h>
14 #include <SketchPlugin_Point.h>
15 #include <SketchPlugin_Circle.h>
17 #include <GeomDataAPI_Point2D.h>
18 #include <GeomAPI_Pnt.h>
19 #include <GeomAPI_XYZ.h>
20 #include <GeomAPI_Pnt2d.h>
21 #include <GeomAPI_Lin2d.h>
23 #include <ModelAPI_Data.h>
26 static const gp_Pnt MyDefStart(0,0,0);
27 static const gp_Pnt MyDefEnd(1,0,0);
28 static const gp_Pln MyDefPln(gp_Pnt(0,0,0), gp_Dir(0,0,1));
30 IMPLEMENT_STANDARD_HANDLE(SketcherPrs_LengthDimension, AIS_LengthDimension);
31 IMPLEMENT_STANDARD_RTTIEXT(SketcherPrs_LengthDimension, AIS_LengthDimension);
33 SketcherPrs_LengthDimension::SketcherPrs_LengthDimension(ModelAPI_Feature* theConstraint,
34 const std::shared_ptr<GeomAPI_Ax3>& thePlane)
35 : AIS_LengthDimension(MyDefStart, MyDefEnd, MyDefPln),
36 myConstraint(theConstraint), myPlane(thePlane)
38 myAspect = new Prs3d_DimensionAspect();
39 myAspect->MakeArrows3d(false);
40 myAspect->MakeText3d(false);
41 myAspect->MakeTextShaded(false);
42 myAspect->MakeUnitsDisplayed(false);
43 myAspect->TextAspect()->SetHeight(MyTextHeight);
44 myAspect->ArrowAspect()->SetLength(SketcherPrs_Tools::getArrowSize());
46 SetSelToleranceForText2d(MyTextHeight);
47 SetDimensionAspect(myAspect);
51 void SketcherPrs_LengthDimension::Compute(const Handle(PrsMgr_PresentationManager3d)& thePresentationManager,
52 const Handle(Prs3d_Presentation)& thePresentation,
53 const Standard_Integer theMode)
56 if (!getPoints(aPnt1, aPnt2))
58 DataPtr aData = myConstraint->data();
60 AttributePtr aFlyOutAttribute = aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
61 if (!aFlyOutAttribute->isInitialized()) {
62 return; // not possible to show length because points are not defined
64 std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr =
65 std::dynamic_pointer_cast<GeomDataAPI_Point2D>(aFlyOutAttribute);
66 std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = myPlane->to3D(aFlyOutAttr->x(), aFlyOutAttr->y());
67 gp_Pnt aFlyPnt = aFlyoutPnt->impl<gp_Pnt>();
69 double aDistance = aPnt1.Distance(aPnt2);
73 if (aDistance < Precision::Confusion())
74 aDist = aPnt1.Distance(aFlyPnt);
76 gp_Lin aLine(aPnt1, gp_Vec(aPnt1, aPnt2));
77 aDist = aLine.Distance(aFlyPnt);
80 gp_XYZ aLineDir = aPnt2.XYZ().Subtracted(aPnt1.XYZ());
81 gp_XYZ aFOutDir = aFlyPnt.XYZ().Subtracted(aPnt1.XYZ());
82 gp_XYZ aNorm = myPlane->norm()->xyz()->impl<gp_XYZ>();
83 if (aLineDir.Crossed(aFOutDir).Dot(aNorm) < 0)
88 SetMeasuredGeometry(aPnt1, aPnt2, myPlane->impl<gp_Ax3>());
89 AIS_LengthDimension::Compute(thePresentationManager, thePresentation, theMode);
92 bool SketcherPrs_LengthDimension::getPoints(gp_Pnt& thePnt1, gp_Pnt& thePnt2) const
94 DataPtr aData = myConstraint->data();
95 if (myConstraint->getKind() == SketchPlugin_ConstraintLength::ID()) {
96 std::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
97 std::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>
98 (aData->attribute(SketchPlugin_Constraint::ENTITY_A()));
102 FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object());
103 if (!aFeature || aFeature->getKind() != SketchPlugin_Line::ID())
106 DataPtr aLineData = aFeature->data();
107 std::shared_ptr<GeomDataAPI_Point2D> aStartPoint =
108 std::dynamic_pointer_cast<GeomDataAPI_Point2D>
109 (aLineData->attribute(SketchPlugin_Line::START_ID()));
110 std::shared_ptr<GeomDataAPI_Point2D> aEndPoint =
111 std::dynamic_pointer_cast<GeomDataAPI_Point2D>
112 (aLineData->attribute(SketchPlugin_Line::END_ID()));
113 thePnt1 = myPlane->to3D(aStartPoint->x(), aStartPoint->y())->impl<gp_Pnt>();
114 thePnt2 = myPlane->to3D(aEndPoint->x(), aEndPoint->y())->impl<gp_Pnt>();
117 } else if (myConstraint->getKind() == SketchPlugin_ConstraintDistance::ID()) {
118 std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = SketcherPrs_Tools::getFeaturePoint(
119 aData, SketchPlugin_Constraint::ENTITY_A());
120 std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = SketcherPrs_Tools::getFeaturePoint(
121 aData, SketchPlugin_Constraint::ENTITY_B());
123 std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
124 std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
125 if (aPoint_A && aPoint_B) {
126 aPnt_A = aPoint_A->pnt();
127 aPnt_B = aPoint_B->pnt();
128 } else if (!aPoint_A && aPoint_B) {
129 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
130 aData, SketchPlugin_Constraint::ENTITY_A());
132 aPnt_B = aPoint_B->pnt();
133 aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B);
135 } else if (aPoint_A && !aPoint_B) {
136 FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
137 aData, SketchPlugin_Constraint::ENTITY_B());
139 aPnt_A = aPoint_A->pnt();
140 aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A);
143 if (!aPnt_A || !aPnt_B)
146 std::shared_ptr<GeomAPI_Pnt> aPoint1 = myPlane->to3D(aPnt_A->x(), aPnt_A->y());
147 std::shared_ptr<GeomAPI_Pnt> aPoint2 = myPlane->to3D(aPnt_B->x(), aPnt_B->y());
148 thePnt1 = aPoint1->impl<gp_Pnt>();
149 thePnt2 = aPoint2->impl<gp_Pnt>();