X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FSketchPlugin%2FSketchPlugin_ConstraintDistance.cpp;h=3891a2c6cc5eed9a0a013533322e3f5280036d11;hb=61cd0845b41710ad4e7eae07cc6106904be67b9f;hp=190665560738fe40d32815a7d238e5e61277ba96;hpb=85253719b1f5e630551c2590d23deab11db55fe1;p=modules%2Fshaper.git diff --git a/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp b/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp index 190665560..3891a2c6c 100644 --- a/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp +++ b/src/SketchPlugin/SketchPlugin_ConstraintDistance.cpp @@ -9,8 +9,13 @@ #include #include +#include +#include + +#include #include #include +#include #include #include @@ -18,17 +23,23 @@ #include +#include + +const double tolerance = 1e-7; + + SketchPlugin_ConstraintDistance::SketchPlugin_ConstraintDistance() { + myFlyoutUpdate = false; } //************************************************************************************* void SketchPlugin_ConstraintDistance::initAttributes() { - data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::type()); - data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::type()); - data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::type()); - data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::type()); + data()->addAttribute(SketchPlugin_Constraint::VALUE(), ModelAPI_AttributeDouble::typeId()); + data()->addAttribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT(), GeomDataAPI_Point2D::typeId()); + data()->addAttribute(SketchPlugin_Constraint::ENTITY_A(), ModelAPI_AttributeRefAttr::typeId()); + data()->addAttribute(SketchPlugin_Constraint::ENTITY_B(), ModelAPI_AttributeRefAttr::typeId()); } //************************************************************************************* @@ -63,10 +74,15 @@ bool SketchPlugin_ConstraintDistance::compute(const std::string& theAttributeId) if (!sketch()) return false; + std::shared_ptr aFlyOutAttr = std::dynamic_pointer_cast< + GeomDataAPI_Point2D>(attribute(theAttributeId)); + if (fabs(aFlyOutAttr->x()) >= tolerance || fabs(aFlyOutAttr->y()) >= tolerance) + return false; + DataPtr aData = data(); - std::shared_ptr aPoint_A = getFeaturePoint( + std::shared_ptr aPoint_A = SketcherPrs_Tools::getFeaturePoint( aData, SketchPlugin_Constraint::ENTITY_A()); - std::shared_ptr aPoint_B = getFeaturePoint( + std::shared_ptr aPoint_B = SketcherPrs_Tools::getFeaturePoint( aData, SketchPlugin_Constraint::ENTITY_B()); std::shared_ptr aPnt_A; @@ -76,28 +92,29 @@ bool SketchPlugin_ConstraintDistance::compute(const std::string& theAttributeId) aPnt_A = aPoint_A->pnt(); aPnt_B = aPoint_B->pnt(); } else if (!aPoint_A && aPoint_B) { - std::shared_ptr aLine = getFeatureLine( + FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine( aData, SketchPlugin_Constraint::ENTITY_A()); if (aLine) { aPnt_B = aPoint_B->pnt(); - aPnt_A = getProjectionPoint(aLine, aPnt_B); + aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B); } } else if (aPoint_A && !aPoint_B) { - std::shared_ptr aLine = getFeatureLine( + FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine( aData, SketchPlugin_Constraint::ENTITY_B()); if (aLine) { aPnt_A = aPoint_A->pnt(); - aPnt_B = getProjectionPoint(aLine, aPnt_A); + aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A); } } if (!aPnt_A || !aPnt_B) return false; - std::shared_ptr aFlyOutAttr = std::dynamic_pointer_cast< - GeomDataAPI_Point2D>(aData->attribute(theAttributeId)); - std::shared_ptr aPoint1 = sketch()->to3D(aPnt_A->x(), aPnt_A->y()); std::shared_ptr aPoint2 = sketch()->to3D(aPnt_B->x(), aPnt_B->y()); + // it is not possible to create lin2d on the points with equal position + if (aPoint1->distance(aPoint2) < tolerance) + return false; + std::shared_ptr aLine = std::shared_ptr(new GeomAPI_Lin2d(aPnt_A, aPnt_B)); double aDist = aPoint1->distance(aPoint2)/5.; std::shared_ptr aFPnt = aLine->shiftedLocation(aDist); @@ -112,61 +129,10 @@ AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevi if (!sketch()) return thePrevious; - std::shared_ptr aPlane = sketch()->plane(); - - DataPtr aData = data(); - std::shared_ptr aPoint_A = getFeaturePoint( - aData, SketchPlugin_Constraint::ENTITY_A()); - std::shared_ptr aPoint_B = getFeaturePoint( - aData, SketchPlugin_Constraint::ENTITY_B()); - - std::shared_ptr aPnt_A; - std::shared_ptr aPnt_B; - - if (aPoint_A && aPoint_B) { - aPnt_A = aPoint_A->pnt(); - aPnt_B = aPoint_B->pnt(); - } else if (!aPoint_A && aPoint_B) { - std::shared_ptr aLine = getFeatureLine( - aData, SketchPlugin_Constraint::ENTITY_A()); - if (aLine) { - aPnt_B = aPoint_B->pnt(); - aPnt_A = getProjectionPoint(aLine, aPnt_B); - } - } else if (aPoint_A && !aPoint_B) { - std::shared_ptr aLine = getFeatureLine( - aData, SketchPlugin_Constraint::ENTITY_B()); - if (aLine) { - aPnt_A = aPoint_A->pnt(); - aPnt_B = getProjectionPoint(aLine, aPnt_A); - } - } - if (!aPnt_A || !aPnt_B) - return AISObjectPtr(); - - std::shared_ptr aFlyOutAttr = std::dynamic_pointer_cast< - GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT())); - - std::shared_ptr aPoint1 = sketch()->to3D(aPnt_A->x(), aPnt_A->y()); - std::shared_ptr aPoint2 = sketch()->to3D(aPnt_B->x(), aPnt_B->y()); - if(!aFlyOutAttr->isInitialized()) - return AISObjectPtr(); - std::shared_ptr aFlyoutPnt = sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y()/*aFPnt->x(), aFPnt->y()*/); - - // value calculation - std::shared_ptr aValueAttr = std::dynamic_pointer_cast< - ModelAPI_AttributeDouble>(aData->attribute(SketchPlugin_Constraint::VALUE())); - double aValue = 0; - // Issue #196: checking the positivity of the distance constraint - // there is a validator for a distance constraint, that the value should be positive - // in case if an invalid value is set, the current distance value is shown - if (aValueAttr->isInitialized()) - aValue = aValueAttr->value(); - AISObjectPtr anAIS = thePrevious; - if (!anAIS) - anAIS = AISObjectPtr(new GeomAPI_AISObject); - anAIS->createDistance(aPoint1, aPoint2, aFlyoutPnt, aPlane, aValue); + if (!anAIS) { + anAIS = SketcherPrs_Factory::lengthDimensionConstraint(this, sketch()->coordinatePlane()); + } // Set color from preferences std::vector aRGB = Config_PropManager::color("Visualization", "sketch_dimension_color", @@ -182,9 +148,46 @@ void SketchPlugin_ConstraintDistance::move(double theDeltaX, double theDeltaY) if (!aData->isValid()) return; + // Recalculate a shift of flyout point in terms of local coordinates + std::shared_ptr aDir(new GeomAPI_XY(theDeltaX, theDeltaY)); + std::shared_ptr aPointA = SketcherPrs_Tools::getFeaturePoint( + data(), SketchPlugin_Constraint::ENTITY_A()); + std::shared_ptr aPointB = SketcherPrs_Tools::getFeaturePoint( + data(), SketchPlugin_Constraint::ENTITY_B()); + + std::shared_ptr aStartPnt; + std::shared_ptr aEndPnt; + if (aPointA && aPointB) { + aStartPnt = aPointA->pnt()->xy(); + aEndPnt = aPointB->pnt()->xy(); + } else if (aPointA) { + FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(), + SketchPlugin_Constraint::ENTITY_B()); + if (!aLine) + return; + std::shared_ptr aPoint = aPointA->pnt(); + aStartPnt = aPoint->xy(); + aEndPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy(); + } else if (aPointB) { + FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(), + SketchPlugin_Constraint::ENTITY_A()); + if (!aLine) + return; + std::shared_ptr aPoint = aPointB->pnt(); + aStartPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy(); + aEndPnt = aPoint->xy(); + } else + return; + + std::shared_ptr aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt))); + double dX = aDir->dot(aLineDir->xy()); + double dY = -aDir->cross(aLineDir->xy()); + std::shared_ptr aPoint = std::dynamic_pointer_cast( aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT())); - aPoint->move(theDeltaX, theDeltaY); + myFlyoutUpdate = true; + aPoint->setValue(aPoint->x() + dX, aPoint->y() + dY); + myFlyoutUpdate = false; } double SketchPlugin_ConstraintDistance::calculateCurrentDistance() const @@ -193,23 +196,25 @@ double SketchPlugin_ConstraintDistance::calculateCurrentDistance() const std::shared_ptr aData = data(); std::shared_ptr aPointA = - getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A()); + SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A()); std::shared_ptr aPointB = - getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B()); + SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B()); - if (aPointA && aPointB) { // both points + if (aPointA.get() && aPointB.get()) { // both points aDistance = aPointA->pnt()->distance(aPointB->pnt()); } else { - if (!aPointA && aPointB) { //Line and point - std::shared_ptr aLine = - getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A()); - if (aLine) { + FeaturePtr aLineFeature; + std::shared_ptr aLine; + if (!aPointA.get() && aPointB.get()) { //Line and point + aLineFeature = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A()); + aLine = std::dynamic_pointer_cast(aLineFeature); + if (aLine.get()) { aDistance = aLine->distanceToPoint(aPointB->pnt()); } - } else if (aPointA && !aPointB) { // Point and line - std::shared_ptr aLine = - getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B()); - if (aLine) { + } else if (aPointA.get() && !aPointB.get()) { // Point and line + aLineFeature = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B()); + aLine = std::dynamic_pointer_cast(aLineFeature); + if (aLine.get()) { aDistance = aLine->distanceToPoint(aPointA->pnt()); } } @@ -217,7 +222,8 @@ double SketchPlugin_ConstraintDistance::calculateCurrentDistance() const return aDistance; } -void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID) { +void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID) +{ if (theID == SketchPlugin_Constraint::ENTITY_A() || theID == SketchPlugin_Constraint::ENTITY_B()) { @@ -229,66 +235,53 @@ void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID) aValueAttr->setValue(aDistance); } } + } else if (theID == SketchPlugin_Constraint::FLYOUT_VALUE_PNT() && !myFlyoutUpdate) { + myFlyoutUpdate = true; + // Recalculate flyout point in local coordinates of the distance constraint: + // the X coordinate is a length of projection of the flyout point on the line binding two distanced points + // or a line of projection of the distanced point onto the distanced segment + // the Y coordinate is a distance from the flyout point to the line + std::shared_ptr aFlyoutAttr = + std::dynamic_pointer_cast( + attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT())); + std::shared_ptr aFlyoutPnt = aFlyoutAttr->pnt(); + + std::shared_ptr aPointA = SketcherPrs_Tools::getFeaturePoint( + data(), SketchPlugin_Constraint::ENTITY_A()); + std::shared_ptr aPointB = SketcherPrs_Tools::getFeaturePoint( + data(), SketchPlugin_Constraint::ENTITY_B()); + + std::shared_ptr aStartPnt; + std::shared_ptr aEndPnt; + if (aPointA && aPointB) { + aStartPnt = aPointA->pnt()->xy(); + aEndPnt = aPointB->pnt()->xy(); + } else if (aPointA) { + FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(), + SketchPlugin_Constraint::ENTITY_B()); + if (!aLine) + return; + std::shared_ptr aPoint = aPointA->pnt(); + aStartPnt = aPoint->xy(); + aEndPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy(); + } else if (aPointB) { + FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(data(), + SketchPlugin_Constraint::ENTITY_A()); + if (!aLine) + return; + std::shared_ptr aPoint = aPointB->pnt(); + aStartPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy(); + aEndPnt = aPoint->xy(); + } else + return; + + std::shared_ptr aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt))); + std::shared_ptr aFlyoutDir = aFlyoutPnt->xy()->decreased(aStartPnt); + + double X = aFlyoutDir->dot(aLineDir->xy()); + double Y = -aFlyoutDir->cross(aLineDir->xy()); + aFlyoutAttr->setValue(X, Y); + myFlyoutUpdate = false; } } -//************************************************************************************* -std::shared_ptr getFeaturePoint(DataPtr theData, - const std::string& theAttribute) -{ - std::shared_ptr aPointAttr; - - if (!theData) - return aPointAttr; - - FeaturePtr aFeature; - std::shared_ptr anAttr = std::dynamic_pointer_cast< - ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute)); - if (anAttr) - aFeature = ModelAPI_Feature::feature(anAttr->object()); - - if (aFeature && aFeature->getKind() == SketchPlugin_Point::ID()) - aPointAttr = std::dynamic_pointer_cast( - aFeature->data()->attribute(SketchPlugin_Point::COORD_ID())); - else if (aFeature && aFeature->getKind() == SketchPlugin_Circle::ID()) - aPointAttr = std::dynamic_pointer_cast( - aFeature->data()->attribute(SketchPlugin_Circle::CENTER_ID())); - else if (anAttr->attr()) { - aPointAttr = std::dynamic_pointer_cast(anAttr->attr()); - } - return aPointAttr; -} - -//************************************************************************************* -std::shared_ptr getFeatureLine(DataPtr theData, - const std::string& theAttribute) -{ - std::shared_ptr aLine; - if (!theData) - return aLine; - - std::shared_ptr anAttr = std::dynamic_pointer_cast< - ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute)); - if (anAttr) { - FeaturePtr aFeature = ModelAPI_Feature::feature(anAttr->object()); - if (aFeature && aFeature->getKind() == SketchPlugin_Line::ID()) { - aLine = std::dynamic_pointer_cast(aFeature); - } - } - return aLine; -} - -//************************************************************************************* -std::shared_ptr getProjectionPoint( - const std::shared_ptr& theLine, - const std::shared_ptr& thePoint) -{ - std::shared_ptr aData = theLine->data(); - std::shared_ptr aPoint1 = std::dynamic_pointer_cast( - aData->attribute(SketchPlugin_Line::START_ID())); - std::shared_ptr aPoint2 = std::dynamic_pointer_cast( - aData->attribute(SketchPlugin_Line::END_ID())); - - GeomAPI_Lin2d aLin2d(aPoint1->x(), aPoint1->y(), aPoint2->x(), aPoint2->y()); - return aLin2d.project(thePoint); -}