+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
+
// File: SketchPlugin_ConstraintDistance.cpp
// Created: 23 May 2014
// Author: Artem ZHIDKOV
#include "SketchPlugin_ConstraintDistance.h"
#include <SketchPlugin_Point.h>
+#include <SketchPlugin_Circle.h>
+#include <SketchPlugin_Line.h>
+
+#include <SketcherPrs_Tools.h>
+#include <SketcherPrs_Factory.h>
-#include <GeomAPI_Lin2D.h>
-#include <GeomAPI_Pnt2D.h>
+#include <GeomAPI_Dir2d.h>
+#include <GeomAPI_Lin2d.h>
+#include <GeomAPI_Pnt2d.h>
+#include <GeomAPI_XY.h>
#include <GeomDataAPI_Point2D.h>
#include <ModelAPI_AttributeDouble.h>
#include <ModelAPI_Data.h>
-/// Obtain the point object from specified constraint parameter
-static boost::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(
- DataPtr theData,
- const std::string& theAttribute);
+#include <Config_PropManager.h>
+
+#include <math.h>
+
+const double tolerance = 1e-7;
SketchPlugin_ConstraintDistance::SketchPlugin_ConstraintDistance()
{
+ myFlyoutUpdate = false;
}
+//*************************************************************************************
void SketchPlugin_ConstraintDistance::initAttributes()
{
- data()->addAttribute(CONSTRAINT_ATTR_VALUE, ModelAPI_AttributeDouble::type());
- data()->addAttribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT, GeomDataAPI_Point2D::type());
- data()->addAttribute(CONSTRAINT_ATTR_ENTITY_A, ModelAPI_AttributeRefAttr::type());
- data()->addAttribute(CONSTRAINT_ATTR_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());
}
+//*************************************************************************************
void SketchPlugin_ConstraintDistance::execute()
{
- boost::shared_ptr<ModelAPI_Data> aData = data();
+ std::shared_ptr<ModelAPI_Data> aData = data();
+ AttributeDoublePtr anAttrValue = std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(
+ aData->attribute(SketchPlugin_Constraint::VALUE()));
- boost::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(aData, CONSTRAINT_ATTR_ENTITY_A);
- boost::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(aData, CONSTRAINT_ATTR_ENTITY_B);
- if (aPoint_A && aPoint_B) {
- AttributeDoublePtr anAttr_Value =
- boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aData->attribute(CONSTRAINT_ATTR_VALUE));
+ if(anAttrValue->isInitialized())
+ return;
- if (!anAttr_Value->isInitialized()) {
- anAttr_Value->setValue(aPoint_A->pnt()->distance(aPoint_B->pnt()));
- }
+ double aDistance = calculateCurrentDistance();
+ if(aDistance >= 0) {
+ anAttrValue->setValue(aDistance);
}
+
+ // the value should to be computed here, not in the getAISObject in order to change the model value
+ // inside the object transaction. This is important for creating a constraint by preselection.
+ // The display of the presentation in this case happens after the transaction commit
+ std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+ if(!aFlyOutAttr->isInitialized())
+ compute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT());
}
-boost::shared_ptr<GeomAPI_AISObject> SketchPlugin_ConstraintDistance::getAISObject(
- boost::shared_ptr<GeomAPI_AISObject> thePrevious)
+bool SketchPlugin_ConstraintDistance::compute(const std::string& theAttributeId)
{
+ if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
+ return false;
+
if (!sketch())
- return thePrevious;
+ return false;
- boost::shared_ptr<GeomAPI_Pln> aPlane = sketch()->plane();
+ std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(attribute(theAttributeId));
+ if (fabs(aFlyOutAttr->x()) >= tolerance || fabs(aFlyOutAttr->y()) >= tolerance)
+ return false;
DataPtr aData = data();
- boost::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(aData, CONSTRAINT_ATTR_ENTITY_A);
- boost::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(aData, CONSTRAINT_ATTR_ENTITY_B);
- if (!aPoint_A || !aPoint_B)
- return thePrevious;
+ std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = SketcherPrs_Tools::getFeaturePoint(
+ aData, SketchPlugin_Constraint::ENTITY_A());
+ std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = SketcherPrs_Tools::getFeaturePoint(
+ aData, SketchPlugin_Constraint::ENTITY_B());
- boost::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr =
- boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT));
+ std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
+ std::shared_ptr<GeomAPI_Pnt2d> aPnt_B;
- boost::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPoint_A->x(), aPoint_A->y());
- boost::shared_ptr<GeomAPI_Pnt> aPoint2 = sketch()->to3D(aPoint_B->x(), aPoint_B->y());
- boost::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = aFlyOutAttr->isInitialized() ?
- sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y()) :
- boost::shared_ptr<GeomAPI_Pnt>();
+ if (aPoint_A && aPoint_B) {
+ aPnt_A = aPoint_A->pnt();
+ aPnt_B = aPoint_B->pnt();
+ } else if (!aPoint_A && aPoint_B) {
+ FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
+ aData, SketchPlugin_Constraint::ENTITY_A());
+ if (aLine) {
+ aPnt_B = aPoint_B->pnt();
+ aPnt_A = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_B);
+ }
+ } else if (aPoint_A && !aPoint_B) {
+ FeaturePtr aLine = SketcherPrs_Tools::getFeatureLine(
+ aData, SketchPlugin_Constraint::ENTITY_B());
+ if (aLine) {
+ aPnt_A = aPoint_A->pnt();
+ aPnt_B = SketcherPrs_Tools::getProjectionPoint(aLine, aPnt_A);
+ }
+ }
+ if (!aPnt_A || !aPnt_B)
+ return false;
+
+ std::shared_ptr<GeomAPI_Pnt> aPoint1 = sketch()->to3D(aPnt_A->x(), aPnt_A->y());
+ std::shared_ptr<GeomAPI_Pnt> 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;
- // value calculation
- boost::shared_ptr<ModelAPI_AttributeDouble> aValueAttr =
- boost::dynamic_pointer_cast<ModelAPI_AttributeDouble>(aData->attribute(CONSTRAINT_ATTR_VALUE));
- double aValue = aValueAttr->value();
+ std::shared_ptr<GeomAPI_Lin2d> aLine = std::shared_ptr<GeomAPI_Lin2d>(new GeomAPI_Lin2d(aPnt_A, aPnt_B));
+ double aDist = aPoint1->distance(aPoint2)/5.;
+ std::shared_ptr<GeomAPI_Pnt2d> aFPnt = aLine->shiftedLocation(aDist);
+ aFlyOutAttr->setValue(aFPnt);
- boost::shared_ptr<GeomAPI_AISObject> anAIS = thePrevious;
- if (!anAIS)
- anAIS = boost::shared_ptr<GeomAPI_AISObject>(new GeomAPI_AISObject);
- anAIS->createDistance(aPoint1, aPoint2, aFlyoutPnt, aPlane, aValue);
+ return true;
+}
+
+//*************************************************************************************
+AISObjectPtr SketchPlugin_ConstraintDistance::getAISObject(AISObjectPtr thePrevious)
+{
+ if (!sketch())
+ return thePrevious;
+
+ AISObjectPtr anAIS = thePrevious;
+ if (!anAIS) {
+ anAIS = SketcherPrs_Factory::lengthDimensionConstraint(this, sketch()->coordinatePlane());
+ }
+
+ // Set color from preferences
+ std::vector<int> aRGB = Config_PropManager::color("Visualization", "sketch_dimension_color",
+ SKETCH_DIMENSION_COLOR);
+ anAIS->setColor(aRGB[0], aRGB[1], aRGB[2]);
return anAIS;
}
+//*************************************************************************************
void SketchPlugin_ConstraintDistance::move(double theDeltaX, double theDeltaY)
{
- boost::shared_ptr<ModelAPI_Data> aData = data();
+ std::shared_ptr<ModelAPI_Data> aData = data();
if (!aData->isValid())
return;
- boost::shared_ptr<GeomDataAPI_Point2D> aPoint1 =
- boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(aData->attribute(CONSTRAINT_ATTR_FLYOUT_VALUE_PNT));
- aPoint1->setValue(aPoint1->x() + theDeltaX, aPoint1->y() + theDeltaY);
+ // Recalculate a shift of flyout point in terms of local coordinates
+ std::shared_ptr<GeomAPI_XY> aDir(new GeomAPI_XY(theDeltaX, theDeltaY));
+ std::shared_ptr<GeomDataAPI_Point2D> aPointA = SketcherPrs_Tools::getFeaturePoint(
+ data(), SketchPlugin_Constraint::ENTITY_A());
+ std::shared_ptr<GeomDataAPI_Point2D> aPointB = SketcherPrs_Tools::getFeaturePoint(
+ data(), SketchPlugin_Constraint::ENTITY_B());
+
+ std::shared_ptr<GeomAPI_XY> aStartPnt;
+ std::shared_ptr<GeomAPI_XY> 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<GeomAPI_Pnt2d> 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<GeomAPI_Pnt2d> aPoint = aPointB->pnt();
+ aStartPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
+ aEndPnt = aPoint->xy();
+ } else
+ return;
+
+ std::shared_ptr<GeomAPI_Dir2d> aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
+ double dX = aDir->dot(aLineDir->xy());
+ double dY = -aDir->cross(aLineDir->xy());
+
+ std::shared_ptr<GeomDataAPI_Point2D> aPoint = std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ aData->attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+ myFlyoutUpdate = true;
+ aPoint->setValue(aPoint->x() + dX, aPoint->y() + dY);
+ myFlyoutUpdate = false;
+}
+
+double SketchPlugin_ConstraintDistance::calculateCurrentDistance() const
+{
+ double aDistance = -1.;
+
+ std::shared_ptr<ModelAPI_Data> aData = data();
+ std::shared_ptr<GeomDataAPI_Point2D> aPointA =
+ SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_A());
+ std::shared_ptr<GeomDataAPI_Point2D> aPointB =
+ SketcherPrs_Tools::getFeaturePoint(aData, SketchPlugin_Constraint::ENTITY_B());
+
+ if (aPointA.get() && aPointB.get()) { // both points
+ aDistance = aPointA->pnt()->distance(aPointB->pnt());
+ } else {
+ FeaturePtr aLineFeature;
+ std::shared_ptr<SketchPlugin_Line> aLine;
+ if (!aPointA.get() && aPointB.get()) { //Line and point
+ aLineFeature = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_A());
+ aLine = std::dynamic_pointer_cast<SketchPlugin_Line>(aLineFeature);
+ if (aLine.get()) {
+ aDistance = aLine->distanceToPoint(aPointB->pnt());
+ }
+ } else if (aPointA.get() && !aPointB.get()) { // Point and line
+ aLineFeature = SketcherPrs_Tools::getFeatureLine(aData, SketchPlugin_Constraint::ENTITY_B());
+ aLine = std::dynamic_pointer_cast<SketchPlugin_Line>(aLineFeature);
+ if (aLine.get()) {
+ aDistance = aLine->distanceToPoint(aPointA->pnt());
+ }
+ }
+ }
+ return aDistance;
}
-boost::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
- const std::string& theAttribute)
+void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID)
{
- boost::shared_ptr<GeomDataAPI_Point2D> aPointAttr;
-
- if (!theData)
- return aPointAttr;
-
- FeaturePtr aFeature;
- boost::shared_ptr<ModelAPI_AttributeRefAttr> anAttr =
- boost::dynamic_pointer_cast<ModelAPI_AttributeRefAttr>(theData->attribute(theAttribute));
- if (anAttr)
- aFeature = boost::dynamic_pointer_cast<ModelAPI_Feature>(anAttr->object());
-
- if (aFeature && aFeature->getKind() == SKETCH_POINT_KIND)
- aPointAttr = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>
- (aFeature->data()->attribute(POINT_ATTR_COORD));
- else {
- if (anAttr->attr())
- aPointAttr = boost::dynamic_pointer_cast<GeomDataAPI_Point2D>(anAttr->attr());
+ if (theID == SketchPlugin_Constraint::ENTITY_A() ||
+ theID == SketchPlugin_Constraint::ENTITY_B())
+ {
+ std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
+ ModelAPI_AttributeDouble>(data()->attribute(SketchPlugin_Constraint::VALUE()));
+ if (!aValueAttr->isInitialized()) { // only if it is not initialized, try to compute the current value
+ double aDistance = calculateCurrentDistance();
+ if (aDistance > 0) { // set as value the length of updated references
+ 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<GeomDataAPI_Point2D> aFlyoutAttr =
+ std::dynamic_pointer_cast<GeomDataAPI_Point2D>(
+ attribute(SketchPlugin_Constraint::FLYOUT_VALUE_PNT()));
+ std::shared_ptr<GeomAPI_Pnt2d> aFlyoutPnt = aFlyoutAttr->pnt();
+
+ std::shared_ptr<GeomDataAPI_Point2D> aPointA = SketcherPrs_Tools::getFeaturePoint(
+ data(), SketchPlugin_Constraint::ENTITY_A());
+ std::shared_ptr<GeomDataAPI_Point2D> aPointB = SketcherPrs_Tools::getFeaturePoint(
+ data(), SketchPlugin_Constraint::ENTITY_B());
+
+ std::shared_ptr<GeomAPI_XY> aStartPnt;
+ std::shared_ptr<GeomAPI_XY> 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<GeomAPI_Pnt2d> 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<GeomAPI_Pnt2d> aPoint = aPointB->pnt();
+ aStartPnt = SketcherPrs_Tools::getProjectionPoint(aLine, aPoint)->xy();
+ aEndPnt = aPoint->xy();
+ } else
+ return;
+
+ std::shared_ptr<GeomAPI_Dir2d> aLineDir(new GeomAPI_Dir2d(aEndPnt->decreased(aStartPnt)));
+ std::shared_ptr<GeomAPI_XY> aFlyoutDir = aFlyoutPnt->xy()->decreased(aStartPnt);
+
+ double X = aFlyoutDir->dot(aLineDir->xy());
+ double Y = -aFlyoutDir->cross(aLineDir->xy());
+ aFlyoutAttr->setValue(X, Y);
+ myFlyoutUpdate = false;
}
- return aPointAttr;
}
+