+// Copyright (C) 2014-20xx CEA/DEN, EDF R&D -->
+
// File: SketchPlugin_ConstraintDistance.cpp
// Created: 23 May 2014
// Author: Artem ZHIDKOV
#include <Config_PropManager.h>
+const double tolerance = 1e-7;
+
SketchPlugin_ConstraintDistance::SketchPlugin_ConstraintDistance()
{
}
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());
+}
+
+bool SketchPlugin_ConstraintDistance::compute(const std::string& theAttributeId)
+{
+ if (theAttributeId != SketchPlugin_Constraint::FLYOUT_VALUE_PNT())
+ return false;
+
+ if (!sketch())
+ return false;
+
+ DataPtr aData = data();
+ std::shared_ptr<GeomDataAPI_Point2D> aPoint_A = getFeaturePoint(
+ aData, SketchPlugin_Constraint::ENTITY_A());
+ std::shared_ptr<GeomDataAPI_Point2D> aPoint_B = getFeaturePoint(
+ aData, SketchPlugin_Constraint::ENTITY_B());
+
+ std::shared_ptr<GeomAPI_Pnt2d> aPnt_A;
+ std::shared_ptr<GeomAPI_Pnt2d> 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<SketchPlugin_Line> 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<SketchPlugin_Line> 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 false;
+
+ std::shared_ptr<GeomDataAPI_Point2D> aFlyOutAttr = std::dynamic_pointer_cast<
+ GeomDataAPI_Point2D>(aData->attribute(theAttributeId));
+
+ 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(aPoint1) < tolerance)
+ return false;
+
+ 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);
+
+ return true;
}
//*************************************************************************************
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());
- std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = std::shared_ptr<GeomAPI_Pnt>();
- if(aFlyOutAttr->isInitialized()) {
- aFlyoutPnt = sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y());
- } else {
- 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);
- aFlyoutPnt = sketch()->to3D(aFPnt->x(), aFPnt->y());
- }
+ if(!aFlyOutAttr->isInitialized())
+ return AISObjectPtr();
+ std::shared_ptr<GeomAPI_Pnt> aFlyoutPnt = sketch()->to3D(aFlyOutAttr->x(), aFlyOutAttr->y()/*aFPnt->x(), aFPnt->y()*/);
+
// value calculation
std::shared_ptr<ModelAPI_AttributeDouble> aValueAttr = std::dynamic_pointer_cast<
ModelAPI_AttributeDouble>(aData->attribute(SketchPlugin_Constraint::VALUE()));
- // TODO: has to be calculated on definition of reference object
- double aValue;
+ 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();
- else {
- aValue = calculateCurrentDistance();
- aValueAttr->setValue(aValue);
- }
- // End TODO
AISObjectPtr anAIS = thePrevious;
if (!anAIS)
anAIS->createDistance(aPoint1, aPoint2, aFlyoutPnt, aPlane, aValue);
// Set color from preferences
- std::vector<int> aRGB = Config_PropManager::color("Visualization", "distance_color",
- DISTANCE_COLOR);
+ std::vector<int> aRGB = Config_PropManager::color("Visualization", "sketch_dimension_color",
+ SKETCH_DIMENSION_COLOR);
anAIS->setColor(aRGB[0], aRGB[1], aRGB[2]);
return anAIS;
}
return aDistance;
}
+void SketchPlugin_ConstraintDistance::attributeChanged(const std::string& theID) {
+ 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);
+ }
+ }
+ }
+}
//*************************************************************************************
std::shared_ptr<GeomDataAPI_Point2D> getFeaturePoint(DataPtr theData,
