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TaskDimension.cpp
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TaskDimension.cpp
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/***************************************************************************
* Copyright (c) 2013 Thomas Anderson <blobfish[at]gmx.com> *
* *
* This file is part of the FreeCAD CAx development system. *
* *
* This library is free software; you can redistribute it and/or *
* modify it under the terms of the GNU Library General Public *
* License as published by the Free Software Foundation; either *
* version 2 of the License, or (at your option) any later version. *
* *
* This library is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU Library General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this library; see the file COPYING.LIB. If not, *
* write to the Free Software Foundation, Inc., 59 Temple Place, *
* Suite 330, Boston, MA 02111-1307, USA *
* *
***************************************************************************/
#include "PreCompiled.h"
#ifndef _PreCpmp_
# include <QButtonGroup>
# include <QPushButton>
#endif
#include <sstream>
#include <Python.h>
#include <TopoDS_Shape.hxx>
#include <TopoDS_Vertex.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Face.hxx>
#include <TopoDS.hxx>
#include <BRepExtrema_DistShapeShape.hxx>
#include <BRep_Tool.hxx>
#include <TopExp.hxx>
#include <Geom_ElementarySurface.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Geom_SphericalSurface.hxx>
#include <Geom_Line.hxx>
#include <GeomAPI_ProjectPointOnCurve.hxx>
#include <GeomAPI_ExtremaCurveCurve.hxx>
#include <Inventor/nodes/SoTransform.h>
#include <Inventor/nodes/SoMatrixTransform.h>
#include <Inventor/nodes/SoVertexProperty.h>
#include <Inventor/nodes/SoLineSet.h>
#include <Inventor/nodes/SoIndexedLineSet.h>
#include <Inventor/nodes/SoText2.h>
#include <Inventor/nodes/SoFont.h>
#include <Inventor/nodes/SoAnnotation.h>
#include <Inventor/nodekits/SoShapeKit.h>
#include <Inventor/nodes/SoSeparator.h>
#include <Inventor/nodes/SoCone.h>
#include <Inventor/nodes/SoCoordinate3.h>
#include <Inventor/nodes/SoNurbsCurve.h>
#include <Inventor/engines/SoComposeVec3f.h>
#include <Inventor/engines/SoCalculator.h>
#include <Inventor/nodes/SoResetTransform.h>
#include <Inventor/engines/SoConcatenate.h>
#include <Inventor/engines/SoComposeRotationFromTo.h>
#include <Inventor/engines/SoComposeRotation.h>
#include <Inventor/nodes/SoMaterial.h>
#include <Base/Console.h>
#include <Base/UnitsApi.h>
#include "../App/PartFeature.h"
#include <Gui/Application.h>
#include <Gui/Selection.h>
#include <Gui/Document.h>
#include <Gui/View3DInventor.h>
#include <Gui/View3DInventorViewer.h>
#include <Gui/BitmapFactory.h>
#include <Gui/Control.h>
#include "TaskDimension.h"
bool PartGui::getShapeFromStrings(TopoDS_Shape &shapeOut, const std::string &doc, const std::string &object, const std::string &sub)
{
App::Document *docPointer = App::GetApplication().getDocument(doc.c_str());
if (!docPointer)
return false;
App::DocumentObject *objectPointer = docPointer->getObject(object.c_str());
if (!objectPointer)
return false;
Part::Feature *feature = dynamic_cast<Part::Feature *>(objectPointer);
if (!feature)
return false;
Base::Placement placement = feature->globalPlacement();
Part::TopoShape topoShape = feature->Shape.getShape();
topoShape.setPlacement(placement);
shapeOut = topoShape.getShape();
if (sub.size() > 0)
shapeOut = topoShape.getSubShape(sub.c_str());
if (shapeOut.IsNull())
return false;
return true;
}
bool PartGui::evaluateLinearPreSelection(TopoDS_Shape &shape1, TopoDS_Shape &shape2)
{
std::vector<Gui::SelectionSingleton::SelObj> selections = Gui::Selection().getSelection();
if (selections.size() != 2)
return false;
std::vector<Gui::SelectionSingleton::SelObj>::iterator it;
std::vector<TopoDS_Shape> shapes;
for (it = selections.begin(); it != selections.end(); ++it)
{
Part::Feature *feature = dynamic_cast<Part::Feature *>((*it).pObject);
if (!feature)
break;
TopoDS_Shape shape = feature->Shape.getValue();
if (strlen((*it).SubName) > 0)
shape = feature->Shape.getShape().getSubShape((*it).SubName);
if (shape.IsNull())
break;
shapes.push_back(shape);
}
if (shapes.size() != 2)
return false;
shape1 = shapes.front();
shape2 = shapes.back();
return true;
}
void PartGui::goDimensionLinearRoot()
{
PartGui::ensureSomeDimensionVisible();
TopoDS_Shape shape1, shape2;
if(evaluateLinearPreSelection(shape1, shape2))
{
goDimensionLinearNoTask(shape1, shape2);
Gui::Selection().clearSelection();
}
else
{
Gui::TaskView::TaskDialog* dlg = Gui::Control().activeDialog();
if (!dlg)
{
Gui::Selection().clearSelection();
dlg = new PartGui::TaskMeasureLinear();
}
Gui::Control().showDialog(dlg);
}
}
void PartGui::goDimensionLinearNoTask(const TopoDS_Shape &shape1, const TopoDS_Shape &shape2)
{
//Warning: BRepExtrema_DistShapeShape solution array is NOT 0 based.
BRepExtrema_DistShapeShape measure(shape1, shape2);
if (!measure.IsDone() || measure.NbSolution() < 1)
return;
dumpLinearResults(measure);
addLinearDimensions(measure);
//if we ever make this a class add viewer to member.
Gui::View3DInventorViewer *viewer = getViewer();
if (!viewer)
return;
}
void PartGui::dumpLinearResults(const BRepExtrema_DistShapeShape &measure)
{
std::ostringstream out;
//switch to initializer list when switch to c++11
std::vector<std::string> typeNames;
typeNames.resize(3);
typeNames[0] = "Vertex";
typeNames[1] = "Edge";
typeNames[2] = "Face";
Base::Quantity quantity(measure.Value(), Base::Unit::Length);
out << std::endl<< std::setprecision(std::numeric_limits<double>::digits10 + 1) << "distance = " <<
measure.Value() << "mm unit distance = " << quantity.getUserString().toUtf8().constData() << std::endl <<
"solution count: " << measure.NbSolution() << std::endl;
for (int index = 1; index < measure.NbSolution() + 1; ++index) //not zero based.
{
gp_Pnt point1 = measure.PointOnShape1(index);
gp_Pnt point2 = measure.PointOnShape2(index);
out << " solution " << index << ":" << std::endl << std::setprecision(std::numeric_limits<double>::digits10 + 1) <<
" point1 " << point1.X() << " " << point1.Y() << " " << point1.Z() << std::endl <<
" point2 " << point2.X() << " " << point2.Y() << " " << point2.Z() << std::endl <<
" DeltaX " << fabs(point2.X() - point1.X()) << std::endl <<
" DeltaY " << fabs(point2.Y() - point1.Y()) << std::endl <<
" DeltaZ " << fabs(point2.Z() - point1.Z()) << std::endl <<
" shape type on object1 is: " << typeNames.at(measure.SupportTypeShape1(index)) << std::endl <<
" shape type on object2 is: " << typeNames.at(measure.SupportTypeShape2(index)) << std::endl;
}
out << std::endl;
Base::Console().Message(out.str().c_str());
}
Gui::View3DInventorViewer * PartGui::getViewer()
{
Gui::View3DInventor *view = dynamic_cast<Gui::View3DInventor*>(Gui::Application::Instance->
activeDocument()->getActiveView());
if (!view)
return 0;
Gui::View3DInventorViewer *viewer = view->getViewer();
if (!viewer)
return 0;
return viewer;
}
void PartGui::addLinearDimensions(const BRepExtrema_DistShapeShape &measure)
{
Gui::View3DInventorViewer *viewer = getViewer();
if (!viewer)
return;
gp_Pnt point1 = measure.PointOnShape1(1);
gp_Pnt point2 = measure.PointOnShape2(1);
viewer->addDimension3d(createLinearDimension(point1, point2, SbColor(1.0, 0.0, 0.0)));
//create deltas. point1 will always be the same.
gp_Pnt temp = point1;
gp_Pnt lastTemp = temp;
temp.SetX(point2.X());
viewer->addDimensionDelta(createLinearDimension(lastTemp, temp, SbColor(0.0, 1.0, 0.0)));
lastTemp = temp;
temp.SetY(point2.Y());
viewer->addDimensionDelta(createLinearDimension(lastTemp, temp, SbColor(0.0, 1.0, 0.0)));
lastTemp = temp;
temp.SetZ(point2.Z());
viewer->addDimensionDelta(createLinearDimension(lastTemp, temp, SbColor(0.0, 1.0, 0.0)));
}
SoNode* PartGui::createLinearDimension(const gp_Pnt &point1, const gp_Pnt &point2, const SbColor &color)
{
SbVec3f vec1(point1.X(), point1.Y(), point1.Z());
SbVec3f vec2(point2.X(), point2.Y(), point2.Z());
if ((vec2-vec1).length() < FLT_EPSILON)
return new SoSeparator(); //empty object.
PartGui::DimensionLinear *dimension = new PartGui::DimensionLinear();
dimension->point1.setValue(vec1);
dimension->point2.setValue(vec2);
Base::Quantity quantity(static_cast<double>((vec2-vec1).length()), Base::Unit::Length);
dimension->text.setValue(quantity.getUserString().toUtf8().constData());
dimension->dColor.setValue(color);
return dimension;
}
void PartGui::eraseAllDimensions()
{
Gui::View3DInventor *view = dynamic_cast<Gui::View3DInventor*>(Gui::Application::Instance->
activeDocument()->getActiveView());
if (!view)
return;
Gui::View3DInventorViewer *viewer = view->getViewer();
if (!viewer)
return;
viewer->eraseAllDimensions();
}
void PartGui::toggle3d()
{
ParameterGrp::handle group = App::GetApplication().GetUserParameter().
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("View");
bool visibility = group->GetBool("Dimensions3dVisible", true);
if (visibility)
group->SetBool("Dimensions3dVisible", false);
else
group->SetBool("Dimensions3dVisible", true);
}
void PartGui::toggleDelta()
{
ParameterGrp::handle group = App::GetApplication().GetUserParameter().
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("View");
bool visibility = group->GetBool("DimensionsDeltaVisible", true);
if (visibility)
group->SetBool("DimensionsDeltaVisible", false);
else
group->SetBool("DimensionsDeltaVisible", true);
}
void PartGui::ensureSomeDimensionVisible()
{
ParameterGrp::handle group = App::GetApplication().GetUserParameter().
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("View");
bool visibilityAll = group->GetBool("DimensionsVisible", true);
if (!visibilityAll)
group->SetBool("DimensionsVisible", true);
bool visibility3d = group->GetBool("Dimensions3dVisible", true);
bool visibilityDelta = group->GetBool("DimensionsDeltaVisible", true);
if (!visibility3d && !visibilityDelta) //both turned off.
group->SetBool("Dimensions3dVisible", true); //turn on 3d, so something is visible.
}
void PartGui::ensure3dDimensionVisible()
{
ParameterGrp::handle group = App::GetApplication().GetUserParameter().
GetGroup("BaseApp")->GetGroup("Preferences")->GetGroup("View");
bool visibilityAll = group->GetBool("DimensionsVisible", true);
if (!visibilityAll)
group->SetBool("DimensionsVisible", true);
bool visibility3d = group->GetBool("Dimensions3dVisible", true);
if (!visibility3d) //both turned off.
group->SetBool("Dimensions3dVisible", true); //turn on 3d, so something is visible.
}
SO_KIT_SOURCE(PartGui::DimensionLinear);
void PartGui::DimensionLinear::initClass()
{
SO_KIT_INIT_CLASS(DimensionLinear, SoSeparatorKit, "SeparatorKit");
}
PartGui::DimensionLinear::DimensionLinear()
{
SO_KIT_CONSTRUCTOR(PartGui::DimensionLinear);
SO_KIT_ADD_CATALOG_ENTRY(transformation, SoTransform, true, topSeparator,"" , true);
SO_KIT_ADD_CATALOG_ENTRY(annotate, SoAnnotation, true, topSeparator,"" , true);
SO_KIT_ADD_CATALOG_ENTRY(leftArrow, SoShapeKit, true, topSeparator,"" ,true);
SO_KIT_ADD_CATALOG_ENTRY(rightArrow, SoShapeKit, true, topSeparator,"" ,true);
SO_KIT_ADD_CATALOG_ENTRY(line, SoShapeKit, true, annotate,"" ,true);
SO_KIT_ADD_CATALOG_ENTRY(textSep, SoSeparator, true, annotate,"" ,true);
SO_KIT_INIT_INSTANCE();
SO_NODE_ADD_FIELD(rotate, (1.0, 0.0, 0.0, 0.0));//position orientation of the dimension.
SO_NODE_ADD_FIELD(length, (1.0));//turns into dimension length
SO_NODE_ADD_FIELD(origin, (0.0, 0.0, 0.0));//static
SO_NODE_ADD_FIELD(text, ("test"));//dimension text
SO_NODE_ADD_FIELD(dColor, (1.0, 0.0, 0.0));//dimension color.
point1.setValue(SbVec3f(0.0, 0.0, 0.0));
point2.setValue(SbVec3f(1.0, 0.0, 0.0));
setupDimension();
}
PartGui::DimensionLinear::~DimensionLinear()
{
}
SbBool PartGui::DimensionLinear::affectsState() const
{
return false;
}
void PartGui::DimensionLinear::setupDimension()
{
//transformation
SoTransform *trans = static_cast<SoTransform *>(getPart("transformation", true));
trans->translation.connectFrom(&point1);
//build engine for vector subtraction and length.
SoCalculator *hyp = new SoCalculator();
hyp->A.connectFrom(&point1);
hyp->B.connectFrom(&point2);
hyp->expression.set1Value(0, "oA = B-A");
hyp->expression.set1Value(1, "oB = normalize(oA)");
hyp->expression.set1Value(2, "oa = length(oA)");
length.connectFrom(&hyp->oa);
//build engine for rotation.
SoComposeRotationFromTo *rotationEngine = new SoComposeRotationFromTo();
rotationEngine->from.setValue(SbVec3f(1.0, 0.0, 0.0));
rotationEngine->to.connectFrom(&hyp->oB);
trans->rotation.connectFrom(&rotationEngine->rotation);
//color
SoMaterial *material = new SoMaterial;
material->diffuseColor.connectFrom(&dColor);
//dimension arrows.
SoCone *cone = new SoCone();
cone->bottomRadius.setValue(0.25);
cone->height.setValue(0.5);
setPart("leftArrow.shape", cone);
set("leftArrow.transform", "rotation 0.0 0.0 1.0 1.5707963");
set("leftArrow.transform", "translation 0.25 0.0 0.0"); //half cone height.
setPart("rightArrow.shape", cone);
set("rightArrow.transform", "rotation 0.0 0.0 -1.0 1.5707963"); //no constant for PI.
//have use local here to do the offset because the main is wired up to length of dimension.
set("rightArrow.localTransform", "translation 0.0 -0.25 0.0"); //half cone height.
SoTransform *transform = static_cast<SoTransform *>(getPart("rightArrow.transform", false));
if (!transform)
return;//what to do here?
SoComposeVec3f *vec = new SoComposeVec3f;
vec->x.connectFrom(&length);
vec->y.setValue(0.0);
vec->z.setValue(0.0);
transform->translation.connectFrom(&vec->vector);
setPart("leftArrow.material", material);
setPart("rightArrow.material", material);
//line
SoConcatenate *catEngine = new SoConcatenate(SoMFVec3f::getClassTypeId());
//don't know how to get around having this dummy origin. cat engine wants to connectfrom?
catEngine->input[0]->connectFrom(&origin);
catEngine->input[1]->connectFrom(&vec->vector);
SoVertexProperty *lineVerts = new SoVertexProperty;
lineVerts->vertex.connectFrom(catEngine->output);
int lineVertexMap[] = {0, 1};
int lineVertexMapSize(sizeof(lineVertexMap)/sizeof(int));
SoIndexedLineSet *line = new SoIndexedLineSet;
line->vertexProperty = lineVerts;
line->coordIndex.setValues(0, lineVertexMapSize, lineVertexMap);
setPart("line.shape", line);
setPart("line.material", material);
//text
SoSeparator *textSep = static_cast<SoSeparator *>(getPart("textSep", true));
if (!textSep)
return;
textSep->addChild(material);
SoCalculator *textVecCalc = new SoCalculator();
textVecCalc->A.connectFrom(&vec->vector);
textVecCalc->B.set1Value(0, 0.0, 0.250, 0.0);
textVecCalc->expression.set1Value(0, "oA = (A / 2) + B");
SoTransform *textTransform = new SoTransform();
textTransform->translation.connectFrom(&textVecCalc->oA);
textSep->addChild(textTransform);
SoFont *fontNode = new SoFont();
fontNode->name.setValue("defaultFont");
fontNode->size.setValue(30);
textSep->addChild(fontNode);
SoText2 *textNode = new SoText2();
textNode->justification = SoText2::CENTER;
textNode->string.connectFrom(&text);
textSep->addChild(textNode);
//this prevents the 2d text from screwing up the bounding box for a viewall
SoResetTransform *rTrans = new SoResetTransform;
rTrans->whatToReset = SoResetTransform::BBOX;
textSep->addChild(rTrans);
}
PartGui::TaskMeasureLinear::TaskMeasureLinear(): selections1(), selections2(), buttonSelectedIndex(0)
{
setUpGui();
}
PartGui::TaskMeasureLinear::~TaskMeasureLinear()
{
Gui::Selection().clearSelection();
}
void PartGui::TaskMeasureLinear::onSelectionChanged(const Gui::SelectionChanges& msg)
{
if (buttonSelectedIndex == 0)
{
if (msg.Type == Gui::SelectionChanges::AddSelection)
{
DimSelections::DimSelection newSelection;
newSelection.documentName = msg.pDocName;
newSelection.objectName = msg.pObjectName;
newSelection.subObjectName = msg.pSubName;
newSelection.x = msg.x;
newSelection.y = msg.y;
newSelection.z = msg.z;
selections1.selections.clear();//we only want one item.
selections1.selections.push_back(newSelection);
QTimer::singleShot(0, this, SLOT(selectionClearDelayedSlot()));
stepped->getButton(1)->setEnabled(true);
stepped->getButton(1)->setChecked(true);
return;
}
}
if (buttonSelectedIndex == 1)
{
if (msg.Type == Gui::SelectionChanges::AddSelection)
{
DimSelections::DimSelection newSelection;
newSelection.documentName = msg.pDocName;
newSelection.objectName = msg.pObjectName;
newSelection.subObjectName = msg.pSubName;
newSelection.x = msg.x;
newSelection.y = msg.y;
newSelection.z = msg.z;
selections2.selections.clear();//we only want one item.
selections2.selections.push_back(newSelection);
buildDimension();
clearSelectionStrings();
QTimer::singleShot(0, this, SLOT(selectionClearDelayedSlot()));
stepped->getButton(0)->setChecked(true);
stepped->getButton(1)->setEnabled(false);
return;
}
}
}
void PartGui::TaskMeasureLinear::selectionClearDelayedSlot()
{
//hack.
//clearing selections are not working as I hoped. Apparently the observer callback gets called
//before the actual selection takes place. Resulting in selections being left. this addresses this
//by being called from the event loop.
this->blockConnection(true);
Gui::Selection().clearSelection();
this->blockConnection(false);
}
void PartGui::TaskMeasureLinear::buildDimension()
{
if(selections1.selections.size() != 1 || selections2.selections.size() != 1)
return;
DimSelections::DimSelection current1 = selections1.selections.at(0);
DimSelections::DimSelection current2 = selections2.selections.at(0);
TopoDS_Shape shape1, shape2;
if (!getShapeFromStrings(shape1, current1.documentName, current1.objectName, current1.subObjectName))
{
Base::Console().Message("\nFailed to get shape\n\n");
return;
}
if (!getShapeFromStrings(shape2, current2.documentName, current2.objectName, current2.subObjectName))
{
Base::Console().Message("\nFailed to get shape\n\n");
return;
}
goDimensionLinearNoTask(shape1, shape2);
}
void PartGui::TaskMeasureLinear::clearSelectionStrings()
{
selections1.selections.clear();
selections2.selections.clear();
}
void PartGui::TaskMeasureLinear::setUpGui()
{
QPixmap mainIcon = Gui::BitmapFactory().pixmap("Part_Measure_Linear");
Gui::TaskView::TaskBox* selectionTaskBox = new Gui::TaskView::TaskBox
(mainIcon, QObject::tr("Selections"), false, 0);
QVBoxLayout *selectionLayout = new QVBoxLayout();
stepped = new SteppedSelection(2, selectionTaskBox);
selectionLayout->addWidget(stepped);
selectionTaskBox->groupLayout()->addLayout(selectionLayout);
Gui::TaskView::TaskBox* controlTaskBox = new Gui::TaskView::TaskBox
(mainIcon, QObject::tr("Control"), false, 0);
QVBoxLayout *controlLayout = new QVBoxLayout();
DimensionControl *control = new DimensionControl(controlTaskBox);
controlLayout->addWidget(control);
controlTaskBox->groupLayout()->addLayout(controlLayout);
QObject::connect(control->resetButton, SIGNAL(clicked(bool)), this, SLOT(resetDialogSlot(bool)));
this->setButtonPosition(TaskDialog::South);
Content.push_back(selectionTaskBox);
Content.push_back(controlTaskBox);
stepped->getButton(0)->setChecked(true);//before wired up.
stepped->getButton(0)->setEnabled(true);
QObject::connect(stepped->getButton(0), SIGNAL(toggled(bool)), this, SLOT(selection1Slot(bool)));
QObject::connect(stepped->getButton(1), SIGNAL(toggled(bool)), this, SLOT(selection2Slot(bool)));
}
void PartGui::TaskMeasureLinear::selection1Slot(bool checked)
{
if (!checked)
{
if (selections1.selections.size() > 0)
stepped->setIconDone(0);
return;
}
buttonSelectedIndex = 0;
this->blockConnection(true);
Gui::Selection().clearSelection();
//we should only be working with 1 entity, but oh well do the loop anyway.
std::vector<DimSelections::DimSelection>::const_iterator it;
for (it = selections1.selections.begin(); it != selections1.selections.end(); ++it)
Gui::Selection().addSelection(it->documentName.c_str(), it->objectName.c_str(), it->subObjectName.c_str());
this->blockConnection(false);
}
void PartGui::TaskMeasureLinear::selection2Slot(bool checked)
{
if (!checked)
return;
buttonSelectedIndex = 1;
this->blockConnection(true);
Gui::Selection().clearSelection();
std::vector<DimSelections::DimSelection>::const_iterator it;
for (it = selections2.selections.begin(); it != selections2.selections.end(); ++it)
Gui::Selection().addSelection(it->documentName.c_str(), it->objectName.c_str(), it->subObjectName.c_str());
this->blockConnection(false);
}
void PartGui::TaskMeasureLinear::resetDialogSlot(bool)
{
clearSelectionStrings();
this->blockConnection(true);
Gui::Selection().clearSelection();
stepped->getButton(0)->setChecked(true);
stepped->getButton(1)->setEnabled(false);
this->blockConnection(false);
}
void PartGui::TaskMeasureLinear::toggle3dSlot(bool)
{
PartGui::toggle3d();
}
void PartGui::TaskMeasureLinear::toggleDeltaSlot(bool)
{
PartGui::toggleDelta();
}
void PartGui::TaskMeasureLinear::clearAllSlot(bool)
{
PartGui::eraseAllDimensions();
}
PartGui::VectorAdapter::VectorAdapter() : status(false), vector()
{
}
PartGui::VectorAdapter::VectorAdapter(const TopoDS_Face &faceIn, const gp_Vec &pickedPointIn) :
status(false), vector(), origin(pickedPointIn)
{
Handle(Geom_Surface) surface = BRep_Tool::Surface(faceIn);
if (surface->IsKind(STANDARD_TYPE(Geom_ElementarySurface)))
{
Handle(Geom_ElementarySurface) eSurface = Handle(Geom_ElementarySurface)::DownCast(surface);
gp_Dir direction = eSurface->Axis().Direction();
vector = direction;
vector.Normalize();
if (faceIn.Orientation() == TopAbs_REVERSED)
vector.Reverse();
if (surface->IsKind(STANDARD_TYPE(Geom_CylindricalSurface)) ||
surface->IsKind(STANDARD_TYPE(Geom_SphericalSurface))
)
{
origin = eSurface->Axis().Location().XYZ();
projectOriginOntoVector(pickedPointIn);
}
else
origin = pickedPointIn + vector;
status = true;
}
}
PartGui::VectorAdapter::VectorAdapter(const TopoDS_Edge &edgeIn, const gp_Vec &pickedPointIn) :
status(false), vector(), origin(pickedPointIn)
{
TopoDS_Vertex firstVertex = TopExp::FirstVertex(edgeIn, Standard_True);
TopoDS_Vertex lastVertex = TopExp::LastVertex(edgeIn, Standard_True);
vector = PartGui::convert(lastVertex) - PartGui::convert(firstVertex);
if (vector.Magnitude() < Precision::Confusion())
return;
vector.Normalize();
status = true;
projectOriginOntoVector(pickedPointIn);
}
PartGui::VectorAdapter::VectorAdapter(const TopoDS_Vertex &vertex1In, const TopoDS_Vertex &vertex2In) :
status(false), vector(), origin()
{
vector = PartGui::convert(vertex2In) - PartGui::convert(vertex1In);
vector.Normalize();
//build origin half way.
gp_Vec tempVector = (PartGui::convert(vertex2In) - PartGui::convert(vertex1In));
double mag = tempVector.Magnitude();
tempVector.Normalize();
tempVector *= (mag / 2.0);
origin = tempVector + PartGui::convert(vertex1In);
status = true;
}
PartGui::VectorAdapter::VectorAdapter(const gp_Vec &vector1, const gp_Vec &vector2) :
status(false), vector(), origin()
{
vector = vector2- vector1;
vector.Normalize();
//build origin half way.
gp_Vec tempVector = vector2 - vector1;
double mag = tempVector.Magnitude();
tempVector.Normalize();
tempVector *= (mag / 2.0);
origin = tempVector + vector1;
status = true;
}
void PartGui::VectorAdapter::projectOriginOntoVector(const gp_Vec &pickedPointIn)
{
Handle(Geom_Curve) heapLine = new Geom_Line(origin.XYZ(), vector.XYZ());
gp_Pnt tempPoint(pickedPointIn.XYZ());
GeomAPI_ProjectPointOnCurve projection(tempPoint, heapLine);
if (projection.NbPoints() < 1)
return;
origin.SetXYZ(projection.Point(1).XYZ());
}
PartGui::VectorAdapter::operator gp_Lin() const
{
gp_Pnt tempOrigin;
tempOrigin.SetXYZ(origin.XYZ());
return gp_Lin(tempOrigin, gp_Dir(vector));
}
gp_Vec PartGui::convert(const TopoDS_Vertex &vertex)
{
gp_Pnt point = BRep_Tool::Pnt(vertex);
gp_Vec out(point.X(), point.Y(), point.Z());
return out;
}
void PartGui::goDimensionAngularRoot()
{
PartGui::ensure3dDimensionVisible();
VectorAdapter adapter1, adapter2;
if(PartGui::evaluateAngularPreSelection(adapter1, adapter2))
goDimensionAngularNoTask(adapter1, adapter2);
else
{
Gui::TaskView::TaskDialog* dlg = Gui::Control().activeDialog();
if (!dlg)
{
Gui::Selection().clearSelection();
dlg = new PartGui::TaskMeasureAngular();
}
Gui::Control().showDialog(dlg);
}
Gui::Selection().clearSelection();
}
bool PartGui::evaluateAngularPreSelection(VectorAdapter &vector1Out, VectorAdapter &vector2Out)
{
std::vector<Gui::SelectionSingleton::SelObj> selections = Gui::Selection().getSelection();
if (selections.size() > 4 || selections.size() < 2)
return false;
std::vector<Gui::SelectionSingleton::SelObj>::iterator it;
std::vector<VectorAdapter> adapters;
TopoDS_Vertex lastVertex;
for (it = selections.begin(); it != selections.end(); ++it)
{
Part::Feature *feature = dynamic_cast<Part::Feature *>((*it).pObject);
if (!feature)
break;
TopoDS_Shape shape = feature->Shape.getValue();
if (strlen((*it).SubName) > 0)
shape = feature->Shape.getShape().getSubShape((*it).SubName);
if (shape.IsNull())
break;
if (shape.ShapeType() == TopAbs_VERTEX)
{
TopoDS_Vertex currentVertex = TopoDS::Vertex(shape);
if (!lastVertex.IsNull())
{
//need something here for 0 length vector.
//create a point half way between to vertices.
adapters.push_back(VectorAdapter(currentVertex, lastVertex));
lastVertex = TopoDS_Vertex();
}
else
{
lastVertex = currentVertex;
}
continue;
}
//vertices have to be selected in succession. so if we make it here clear the last vertex.
lastVertex = TopoDS_Vertex();
gp_Vec pickPoint(it->x, it->y, it->z);
//can't use selections without a pick point.
if (pickPoint.IsEqual(gp_Vec(0.0, 0.0, 0.0), Precision::Confusion(), Precision::Angular()))
{
Base::Console().Message("Can't use selections without a pick point.\n");
continue;
}
if (shape.ShapeType() == TopAbs_EDGE)
{
TopoDS_Edge edge = TopoDS::Edge(shape);
// make edge orientation so that end of edge closest to pick is head of vector.
gp_Vec firstPoint = PartGui::convert(TopExp::FirstVertex(edge, Standard_True));
gp_Vec lastPoint = PartGui::convert(TopExp::LastVertex(edge, Standard_True));
double firstDistance = (firstPoint - pickPoint).Magnitude();
double lastDistance = (lastPoint - pickPoint).Magnitude();
if (lastDistance > firstDistance)
{
if (edge.Orientation() == TopAbs_FORWARD)
edge.Orientation(TopAbs_REVERSED);
else
edge.Orientation(TopAbs_FORWARD);
}
adapters.push_back(VectorAdapter(edge, pickPoint));
continue;
}
if (shape.ShapeType() == TopAbs_FACE)
{
TopoDS_Face face = TopoDS::Face(shape);
adapters.push_back(VectorAdapter(face, pickPoint));
continue;
}
}
if (adapters.size() != 2)
return false;
if (!adapters.front().isValid() || !adapters.back().isValid())
return false;
vector1Out = adapters.front();
vector2Out = adapters.back();
//making sure pick points are not equal
if ((vector1Out.getPickPoint() - vector2Out.getPickPoint()).Magnitude() < std::numeric_limits<float>::epsilon())
{
Base::Console().Message("pick points are equal\n");
return false;
}
return true;
}
void PartGui::goDimensionAngularNoTask(const VectorAdapter &vector1Adapter, const VectorAdapter &vector2Adapter)
{
gp_Vec vector1 = vector1Adapter;
gp_Vec vector2 = vector2Adapter;
double angle = vector1.Angle(vector2);
std::ostringstream stream;
stream << std::setprecision(std::numeric_limits<double>::digits10 + 1) << std::fixed << std::endl <<
"angle in radians is: " << angle << std::endl <<
"angle in degrees is: " << 180 * angle / M_PI << std::endl;
if (angle < M_PI / 2.0)
stream << std::setprecision(std::numeric_limits<double>::digits10 + 1) <<
"complement in radians is: " << M_PI / 2.0 - angle << std::endl <<
"complement in degrees is: " << 90 - 180 * angle / M_PI << std::endl;
//I don't think we get anything over 180, but just in case.
if (angle > M_PI / 2.0 && angle < M_PI)
stream << std::setprecision(std::numeric_limits<double>::digits10 + 1) <<
"supplement in radians is: " << M_PI - angle << std::endl <<
"supplement in degrees is: " << 180 - 180 * angle / M_PI << std::endl;
Base::Console().Message(stream.str().c_str());
SbMatrix dimSys;
double radius;
double displayAngle;//have to fake the angle in the 3d.
if (vector1.IsParallel(vector2, Precision::Angular()))
{
//take first point project it onto second vector.
Handle(Geom_Curve) heapLine2 = new Geom_Line(vector2Adapter);
gp_Pnt tempPoint(vector1Adapter.getPickPoint().XYZ());
GeomAPI_ProjectPointOnCurve projection(tempPoint, heapLine2);
if (projection.NbPoints() < 1)
{
Base::Console().Message("parallel vectors: couldn't project onto line\n");
return;
}
gp_Vec newPoint2;
newPoint2.SetXYZ(projection.Point(1).XYZ());
//if points are colinear, projection doesn't work and returns the same point.
//In this case we just use the original point.
if ((newPoint2 - vector1Adapter.getPickPoint()).Magnitude() < Precision::Confusion())
newPoint2 = vector2Adapter.getPickPoint();
//now get midpoint between for dim origin.
gp_Vec point1 = vector1Adapter.getPickPoint();
gp_Vec midPointProjection = newPoint2 - point1;
double distance = midPointProjection.Magnitude();
midPointProjection.Normalize();
midPointProjection *= distance / 2.0;
gp_Vec origin = point1 + midPointProjection;
//yaxis should be the same as vector1, but doing this to eliminate any potential slop from
//using precision::angular. If lines are colinear and we have no plane, we can't establish zAxis from crossing.
//we just the absolute axis.
gp_Vec xAxis = (point1 - origin).Normalized();
gp_Vec zAxis;
if (xAxis.IsParallel(vector1, Precision::Angular()))
{
if (!xAxis.IsParallel(gp_Vec(0.0, 0.0, 1.0), Precision::Angular()))
zAxis = gp_Vec(0.0, 0.0, 1.0);
else
zAxis = gp_Vec(0.0, 1.0, 0.0);
}
else
zAxis = xAxis.Crossed(vector1).Normalized();
gp_Vec yAxis = zAxis.Crossed(xAxis).Normalized();
zAxis = xAxis.Crossed(yAxis).Normalized();
dimSys = SbMatrix
(
xAxis.X(), yAxis.X(), zAxis.X(), origin.X(),
xAxis.Y(), yAxis.Y(), zAxis.Y(), origin.Y(),
xAxis.Z(), yAxis.Z(), zAxis.Z(), origin.Z(),
0.0, 0.0, 0.0, 1.0
);
dimSys = dimSys.transpose();
radius = midPointProjection.Magnitude();
displayAngle = M_PI;
}
else
{
Handle(Geom_Curve) heapLine1 = new Geom_Line(vector1Adapter);
Handle(Geom_Curve) heapLine2 = new Geom_Line(vector2Adapter);
GeomAPI_ExtremaCurveCurve extrema(heapLine1, heapLine2);
if (extrema.NbExtrema() < 1)
{
Base::Console().Message("couldn't get extrema\n");
return;
}
gp_Pnt extremaPoint1, extremaPoint2, dimensionOriginPoint;
extrema.Points(1, extremaPoint1, extremaPoint2);
if (extremaPoint1.Distance(extremaPoint2) < Precision::Confusion())
dimensionOriginPoint = extremaPoint1;
else
{
//find half way point in between extrema points for dimension origin.
gp_Vec vec1(extremaPoint1.XYZ());
gp_Vec vec2(extremaPoint2.XYZ());
gp_Vec connection(vec2-vec1);
Standard_Real distance = connection.Magnitude();
connection.Normalize();
connection *= (distance / 2.0);
dimensionOriginPoint.SetXYZ((vec1 + connection).XYZ());
}
gp_Vec thirdPoint(vector2Adapter.getPickPoint());
gp_Vec originVector(dimensionOriginPoint.XYZ());
gp_Vec extrema2Vector(extremaPoint2.XYZ());
radius = (vector1Adapter.getPickPoint() - originVector).Magnitude();
double legOne = (extrema2Vector - originVector).Magnitude();
displayAngle = angle;
if (legOne > Precision::Confusion())
{
double legTwo = sqrt(pow(radius, 2) - pow(legOne, 2));
gp_Vec projectionVector(vector2);
projectionVector.Normalize();
projectionVector *= legTwo;
thirdPoint = extrema2Vector + projectionVector;
gp_Vec hyp(thirdPoint - originVector);
hyp.Normalize();
gp_Vec otherSide(vector1Adapter.getPickPoint() - originVector);
otherSide.Normalize();
displayAngle = hyp.Angle(otherSide);
}
gp_Vec xAxis = (vector1Adapter.getPickPoint() - originVector).Normalized();
gp_Vec fakeYAxis = (thirdPoint - originVector).Normalized();
gp_Vec zAxis = (xAxis.Crossed(fakeYAxis)).Normalized();
gp_Vec yAxis = zAxis.Crossed(xAxis).Normalized();
dimSys = SbMatrix
(
xAxis.X(), yAxis.X(), zAxis.X(), dimensionOriginPoint.X(),
xAxis.Y(), yAxis.Y(), zAxis.Y(), dimensionOriginPoint.Y(),
xAxis.Z(), yAxis.Z(), zAxis.Z(), dimensionOriginPoint.Z(),
0.0, 0.0, 0.0, 1.0
);
dimSys = dimSys.transpose();
}
DimensionAngular *dimension = new DimensionAngular();
dimension->matrix.setValue(dimSys);
dimension->radius.setValue(radius);
dimension->angle.setValue(static_cast<float>(displayAngle));
dimension->text.setValue((Base::Quantity(180 * angle / M_PI, Base::Unit::Angle)).getUserString().toUtf8().constData());