本文整理汇总了C++中base::Vector3d类的典型用法代码示例。如果您正苦于以下问题:C++ Vector3d类的具体用法?C++ Vector3d怎么用?C++ Vector3d使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
在下文中一共展示了Vector3d类的20个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: scale
PyObject* MatrixPy::scale(PyObject * args)
{
double x,y,z;
Base::Vector3d vec;
PyObject *pcVecObj;
if (PyArg_ParseTuple(args, "ddd", &x,&y,&z)) { // convert args: Python->C
vec.x = x;
vec.y = y;
vec.z = z;
}
else if (PyArg_ParseTuple(args, "O!:three floats or a vector is needed",
&PyTuple_Type, &pcVecObj)) {
vec = getVectorFromTuple<double>(pcVecObj);
// clears the error from the first PyArg_ParseTuple()6
PyErr_Clear();
}
else if (PyArg_ParseTuple(args, "O!:three floats or a vector is needed", &(Base::VectorPy::Type), &pcVecObj)) {
// convert args: Python->C
Base::VectorPy *pcObject = static_cast<Base::VectorPy*>(pcVecObj);
Base::Vector3d* val = pcObject->getVectorPtr();
vec.Set(val->x,val->y,val->z);
// clears the error from the first PyArg_ParseTuple()6
PyErr_Clear();
}
else
return NULL;
PY_TRY {
getMatrixPtr()->scale(vec);
}
PY_CATCH;
Py_Return;
}
开发者ID:AjinkyaDahale,项目名称:FreeCAD,代码行数:35,代码来源:MatrixPyImp.cpp
示例2: getViewAxis
/// utility non-class member functions
//! gets a coordinate system that matches view system used in 3D with +Z up (or +Y up if neccessary)
//! used for individual views, but not secondary views in projection groups
gp_Ax2 TechDrawGeometry::getViewAxis(const Base::Vector3d origin,
const Base::Vector3d& direction,
const bool flip)
{
gp_Pnt inputCenter(origin.x,origin.y,origin.z);
Base::Vector3d stdZ(0.0,0.0,1.0);
Base::Vector3d flipDirection(direction.x,-direction.y,direction.z);
if (!flip) {
flipDirection = Base::Vector3d(direction.x,direction.y,direction.z);
}
Base::Vector3d cross = flipDirection;
//special cases
if (flipDirection == stdZ) {
cross = Base::Vector3d(1.0,0.0,0.0);
} else if (flipDirection == (stdZ * -1.0)) {
cross = Base::Vector3d(1.0,0.0,0.0);
} else {
cross.Normalize();
cross = cross.Cross(stdZ);
}
gp_Ax2 viewAxis;
viewAxis = gp_Ax2(inputCenter,
gp_Dir(flipDirection.x, flipDirection.y, flipDirection.z),
// gp_Dir(1.0, 1.0, 0.0));
gp_Dir(cross.x, cross.y, cross.z));
return viewAxis;
}
开发者ID:abdullahtahiriyo,项目名称:FreeCAD_sf_master,代码行数:30,代码来源:GeometryObject.cpp
示例3: transform
PyObject* MatrixPy::transform(PyObject * args)
{
Base::Vector3d vec;
Matrix4D mat;
PyObject *pcVecObj,*pcMatObj;
if (PyArg_ParseTuple(args, "O!O!: a transform point (Vector) and a transform matrix (Matrix) is needed",
&(Base::VectorPy::Type), &pcVecObj, &(MatrixPy::Type), &pcMatObj) ) { // convert args: Python->C
Base::VectorPy *pcObject = static_cast<Base::VectorPy*>(pcVecObj);
Base::Vector3d* val = pcObject->getVectorPtr();
vec.Set(val->x,val->y,val->z);
mat = *(static_cast<MatrixPy*>(pcMatObj)->getMatrixPtr());
// clears the error from the first PyArg_ParseTuple()6
PyErr_Clear();
}
else
return NULL; // NULL triggers exception
PY_TRY {
getMatrixPtr()->transform(vec,mat);
}
PY_CATCH;
Py_Return;
}
开发者ID:AjinkyaDahale,项目名称:FreeCAD,代码行数:25,代码来源:MatrixPyImp.cpp
示例4: setColor
void TrajectoryVisualization::setColor(const base::Vector3d& color)
{
{ boost::mutex::scoped_lock lockit(this->updateMutex);
this->color = osg::Vec4(color.x(), color.y(), color.z(), 1.0); }
emit propertyChanged("Color");
setDirty();
}
开发者ID:maltewi,项目名称:base-types,代码行数:7,代码来源:TrajectoryVisualization.cpp
示例5: computeFinalParameters
Extrusion::ExtrusionParameters Extrusion::computeFinalParameters()
{
Extrusion::ExtrusionParameters result;
Base::Vector3d dir;
switch(this->DirMode.getValue()){
case dmCustom:
dir = this->Dir.getValue();
break;
case dmEdge:{
bool fetched;
Base::Vector3d base;
fetched = fetchAxisLink(this->DirLink, base, dir);
if (! fetched)
throw Base::Exception("DirMode is set to use edge, but no edge is linked.");
this->Dir.setValue(dir);
}break;
case dmNormal:
dir = calculateShapeNormal(this->Base);
this->Dir.setValue(dir);
break;
default:
throw Base::ValueError("Unexpected enum value");
}
if(dir.Length() < Precision::Confusion())
throw Base::ValueError("Direction is zero-length");
result.dir = gp_Dir(dir.x, dir.y, dir.z);
if (this->Reversed.getValue())
result.dir.Reverse();
result.lengthFwd = this->LengthFwd.getValue();
result.lengthRev = this->LengthRev.getValue();
if(fabs(result.lengthFwd) < Precision::Confusion()
&& fabs(result.lengthRev) < Precision::Confusion() ){
result.lengthFwd = dir.Length();
}
if (this->Symmetric.getValue()){
result.lengthRev = result.lengthFwd * 0.5;
result.lengthFwd = result.lengthFwd * 0.5;
}
if (fabs(result.lengthFwd + result.lengthRev) < Precision::Confusion())
throw Base::ValueError("Total length of extrusion is zero.");
result.solid = this->Solid.getValue();
result.taperAngleFwd = this->TaperAngle.getValue() * M_PI / 180.0;
if (fabs(result.taperAngleFwd) > M_PI * 0.5 - Precision::Angular() )
throw Base::ValueError("Magnitude of taper angle matches or exceeds 90 degrees. That is too much.");
result.taperAngleRev = this->TaperAngleRev.getValue() * M_PI / 180.0;
if (fabs(result.taperAngleRev) > M_PI * 0.5 - Precision::Angular() )
throw Base::ValueError("Magnitude of taper angle matches or exceeds 90 degrees. That is too much.");
result.faceMakerClass = this->FaceMakerClass.getValue();
return result;
}
开发者ID:AjinkyaDahale,项目名称:FreeCAD,代码行数:57,代码来源:FeatureExtrusion.cpp
示例6: transformToOutside
Base::Vector3d MeshObject::getPointNormal(unsigned long index) const
{
std::vector<Base::Vector3f> temp = _kernel.CalcVertexNormals();
Base::Vector3d normal = transformToOutside(temp[index]);
// the normal is a vector, hence we must not apply the translation part
// of the transformation to the vector
normal.x -= _Mtrx[0][3];
normal.y -= _Mtrx[1][3];
normal.z -= _Mtrx[2][3];
normal.Normalize();
return normal;
}
开发者ID:PrLayton,项目名称:SeriousFractal,代码行数:13,代码来源:Mesh.cpp
示例7: updateDataIntern
void TrajectoryVisualization::updateDataIntern( const base::Vector3d& data )
{
if(doClear)
{
points.clear();
doClear = false;
}
Point p;
p.point = osg::Vec3(data.x(), data.y(), data.z());
p.color = color;
points.push_back(p);
while(points.size() > max_number_of_points)
points.pop_front();
}
开发者ID:maltewi,项目名称:base-types,代码行数:14,代码来源:TrajectoryVisualization.cpp
示例8: findOneClosestPoint
base::Vector3d SplineBase::poseError(base::Vector3d _position, double _heading, double _guess)
{
double param = findOneClosestPoint(_position.data(), _guess, getGeometricResolution());
// Returns the error [distance error, orientation error, parameter]
return base::Vector3d(distanceError(_position, param), headingError(_heading, param), param);
}
开发者ID:Spyrko,项目名称:base-types,代码行数:7,代码来源:Spline.cpp
示例9: setDirection
void LocationWidget::setDirection(const Base::Vector3d& dir)
{
if (dir.Length() < Base::Vector3d::epsilon()) {
return;
}
// check if the user-defined direction is already there
for (int i=0; i<dValue->count()-1; i++) {
QVariant data = dValue->itemData (i);
if (data.canConvert<Base::Vector3d>()) {
const Base::Vector3d val = data.value<Base::Vector3d>();
if (val == dir) {
dValue->setCurrentIndex(i);
return;
}
}
}
// add a new item before the very last item
QString display = QString::fromLatin1("(%1,%2,%3)")
.arg(dir.x)
.arg(dir.y)
.arg(dir.z);
dValue->insertItem(dValue->count()-1, display,
QVariant::fromValue<Base::Vector3d>(dir));
dValue->setCurrentIndex(dValue->count()-2);
}
开发者ID:AjinkyaDahale,项目名称:FreeCAD,代码行数:27,代码来源:InputVector.cpp
示例10: cMeshEval
Base::Matrix4D MeshObject::getEigenSystem(Base::Vector3d& v) const
{
MeshCore::MeshEigensystem cMeshEval(_kernel);
cMeshEval.Evaluate();
Base::Vector3f uvw = cMeshEval.GetBoundings();
v.Set(uvw.x, uvw.y, uvw.z);
return cMeshEval.Transform();
}
开发者ID:PrLayton,项目名称:SeriousFractal,代码行数:8,代码来源:Mesh.cpp
示例11: on_direction_activated
void LocationWidget::on_direction_activated(int index)
{
// last item is selected to define direction by user
if (index+1 == dValue->count()) {
bool ok;
Base::Vector3d dir = this->getUserDirection(&ok);
if (ok) {
if (dir.Length() < Base::Vector3d::epsilon()) {
QMessageBox::critical(this, LocationDialog::tr("Wrong direction"),
LocationDialog::tr("Direction must not be the null vector"));
return;
}
setDirection(dir);
}
}
}
开发者ID:AjinkyaDahale,项目名称:FreeCAD,代码行数:17,代码来源:InputVector.cpp
示例12: stdX
//! calculate the section Normal/Projection Direction given baseView projection direction and section name
Base::Vector3d DrawViewSection::getSectionVector (const std::string sectionName)
{
Base::Vector3d result;
Base::Vector3d stdX(1.0,0.0,0.0);
Base::Vector3d stdY(0.0,1.0,0.0);
Base::Vector3d stdZ(0.0,0.0,1.0);
double adjustAngle = 0.0;
if (getBaseDPGI() != nullptr) {
adjustAngle = getBaseDPGI()->getRotateAngle();
}
Base::Vector3d view = getBaseDVP()->Direction.getValue();
view.Normalize();
Base::Vector3d left = view.Cross(stdZ);
left.Normalize();
Base::Vector3d up = view.Cross(left);
up.Normalize();
double dot = view.Dot(stdZ);
if (sectionName == "Up") {
result = up;
if (DrawUtil::fpCompare(dot,1.0)) { //view = stdZ
result = (-1.0 * stdY);
} else if (DrawUtil::fpCompare(dot,-1.0)) { //view = -stdZ
result = stdY;
}
} else if (sectionName == "Down") {
result = up * -1.0;
if (DrawUtil::fpCompare(dot,1.0)) { //view = stdZ
result = stdY;
} else if (DrawUtil::fpCompare(dot, -1.0)) { //view = -stdZ
result = (-1.0 * stdY);
}
} else if (sectionName == "Left") {
result = left * -1.0;
if (DrawUtil::fpCompare(fabs(dot),1.0)) { //view = +/- stdZ
result = stdX;
}
} else if (sectionName == "Right") {
result = left;
if (DrawUtil::fpCompare(fabs(dot),1.0)) {
result = -1.0 * stdX;
}
} else {
Base::Console().Log("Error - DVS::getSectionVector - bad sectionName: %s\n",sectionName.c_str());
result = stdZ;
}
Base::Vector3d adjResult = DrawUtil::vecRotate(result,adjustAngle,view);
return adjResult;
}
开发者ID:itain,项目名称:FreeCAD,代码行数:52,代码来源:DrawViewSection.cpp
示例13: onChanged
void ConstraintForce::onChanged(const App::Property* prop)
{
// Note: If we call this at the end, then the arrows are not oriented correctly initially
// because the NormalDirection has not been calculated yet
Constraint::onChanged(prop);
if (prop == &References) {
std::vector<Base::Vector3d> points;
std::vector<Base::Vector3d> normals;
if (getPoints(points, normals)) {
Points.setValues(points); // We don't use the normals because all arrows should have the same direction
}
} else if (prop == &Direction) {
Base::Vector3d direction = getDirection(Direction);
if (direction.Length() < Precision::Confusion())
return;
naturalDirectionVector = direction;
if (Reversed.getValue())
direction = -direction;
DirectionVector.setValue(direction);
} else if (prop == &Reversed) {
// if the direction is invalid try to compute it again
if (naturalDirectionVector.Length() < Precision::Confusion()) {
naturalDirectionVector = getDirection(Direction);
}
if (naturalDirectionVector.Length() >= Precision::Confusion()) {
if (Reversed.getValue() && (DirectionVector.getValue() == naturalDirectionVector)) {
DirectionVector.setValue(-naturalDirectionVector);
} else if (!Reversed.getValue() && (DirectionVector.getValue() != naturalDirectionVector)) {
DirectionVector.setValue(naturalDirectionVector);
}
}
} else if (prop == &NormalDirection) {
// Set a default direction if no direction reference has been given
if (Direction.getValue() == NULL) {
Base::Vector3d direction = NormalDirection.getValue();
if (Reversed.getValue())
direction = -direction;
DirectionVector.setValue(direction);
naturalDirectionVector = direction;
}
}
}
开发者ID:PrLayton,项目名称:SeriousFractal,代码行数:43,代码来源:FemConstraintForce.cpp
示例14: fetchAxisLink
bool Extrusion::fetchAxisLink(const App::PropertyLinkSub& axisLink, Base::Vector3d& basepoint, Base::Vector3d& dir)
{
if (!axisLink.getValue())
return false;
if (!axisLink.getValue()->isDerivedFrom(Part::Feature::getClassTypeId()))
throw Base::TypeError("AxisLink has no OCC shape");
Part::Feature* linked = static_cast<Part::Feature*>(axisLink.getValue());
TopoDS_Shape axEdge;
if (axisLink.getSubValues().size() > 0 && axisLink.getSubValues()[0].length() > 0){
axEdge = linked->Shape.getShape().getSubShape(axisLink.getSubValues()[0].c_str());
} else {
axEdge = linked->Shape.getValue();
}
if (axEdge.IsNull())
throw Base::ValueError("DirLink shape is null");
if (axEdge.ShapeType() != TopAbs_EDGE)
throw Base::TypeError("DirLink shape is not an edge");
BRepAdaptor_Curve crv(TopoDS::Edge(axEdge));
gp_Pnt startpoint;
gp_Pnt endpoint;
if (crv.GetType() == GeomAbs_Line){
startpoint = crv.Value(crv.FirstParameter());
endpoint = crv.Value(crv.LastParameter());
if (axEdge.Orientation() == TopAbs_REVERSED)
std::swap(startpoint, endpoint);
} else {
throw Base::TypeError("DirLink edge is not a line.");
}
basepoint.Set(startpoint.X(), startpoint.Y(), startpoint.Z());
gp_Vec vec = gp_Vec(startpoint, endpoint);
dir.Set(vec.X(), vec.Y(), vec.Z());
return true;
}
开发者ID:AjinkyaDahale,项目名称:FreeCAD,代码行数:38,代码来源:FeatureExtrusion.cpp
示例15: move
PyObject* MeshPointPy::move(PyObject *args)
{
if (!getMeshPointPtr()->isBound())
PyErr_SetString(Base::BaseExceptionFreeCADError, "This object is not bounded to a mesh, so no topological operation is possible!");
double x=0.0,y=0.0,z=0.0;
PyObject *object;
Base::Vector3d vec;
if (PyArg_ParseTuple(args, "ddd", &x,&y,&z)) {
vec.Set(x,y,z);
}
else if (PyArg_ParseTuple(args,"O!",&(Base::VectorPy::Type), &object)) {
PyErr_Clear(); // set by PyArg_ParseTuple()
// Note: must be static_cast, not reinterpret_cast
vec = *(static_cast<Base::VectorPy*>(object)->getVectorPtr());
}
else {
return 0;
}
getMeshPointPtr()->Mesh->movePoint(getMeshPointPtr()->Index,vec);
Py_Return;
}
开发者ID:PrLayton,项目名称:SeriousFractal,代码行数:23,代码来源:MeshPointPyImp.cpp
示例16: onChanged
void ConstraintGear::onChanged(const App::Property* prop)
{
ConstraintBearing::onChanged(prop);
if (prop == &Direction) {
Base::Vector3d direction = getDirection(Direction);
if (direction.Length() < Precision::Confusion())
return;
naturalDirectionVector = direction;
if (Reversed.getValue())
direction = -direction;
DirectionVector.setValue(direction);
DirectionVector.touch();
} else if (prop == &Reversed) {
if (Reversed.getValue() && (DirectionVector.getValue() == naturalDirectionVector)) {
DirectionVector.setValue(-naturalDirectionVector);
DirectionVector.touch();
} else if (!Reversed.getValue() && (DirectionVector.getValue() != naturalDirectionVector)) {
DirectionVector.setValue(naturalDirectionVector);
DirectionVector.touch();
}
}
// The computation for the force angle is simpler in the ViewProvider directly
}
开发者ID:5263,项目名称:FreeCAD,代码行数:24,代码来源:FemConstraintGear.cpp
示例17: setEdit
bool ViewProviderMirror::setEdit(int ModNum)
{
if (ModNum == ViewProvider::Default) {
// get the properties from the mirror feature
Part::Mirroring* mf = static_cast<Part::Mirroring*>(getObject());
Base::BoundBox3d bbox = mf->Shape.getBoundingBox();
float len = (float)bbox.CalcDiagonalLength();
Base::Vector3d base = mf->Base.getValue();
Base::Vector3d norm = mf->Normal.getValue();
Base::Vector3d cent = bbox.GetCenter();
base = cent.ProjToPlane(base, norm);
// setup the graph for editing the mirror plane
SoTransform* trans = new SoTransform;
SbRotation rot(SbVec3f(0,0,1), SbVec3f(norm.x,norm.y,norm.z));
trans->rotation.setValue(rot);
trans->translation.setValue(base.x,base.y,base.z);
trans->center.setValue(0.0f,0.0f,0.0f);
SoMaterial* color = new SoMaterial();
color->diffuseColor.setValue(0,0,1);
color->transparency.setValue(0.5);
SoCoordinate3* points = new SoCoordinate3();
points->point.setNum(4);
points->point.set1Value(0, -len/2,-len/2,0);
points->point.set1Value(1, len/2,-len/2,0);
points->point.set1Value(2, len/2, len/2,0);
points->point.set1Value(3, -len/2, len/2,0);
SoFaceSet* face = new SoFaceSet();
pcEditNode->addChild(trans);
pcEditNode->addChild(color);
pcEditNode->addChild(points);
pcEditNode->addChild(face);
// Now we replace the SoTransform node by a manipulator
// Note: Even SoCenterballManip inherits from SoTransform
// we cannot use it directly (in above code) because the
// translation and center fields are overridden.
SoSearchAction sa;
sa.setInterest(SoSearchAction::FIRST);
sa.setSearchingAll(FALSE);
sa.setNode(trans);
sa.apply(pcEditNode);
SoPath * path = sa.getPath();
if (path) {
SoCenterballManip * manip = new SoCenterballManip;
manip->replaceNode(path);
SoDragger* dragger = manip->getDragger();
dragger->addStartCallback(dragStartCallback, this);
dragger->addFinishCallback(dragFinishCallback, this);
dragger->addMotionCallback(dragMotionCallback, this);
}
pcRoot->addChild(pcEditNode);
}
else {
ViewProviderPart::setEdit(ModNum);
}
return true;
}
开发者ID:pacificIT,项目名称:FreeCAD,代码行数:61,代码来源:ViewProviderMirror.cpp
示例18: seekAutoConstraint
int DrawSketchHandler::seekAutoConstraint(std::vector<AutoConstraint> &suggestedConstraints,
const Base::Vector2D& Pos, const Base::Vector2D& Dir,
AutoConstraint::TargetType type)
{
suggestedConstraints.clear();
if (!sketchgui->Autoconstraints.getValue())
return 0; // If Autoconstraints property is not set quit
Base::Vector3d hitShapeDir = Base::Vector3d(0,0,0); // direction of hit shape (if it is a line, the direction of the line)
// Get Preselection
int preSelPnt = sketchgui->getPreselectPoint();
int preSelCrv = sketchgui->getPreselectCurve();
int preSelCrs = sketchgui->getPreselectCross();
int GeoId = Constraint::GeoUndef;
Sketcher::PointPos PosId = Sketcher::none;
if (preSelPnt != -1)
sketchgui->getSketchObject()->getGeoVertexIndex(preSelPnt, GeoId, PosId);
else if (preSelCrv != -1){
GeoId = preSelCrv;
const Part::Geometry *geom = sketchgui->getSketchObject()->getGeometry(GeoId);
if(geom->getTypeId() == Part::GeomLineSegment::getClassTypeId()){
const Part::GeomLineSegment *line = static_cast<const Part::GeomLineSegment *>(geom);
hitShapeDir= line->getEndPoint()-line->getStartPoint();
}
}
else if (preSelCrs == 0) { // root point
GeoId = -1;
PosId = Sketcher::start;
}
else if (preSelCrs == 1){ // x axis
GeoId = -1;
hitShapeDir = Base::Vector3d(1,0,0);
}
else if (preSelCrs == 2){ // y axis
GeoId = -2;
hitShapeDir = Base::Vector3d(0,1,0);
}
if (GeoId != Constraint::GeoUndef) {
// Currently only considers objects in current Sketcher
AutoConstraint constr;
constr.Type = Sketcher::None;
constr.GeoId = GeoId;
constr.PosId = PosId;
if (type == AutoConstraint::VERTEX && PosId != Sketcher::none)
constr.Type = Sketcher::Coincident;
else if (type == AutoConstraint::CURVE && PosId != Sketcher::none)
constr.Type = Sketcher::PointOnObject;
else if (type == AutoConstraint::VERTEX && PosId == Sketcher::none)
constr.Type = Sketcher::PointOnObject;
else if (type == AutoConstraint::CURVE && PosId == Sketcher::none)
constr.Type = Sketcher::Tangent;
if(constr.Type == Sketcher::Tangent && Dir.Length() > 1e-8 && hitShapeDir.Length() > 1e-8) { // We are hitting a line and have hitting vector information
Base::Vector3d dir3d = Base::Vector3d(Dir.fX,Dir.fY,0);
double cosangle=dir3d.Normalize()*hitShapeDir.Normalize();
// the angle between the line and the hitting direction are over around 6 degrees (it is substantially parallel)
// or if it is an sketch axis (that can not move to accomodate to the shape), then only if it is around 6 degrees with the normal (around 84 degrees)
if (fabs(cosangle) < 0.995f || ((GeoId==-1 || GeoId==-2) && fabs(cosangle) < 0.1))
suggestedConstraints.push_back(constr);
return suggestedConstraints.size();
}
if (constr.Type != Sketcher::None)
suggestedConstraints.push_back(constr);
}
if (Dir.Length() < 1e-8 || type == AutoConstraint::CURVE)
// Direction not set so return;
return suggestedConstraints.size();
// Suggest vertical and horizontal constraints
// Number of Degree of deviation from horizontal or vertical lines
const double angleDev = 2;
const double angleDevRad = angleDev * M_PI / 180.;
AutoConstraint constr;
constr.Type = Sketcher::None;
constr.GeoId = Constraint::GeoUndef;
constr.PosId = Sketcher::none;
double angle = std::abs(atan2(Dir.fY, Dir.fX));
if (angle < angleDevRad || (M_PI - angle) < angleDevRad )
// Suggest horizontal constraint
constr.Type = Sketcher::Horizontal;
else if (std::abs(angle - M_PI_2) < angleDevRad)
// Suggest vertical constraint
constr.Type = Sketcher::Vertical;
if (constr.Type != Sketcher::None)
suggestedConstraints.push_back(constr);
//.........这里部分代码省略.........
开发者ID:davidlni,项目名称:FreeCAD,代码行数:101,代码来源:DrawSketchHandler.cpp
示例19: length
// Methods for distances (edge length, two points, edge and a point
double Measurement::length() const
{
int numRefs = References3D.getSize();
if(!numRefs || measureType == Invalid) {
throw Base::Exception("Measurement - length - Invalid References3D Provided");
}
double result = 0.0;
const std::vector<App::DocumentObject*> &objects = References3D.getValues();
const std::vector<std::string> &subElements = References3D.getSubValues();
if(measureType == Points ||
measureType == PointToEdge ||
measureType == PointToSurface) {
Base::Vector3d diff = this->delta();
//return diff.Length();
result = diff.Length();
} else if(measureType == Edges) {
double length = 0.f;
// Iterate through edges and calculate each length
std::vector<App::DocumentObject*>::const_iterator obj = objects.begin();
std::vector<std::string>::const_iterator subEl = subElements.begin();
for (;obj != objects.end(); ++obj, ++subEl) {
//const Part::Feature *refObj = static_cast<const Part::Feature*>((*obj));
//const Part::TopoShape& refShape = refObj->Shape.getShape();
// Get the length of one edge
TopoDS_Shape shape = getShape(*obj, (*subEl).c_str());
const TopoDS_Edge& edge = TopoDS::Edge(shape);
BRepAdaptor_Curve curve(edge);
switch(curve.GetType()) {
case GeomAbs_Line : {
gp_Pnt P1 = curve.Value(curve.FirstParameter());
gp_Pnt P2 = curve.Value(curve.LastParameter());
gp_XYZ diff = P2.XYZ() - P1.XYZ();
length += diff.Modulus();
} break;
case GeomAbs_Circle : {
double u = curve.FirstParameter();
double v = curve.LastParameter();
double radius = curve.Circle().Radius();
if (u > v) // if arc is reversed
std::swap(u, v);
double range = v-u;
length += radius * range;
} break;
case GeomAbs_Ellipse:
case GeomAbs_BSplineCurve:
case GeomAbs_Hyperbola:
case GeomAbs_BezierCurve: {
length += GCPnts_AbscissaPoint::Length(curve);
} break;
default: {
throw Base::Exception("Measurement - length - Curve type not currently handled");
}
}
}
result = length;
//return length;
}
return result;
}
开发者ID:abdullahtahiriyo,项目名称:FreeCAD_sf_master,代码行数:67,代码来源:Measurement.cpp
示例20: makeFilletArc
Py::Object makeFilletArc(const Py::Tuple& args)
{
PyObject *pM1;
PyObject *pP;
PyObject *pQ;
PyObject *pN;
double r2;
int ccw;
if (!PyArg_ParseTuple(args.ptr(), "O!O!O!O!di",
&(Base::VectorPy::Type), &pM1,
&(Base::VectorPy::Type), &pP,
&(Base::VectorPy::Type), &pQ,
&(Base::VectorPy::Type), &pN,
&r2, &ccw))
throw Py::Exception();
Base::Vector3d M1 = Py::Vector(pM1, false).toVector();
Base::Vector3d P = Py::Vector(pP, false).toVector();
Base::Vector3d Q = Py::Vector(pQ, false).toVector();
Base::Vector3d N = Py::Vector(pN, false).toVector();
Base::Vector3d u = Q - P;
Base::Vector3d v = P - M1;
Base::Vector3d b;
if (ccw)
b = u % N;
else
b = N % u;
b.Normalize();
double uu = u * u;
double uv = u * v;
double r1 = v.Length();
// distinguish between internal and external fillets
r2 *= Base::sgn(uv);
double cc = 2.0 * r2 * (b * v - r1);
double d = uv * uv - uu * cc;
if (d < 0) {
throw Py::RuntimeError("Unable to calculate intersection points");
}
double t;
double t1 = (-uv + sqrt(d)) / uu;
double t2 = (-uv - sqrt(d)) / uu;
if (fabs(t1) < fabs(t2))
t = t1;
else
t = t2;
Base::Vector3d M2 = P + (u*t) + (b*r2);
Base::Vector3d S1 = (r2 * M1 + r1 * M2)/(r1+r2);
Base::Vector3d S2 = M2 - (b*r2);
Py::Tuple tuple(3);
tuple.setItem(0, Py::Vector(S1));
tuple.setItem(1, Py::Vector(S2));
tuple.setItem(2, Py::Vector(M2));
return tuple;
}
开发者ID:AjinkyaDahale,项目名称:FreeCAD,代码行数:63,代码来源:AppPartDesignPy.cpp
注:本文中的base::Vector3d类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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