示例#1
0
void ViewProviderStructured::cut(const std::vector<SbVec2f>& picked, Gui::View3DInventorViewer &Viewer)
{
    // create the polygon from the picked points
    Base::Polygon2D cPoly;
    for (std::vector<SbVec2f>::const_iterator it = picked.begin(); it != picked.end(); ++it) {
        cPoly.Add(Base::Vector2D((*it)[0],(*it)[1]));
    }

    // get a reference to the point feature
    Points::Feature* fea = static_cast<Points::Feature*>(pcObject);
    const Points::PointKernel& points = fea->Points.getValue();

    SoCamera* pCam = Viewer.getSoRenderManager()->getCamera();
    SbViewVolume  vol = pCam->getViewVolume();

    // search for all points inside/outside the polygon
    Points::PointKernel newKernel;
    newKernel.reserve(points.size());

    bool invalidatePoints = false;
    double nan = std::numeric_limits<double>::quiet_NaN();
    for (Points::PointKernel::const_iterator jt = points.begin(); jt != points.end(); ++jt) {
        // valid point?
        Base::Vector3d vec(*jt);
        if (!(boost::math::isnan(jt->x) || boost::math::isnan(jt->y) || boost::math::isnan(jt->z))) {
            SbVec3f pt(jt->x,jt->y,jt->z);

            // project from 3d to 2d
            vol.projectToScreen(pt, pt);
            if (cPoly.Contains(Base::Vector2D(pt[0],pt[1]))) {
                invalidatePoints = true;
                vec.Set(nan, nan, nan);
            }
        }

        newKernel.push_back(vec);
    }

    if (invalidatePoints) {
        //Remove the points from the cloud and open a transaction object for the undo/redo stuff
        Gui::Application::Instance->activeDocument()->openCommand("Cut points");

        // sets the points outside the polygon to update the Inventor node
        fea->Points.setValue(newKernel);

        // unset the modified flag because we don't need the features' execute() to be called
        Gui::Application::Instance->activeDocument()->commitCommand();
        fea->purgeTouched();
    }
}
void ViewProviderPoints::cut(const std::vector<SbVec2f>& picked, Gui::View3DInventorViewer &Viewer)
{
    // create the polygon from the picked points
    Base::Polygon2D cPoly;
    for (std::vector<SbVec2f>::const_iterator it = picked.begin(); it != picked.end(); ++it) {
        cPoly.Add(Base::Vector2D((*it)[0],(*it)[1]));
    }

    // get a reference to the point feature
    Points::Feature* fea = (Points::Feature*)pcObject;
    const Points::PointKernel& points = fea->Points.getValue();

    SoCamera* pCam = Viewer.getSoRenderManager()->getCamera();  
    SbViewVolume  vol = pCam->getViewVolume(); 

    // search for all points inside/outside the polygon
    Points::PointKernel newKernel;
    for ( Points::PointKernel::const_iterator jt = points.begin(); jt != points.end(); ++jt ) {
        SbVec3f pt(jt->x,jt->y,jt->z);

        // project from 3d to 2d
        vol.projectToScreen(pt, pt);
        if (!cPoly.Contains(Base::Vector2D(pt[0],pt[1])))
            newKernel.push_back(*jt);
    }

    if (newKernel.size() == points.size())
        return; // nothing needs to be done

    //Remove the points from the cloud and open a transaction object for the undo/redo stuff
    Gui::Application::Instance->activeDocument()->openCommand("Cut points");

    // sets the points outside the polygon to update the Inventor node
    fea->Points.setValue(newKernel);

    // unset the modified flag because we don't need the features' execute() to be called
    Gui::Application::Instance->activeDocument()->commitCommand();
    fea->purgeTouched();
}
示例#3
0
    Py::Object open(const Py::Tuple& args)
    {
        char* Name;
        if (!PyArg_ParseTuple(args.ptr(), "et","utf-8",&Name))
            throw Py::Exception();
        std::string EncodedName = std::string(Name);
        PyMem_Free(Name);

        try {
            Base::Console().Log("Open in Points with %s",EncodedName.c_str());
            Base::FileInfo file(EncodedName.c_str());

            // extract ending
            if (file.extension().empty())
                throw Py::RuntimeError("No file extension");

            std::unique_ptr<Reader> reader;
            if (file.hasExtension("asc")) {
                reader.reset(new AscReader);
            }
#ifdef HAVE_PCL_IO
            else if (file.hasExtension("ply")) {
                reader.reset(new PlyReader);
            }
            else if (file.hasExtension("pcd")) {
                reader.reset(new PcdReader);
            }
#endif
            else {
                throw Py::RuntimeError("Unsupported file extension");
            }

            reader->read(EncodedName);

            App::Document *pcDoc = App::GetApplication().newDocument("Unnamed");

            Points::Feature *pcFeature = 0;
            if (reader->hasProperties()) {
                // Scattered or structured points?
                if (reader->isStructured()) {
                    pcFeature = new Points::StructuredCustom();

                    App::PropertyInteger* width = static_cast<App::PropertyInteger*>
                        (pcFeature->getPropertyByName("Width"));
                    if (width) {
                        width->setValue(reader->getWidth());
                    }
                    App::PropertyInteger* height = static_cast<App::PropertyInteger*>
                        (pcFeature->getPropertyByName("Height"));
                    if (height) {
                        height->setValue(reader->getHeight());
                    }
                }
                else {
                    pcFeature = new Points::FeatureCustom();
                }

                pcFeature->Points.setValue(reader->getPoints());
                // add gray values
                if (reader->hasIntensities()) {
                    Points::PropertyGreyValueList* prop = static_cast<Points::PropertyGreyValueList*>
                        (pcFeature->addDynamicProperty("Points::PropertyGreyValueList", "Intensity"));
                    if (prop) {
                        prop->setValues(reader->getIntensities());
                    }
                }
                // add colors
                if (reader->hasColors()) {
                    App::PropertyColorList* prop = static_cast<App::PropertyColorList*>
                        (pcFeature->addDynamicProperty("App::PropertyColorList", "Color"));
                    if (prop) {
                        prop->setValues(reader->getColors());
                    }
                }
                // add normals
                if (reader->hasNormals()) {
                    Points::PropertyNormalList* prop = static_cast<Points::PropertyNormalList*>
                        (pcFeature->addDynamicProperty("Points::PropertyNormalList", "Normal"));
                    if (prop) {
                        prop->setValues(reader->getNormals());
                    }
                }

                // delayed adding of the points feature
                pcDoc->addObject(pcFeature, file.fileNamePure().c_str());
                pcDoc->recomputeFeature(pcFeature);
                pcFeature->purgeTouched();
            }
            else {
                if (reader->isStructured()) {
                    Structured* structured = new Points::Structured();
                    structured->Width.setValue(reader->getWidth());
                    structured->Height.setValue(reader->getHeight());
                    pcFeature = structured;
                }
                else {
                    pcFeature = new Points::Feature();
                }

                // delayed adding of the points feature
                pcFeature->Points.setValue(reader->getPoints());
                pcDoc->addObject(pcFeature, file.fileNamePure().c_str());
                pcDoc->recomputeFeature(pcFeature);
                pcFeature->purgeTouched();
            }
        }
        catch (const Base::Exception& e) {
            throw Py::RuntimeError(e.what());
        }

        return Py::None();
    }
示例#4
0
void ViewProviderScattered::cut(const std::vector<SbVec2f>& picked, Gui::View3DInventorViewer &Viewer)
{
    // create the polygon from the picked points
    Base::Polygon2D cPoly;
    for (std::vector<SbVec2f>::const_iterator it = picked.begin(); it != picked.end(); ++it) {
        cPoly.Add(Base::Vector2D((*it)[0],(*it)[1]));
    }

    // get a reference to the point feature
    Points::Feature* fea = static_cast<Points::Feature*>(pcObject);
    const Points::PointKernel& points = fea->Points.getValue();

    SoCamera* pCam = Viewer.getSoRenderManager()->getCamera();
    SbViewVolume  vol = pCam->getViewVolume();

    // search for all points inside/outside the polygon
    std::vector<unsigned long> removeIndices;
    removeIndices.reserve(points.size());

    unsigned long index = 0;
    for (Points::PointKernel::const_iterator jt = points.begin(); jt != points.end(); ++jt, ++index) {
        SbVec3f pt(jt->x,jt->y,jt->z);

        // project from 3d to 2d
        vol.projectToScreen(pt, pt);
        if (cPoly.Contains(Base::Vector2D(pt[0],pt[1])))
            removeIndices.push_back(index);
    }

    if (removeIndices.empty())
        return; // nothing needs to be done

    //Remove the points from the cloud and open a transaction object for the undo/redo stuff
    Gui::Application::Instance->activeDocument()->openCommand("Cut points");

    // sets the points outside the polygon to update the Inventor node
    fea->Points.removeIndices(removeIndices);

    std::map<std::string,App::Property*> Map;
    pcObject->getPropertyMap(Map);

    for (std::map<std::string,App::Property*>::iterator it = Map.begin(); it != Map.end(); ++it) {
        Base::Type type = it->second->getTypeId();
        if (type == Points::PropertyNormalList::getClassTypeId()) {
            static_cast<Points::PropertyNormalList*>(it->second)->removeIndices(removeIndices);
        }
        else if (type == Points::PropertyGreyValueList::getClassTypeId()) {
            static_cast<Points::PropertyGreyValueList*>(it->second)->removeIndices(removeIndices);
        }
        else if (type == App::PropertyColorList::getClassTypeId()) {
            //static_cast<App::PropertyColorList*>(it->second)->removeIndices(removeIndices);
            const std::vector<App::Color>& colors = static_cast<App::PropertyColorList*>(it->second)->getValues();

            if (removeIndices.size() > colors.size())
                break;

            std::vector<App::Color> remainValue;
            remainValue.reserve(colors.size() - removeIndices.size());

            std::vector<unsigned long>::iterator pos = removeIndices.begin();
            for (std::vector<App::Color>::const_iterator jt = colors.begin(); jt != colors.end(); ++jt) {
                unsigned long index = jt - colors.begin();
                if (pos == removeIndices.end())
                    remainValue.push_back( *jt );
                else if (index != *pos)
                    remainValue.push_back( *jt );
                else 
                    ++pos;
            }

            static_cast<App::PropertyColorList*>(it->second)->setValues(remainValue);
        }
    }

    // unset the modified flag because we don't need the features' execute() to be called
    Gui::Application::Instance->activeDocument()->commitCommand();
    fea->purgeTouched();
}