예제 #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();
    }
}
예제 #2
0
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();
}
예제 #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");

            if (file.hasExtension("asc")) {
                // create new document and add Import feature
                App::Document *pcDoc = App::GetApplication().newDocument("Unnamed");
                Points::Feature *pcFeature = (Points::Feature *)pcDoc->addObject("Points::Feature", file.fileNamePure().c_str());
                Points::PointKernel pkTemp;
                pkTemp.load(EncodedName.c_str());
                pcFeature->Points.setValue( pkTemp );

            }
#ifdef HAVE_PCL_IO
            else if (file.hasExtension("ply")) {
                PlyReader reader;
                reader.read(EncodedName);

                App::Document *pcDoc = App::GetApplication().newDocument("Unnamed");
                if (reader.hasProperties()) {
                    Points::FeatureCustom *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);
                }
                else {
                    Points::Feature *pcFeature = static_cast<Points::Feature*>
                        (pcDoc->addObject("Points::Feature", file.fileNamePure().c_str()));
                    pcFeature->Points.setValue(reader.getPoints());
                    pcDoc->recomputeFeature(pcFeature);
                }
            }
#endif
            else {
                throw Py::RuntimeError("Unsupported file extension");
            }
        }
        catch (const Base::Exception& e) {
            throw Py::RuntimeError(e.what());
        }

        return Py::None();
    }