Method updateData

src/Gui/ViewProviderVRMLObject.cpp:213–280

}

void ViewProviderVRMLObject::updateData(const App::Property* prop)
{
    auto ivObj = static_cast<App::VRMLObject*>(pcObject);
    if (prop == &ivObj->VrmlFile) {
        // read also from file
        const char* filename = ivObj->VrmlFile.getValue();
        QString fn = QString::fromUtf8(filename);
        QFile file(fn);
        SoInput in;
        coinRemoveAllChildren(pcVRML);
        if (!fn.isEmpty() && file.open(QFile::ReadOnly)) {
            QFileInfo fi(fn);
            QByteArray filepath = fi.absolutePath().toUtf8();
            QByteArray subpath = filepath + "/" + ivObj->getNameInDocument();

            // Add this to the search path in order to read inline files
            SoInput::addDirectoryFirst(filepath.constData());
            SoInput::addDirectoryFirst(subpath.constData());

            // Read in the file
            QByteArray buffer = file.readAll();
            in.setBuffer((void*)buffer.constData(), buffer.length());
            SoSeparator* node = SoDB::readAll(&in);

            if (node) {
                if (!checkRecursion(node)) {
                    Base::Console().error("The VRML file causes an infinite recursion!\n");
                    return;
                }
                pcVRML->addChild(node);

                std::list<std::string> urls;
                getLocalResources(node, urls);
                if (!urls.empty() && ivObj->Urls.getSize() == 0) {
                    std::vector<std::string> res;
                    res.insert(res.end(), urls.begin(), urls.end());
                    ivObj->Urls.setValues(res);
                }
            }
            SoInput::removeDirectory(filepath.constData());
            SoInput::removeDirectory(subpath.constData());
        }
    }
    else if (
        prop->isDerivedFrom<App::PropertyPlacement>() && strcmp(prop->getName(), "Placement") == 0
    ) {
        // Note: If R is the rotation, c the rotation center and t the translation
        // vector then Inventor applies the following transformation: R*(x-c)+c+t
        // In FreeCAD a placement only has a rotation and a translation part but
        // no rotation center. This means that the following equation must be ful-
        // filled: R * (x-c) + c + t = R * x + t
        //    <==> R * x + t - R * c + c = R * x + t
        //    <==> (I-R) * c = 0 ==> c = 0
        // This means that the center point must be the origin!
        Base::Placement p = static_cast<const App::PropertyPlacement*>(prop)->getValue();
        auto q0 = (float)p.getRotation().getValue()[0];
        auto q1 = (float)p.getRotation().getValue()[1];
        auto q2 = (float)p.getRotation().getValue()[2];