| ACG::QtPrincipalAxisDialog (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | friend |
| ACG_CLASSNAME(PrincipalAxisNode) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| Active enum value | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| add(const PrincipalComponent &_pc, bool _enable=true) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| ALLPASSES enum value (defined in ACG::SceneGraph::ACG::SceneGraph::BaseNode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| applyRenderObjectSettings(DrawModes::DrawModePrimitive _primitive, RenderObject *_obj) const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| auto_range_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| auto_update_range() (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| availableDrawModes() const override | ACG::SceneGraph::PrincipalAxisNode | virtual |
| axes_colors (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| axisScaled(const PrincipalComponent &_pc, int _axis) const | ACG::SceneGraph::PrincipalAxisNode | |
| axisTransform(const PrincipalComponent &_pc, int _axis, double *_outSize=0) const | ACG::SceneGraph::PrincipalAxisNode | |
| BaseNode(BaseNode *_parent=0, std::string _name="<unknown>") | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| BaseNode(BaseNode *_parent, BaseNode *_child, std::string _name="<unknown>") | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| bbMax_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| bbMin_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| boundingBox(Vec3d &_bbMin, Vec3d &_bbMax) override | ACG::SceneGraph::PrincipalAxisNode | virtual |
| ChildIter typedef | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| childrenBegin() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| childrenBegin() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| childrenEnd() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| childrenEnd() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| ChildrenFirst enum value | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| childrenRBegin() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| childrenRBegin() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| childrenREnd() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| childrenREnd() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| ChildRIter typedef | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| className() const =0 | ACG::SceneGraph::ACG::SceneGraph::BaseNode | pure virtual |
| clear() (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | inline |
| CM_Axis enum value (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| CM_Sign enum value (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| color_mode_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| ColorMode enum name (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| cone_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| cone_height_factor_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| ConstChildIter typedef | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| ConstChildRIter typedef | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| createVBO() | ACG::SceneGraph::PrincipalAxisNode | private |
| cylinder_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| cylinder_radius_scale_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| cylinderDeclInstanced_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| default_radius_ | ACG::SceneGraph::PrincipalAxisNode | private |
| delete_subtree() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| diagonalize(const double(&A)[3][3], double(&Q)[3][3], double(&D)[3][3]) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| disable(size_t _i) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| disable_all() (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| draw(GLState &_state, const DrawModes::DrawMode &_drawMode) override | ACG::SceneGraph::PrincipalAxisNode | |
| ACG::SceneGraph::ACG::SceneGraph::BaseNode::draw(GLState &, const DrawModes::DrawMode &) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inlinevirtual |
| draw_arrow(const Vec3d &_axis, double _r) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| draw_line(const Vec3d &_axis, double _w) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| draw_pc_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| draw_principal_component(const PrincipalComponent &_pc) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| draw_style_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| drawMode() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| drawMode(DrawModes::DrawMode _drawMode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| DrawStyle enum name (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| DS_2D enum value (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| DS_3D enum value (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| emitIndividualRenderobjects(IRenderer *_renderer, GLState &_state, const DrawModes::DrawMode &_drawMode, const ACG::SceneGraph::Material *_mat) | ACG::SceneGraph::PrincipalAxisNode | |
| enable(size_t _i) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| enablePicking(bool _enable) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| enter(GLState &, const DrawModes::DrawMode &) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inlinevirtual |
| enter(IRenderer *, GLState &_state, const DrawModes::DrawMode &_drawMode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inlinevirtual |
| enterPick(GLState &_state, PickTarget _target, const DrawModes::DrawMode &_drawMode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | virtual |
| find(BaseNode *_node) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| find(const std::string &_name) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| get(size_t _i, PrincipalComponent &_pc) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| get_axes_colors(Vec4f out_colors[3]) const (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| get_max_draw_radius() const (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | inline |
| get_min_draw_radius() const (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | inline |
| get_min_spacing() const (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | inline |
| getRenderObjectModifier() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| getRenderObjects(IRenderer *_renderer, GLState &_state, const DrawModes::DrawMode &_drawMode, const ACG::SceneGraph::Material *_mat) override | ACG::SceneGraph::PrincipalAxisNode | |
| ACG::SceneGraph::ACG::SceneGraph::BaseNode::getRenderObjects(IRenderer *_renderer, GLState &_state, const DrawModes::DrawMode &_drawMode, const Material *_mat) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inlinevirtual |
| getRenderObjectUniformPool() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| hidden() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| hide() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| HideChildren enum value | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| HideNode enum value | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| HideSubtree enum value | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| id() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| invalidateInstanceData_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| is_default_radius() const | ACG::SceneGraph::PrincipalAxisNode | inline |
| isDirty() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| leave(GLState &, const DrawModes::DrawMode &) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inlinevirtual |
| leave(IRenderer *, GLState &_state, const DrawModes::DrawMode &_drawMode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inlinevirtual |
| leavePick(GLState &_state, PickTarget _target, const DrawModes::DrawMode &_drawMode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | virtual |
| lineBuffer_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| lineDecl_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| lineDeclInstanced_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| lineInstanceBuffer_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| max_abs_value_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| max_draw_radius_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| min_abs_value_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| min_draw_radius_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| min_spacing_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| mouseEvent(GLState &, QMouseEvent *) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inlinevirtual |
| MultipassBitMask typedef | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| multipassNode() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| multipassNodeActive(const unsigned int _i) const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| multipassNodeSetActive(const unsigned int _i, bool _active) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| multipassStatus() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| multipassStatusActive(const unsigned int _i) const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| multipassStatusSetActive(const unsigned int _i, bool _active) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| name() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| name(const std::string &_name) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| nChildren() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| NodeFirst enum value | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| nodeName_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| NOPASS enum value (defined in ACG::SceneGraph::ACG::SceneGraph::BaseNode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| parent() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| parent() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| PASS_1 enum value (defined in ACG::SceneGraph::ACG::SceneGraph::BaseNode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| PASS_2 enum value (defined in ACG::SceneGraph::ACG::SceneGraph::BaseNode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| PASS_3 enum value (defined in ACG::SceneGraph::ACG::SceneGraph::BaseNode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| PASS_4 enum value (defined in ACG::SceneGraph::ACG::SceneGraph::BaseNode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| PASS_5 enum value (defined in ACG::SceneGraph::ACG::SceneGraph::BaseNode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| PASS_6 enum value (defined in ACG::SceneGraph::ACG::SceneGraph::BaseNode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| PASS_7 enum value (defined in ACG::SceneGraph::ACG::SceneGraph::BaseNode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| PASS_8 enum value (defined in ACG::SceneGraph::ACG::SceneGraph::BaseNode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| PASSES enum name | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| pc_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| pick(GLState &_state, PickTarget _target) override | ACG::SceneGraph::PrincipalAxisNode | |
| ACG::SceneGraph::ACG::SceneGraph::BaseNode::pick(GLState &, PickTarget) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inlinevirtual |
| pickingEnabled() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| PrincipalAxisNode(BaseNode *_parent=0, const std::string &_name="<PrincipalAxis>") | ACG::SceneGraph::PrincipalAxisNode | |
| PrincipalComponentT typedef (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| push_back(BaseNode *_node) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| remove(ChildIter _pos) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| resize(size_t _n) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| SecondPass enum value | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| set(size_t _i, const PrincipalComponent &_pc) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| set_auto_range(bool _b) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| set_axes_colors(const Vec4f colors[3]) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| set_color_mode(ColorMode _cm) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| set_cylinder_radius_scale(double _s) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | inline |
| set_draw_quality(double _q) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | inline |
| set_draw_style(DrawStyle _ds) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | inline |
| set_matrix(unsigned int _i, const Vec3d _p, const MatrixT &_m) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| set_max_abs_value(double _v) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| set_max_draw_radius(double _v) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| set_min_abs_value(double _v) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| set_min_draw_radius(double _v) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| set_parent(BaseNode *_parent) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| set_status(StatusMode _s) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| set_vector(unsigned int _i, const Vec3d _p, const VectorT &_v) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| setDirty(bool _dirty=true) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| setMultipassNode(const MultipassBitMask _passNode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| setMultipassStatus(const MultipassBitMask _passStatus) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| setRenderObjectModifier(RenderObjectModifier *_modifier) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| setRenderObjectShaders(const std::string &_vertexShaderFile, const std::string &_geometryShaderFile, const std::string &_fragmentShaderFile, bool _relativePaths=true, DrawModes::DrawModePrimitive _primitiveType=DrawModes::PRIMITIVE_POLYGON) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| setRenderObjectShaders(const std::string &_vertexShaderFile, const std::string &_tessControlShaderFile, const std::string &_tessEvalShaderFile, const std::string &_geometryShaderFile, const std::string &_fragmentShaderFile, bool _relativePaths=true, DrawModes::DrawModePrimitive _primitiveType=DrawModes::PRIMITIVE_POLYGON) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| setRenderObjectTexture(int _samplerSlot, GLuint _texId, GLenum _texType=GL_TEXTURE_2D) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| setRenderObjectUniformPool(const GLSL::UniformPool *_pool) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| setTraverseMode(unsigned int _mode) | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| show() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| show_options_dialog() (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| show_tensor_component(unsigned int _i, unsigned char _show) (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| show_tensor_component_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| size() (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | inline |
| slices_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| status() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| StatusMode enum name | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| supportsInstancing_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| traverseMode() const | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| TraverseMode enum name | ACG::SceneGraph::ACG::SceneGraph::BaseNode | |
| update_bounding_box() (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | |
| updateVBO() (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | inline |
| updateVBO_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| vbo_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| vertexDecl_ (defined in ACG::SceneGraph::PrincipalAxisNode) | ACG::SceneGraph::PrincipalAxisNode | private |
| visible() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | inline |
| ~BaseNode() | ACG::SceneGraph::ACG::SceneGraph::BaseNode | virtual |
| ~PrincipalAxisNode() | ACG::SceneGraph::PrincipalAxisNode | virtual |