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ROOT
Reference Guide |
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ROOT
Reference Guide |
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Class handling Boolean composition of shapes.
Composite shapes are Boolean combination of two or more shape components. The supported boolean operations are union (+), intersection (*) and subtraction. Composite shapes derive from the base TGeoShape class, therefore providing all shape features : computation of bounding box, finding if a given point is inside or outside the combination, as well as computing the distance to entering/exiting. It can be directly used for creating volumes or used in the definition of other composite shapes.
Composite shapes are provided in order to complement and extend the set of basic shape primitives. They have a binary tree internal structure, therefore all shape-related geometry queries are signals propagated from top level down to the final leaves, while the provided answers are assembled and interpreted back at top. This CSG hierarchy is effective for small number of components, while performance drops dramatically for large structures. Building a complete geometry in this style is virtually possible but highly not recommended.
A composite shape can always be regarded as the result of a Boolean operation between only two shape components. All information identifying these two components as well as their positions with respect to the frame of the composite is represented by an object called Boolean node. A composite shape just have a pointer to such a Boolean node. Since the shape components may also be composites, they will also contain binary Boolean nodes branching other two shapes in the hierarchy. Any such branch ends-up when the final leaves are no longer composite shapes, but basic primitives.
Suppose that A, B, C and D represent basic shapes, we will illustrate how the internal representation of few combinations look like. We do this only for the sake of understanding how to create them in a proper way, since the user interface for this purpose is in fact very simple. We will ignore for the time being the positioning of components. The definition of a composite shape takes an expression where the identifiers are shape names. The expression is parsed and decomposed in 2 sub-expressions and the top-level Boolean operator.
This represent the union of A, B and C. Both union operators are at the same level. Since:
the first (+) is taken as separator, hence the expression split:
A Boolean node of type TGeoUnion("A", "B+C") is created. This tries to replace the 2 expressions by actual pointers to corresponding shapes. The first expression (A) contains no operators therefore is interpreted as representing a shape. The shape named "A" is searched into the list of shapes handled by the manager class and stored as the "left" shape in the Boolean union node. Since the second expression is not yet fully decomposed, the "right" shape in the combination is created as a new composite shape. This will split at its turn B+C into B and C and create a TGeoUnion("B","C"). The B and C identifiers will be looked for and replaced by the pointers to the actual shapes into the new node. Finally, the composite "A+B+C" will be represented as:
where [] is a composite shape, (+) is a Boolean node of type union and A, B, C are pointers to the corresponding shapes. Building this composite shapes takes the following line :
This expression means: subtract the union of C and D from the union of A and B. The usage of parenthesis to force operator precedence is always recommended. The representation of the corresponding composite shape looks like:
Building composite shapes as in the 2 examples above is not always quite useful since we were using un-positioned shapes. When supplying just shape names as identifiers, the created boolean nodes will assume that the shapes are positioned with an identity transformation with respect to the frame of the created composite. In order to provide some positioning of the combination components, we have to attach after each shape identifier the name of an existing transformation, separated by a colon. Obviously all transformations created for this purpose have to be objects with unique names in order to be properly substituted during parsing. Let's look at the code implementing the second example :
The newly created composite looks like 2 cylinders of different radii sitting one on top of the other and having 2 rectangular holes : a longitudinal one along Z axis corresponding to C and an other one in the XY plane due to D. One should have in mind that the same shape or matrix identifier can be used many times in the same expression. For instance:
is a valid expression. Expressions that cannot be parsed or identifiers that cannot be substituted by existing objects generate error messages. Composite shapes can be subsequently used for defining volumes. Moreover, these volumes may have daughters but these have to obey overlapping/extruding rules (see TGeoVolume). Volumes created based on composite shapes cannot be divided. Visualization of such volumes is currently not implemented.
Definition at line 27 of file TGeoCompositeShape.h.
Public Member Functions | |
| TGeoCompositeShape () | |
| Default constructor. More... | |
| TGeoCompositeShape (const char *expression) | |
| Default constructor. More... | |
| TGeoCompositeShape (const char *name, const char *expression) | |
| Default constructor. More... | |
| TGeoCompositeShape (const char *name, TGeoBoolNode *node) | |
| Constructor with a Boolean node. More... | |
| virtual | ~TGeoCompositeShape () |
| destructor More... | |
| virtual Double_t | Capacity () const |
| Computes capacity of this shape [length^3] by sampling with 1% error. More... | |
| virtual void | ClearThreadData () const |
| Needed just for cleanup. More... | |
| virtual void | ComputeBBox () |
| compute bounding box of the sphere More... | |
| virtual void | ComputeNormal (const Double_t *point, const Double_t *dir, Double_t *norm) |
| Computes normal vector in POINT to the composite shape. More... | |
| virtual void | ComputeNormal_v (const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize) |
| Compute the normal for an array o points so that norm.dot.dir is positive Input: Arrays of point coordinates and directions + vector size Output: Array of normal directions. More... | |
| virtual Bool_t | Contains (const Double_t *point) const |
| Tests if point is inside the shape. More... | |
| virtual void | Contains_v (const Double_t *points, Bool_t *inside, Int_t vecsize) const |
| Check the inside status for each of the points in the array. More... | |
| virtual void | CreateThreadData (Int_t nthreads) |
| Needed just for cleanup. More... | |
| virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
| Compute closest distance from point px,py to each corner. More... | |
| virtual Double_t | DistFromInside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const |
| Compute distance from inside point to outside of this composite shape. More... | |
| virtual void | DistFromInside_v (const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const |
| Compute distance from array of input points having directions specified by dirs. Store output in dists. More... | |
| virtual Double_t | DistFromOutside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const |
| Compute distance from outside point to this composite shape. More... | |
| virtual void | DistFromOutside_v (const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const |
| Compute distance from array of input points having directions specified by dirs. Store output in dists. More... | |
| virtual TGeoVolume * | Divide (TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) |
| Divide all range of iaxis in range/step cells. More... | |
| TGeoBoolNode * | GetBoolNode () const |
| virtual void | GetBoundingCylinder (Double_t *) const |
| Fill vector param[4] with the bounding cylinder parameters. More... | |
| virtual TGeoShape * | GetMakeRuntimeShape (TGeoShape *, TGeoMatrix *) const |
| In case shape has some negative parameters, these has to be computed in order to fit the mother. More... | |
| virtual void | GetMeshNumbers (Int_t &nvert, Int_t &nsegs, Int_t &npols) const |
| Returns numbers of vertices, segments and polygons composing the shape mesh. More... | |
| virtual Int_t | GetNmeshVertices () const |
| Return number of vertices of the mesh representation. More... | |
| virtual Bool_t | GetPointsOnSegments (Int_t, Double_t *) const |
| Fills array with n random points located on the line segments of the shape mesh. More... | |
| virtual void | InspectShape () const |
| print shape parameters More... | |
| virtual Bool_t | IsComposite () const |
| virtual Bool_t | IsCylType () const |
| void | MakeNode (const char *expression) |
| Make a boolean node according to the top level boolean operation of expression. More... | |
| virtual Bool_t | PaintComposite (Option_t *option="") const |
| Paint this composite shape into the current 3D viewer Returns bool flag indicating if the caller should continue to paint child objects. More... | |
| void | RegisterYourself () |
| Register the shape and all components to TGeoManager class. More... | |
| virtual Double_t | Safety (const Double_t *point, Bool_t in=kTRUE) const |
| computes the closest distance from given point to this shape, according to option. More... | |
| virtual void | Safety_v (const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const |
| Compute safe distance from each of the points in the input array. More... | |
| virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
| Save a primitive as a C++ statement(s) on output stream "out". More... | |
| virtual void | SetDimensions (Double_t *) |
| Set dimensions based on the array of parameters param[0] - half-length in x param[1] - half-length in y param[2] - half-length in z. More... | |
| virtual void | SetPoints (Double_t *points) const |
| create points for a composite shape More... | |
| virtual void | SetPoints (Float_t *points) const |
| create points for a composite shape More... | |
| virtual void | Sizeof3D () const |
| compute size of this 3D object More... | |
 Public Member Functions inherited from TGeoBBox | |
| TGeoBBox () | |
| Default constructor. More... | |
| TGeoBBox (const char *name, Double_t dx, Double_t dy, Double_t dz, Double_t *origin=0) | |
| Constructor with shape name. More... | |
| TGeoBBox (Double_t *param) | |
| Constructor based on the array of parameters. More... | |
| TGeoBBox (Double_t dx, Double_t dy, Double_t dz, Double_t *origin=0) | |
| Constructor where half-lengths are provided. More... | |
| virtual | ~TGeoBBox () |
| Destructor. More... | |
| virtual Double_t | Capacity () const |
| Computes capacity of the shape in [length^3]. More... | |
| virtual void | ComputeBBox () |
| Compute bounding box - nothing to do in this case. More... | |
| virtual void | ComputeNormal (const Double_t *point, const Double_t *dir, Double_t *norm) |
| Computes normal to closest surface from POINT. More... | |
| virtual void | ComputeNormal_v (const Double_t *points, const Double_t *dirs, Double_t *norms, Int_t vecsize) |
| Compute the normal for an array o points so that norm.dot.dir is positive Input: Arrays of point coordinates and directions + vector size Output: Array of normal directions. More... | |
| virtual Bool_t | Contains (const Double_t *point) const |
| Test if point is inside this shape. More... | |
| virtual void | Contains_v (const Double_t *points, Bool_t *inside, Int_t vecsize) const |
| Check the inside status for each of the points in the array. More... | |
| virtual Bool_t | CouldBeCrossed (const Double_t *point, const Double_t *dir) const |
| Decides fast if the bounding box could be crossed by a vector. More... | |
| virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
| Compute closest distance from point px,py to each corner. More... | |
| virtual Double_t | DistFromInside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const |
| Compute distance from inside point to surface of the box. More... | |
| virtual void | DistFromInside_v (const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const |
| Compute distance from array of input points having directions specified by dirs. Store output in dists. More... | |
| virtual Double_t | DistFromOutside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const |
| Compute distance from outside point to surface of the box. More... | |
| virtual void | DistFromOutside_v (const Double_t *points, const Double_t *dirs, Double_t *dists, Int_t vecsize, Double_t *step) const |
| Compute distance from array of input points having directions specified by dirs. Store output in dists. More... | |
| virtual TGeoVolume * | Divide (TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step) |
| Divide this box shape belonging to volume "voldiv" into ndiv equal volumes called divname, from start position with the given step. More... | |
| virtual const char * | GetAxisName (Int_t iaxis) const |
| Returns name of axis IAXIS. More... | |
| virtual Double_t | GetAxisRange (Int_t iaxis, Double_t &xlo, Double_t &xhi) const |
| Get range of shape for a given axis. More... | |
| virtual void | GetBoundingCylinder (Double_t *param) const |
| Fill vector param[4] with the bounding cylinder parameters. More... | |
| virtual const TBuffer3D & | GetBuffer3D (Int_t reqSections, Bool_t localFrame) const |
| Fills a static 3D buffer and returns a reference. More... | |
| virtual Int_t | GetByteCount () const |
| virtual Double_t | GetDX () const |
| virtual Double_t | GetDY () const |
| virtual Double_t | GetDZ () const |
| virtual Double_t | GetFacetArea (Int_t index=0) const |
| Get area in internal units of the facet with a given index. More... | |
| virtual Int_t | GetFittingBox (const TGeoBBox *parambox, TGeoMatrix *mat, Double_t &dx, Double_t &dy, Double_t &dz) const |
| Fills real parameters of a positioned box inside this one. Returns 0 if successful. More... | |
| virtual TGeoShape * | GetMakeRuntimeShape (TGeoShape *mother, TGeoMatrix *mat) const |
| In case shape has some negative parameters, these has to be computed in order to fit the mother. More... | |
| virtual void | GetMeshNumbers (Int_t &nvert, Int_t &nsegs, Int_t &npols) const |
| Returns numbers of vertices, segments and polygons composing the shape mesh. More... | |
| virtual Int_t | GetNmeshVertices () const |
| virtual const Double_t * | GetOrigin () const |
| virtual Bool_t | GetPointsOnFacet (Int_t index, Int_t npoints, Double_t *array) const |
| Fills array with n random points located on the surface of indexed facet. More... | |
| virtual Bool_t | GetPointsOnSegments (Int_t npoints, Double_t *array) const |
| Fills array with n random points located on the line segments of the shape mesh. More... | |
| virtual void | InspectShape () const |
| Prints shape parameters. More... | |
| virtual Bool_t | IsCylType () const |
| virtual Bool_t | IsNullBox () const |
| virtual Bool_t | IsValidBox () const |
| virtual TBuffer3D * | MakeBuffer3D () const |
| Creates a TBuffer3D describing this shape. More... | |
| virtual Double_t | Safety (const Double_t *point, Bool_t in=kTRUE) const |
| Computes the closest distance from given point to this shape. More... | |
| virtual void | Safety_v (const Double_t *points, const Bool_t *inside, Double_t *safe, Int_t vecsize) const |
| Compute safe distance from each of the points in the input array. More... | |
| virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
| Save a primitive as a C++ statement(s) on output stream "out". More... | |
| void | SetBoxDimensions (Double_t dx, Double_t dy, Double_t dz, Double_t *origin=0) |
| Set parameters of the box. More... | |
| void | SetBoxPoints (Double_t *points) const |
| Fill box vertices to an array. More... | |
| virtual void | SetDimensions (Double_t *param) |
| Set dimensions based on the array of parameters param[0] - half-length in x param[1] - half-length in y param[2] - half-length in z. More... | |
| virtual void | SetPoints (Double_t *points) const |
| Fill box points. More... | |
| virtual void | SetPoints (Float_t *points) const |
| Fill box points. More... | |
| virtual void | SetSegsAndPols (TBuffer3D &buffer) const |
| Fills TBuffer3D structure for segments and polygons. More... | |
| virtual void | Sizeof3D () const |
| Public Member Functions inherited from TGeoShape | |
| TGeoShape () | |
| Default constructor. More... | |
| TGeoShape (const char *name) | |
| Default constructor. More... | |
| virtual | ~TGeoShape () |
| Destructor. More... | |
| virtual void | AfterStreamer () |
| virtual Double_t | Capacity () const =0 |
| void | CheckShape (Int_t testNo, Int_t nsamples=10000, Option_t *option="") |
| Test for shape navigation methods. More... | |
| virtual void | ClearThreadData () const |
| virtual void | ComputeBBox ()=0 |
| virtual void | ComputeNormal (const Double_t *point, const Double_t *dir, Double_t *norm)=0 |
| virtual void | ComputeNormal_v (const Double_t *, const Double_t *, Double_t *, Int_t) |
| virtual Bool_t | Contains (const Double_t *point) const =0 |
| virtual void | Contains_v (const Double_t *, Bool_t *, Int_t) const |
| virtual Bool_t | CouldBeCrossed (const Double_t *point, const Double_t *dir) const =0 |
| virtual void | CreateThreadData (Int_t) |
| virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py)=0 |
| Computes distance from point (px,py) to the object. More... | |
| virtual Double_t | DistFromInside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const =0 |
| virtual void | DistFromInside_v (const Double_t *, const Double_t *, Double_t *, Int_t, Double_t *) const |
| virtual Double_t | DistFromOutside (const Double_t *point, const Double_t *dir, Int_t iact=1, Double_t step=TGeoShape::Big(), Double_t *safe=0) const =0 |
| virtual void | DistFromOutside_v (const Double_t *, const Double_t *, Double_t *, Int_t, Double_t *) const |
| virtual TGeoVolume * | Divide (TGeoVolume *voldiv, const char *divname, Int_t iaxis, Int_t ndiv, Double_t start, Double_t step)=0 |
| virtual void | Draw (Option_t *option="") |
| Draw this shape. More... | |
| virtual void | ExecuteEvent (Int_t event, Int_t px, Int_t py) |
| Execute mouse actions on this shape. More... | |
| virtual const char * | GetAxisName (Int_t iaxis) const =0 |
| virtual Double_t | GetAxisRange (Int_t iaxis, Double_t &xlo, Double_t &xhi) const =0 |
| virtual void | GetBoundingCylinder (Double_t *param) const =0 |
| virtual const TBuffer3D & | GetBuffer3D (Int_t reqSections, Bool_t localFrame) const |
| Stub implementation to avoid forcing implementation at this stage. More... | |
| virtual Int_t | GetByteCount () const =0 |
| virtual Int_t | GetFittingBox (const TGeoBBox *parambox, TGeoMatrix *mat, Double_t &dx, Double_t &dy, Double_t &dz) const =0 |
| Int_t | GetId () const |
| virtual TGeoShape * | GetMakeRuntimeShape (TGeoShape *mother, TGeoMatrix *mat) const =0 |
| virtual void | GetMeshNumbers (Int_t &, Int_t &, Int_t &) const |
| virtual const char * | GetName () const |
| Get the shape name. More... | |
| virtual Int_t | GetNmeshVertices () const |
| const char * | GetPointerName () const |
| Provide a pointer name containing uid. More... | |
| virtual Bool_t | GetPointsOnSegments (Int_t npoints, Double_t *array) const =0 |
| virtual void | InspectShape () const =0 |
| void | InvertShapeBit (UInt_t f) |
| virtual Bool_t | IsAssembly () const |
| virtual Bool_t | IsComposite () const |
| virtual Bool_t | IsCylType () const =0 |
| virtual Bool_t | IsReflected () const |
| Bool_t | IsRunTimeShape () const |
| Bool_t | IsValid () const |
| virtual Bool_t | IsValidBox () const =0 |
| virtual Bool_t | IsVecGeom () const |
| virtual TBuffer3D * | MakeBuffer3D () const |
| virtual void | Paint (Option_t *option="") |
| Paint this shape. More... | |
| void | ResetShapeBit (UInt_t f) |
| virtual Double_t | Safety (const Double_t *point, Bool_t in=kTRUE) const =0 |
| virtual void | Safety_v (const Double_t *, const Bool_t *, Double_t *, Int_t) const |
| virtual void | SetDimensions (Double_t *param)=0 |
| void | SetId (Int_t id) |
| virtual void | SetPoints (Double_t *points) const =0 |
| virtual void | SetPoints (Float_t *points) const =0 |
| void | SetRuntime (Bool_t flag=kTRUE) |
| virtual void | SetSegsAndPols (TBuffer3D &buff) const =0 |
| void | SetShapeBit (UInt_t f) |
| void | SetShapeBit (UInt_t f, Bool_t set) |
| Equivalent of TObject::SetBit. More... | |
| Int_t | ShapeDistancetoPrimitive (Int_t numpoints, Int_t px, Int_t py) const |
| Returns distance to shape primitive mesh. More... | |
| virtual void | Sizeof3D () const =0 |
| Bool_t | TestShapeBit (UInt_t f) const |
| Int_t | TestShapeBits (UInt_t f) const |
| Public Member Functions inherited from TNamed | |
| TNamed () | |
| TNamed (const char *name, const char *title) | |
| TNamed (const TNamed &named) | |
| TNamed copy ctor. More... | |
| TNamed (const TString &name, const TString &title) | |
| virtual | ~TNamed () |
| TNamed destructor. More... | |
| virtual void | Clear (Option_t *option="") |
| Set name and title to empty strings (""). More... | |
| virtual TObject * | Clone (const char *newname="") const |
| Make a clone of an object using the Streamer facility. More... | |
| virtual Int_t | Compare (const TObject *obj) const |
| Compare two TNamed objects. More... | |
| virtual void | Copy (TObject &named) const |
| Copy this to obj. More... | |
| virtual void | FillBuffer (char *&buffer) |
| Encode TNamed into output buffer. More... | |
| virtual const char * | GetName () const |
| Returns name of object. More... | |
| virtual const char * | GetTitle () const |
| Returns title of object. More... | |
| virtual ULong_t | Hash () const |
| Return hash value for this object. More... | |
| virtual Bool_t | IsSortable () const |
| virtual void | ls (Option_t *option="") const |
| List TNamed name and title. More... | |
| TNamed & | operator= (const TNamed &rhs) |
| TNamed assignment operator. More... | |
| virtual void | Print (Option_t *option="") const |
| Print TNamed name and title. More... | |
| virtual void | SetName (const char *name) |
| Set the name of the TNamed. More... | |
| virtual void | SetNameTitle (const char *name, const char *title) |
| Set all the TNamed parameters (name and title). More... | |
| virtual void | SetTitle (const char *title="") |
| Set the title of the TNamed. More... | |
| virtual Int_t | Sizeof () const |
| Return size of the TNamed part of the TObject. More... | |
| Public Member Functions inherited from TObject | |
| TObject () | |
| TObject constructor. More... | |
| TObject (const TObject &object) | |
| TObject copy ctor. More... | |
| virtual | ~TObject () |
| TObject destructor. More... | |
| void | AbstractMethod (const char *method) const |
| Use this method to implement an "abstract" method that you don't want to leave purely abstract. More... | |
| virtual void | AppendPad (Option_t *option="") |
| Append graphics object to current pad. More... | |
| virtual void | Browse (TBrowser *b) |
| Browse object. May be overridden for another default action. More... | |
| ULong_t | CheckedHash () |
| Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object. More... | |
| virtual const char * | ClassName () const |
| Returns name of class to which the object belongs. More... | |
| virtual void | Clear (Option_t *="") |
| virtual TObject * | Clone (const char *newname="") const |
| Make a clone of an object using the Streamer facility. More... | |
| virtual Int_t | Compare (const TObject *obj) const |
| Compare abstract method. More... | |
| virtual void | Copy (TObject &object) const |
| Copy this to obj. More... | |
| virtual void | Delete (Option_t *option="") |
| Delete this object. More... | |
| virtual Int_t | DistancetoPrimitive (Int_t px, Int_t py) |
| Computes distance from point (px,py) to the object. More... | |
| virtual void | Draw (Option_t *option="") |
| Default Draw method for all objects. More... | |
| virtual void | DrawClass () const |
| Draw class inheritance tree of the class to which this object belongs. More... | |
| virtual TObject * | DrawClone (Option_t *option="") const |
Draw a clone of this object in the current selected pad for instance with: gROOT->SetSelectedPad(gPad). More... | |
| virtual void | Dump () const |
| Dump contents of object on stdout. More... | |
| virtual void | Error (const char *method, const char *msgfmt,...) const |
| Issue error message. More... | |
| virtual void | Execute (const char *method, const char *params, Int_t *error=0) |
| Execute method on this object with the given parameter string, e.g. More... | |
| virtual void | Execute (TMethod *method, TObjArray *params, Int_t *error=0) |
| Execute method on this object with parameters stored in the TObjArray. More... | |
| virtual void | ExecuteEvent (Int_t event, Int_t px, Int_t py) |
| Execute action corresponding to an event at (px,py). More... | |
| virtual void | Fatal (const char *method, const char *msgfmt,...) const |
| Issue fatal error message. More... | |
| virtual TObject * | FindObject (const char *name) const |
| Must be redefined in derived classes. More... | |
| virtual TObject * | FindObject (const TObject *obj) const |
| Must be redefined in derived classes. More... | |
| virtual Option_t * | GetDrawOption () const |
| Get option used by the graphics system to draw this object. More... | |
| virtual const char * | GetIconName () const |
| Returns mime type name of object. More... | |
| virtual const char * | GetName () const |
| Returns name of object. More... | |
| virtual char * | GetObjectInfo (Int_t px, Int_t py) const |
| Returns string containing info about the object at position (px,py). More... | |
| virtual Option_t * | GetOption () const |
| virtual const char * | GetTitle () const |
| Returns title of object. More... | |
| virtual UInt_t | GetUniqueID () const |
| Return the unique object id. More... | |
| virtual Bool_t | HandleTimer (TTimer *timer) |
| Execute action in response of a timer timing out. More... | |
| virtual ULong_t | Hash () const |
| Return hash value for this object. More... | |
| Bool_t | HasInconsistentHash () const |
| Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e. More... | |
| virtual void | Info (const char *method, const char *msgfmt,...) const |
| Issue info message. More... | |
| virtual Bool_t | InheritsFrom (const char *classname) const |
| Returns kTRUE if object inherits from class "classname". More... | |
| virtual Bool_t | InheritsFrom (const TClass *cl) const |
| Returns kTRUE if object inherits from TClass cl. More... | |
| virtual void | Inspect () const |
| Dump contents of this object in a graphics canvas. More... | |
| void | InvertBit (UInt_t f) |
| virtual Bool_t | IsEqual (const TObject *obj) const |
| Default equal comparison (objects are equal if they have the same address in memory). More... | |
| virtual Bool_t | IsFolder () const |
| Returns kTRUE in case object contains browsable objects (like containers or lists of other objects). More... | |
| R__ALWAYS_INLINE Bool_t | IsOnHeap () const |
| virtual Bool_t | IsSortable () const |
| R__ALWAYS_INLINE Bool_t | IsZombie () const |
| virtual void | ls (Option_t *option="") const |
| The ls function lists the contents of a class on stdout. More... | |
| void | MayNotUse (const char *method) const |
| Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary). More... | |
| virtual Bool_t | Notify () |
| This method must be overridden to handle object notification. More... | |
| void | Obsolete (const char *method, const char *asOfVers, const char *removedFromVers) const |
| Use this method to declare a method obsolete. More... | |
| void | operator delete (void *ptr) |
| Operator delete. More... | |
| void | operator delete[] (void *ptr) |
| Operator delete []. More... | |
| void * | operator new (size_t sz) |
| void * | operator new (size_t sz, void *vp) |
| void * | operator new[] (size_t sz) |
| void * | operator new[] (size_t sz, void *vp) |
| TObject & | operator= (const TObject &rhs) |
| TObject assignment operator. More... | |
| virtual void | Paint (Option_t *option="") |
| This method must be overridden if a class wants to paint itself. More... | |
| virtual void | Pop () |
| Pop on object drawn in a pad to the top of the display list. More... | |
| virtual void | Print (Option_t *option="") const |
| This method must be overridden when a class wants to print itself. More... | |
| virtual Int_t | Read (const char *name) |
| Read contents of object with specified name from the current directory. More... | |
| virtual void | RecursiveRemove (TObject *obj) |
| Recursively remove this object from a list. More... | |
| void | ResetBit (UInt_t f) |
| virtual void | SaveAs (const char *filename="", Option_t *option="") const |
| Save this object in the file specified by filename. More... | |
| virtual void | SavePrimitive (std::ostream &out, Option_t *option="") |
| Save a primitive as a C++ statement(s) on output stream "out". More... | |
| void | SetBit (UInt_t f) |
| void | SetBit (UInt_t f, Bool_t set) |
| Set or unset the user status bits as specified in f. More... | |
| virtual void | SetDrawOption (Option_t *option="") |
| Set drawing option for object. More... | |
| virtual void | SetUniqueID (UInt_t uid) |
| Set the unique object id. More... | |
| virtual void | SysError (const char *method, const char *msgfmt,...) const |
| Issue system error message. More... | |
| R__ALWAYS_INLINE Bool_t | TestBit (UInt_t f) const |
| Int_t | TestBits (UInt_t f) const |
| virtual void | UseCurrentStyle () |
| Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked. More... | |
| virtual void | Warning (const char *method, const char *msgfmt,...) const |
| Issue warning message. More... | |
| virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) |
| Write this object to the current directory. More... | |
| virtual Int_t | Write (const char *name=0, Int_t option=0, Int_t bufsize=0) const |
| Write this object to the current directory. More... | |
Protected Member Functions | |
| TGeoCompositeShape (const TGeoCompositeShape &gcs) | |
| TGeoCompositeShape & | operator= (const TGeoCompositeShape &gcs) |
| Protected Member Functions inherited from TGeoBBox | |
| virtual void | FillBuffer3D (TBuffer3D &buffer, Int_t reqSections, Bool_t localFrame) const |
| Fills the supplied buffer, with sections in desired frame See TBuffer3D.h for explanation of sections, frame etc. More... | |
| Protected Member Functions inherited from TGeoShape | |
| virtual void | FillBuffer3D (TBuffer3D &buffer, Int_t reqSections, Bool_t localFrame) const |
| Fill the supplied buffer, with sections in desired frame See TBuffer3D.h for explanation of sections, frame etc. More... | |
| Int_t | GetBasicColor () const |
| Get the basic color (0-7). More... | |
| void | SetOnBoundary (Bool_t) |
| void | TransformPoints (Double_t *points, UInt_t NbPoints) const |
| Tranform a set of points (LocalToMaster) More... | |
| Protected Member Functions inherited from TObject | |
| virtual void | DoError (int level, const char *location, const char *fmt, va_list va) const |
| Interface to ErrorHandler (protected). More... | |
| void | MakeZombie () |
Private Attributes | |
| TGeoBoolNode * | fNode |
Additional Inherited Members | |
| Public Types inherited from TGeoShape | |
| enum | EShapeType { kBitMask32 = 0xffffffff , kGeoNoShape = 0 , kGeoBad = BIT(0) , kGeoRSeg = BIT(1) , kGeoPhiSeg = BIT(2) , kGeoThetaSeg = BIT(3) , kGeoVisX = BIT(4) , kGeoVisY = BIT(5) , kGeoVisZ = BIT(6) , kGeoRunTimeShape = BIT(7) , kGeoInvalidShape = BIT(8) , kGeoTorus = BIT(9) , kGeoBox = BIT(10) , kGeoPara = BIT(11) , kGeoSph = BIT(12) , kGeoTube = BIT(13) , kGeoTubeSeg = BIT(14) , kGeoCone = BIT(15) , kGeoConeSeg = BIT(16) , kGeoPcon = BIT(17) , kGeoPgon = BIT(18) , kGeoArb8 = BIT(19) , kGeoEltu = BIT(20) , kGeoTrap = BIT(21) , kGeoCtub = BIT(22) , kGeoTrd1 = BIT(23) , kGeoTrd2 = BIT(24) , kGeoComb = BIT(25) , kGeoClosedShape = BIT(26) , kGeoXtru = BIT(27) , kGeoParaboloid = BIT(28) , kGeoHalfSpace = BIT(29) , kGeoHype = BIT(30) , kGeoSavePrimitive = BIT(20) } |
| Public Types inherited from TObject | |
| enum | { kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff } |
| enum | { kSingleKey = BIT(0) , kOverwrite = BIT(1) , kWriteDelete = BIT(2) } |
| enum | EDeprecatedStatusBits { kObjInCanvas = BIT(3) } |
| enum | EStatusBits { kCanDelete = BIT(0) , kMustCleanup = BIT(3) , kIsReferenced = BIT(4) , kHasUUID = BIT(5) , kCannotPick = BIT(6) , kNoContextMenu = BIT(8) , kInvalidObject = BIT(13) } |
| Static Public Member Functions inherited from TGeoBBox | |
| static Bool_t | AreOverlapping (const TGeoBBox *box1, const TGeoMatrix *mat1, const TGeoBBox *box2, const TGeoMatrix *mat2) |
| Check if 2 positioned boxes overlap. More... | |
| static Bool_t | Contains (const Double_t *point, Double_t dx, Double_t dy, Double_t dz, const Double_t *origin) |
| Static method to check if point[3] is located inside a box of having dx, dy, dz as half-lengths. More... | |
| static Double_t | DistFromInside (const Double_t *point, const Double_t *dir, Double_t dx, Double_t dy, Double_t dz, const Double_t *origin, Double_t stepmax=TGeoShape::Big()) |
| Compute distance from inside point to surface of the box. More... | |
| static Double_t | DistFromOutside (const Double_t *point, const Double_t *dir, Double_t dx, Double_t dy, Double_t dz, const Double_t *origin, Double_t stepmax=TGeoShape::Big()) |
| Compute distance from outside point to surface of the box. More... | |
| Static Public Member Functions inherited from TGeoShape | |
| static Double_t | Big () |
| static Double_t | ComputeEpsMch () |
| Compute machine round-off double precision error as the smallest number that if added to 1.0 is different than 1.0. More... | |
| static Double_t | DistToPhiMin (const Double_t *point, const Double_t *dir, Double_t s1, Double_t c1, Double_t s2, Double_t c2, Double_t sm, Double_t cm, Bool_t in=kTRUE) |
| compute distance from point (inside phi) to both phi planes. Return minimum. More... | |
| static Double_t | EpsMch () |
| static function returning the machine round-off error More... | |
| static TGeoMatrix * | GetTransform () |
| Returns current transformation matrix that applies to shape. More... | |
| static Bool_t | IsCloseToPhi (Double_t epsil, const Double_t *point, Double_t c1, Double_t s1, Double_t c2, Double_t s2) |
| True if point is closer than epsil to one of the phi planes defined by c1,s1 or c2,s2. More... | |
| static Bool_t | IsCrossingSemiplane (const Double_t *point, const Double_t *dir, Double_t cphi, Double_t sphi, Double_t &snext, Double_t &rxy) |
| Compute distance from POINT to semiplane defined by PHI angle along DIR. More... | |
| static Bool_t | IsInPhiRange (const Double_t *point, Double_t phi1, Double_t phi2) |
| Static method to check if a point is in the phi range (phi1, phi2) [degrees]. More... | |
| static Bool_t | IsSameWithinTolerance (Double_t a, Double_t b) |
| Check if two numbers differ with less than a tolerance. More... | |
| static Bool_t | IsSegCrossing (Double_t x1, Double_t y1, Double_t x2, Double_t y2, Double_t x3, Double_t y3, Double_t x4, Double_t y4) |
| Check if segments (A,B) and (C,D) are crossing, where: A(x1,y1), B(x2,y2), C(x3,y3), D(x4,y4) More... | |
| static void | NormalPhi (const Double_t *point, const Double_t *dir, Double_t *norm, Double_t c1, Double_t s1, Double_t c2, Double_t s2) |
| Static method to compute normal to phi planes. More... | |
| static Double_t | SafetyPhi (const Double_t *point, Bool_t in, Double_t phi1, Double_t phi2) |
| Static method to compute safety w.r.t a phi corner defined by cosines/sines of the angles phi1, phi2. More... | |
| static Double_t | SafetySeg (Double_t r, Double_t z, Double_t r1, Double_t z1, Double_t r2, Double_t z2, Bool_t outer) |
| Compute distance from point of coordinates (r,z) to segment (r1,z1):(r2,z2) More... | |
| static void | SetTransform (TGeoMatrix *matrix) |
| Set current transformation matrix that applies to shape. More... | |
| static Double_t | Tolerance () |
| Static Public Member Functions inherited from TObject | |
| static Long_t | GetDtorOnly () |
| Return destructor only flag. More... | |
| static Bool_t | GetObjectStat () |
| Get status of object stat flag. More... | |
| static void | SetDtorOnly (void *obj) |
| Set destructor only flag. More... | |
| static void | SetObjectStat (Bool_t stat) |
| Turn on/off tracking of objects in the TObjectTable. More... | |
| Protected Types inherited from TObject | |
| enum | { kOnlyPrepStep = BIT(3) } |
| Protected Attributes inherited from TGeoBBox | |
| Double_t | fDX |
| Double_t | fDY |
| Double_t | fDZ |
| Double_t | fOrigin [3] |
| Protected Attributes inherited from TGeoShape | |
| UInt_t | fShapeBits |
| Int_t | fShapeId |
| Protected Attributes inherited from TNamed | |
| TString | fName |
| TString | fTitle |
#include <TGeoCompositeShape.h>
|
inlineprotected |
Definition at line 34 of file TGeoCompositeShape.h.
| TGeoCompositeShape::TGeoCompositeShape | ( | ) |
Default constructor.
Definition at line 201 of file TGeoCompositeShape.cxx.
| TGeoCompositeShape::TGeoCompositeShape | ( | const char * | name, |
| const char * | expression | ||
| ) |
Default constructor.
Definition at line 211 of file TGeoCompositeShape.cxx.
| TGeoCompositeShape::TGeoCompositeShape | ( | const char * | expression | ) |
Default constructor.
Definition at line 228 of file TGeoCompositeShape.cxx.
| TGeoCompositeShape::TGeoCompositeShape | ( | const char * | name, |
| TGeoBoolNode * | node | ||
| ) |
Constructor with a Boolean node.
Definition at line 245 of file TGeoCompositeShape.cxx.
|
virtual |
destructor
Definition at line 260 of file TGeoCompositeShape.cxx.
|
virtual |
Computes capacity of this shape [length^3] by sampling with 1% error.
Reimplemented from TGeoBBox.
Definition at line 268 of file TGeoCompositeShape.cxx.
|
virtual |
Needed just for cleanup.
Reimplemented from TGeoShape.
Definition at line 185 of file TGeoCompositeShape.cxx.
|
virtual |
compute bounding box of the sphere
Reimplemented from TGeoBBox.
Definition at line 289 of file TGeoCompositeShape.cxx.
|
virtual |
Computes normal vector in POINT to the composite shape.
Reimplemented from TGeoBBox.
Definition at line 297 of file TGeoCompositeShape.cxx.
|
virtual |
Compute the normal for an array o points so that norm.dot.dir is positive Input: Arrays of point coordinates and directions + vector size Output: Array of normal directions.
Reimplemented from TGeoBBox.
Definition at line 565 of file TGeoCompositeShape.cxx.
Tests if point is inside the shape.
Reimplemented from TGeoBBox.
Definition at line 305 of file TGeoCompositeShape.cxx.
|
virtual |
Check the inside status for each of the points in the array.
Input: Array of point coordinates + vector size Output: Array of Booleans for the inside of each point
Reimplemented from TGeoBBox.
Definition at line 555 of file TGeoCompositeShape.cxx.
Needed just for cleanup.
Reimplemented from TGeoShape.
Definition at line 193 of file TGeoCompositeShape.cxx.
Compute closest distance from point px,py to each corner.
Reimplemented from TGeoBBox.
Definition at line 314 of file TGeoCompositeShape.cxx.
|
virtual |
Compute distance from inside point to outside of this composite shape.
Reimplemented from TGeoBBox.
Definition at line 336 of file TGeoCompositeShape.cxx.
|
virtual |
Compute distance from array of input points having directions specified by dirs. Store output in dists.
Reimplemented from TGeoBBox.
Definition at line 573 of file TGeoCompositeShape.cxx.
|
virtual |
Compute distance from outside point to this composite shape.
Check if the bounding box is crossed within the requested distance
Reimplemented from TGeoBBox.
Definition at line 324 of file TGeoCompositeShape.cxx.
|
virtual |
Compute distance from array of input points having directions specified by dirs. Store output in dists.
Reimplemented from TGeoBBox.
Definition at line 581 of file TGeoCompositeShape.cxx.
|
virtual |
Divide all range of iaxis in range/step cells.
Reimplemented from TGeoBBox.
Definition at line 346 of file TGeoCompositeShape.cxx.
|
inline |
Definition at line 65 of file TGeoCompositeShape.h.
Fill vector param[4] with the bounding cylinder parameters.
The order is the following : Rmin, Rmax, Phi1, Phi2
Reimplemented from TGeoBBox.
Definition at line 66 of file TGeoCompositeShape.h.
|
inlinevirtual |
In case shape has some negative parameters, these has to be computed in order to fit the mother.
Reimplemented from TGeoBBox.
Definition at line 67 of file TGeoCompositeShape.h.
|
virtual |
Returns numbers of vertices, segments and polygons composing the shape mesh.
Reimplemented from TGeoBBox.
Definition at line 356 of file TGeoCompositeShape.cxx.
|
virtual |
Return number of vertices of the mesh representation.
Reimplemented from TGeoBBox.
Definition at line 544 of file TGeoCompositeShape.cxx.
|
inlinevirtual |
Fills array with n random points located on the line segments of the shape mesh.
The output array must be provided with a length of minimum 3*npoints. Returns true if operation is implemented.
Reimplemented from TGeoBBox.
Definition at line 70 of file TGeoCompositeShape.h.
|
virtual |
print shape parameters
Reimplemented from TGeoBBox.
Definition at line 366 of file TGeoCompositeShape.cxx.
|
inlinevirtual |
Reimplemented from TGeoShape.
Definition at line 72 of file TGeoCompositeShape.h.
|
inlinevirtual |
Reimplemented from TGeoBBox.
Definition at line 73 of file TGeoCompositeShape.h.
| void TGeoCompositeShape::MakeNode | ( | const char * | expression | ) |
Make a boolean node according to the top level boolean operation of expression.
Propagates signal to branches until expression is fully decomposed. printf("Making node for : %s\n", expression);
Definition at line 378 of file TGeoCompositeShape.cxx.
|
inlineprotected |
Definition at line 36 of file TGeoCompositeShape.h.
Paint this composite shape into the current 3D viewer Returns bool flag indicating if the caller should continue to paint child objects.
Definition at line 413 of file TGeoCompositeShape.cxx.
| void TGeoCompositeShape::RegisterYourself | ( | ) |
Register the shape and all components to TGeoManager class.
Definition at line 455 of file TGeoCompositeShape.cxx.
computes the closest distance from given point to this shape, according to option.
The matching point on the shape is stored in spoint.
Reimplemented from TGeoBBox.
Definition at line 498 of file TGeoCompositeShape.cxx.
|
virtual |
Compute safe distance from each of the points in the input array.
Input: Array of point coordinates, array of statuses for these points, size of the arrays Output: Safety values
Reimplemented from TGeoBBox.
Definition at line 591 of file TGeoCompositeShape.cxx.
Save a primitive as a C++ statement(s) on output stream "out".
Reimplemented from TGeoBBox.
Definition at line 507 of file TGeoCompositeShape.cxx.
Set dimensions based on the array of parameters param[0] - half-length in x param[1] - half-length in y param[2] - half-length in z.
Reimplemented from TGeoBBox.
Definition at line 80 of file TGeoCompositeShape.h.
create points for a composite shape
Reimplemented from TGeoBBox.
Definition at line 520 of file TGeoCompositeShape.cxx.
create points for a composite shape
Reimplemented from TGeoBBox.
Definition at line 528 of file TGeoCompositeShape.cxx.
|
virtual |
compute size of this 3D object
Reimplemented from TGeoBBox.
Definition at line 536 of file TGeoCompositeShape.cxx.
|
private |
Definition at line 31 of file TGeoCompositeShape.h.
