Other Methods on Time_Object

 

   GRAPE(timeobj, "merge-send")()

TIME_OBJECT * timeobj

Send "merge-send" to the timeobj's geometry to create a single object from the objects in the Chain sequence and deactivate all time_parm rulers.

This method assumes that a "merge" method exists on the class of the timeobj geometry-> object, compare for example TimeStep (7.3.3) and Geom2d (6.3.4.5) "merge".

   GRAPE(timeobj, "close-send")()

TIME_OBJECT * timeobj

Send "close-send" to the timeobj geometry-> object, if necessary (if geometry-> next_scene is not NULL) "merge-send" is called first. This method assumes that a "close-send" method exists on the class of the geometry-> object.

See the description of the Time-Object user-interface in section 8.2.1.1 for further explanations.

   GRAPE(timeobj, "universal")(method)

TIME_OBJECT * timeobj
char * method

Time_Object "universal" sends display methods to the inter instance (which is updated first by calling "get-object") and all other methods to the geometry.

See section 5.4.8 for more information about "universal" methods.

     

TIME_OBJECT * timeobj
XLIST * xlist
INSTANCE * follow[3][3]
char pop_push[3][3]

Refer to section 5.4.7.3 for an explanation of the "get-info" and "follow" methods.

"follow" adds the time_parm (top right) and geometry (right) instances to the timeobj's environment in the manager.

"get-info" adds information about the frame, the number of frames, the task and the current time of the timeobj to the info xlist.

   GRAPE(timeobj, "get-bnd-box")(xmin, xmax, ymin, ymax, zmin, zmax)

TIME_OBJECT * timeobj
double * xmin, * xmax, * ymin, * ymax, * zmin, * zmax

Compute the bounding box of the timeobj inter geometry using Scene "get-bnd-box". "get-bnd-box" exists for all triang classes, if you use you own class for the geometry you have to provide a "get-bnd-box" method.

If you send "insert-bnd-box" to a Scene instance the bounding box for the Scene's object is inserted as the Scene's next_scene.

   GRAPE(timeobj, "insert-step-send")()

TIME_OBJECT * timeobj

Insert a new frame for time * time into the timeobj's geometry, the current frame is set to this new frame.

This method uses "insert-step" on Chain and TimeStep. The new frame is computed by interpolation, if the step is inserted at the end of the geometry's TimeStep sequence the times of the other steps are rescaled so that all times are in [0, 1].

     

TIME_OBJECT * timeobj

Since accessing the timeobj's inter instance (the current time section which is for example used by "display") is difficult, these two methods are provided: "mark-object-send" marks inter and "mark-geometry-send" marks inter-> object -- this has the same effect as pressing the button in the manag menu (see section 4.3.5.3).

   GRAPE(timeobj, "reset-send")()

TIME_OBJECT * timeobj

Reset the status of the timeobj by sending "reset-send" to the geometry and by setting the status of all frames to NOT_ACTIVE.

This method is only needed for subclasses of Time_Object like Amandus which provide several geometries and allow to compute them step by step, calling "reset-send" then allows to compute already computed geometries again.

   GRAPE(timeobj, "is-time-dependent")()

TIME_OBJECT * timeobj

This method just returns the timeobj (the "is-time-dependent" method on Root returns NULL) since Time_Object's are time-dependent.

This method is used to find a time-dependent object when the current object of the manager is changed, the ruler for the local (scene) time is then bound to this object.

   GRAPE(timeobj, "syncronize")(time)

TIME_OBJECT * timeobj
double time

Same as "set-time" (see next section), used by the manager to update all time-dependent instances when the local (scene) time ruler is changed.