Re: pfClone

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Lance Marrou (marrou++at++vsl.ist.ucf.edu)
Sat, 21 May 1994 21:15:51 -0700

>Unfortunately, 1) there is no capability for passing a callback
>function to pfClone and 2) pfFind does not have the capability for
>passing it a root node indicating where to start the search. If there
>were, I could just run pfFind on the desired name, passing in the root
>of the cloned subgraph as the starting node.

I am not sure if someone as already responded to this, but here is my
solution for this problem. As a new object is cloned, the top-level
DCS (or whatever the top-level node is) is named specifically. That is,
the "clone" is attached to a specific name which is then thrown on the
scene graph. You can then use pfGetNodeName for the current clone
name and attach the names of the DCSes to this top-level. pfFindDCS does
take an argument, which is the path of the DCS. I hope this makes sense,
if not let me know. The following is an example (part of my code) which
finds the fulcrum DCS of an articulated AVLB using the top-level DCS
entity_dcs:

    // note that overhead and entity_dcs are class variables of type pfDCS

    char path[100];
    char name[100];

    strcpy(path, "/");
    if (pfGetNodeName(entity_dcs))
      {
      strcat(path, pfGetNodeName(entity_dcs));
      strcat(path, "/");
      }

    strcpy(name,path);
    overhead = pfFindDCS(strcat(name, "Fulcrum"));
    if (overhead == NULL)
      {
      fprintf(stdout,"Could not find overhead (Fulcrum) DCS.\n");
      fprintf(stdout,"\tlooking for: %s\n",name);
      fflush(stdout);
      }

_______________________________________________________
IST __ E-mail: marrou++at++vsl.ist.ucf.edu
Visual / / ______ /\____ ______ ______
Systems / / / _ / / __ // ____// ____/
Lab / /__ / /_/ / / / / // /___ / __/_ R. Marrou
________/____//____/\\/_/ /_//_____//_____/____________

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