Re: Cloning vs Copying

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Lance R. Marrou (marrou++at++vsl.ist.ucf.edu)
Sat, 11 Mar 1995 16:23:42 -0500 (EST)

On Sat, 11 Mar 1995, Robert D. King wrote:

> a. discuss the advantages and disadvantages of using pfClone and pfCopy.

pfClone() does not duplicate the geometry (usually the big memory hog). Unless
you are actually modifying the geometry dynamically, use pfClone().

>
> b. provide a code example, if convenient, which clones or copies
> object(s) loaded via one of the file formats listed.

pfGroup *node;
pfDCS *clone;

// load the file(s)
node = (pfGroup *)LoadFile(filename,NULL);

...
// clone one of them and put in a DCS (or you can use SCS or pfFlatten())
clone = pfNewDCS();
pfAddChild(clone,pfClone(node,0));

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