IntrSrfRayPreprocessSrf
Section: C Library Functions (3)
Updated: IRIT Version 6.0
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NAME
IntrSrfRayPreprocessSrf()
SYNOPSIS
user_lib/srfray.c:59
VoidPtr IntrSrfRayPreprocessSrf(CagdSrfStruct *Srf, int FineNess)
DESCRIPTION
Preprocess a surface for fast computation of ray-surface intersection.
Returns NULL if fails, otherwise a pointer to preprocessed data structure.
The preprocessed data is in fact a hierarchy of bounding boxes extracted
while the surface is being polygonized.
PARAMETERS:
Srf: To preprocess.
FineNess: Control on accuracy, the higher the finer.
The surface will be subdivided into approximately FineNess
regions in each of the two parametric directions.
FUNCTION RETURN VALUE
VoidPtr: A handle on the preprocessed data, NULL otherwise.
ORIGIN
(C) Copyright 1989/90-95 Gershon Elber, Technion, IIT
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- PARAMETERS:
-
- FUNCTION RETURN VALUE
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- ORIGIN
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