partition Struct Reference
[librt geometry, raytracing]

#include <raytrace.h>

Collaboration diagram for partition:

[legend]

Data Fields
long	pt_magic
	sanity check
partition *	pt_forw
	forwards link
partition *	pt_back
	backwards link
seg *	pt_inseg
	IN seg ptr (gives stp).
hit *	pt_inhit
	IN hit pointer.
seg *	pt_outseg
	OUT seg pointer.
hit *	pt_outhit
	OUT hit ptr.
region *	pt_regionp
	ptr to containing region
char	pt_inflip
	flip inhit->hit_normal
char	pt_outflip
	flip outhit->hit_normal
region **	pt_overlap_reg
	NULL-terminated array of overlapping regions. NULL if no overlap.
bu_ptbl	pt_seglist
	all segs in this partition

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Detailed Description

P A R T I T I O N

Partitions of a ray. Passed from rt_shootray() into user's a_hit() function.

Not changed to a bu_list for backwards compatability, but you can iterate the whole list by writing: for( BU_LIST_FOR( pp, partition, (struct bu_list *)PartHeadp ) )

Definition at line 616 of file raytrace.h.

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Field Documentation

long pt_magic

sanity check Definition at line 618 of file raytrace.h. Referenced by rt_fastgen_plate_vol_overlap(), rt_partition_len(), rt_shootray(), and rt_shootray_bundle().

struct partition* pt_forw

forwards link Definition at line 619 of file raytrace.h. Referenced by fr_hit(), fr_miss(), rt_boolfinal(), rt_boolweave(), rt_partition_len(), rt_pr_partitions(), rt_rebuild_overlaps(), rt_shootray(), rt_shootray_bundle(), and rt_weave0seg().

struct partition* pt_back

backwards link Definition at line 620 of file raytrace.h. Referenced by fr_hit(), fr_miss(), rt_boolweave(), rt_fastgen_plate_vol_overlap(), rt_shootray(), and rt_shootray_bundle().

struct seg* pt_inseg

IN seg ptr (gives stp). Definition at line 621 of file raytrace.h. Referenced by rt_boolweave(), rt_submodel_a_hit(), and rt_weave0seg().

struct hit* pt_inhit

IN hit pointer. Definition at line 622 of file raytrace.h. Referenced by rt_boolfinal(), rt_boolweave(), rt_fastgen_plate_vol_overlap(), rt_fastgen_vol_vol_overlap(), and rt_weave0seg().

struct seg* pt_outseg

OUT seg pointer. Definition at line 623 of file raytrace.h. Referenced by rt_boolweave(), rt_rebuild_overlaps(), rt_submodel_a_hit(), and rt_weave0seg().

struct hit* pt_outhit

OUT hit ptr. Definition at line 624 of file raytrace.h. Referenced by rt_boolweave(), rt_fastgen_plate_vol_overlap(), rt_fastgen_vol_vol_overlap(), rt_rebuild_overlaps(), and rt_weave0seg().

struct region* pt_regionp

ptr to containing region Definition at line 625 of file raytrace.h. Referenced by rt_boolfinal(), rt_fastgen_plate_vol_overlap(), and rt_rebuild_overlaps().

char pt_inflip

flip inhit->hit_normal Definition at line 626 of file raytrace.h. Referenced by rt_boolweave().

char pt_outflip

flip outhit->hit_normal Definition at line 627 of file raytrace.h. Referenced by rt_boolweave(), and rt_rebuild_overlaps().

struct region** pt_overlap_reg

NULL-terminated array of overlapping regions. NULL if no overlap. Definition at line 628 of file raytrace.h. Referenced by rt_rebuild_overlaps().

struct bu_ptbl pt_seglist

all segs in this partition Definition at line 629 of file raytrace.h. Referenced by rt_booleval(), rt_boolweave(), rt_get_region_seglist_for_partition(), rt_pr_tree_val(), rt_rebuild_overlaps(), and rt_weave0seg().

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The documentation for this struct was generated from the following file:

• include/raytrace.h

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