fossil_line_query

Source: src/lib/fossil_line_query.f90

Dependencies

Contents

• tri_line_hit_oac
• psign
• seg_line_hit_oac
• bvh_line_crossings_oac
• curve_line_crossings_oac
• sort_crossings_oac
• line_crossing_before
• first_normal_sign
• line_crossing_before_2d

Variables

Name	Type	Attributes	Description
STACK	integer(kind=I4P)	parameter

Subroutines

tri_line_hit_oac

Attributes: pure

subroutine tri_line_hit_oac(tv, axis, a, b, hit, t, enter)

Arguments

Name	Type	Intent	Attributes	Description
tv	real(kind=R8P)	in
axis	integer(kind=I4P)	in
a	real(kind=R8P)	in
b	real(kind=R8P)	in
hit	logical	out
t	real(kind=R8P)	out
enter	logical	out

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psign

Attributes: pure

subroutine psign(p1, p2, q1, q2, a, b, bfirst, w, s)

Arguments

Name	Type	Intent	Attributes	Description
p1	real(kind=R8P)	in
p2	real(kind=R8P)	in
q1	real(kind=R8P)	in
q2	real(kind=R8P)	in
a	real(kind=R8P)	in
b	real(kind=R8P)	in
bfirst	logical	in
w	real(kind=R8P)	out
s	real(kind=R8P)	out

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seg_line_hit_oac

Attributes: pure

subroutine seg_line_hit_oac(pu, pv, qu, qv, axis, a, hit, t, enter)

Arguments

Name	Type	Intent	Attributes	Description
pu	real(kind=R8P)	in
pv	real(kind=R8P)	in
qu	real(kind=R8P)	in
qv	real(kind=R8P)	in
axis	integer(kind=I4P)	in
a	real(kind=R8P)	in
hit	logical	out
t	real(kind=R8P)	out
enter	logical	out

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bvh_line_crossings_oac

Attributes: pure

subroutine bvh_line_crossings_oac(node, payload, tv, axis, a, b, t0, t1, ts, ids, es, n, overflow)

Arguments

Name	Type	Intent	Attributes	Description
node	type(aabb_node_object)	in
payload	type(facet_distance_payload)	in
tv	real(kind=R8P)	in
axis	integer(kind=I4P)	in
a	real(kind=R8P)	in
b	real(kind=R8P)	in
t0	real(kind=R8P)	in
t1	real(kind=R8P)	in
ts	real(kind=R8P)	out
ids	integer(kind=I4P)	out
es	logical	out
n	integer(kind=I4P)	out
overflow	logical	out

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curve_line_crossings_oac

Attributes: pure

subroutine curve_line_crossings_oac(lo_u, lo_v, hi_u, hi_v, left, right, first, last, seg_id, next, u, v, axis, a, t0, t1, ts, ids, es, n, overflow)

Arguments

Name	Type	Intent	Attributes	Description
lo_u	real(kind=R8P)	in
lo_v	real(kind=R8P)	in
hi_u	real(kind=R8P)	in
hi_v	real(kind=R8P)	in
left	integer(kind=I4P)	in
right	integer(kind=I4P)	in
first	integer(kind=I4P)	in
last	integer(kind=I4P)	in
seg_id	integer(kind=I4P)	in
next	integer(kind=I4P)	in
u	real(kind=R8P)	in
v	real(kind=R8P)	in
axis	integer(kind=I4P)	in
a	real(kind=R8P)	in
t0	real(kind=R8P)	in
t1	real(kind=R8P)	in
ts	real(kind=R8P)	out
ids	integer(kind=I4P)	out
es	logical	out
n	integer(kind=I4P)	out
overflow	logical	out

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sort_crossings_oac

Attributes: pure

subroutine sort_crossings_oac(ts, ids, es, n)

Arguments

Name	Type	Intent	Attributes	Description
ts	real(kind=R8P)	inout
ids	integer(kind=I4P)	inout
es	logical	inout
n	integer(kind=I4P)	in

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Functions

line_crossing_before

Returns: logical

function line_crossing_before(tri, axis, a, b, c, entering) result(before)

Arguments

Name	Type	Intent	Attributes	Description
tri	real(kind=R8P)	in
axis	integer(kind=I4P)	in
a	real(kind=R8P)	in
b	real(kind=R8P)	in
c	real(kind=R8P)	in
entering	logical	in

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first_normal_sign

Returns: real(kind=R8P)

function first_normal_sign(tri) result(sg)

Arguments

Name	Type	Intent	Attributes	Description
tri	real(kind=R8P)	in

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line_crossing_before_2d

Returns: logical

function line_crossing_before_2d(pu, pv, qu, qv, axis, a, c, entering) result(before)

Arguments

Name	Type	Intent	Attributes	Description
pu	real(kind=R8P)	in
pv	real(kind=R8P)	in
qu	real(kind=R8P)	in
qv	real(kind=R8P)	in
axis	integer(kind=I4P)	in
a	real(kind=R8P)	in
c	real(kind=R8P)	in
entering	logical	in

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