irit.ctlpt( irit.E3, 3.3, 1.5, 2 ), \
irit.ctlpt( irit.E3, 3, 2.1, 0 ) ), irit.list( \
irit.ctlpt( irit.E3, 4.1, 0, 1 ), \
irit.ctlpt( irit.E3, 4.3, 1, 0 ), \
irit.ctlpt( irit.E3, 4, 2, 1 ) ) )
cb = irit.cbezier(cbzr) * irit.scale((0.7, 1.4, 1))
irit.color(cb, irit.RED)
sb = irit.sbezier(sbzr)
irit.color(sb, irit.RED)
irit.save(
"bezier1",
irit.list(irit.fforder(cb), irit.ffmsize(cb), irit.ffctlpts(cb),
irit.fforder(sb), irit.ffmsize(sb), irit.ffctlpts(sb)))
if (display == 1):
irit.interact(irit.list(irit.GetAxes(), cb, sb))
irit.viewstate("dsrfmesh", 1)
irit.pause()
irit.viewstate("dsrfmesh", 0)
irit.pause()
#
# Curve refinement (note the returned curve is a bspline curve).
#
cb_ref = irit.crefine(cb, 0, irit.list(0.25, 0.5, 0.75))
irit.color(cb_ref, irit.YELLOW)
if (display == 1):
dlevel = irit.iritstate("dumplevel", dlevel)
irit.free(dlevel)
tv1t = tv1 * irit.rotx(50) * irit.trans((1.5, (-1.5), 2))
irit.color(tv1t, irit.RED)
tv2t = tv2 * irit.sc(0.75) * irit.trans(((-1.5), 1.5, (-2)))
irit.color(tv2t, irit.GREEN)
irit.interact(irit.list(tv1, tv1t))
irit.interact(irit.list(tv2, tv2t))
irit.save( "trivar2a", irit.list( irit.list( tv1, tv1t ), \
irit.list( tv2, tv2t ) * irit.tx( 3 ), \
irit.list( irit.fforder( tv1 ), irit.ffctlpts( tv1 ), irit.ffmsize( tv1 ), \
irit.pdomain( tv1 ), irit.fforder( tv2 ), irit.ffmsize( tv2 ), \
irit.ffkntvec( tv2 ), irit.ffctlpts( tv2 ), irit.pdomain( tv2t ) ), \
irit.list( irit.tvolume( tv1, 1 ), irit.tvolume( tv1t, 1 ), \
irit.tvolume( tv2, 1 ), irit.tvolume( tv2t, 1 ) ) ) )
irit.free(tv1t)
irit.free(tv2t)
#
# Point inclusion
#
irit.tpinclude(tv2, (0, 0, 0), 20) # Prep. aux data.
pts = irit.nil()
irit.color(polylns, irit.MAGENTA)
irit.interact(irit.list(b, polylns))
irit.free(polylns)
be2 = irit.coerce(b, irit.E2)
irit.color(b, irit.RED)
p = irit.tseval(b, 1 / 3.0, 1 / 3.0, 1 / 3.0)
n = irit.tsnormal(b, 1 / 3.0, 1 / 3.0, 1 / 3.0)
nrml = (irit.coerce(p, irit.E3) +
irit.coerce(irit.coerce(p, irit.POINT_TYPE) + n, irit.E3))
irit.save(
"trisrf1",
irit.list(b, be2, p, n, nrml, irit.fforder(b), irit.ffmsize(b),
irit.ffctlpts(b), irit.pdomain(b), irit.tseval(b, 0, 0, 1),
irit.tseval(b, 0, 1, 0), irit.tseval(b, 1, 0, 0),
irit.tseval(b, 1 / 3.0, 1 / 3.0, 1 / 3.0),
irit.tsnormal(b, 1 / 3.0, 1 / 3.0, 1 / 3.0)))
irit.interact(irit.list(b, be2, nrml, p))
irit.free(b)
irit.free(be2)
c = irit.tsbezier( 4, irit.list( irit.ctlpt( irit.E3, 0, (-0.3 ), 0 ), \
irit.ctlpt( irit.E3, 0.2, (-0.5 ), (-0.2 ) ), \
irit.ctlpt( irit.E3, 0.6, (-0.3 ), 0.2 ), \
irit.ctlpt( irit.E3, 0.9, (-0.4 ), 0.1 ), \
def printctlmesh( ff ):
mesh = irit.ffctlpts( ff )
dims = irit.ffmsize( ff )
irit.printf( " [\n", irit.nil( ) )
printctlmeshaux( mesh, 0, dims )
irit.printf( " ]\n", irit.nil( ) )
irit.ctlpt( irit.E3, 4.3, 1, 0 ), \
irit.ctlpt( irit.E3, 4, 2, 1 ) ) )
cb = irit.cbspline(3, cbsp, irit.list(0, 0, 0, 1, 1, 1)) * irit.scale(
(0.7, 1.4, 1))
irit.free(cbsp)
irit.color(cb, irit.RED)
sb = irit.sbspline( 3, 3, sbsp, irit.list( irit.list( 1, 1, 1, 2, 2, 2 ),\
irit.list( 3, 3, 3, 4, 5, 6,\
6, 6 ) ) )
irit.color(sb, irit.RED)
irit.save(
"bspline1",
irit.list(irit.fforder(cb), irit.ffmsize(cb), irit.ffkntvec(cb),
irit.ffctlpts(cb), irit.fforder(sb), irit.ffmsize(sb),
irit.ffkntvec(sb), irit.ffctlpts(sb)))
if (display == 1):
irit.interact(irit.list(irit.GetAxes(), cb, sb))
irit.viewstate("dsrfmesh", 1)
irit.pause()
irit.viewstate("dsrfmesh", 0)
irit.pause()
#
# Float end condition conversion to open end condition using subdivision.
#
sbsp = irit.list( irit.list( irit.ctlpt( irit.E3, 0.1, 0, 1 ), \
irit.ctlpt( irit.E3, 0.3, 1, 0 ), \
irit.ctlpt( irit.E3, 0, 2, 1 ) ), irit.list( \