def run():
n = 12
h = 5.
A = simple.sector(1., 360., 1, n, diag='u')
B = simple.cylinder(2., h, n, 4, diag='u').reverse()
C = A.reverse() + B + A.trl(2, h)
S = TriSurface(C)
export({'surface': S})
clear()
smoothwire()
view('iso')
draw(S, color=red, bkcolor=black)
def run():
n=12
h=5.
A = simple.sector(1.,360.,1,n,diag='u')
B = simple.cylinder(2.,h,n,4,diag='u').reverse()
C = A.reverse()+B+A.trl(2,h)
S = TriSurface(C)
export({'surface':S})
clear()
smoothwire()
view('iso')
draw(S,color=red,bkcolor=black)
def run():
reset()
clear()
smooth()
transparent()
view('right')
# Create some geometry
S = sphere()
T = sector(1.0,360.,6,36,h=1.0,diag='u').toSurface().scale(1.5).reverse()
C = cylinder(1.2,1.5,24,4,diag='u').toSurface().trl([0.5,0.5,0.5]).reverse()
# Draw the geometry with given colors/opacity
# Settings colors and opacity in this way makes the model
# directly ready to export as WebGL
S.color = red
S.alpha = 0.7
S.caption = 'A sphere'
S.control = ['visible','opacity','color']
S.setNormals('avg')
T.color = blue
T.caption = 'A cone'
T.alpha = 1.0
T.control = ['visible','opacity','color']
#S.setNormals('auto')
C.color = 'yellow'
C.caption = 'A cylinder'
C.alpha = 0.8
C.control = ['visible','opacity','color']
#S.setNormals('auto')
export({'sphere':S,'cone':T,'cylinder':C})
draw([S,T,C])
zoomAll()
rotRight(30.)
camera = pf.canvas.camera
print("Camera focus: %s; eye: %s" % (camera.focus, camera.eye))
if checkWorkdir():
# Export everything to webgl
W = WebGL()
W.addScene()
W.export('Scene1','Two spheres and a cone',createdby=True)
def run():
global F, G
clear()
smooth()
view('iso')
F = cylinder(L=8., D=2., nt=36, nl=20, diag='u').centered()
F = TriSurface(F).setProp(3).close(method='planar').fixNormals()
G = F.rotate(90., 0).trl(0, 1.).setProp(1)
export({'F': F, 'G': G})
draw([F, G])
res = askItems([
_I('op',
text='Operation',
choices=[
'+ (Union)',
'- (Difference)',
'* Intersection',
'Intersection Curve',
],
itemtype='vradio'),
_I('verbose', False, text='Show stats'),
])
if not res:
return
op = res['op'][0]
verbose = res['verbose']
if op in '+-*':
I = F.boolean(G, op, verbose=verbose)
else:
I = F.intersection(G, verbose=verbose)
clear()
draw(I)
if op in '+-*':
return
else:
if ack('Create a surface inside the curve ?'):
I = I.toMesh()
e = connectedLineElems(I.elems)
I = Mesh(I.coords, connectedLineElems(I.elems)[0])
clear()
draw(I, color=red, linewidth=3)
S = fillBorder(I, method='planar')
draw(S)
def createCylinder():
res = askItems([I('name','__auto__'),
I('base diameter',1.),
I('top diameter',1.),
I('height',1.),
I('angle',360.),
I('div_along_length',6),
I('div_along_circ',12),
I('bias',0.),
I('diagonals',choices=['up','down']),
])
if res:
name = res['name']
F = simple.cylinder(L=res['height'],D=res['base diameter'],D1=res['top diameter'],angle=res['angle'],nt=res['div_along_circ'],nl=res['div_along_length'],bias=res['bias'],diag=res['diagonals'][0])
export({name:TriSurface(F)})
selection.set([name])
selection.draw()
def run():
global F,G
clear()
smooth()
view('iso')
F = cylinder(L=8.,D=2.,nt=36,nl=20,diag='u').centered()
F = TriSurface(F).setProp(3).close(method='planar').fixNormals()
G = F.rotate(90.,0).trl(0,1.).setProp(1)
export({'F':F,'G':G})
draw([F,G])
res = askItems(
[ _I('op',text='Operation',choices=[
'+ (Union)',
'- (Difference)',
'* Intersection',
'Intersection Curve',
],itemtype='vradio'),
_I('verbose',False,text='Show stats'),
])
if not res:
return
op = res['op'][0]
verbose = res['verbose']
if op in '+-*':
I = F.boolean(G,op,verbose=verbose)
else:
I = F.intersection(G,verbose=verbose)
clear()
draw(I)
if op in '+-*':
return
else:
if ack('Create a surface inside the curve ?'):
I = I.toMesh()
e = connectedLineElems(I.elems)
I = Mesh(I.coords,connectedLineElems(I.elems)[0])
clear()
draw(I,color=red,linewidth=3)
S = fillBorder(I,method='planar')
draw(S)
def createCylinder():
_data_ = __name__+'_createCylinder_data'
res = {
'name':'__auto__',
'object type':'Formex',
'base diameter':1.,
'top diameter':1.,
'height':2.,
'angle':360.,
'div_along_length':6,
'div_along_circ':12,
'bias':0.,
'diagonals':'up',
}
if pf.PF.has_key(_data_):
res.update(pf.PF[_data_])
res = askItems(store=res, items=[
_I('name'),
_I('object type',choices=['Formex','Mesh','TriSurface']),
_I('base diameter'),
_I('top diameter'),
_I('height'),
_I('angle'),
_I('div_along_length'),
_I('div_along_circ'),
_I('bias'),
_I('diagonals',choices=['none','up','down']),
])
if res:
pf.PF[_data_] = res
name = res['name']
if name == '__auto__':
name = autoName(res['object type']).next()
F = simple.cylinder(L=res['height'],D=res['base diameter'],D1=res['top diameter'],
angle=res['angle'],nt=res['div_along_circ'],nl=res['div_along_length'],
bias=res['bias'],diag=res['diagonals'][0])
F = convertFormex(F,res['object type'])
export({name:F})
selection.set([name])
selection.draw()
def createCylinder():
_data_ = _name_ + 'createCylinder_data'
dia = Dialog(items=[
_I('name', '__auto__'),
_I('object type', choices=['Formex', 'Mesh', 'TriSurface']),
_I('base diameter', 1.),
_I('top diameter', 1.),
_I('height', 2.),
_I('angle', 360.),
_I('div_along_length', 6),
_I('div_along_circ', 12),
_I('bias', 0.),
_I('diag', 'up', choices=['none', 'up', 'down', 'x-both']),
], )
if _data_ in pf.PF:
dia.updateData(pf.PF[_data_])
res = dia.getResults()
if res:
pf.PF[_data_] = res
name = res['name']
if name == '__auto__':
name = autoName(res['object type']).next()
F = simple.cylinder(L=res['height'],
D=res['base diameter'],
D1=res['top diameter'],
angle=res['angle'],
nt=res['div_along_circ'],
nl=res['div_along_length'],
bias=res['bias'],
diag=res['diag'][0])
F = convertFormex(F, res['object type'])
export({name: F})
selection.set([name])
if res['object type'] == 'TriSurface':
surface_menu.selection.set([name])
selection.draw()
"""Cylinder
level = 'beginner'
topics = ['geometry', 'surface', 'cylinder']
techniques = ['import']
.. Description
Cylinder
--------
This example illustrates the use of simple.sector() and simple.cylinder()
to create a parametric cylindrical surface.
"""
import simple
from plugins.trisurface import TriSurface
n=12
h=5.
A = simple.sector(1.,360.,1,n,diag='u')
B = simple.cylinder(2.,h,n,4,diag='u').reverse()
C = A.reverse()+B+A.trl(2,h)
S = TriSurface(C)
export({'surface':S})
smoothwire()
view('iso')
draw(S,color=red)
# End
