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 createCone():
res = askItems([('name','__auto__'),
('radius',1.),
('height',1.),
('angle',360.),
('div_along_radius',6),
('div_along_circ',12),
('diagonals','up','select',['up','down']),
])
if res:
name = res['name']
F = simple.sector(r=res['radius'],t=res['angle'],nr=res['div_along_radius'],nt=res['div_along_circ'],h=res['height'],diag=res['diagonals'])
export({name:TriSurface(F)})
selection.set([name])
selection.draw()
def createCone():
_data_ = _name_ + 'createCone_data'
res = {
'name': '__auto__',
'object type': 'Formex',
'radius': 1.,
'height': 1.,
'angle': 360.,
'div_along_radius': 6,
'div_along_circ': 12,
'diagonals': 'up',
}
if _data_ in pf.PF:
res.update(pf.PF[_data_])
res = askItems(store=res,
items=[
_I('name'),
_I('object type',
choices=['Formex', 'Mesh', 'TriSurface']),
_I('radius'),
_I('height'),
_I('angle'),
_I('div_along_radius'),
_I('div_along_circ'),
_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.sector(r=res['radius'],
t=res['angle'],
nr=res['div_along_radius'],
nt=res['div_along_circ'],
h=res['height'],
diag=res['diagonals'])
F = convertFormex(F, res['object type'])
export({name: F})
selection.set([name])
if res['object type'] == 'TriSurface':
surface_menu.selection.set([name])
selection.draw()
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 createCone():
_data_ = __name__+'_createCone_data'
res = {
'name' : '__auto__',
'object type':'Formex',
'radius': 1.,
'height': 1.,
'angle': 360.,
'div_along_radius': 6,
'div_along_circ':12,
'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('radius'),
_I('height'),
_I('angle'),
_I('div_along_radius'),
_I('div_along_circ'),
_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.sector(r=res['radius'],t=res['angle'],nr=res['div_along_radius'],
nt=res['div_along_circ'],h=res['height'],diag=res['diagonals'])
F = convertFormex(F,res['object type'])
export({name:F})
selection.set([name])
selection.draw()
def run():
reset()
smooth()
r=3.
h=15.
n=64
F = simple.sector(r,360.,n,n,h=h,diag=None)
F.setProp(0)
draw(F,view='bottom')
#setDrawOptions({'bbox':None})
print(map(str,range(4)))
ans = ask('How many balls do you want?',['0','1','2','3'])
try:
nb = int(ans)
except:
nb = 3
if nb > 0:
B = simple.sphere3(n,n,r=0.9*r,bot=-90,top=90)
B1 = B.translate([0.,0.,0.95*h])
B1.setProp(1)
draw(B1)
if nb > 1:
B2 = B.translate([0.2*r,0.,1.15*h])
B2.setProp(2)
draw(B2)
if nb > 2:
B3 = B.translate([-0.2*r,0.1*r,1.25*h])
B3.setProp(6)
draw(B3)
zoomAll()
def run():
reset()
smooth()
r = 3.
h = 15.
n = 64
F = simple.sector(r, 360., n, n, h=h, diag=None)
F.setProp(0)
draw(F, view='bottom')
#setDrawOptions({'bbox':None})
print(map(str, range(4)))
ans = ask('How many balls do you want?', ['0', '1', '2', '3'])
try:
nb = int(ans)
except:
nb = 3
if nb > 0:
B = simple.sphere3(n, n, r=0.9 * r, bot=-90, top=90)
B1 = B.translate([0., 0., 0.95 * h])
B1.setProp(1)
draw(B1)
if nb > 1:
B2 = B.translate([0.2 * r, 0., 1.15 * h])
B2.setProp(2)
draw(B2)
if nb > 2:
B3 = B.translate([-0.2 * r, 0.1 * r, 1.25 * h])
B3.setProp(6)
draw(B3)
zoomAll()
"""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
## pyFormex is a Python implementation of Formex algebra ## Website: http://pyformex.berlios.de/ ## Copyright (C) Benedict Verhegghe ([email protected]) ## ## This program is distributed under the GNU General Public License ## version 2 or later (see file COPYING for details) ## import simple smooth() r=3. h=15. n=64 F = simple.sector(r,360.,n,n,h=h,diag=None) F.setProp(0) draw(F,view='bottom') zoomall() zoom(1.5) ans = ask('How many balls do you want?',['3','2','1','0']) try: nb = int(ans) except: nb = 3 if nb > 0: B = simple.sphere3(n,n,r=0.9*r,bot=-90,top=90)
