How to use the chempy.cpv.sub function in chempy
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Pymol-Scripts / Pymol-script-repo / plane.py View on Github 
v2_t = cpv.normalize(cpv.sub(p3_t, p2_t))
normal_t = cpv.normalize(cpv.cross_product(v1_t, v2_t))
v2_t = cpv.normalize(cpv.cross_product(normal_t, v1_t))
p1_t2 = cpv.add(v1_t, p2_t)
p3_t2 = cpv.add(v2_t, p2_t)
print_info("Newnormal", p1_t2, p2_t, p3_t2)
if vm1!=None:
v1 = cpv.scale(cpv.normalize(v1), vm1)
if vm2!=None:
v2 = cpv.scale(cpv.normalize(v2), vm2)
centrum = p2
if center:
corner1 = cpv.add(cpv.add(centrum, v1), v2)
corner2 = cpv.sub(cpv.add(centrum, v1), v2)
corner3 = cpv.sub(cpv.sub(centrum, v1), v2)
corner4 = cpv.add(cpv.sub(centrum, v1), v2)
else:
corner1 = cpv.add(cpv.add(centrum, v1), v2)
corner2 = cpv.add(centrum, v1)
corner3 = centrum
corner4 = cpv.add(centrum, v2)
return plane(corner1, corner2, corner3, corner4, normal, settings)def planeFromPoints(p1, p2, p3, vm1=None, vm2=None, center=True, settings={}):
v1 = cpv.sub(p1, p2)
v2 = cpv.sub(p3, p2)
normal = cpv.cross_product(v1, v2)
if 'translate' in settings:
vtran = cpv.scale(cpv.normalize(normal), settings['translate'])
p1_t = cpv.sub(p1, vtran)
p2_t = cpv.sub(p2, vtran)
p3_t = cpv.sub(p3, vtran)
print("New coordinates are:")
print_info("New", p1_t, p2_t, p3_t)
print("New coordinates are for normalized plane:")
v1_t = cpv.normalize(cpv.sub(p1_t, p2_t))
v2_t = cpv.normalize(cpv.sub(p3_t, p2_t))
normal_t = cpv.normalize(cpv.cross_product(v1_t, v2_t))
v2_t = cpv.normalize(cpv.cross_product(normal_t, v1_t))
p1_t2 = cpv.add(v1_t, p2_t)
p3_t2 = cpv.add(v2_t, p2_t)v2_t = cpv.normalize(cpv.cross_product(normal_t, v1_t))
p1_t2 = cpv.add(v1_t, p2_t)
p3_t2 = cpv.add(v2_t, p2_t)
print_info("Newnormal", p1_t2, p2_t, p3_t2)
if vm1!=None:
v1 = cpv.scale(cpv.normalize(v1), vm1)
if vm2!=None:
v2 = cpv.scale(cpv.normalize(v2), vm2)
centrum = p2
if center:
corner1 = cpv.add(cpv.add(centrum, v1), v2)
corner2 = cpv.sub(cpv.add(centrum, v1), v2)
corner3 = cpv.sub(cpv.sub(centrum, v1), v2)
corner4 = cpv.add(cpv.sub(centrum, v1), v2)
else:
corner1 = cpv.add(cpv.add(centrum, v1), v2)
corner2 = cpv.add(centrum, v1)
corner3 = centrum
corner4 = cpv.add(centrum, v2)
return plane(corner1, corner2, corner3, corner4, normal, settings)def planeFromPoints(point1, point2, point3, facetSize):
v1 = cpv.normalize(cpv.sub(point2, point1))
v2 = cpv.normalize(cpv.sub(point3, point1))
normal = cpv.cross_product(v1, v2)
v2 = cpv.cross_product(normal, v1)
x = cpv.scale(v1, facetSize)
y = cpv.scale(v2, facetSize)
center = point2
corner1 = cpv.add(cpv.add(center, x), y)
corner2 = cpv.sub(cpv.add(center, x), y)
corner3 = cpv.sub(cpv.sub(center, x), y)
corner4 = cpv.add(cpv.sub(center, x), y)
return plane(corner1, corner2, corner3, corner4, normal)normal_t = cpv.normalize(cpv.cross_product(v1_t, v2_t))
v2_t = cpv.normalize(cpv.cross_product(normal_t, v1_t))
p1_t2 = cpv.add(v1_t, p2_t)
p3_t2 = cpv.add(v2_t, p2_t)
print_info("Newnormal", p1_t2, p2_t, p3_t2)
if vm1!=None:
v1 = cpv.scale(cpv.normalize(v1), vm1)
if vm2!=None:
v2 = cpv.scale(cpv.normalize(v2), vm2)
centrum = p2
if center:
corner1 = cpv.add(cpv.add(centrum, v1), v2)
corner2 = cpv.sub(cpv.add(centrum, v1), v2)
corner3 = cpv.sub(cpv.sub(centrum, v1), v2)
corner4 = cpv.add(cpv.sub(centrum, v1), v2)
else:
corner1 = cpv.add(cpv.add(centrum, v1), v2)
corner2 = cpv.add(centrum, v1)
corner3 = centrum
corner4 = cpv.add(centrum, v2)
return plane(corner1, corner2, corner3, corner4, normal, settings)def planeFromPoints(p1, p2, p3, vm1=None, vm2=None, center=True, settings={}):
v1 = cpv.sub(p1, p2)
v2 = cpv.sub(p3, p2)
normal = cpv.cross_product(v1, v2)
if 'translate' in settings:
vtran = cpv.scale(cpv.normalize(normal), settings['translate'])
p1_t = cpv.sub(p1, vtran)
p2_t = cpv.sub(p2, vtran)
p3_t = cpv.sub(p3, vtran)
print("New coordinates are:")
print_info("New", p1_t, p2_t, p3_t)
print("New coordinates are for normalized plane:")
v1_t = cpv.normalize(cpv.sub(p1_t, p2_t))
v2_t = cpv.normalize(cpv.sub(p3_t, p2_t))
normal_t = cpv.normalize(cpv.cross_product(v1_t, v2_t))
v2_t = cpv.normalize(cpv.cross_product(normal_t, v1_t))
p1_t2 = cpv.add(v1_t, p2_t)
p3_t2 = cpv.add(v2_t, p2_t)
print_info("Newnormal", p1_t2, p2_t, p3_t2)
if vm1!=None:
v1 = cpv.scale(cpv.normalize(v1), vm1)
if vm2!=None:
v2 = cpv.scale(cpv.normalize(v2), vm2)
centrum = p2
if center:
corner1 = cpv.add(cpv.add(centrum, v1), v2)
corner2 = cpv.sub(cpv.add(centrum, v1), v2)def planeFromPoints(point1, point2, point3, facetSize):
v1 = cpv.normalize(cpv.sub(point2, point1))
v2 = cpv.normalize(cpv.sub(point3, point1))
normal = cpv.cross_product(v1, v2)
v2 = cpv.cross_product(normal, v1)
x = cpv.scale(v1, facetSize)
y = cpv.scale(v2, facetSize)
center = point2
corner1 = cpv.add(cpv.add(center, x), y)
corner2 = cpv.sub(cpv.add(center, x), y)
corner3 = cpv.sub(cpv.sub(center, x), y)
corner4 = cpv.add(cpv.sub(center, x), y)
return plane(corner1, corner2, corner3, corner4, normal)def planeFromPoints(p1, p2, p3, vm1=None, vm2=None, center=True, settings={}):
v1 = cpv.sub(p1, p2)
v2 = cpv.sub(p3, p2)
normal = cpv.cross_product(v1, v2)
if 'translate' in settings:
vtran = cpv.scale(cpv.normalize(normal), settings['translate'])
p1_t = cpv.sub(p1, vtran)
p2_t = cpv.sub(p2, vtran)
p3_t = cpv.sub(p3, vtran)
print("New coordinates are:")
print_info("New", p1_t, p2_t, p3_t)
print("New coordinates are for normalized plane:")
v1_t = cpv.normalize(cpv.sub(p1_t, p2_t))
v2_t = cpv.normalize(cpv.sub(p3_t, p2_t))
normal_t = cpv.normalize(cpv.cross_product(v1_t, v2_t))
v2_t = cpv.normalize(cpv.cross_product(normal_t, v1_t))
p1_t2 = cpv.add(v1_t, p2_t)chempy
ChemPy is a Python package useful for solving problems in chemistry.
Package Health Score
81 / 100Popular chempy functions
- chempy._util.get_backend
- chempy.cpv
- chempy.cpv.add
- chempy.cpv.cross_product
- chempy.cpv.distance
- chempy.cpv.get_angle
- chempy.cpv.get_null
- chempy.cpv.length
- chempy.cpv.negate
- chempy.cpv.normalize
- chempy.cpv.scale
- chempy.cpv.sub
- chempy.kinetics.rates.MassAction
- chempy.models.Indexed
- chempy.Reaction
- chempy.units.default_units
- chempy.units.get_derived_unit
- chempy.units.to_unitless
- chempy.util._expr.Expr
- chempy.util.pyutil.deprecated