def addcurvaturegraph(idCrv, spansamples, scale):
allGeometry = []
knots = rs.CurveKnots(idCrv)
p = 5
for i in range(knots.Count - 1):
tmpGeometry = addcurvaturegraphsection(idCrv, knots[i], knots[i + 1],
spansamples, scale)
if tmpGeometry: allGeometry.append(tmpGeometry)
rs.AddObjectsToGroup(allGeometry, rs.AddGroup())
return allGeometry
def smoothcurve(curve_id, s):
curve_points = rs.CurvePoints(curve_id)
new_curve_points = []
for i in range(len(curve_points) - 1):
vm = smoothingvector(curve_points[i], curve_points[i - 1],
curve_points[i + 1], s)
new_curve_points.append(rs.PointAdd(curve_points[i], vm))
knots = rs.CurveKnots(curve_id)
degree = rs.CurveDegree(curve_id)
weights = rs.CurveWeights(curve_id, 0)
newcurve_id = rs.AddNurbsCurve(new_curve_points, knots, degree, weights)
if newcurve_id: rs.DeleteObject(curve_id)
return newcurve_id
def SampleExportCurvesAsJSON():
# Select curves to export
ids = rs.GetObjects('Select curves to export', 4, True, True)
if not ids: return
# Name of filename to creat
fname = rs.SaveFileName('Save', 'JSON File (*.json)|*.json||')
if not fname: return
# The json data (dictionary)
data = {}
# The version of this data format
data['version'] = 1.0
# The Rhino version
data['rhino'] = rs.ExeVersion()
# The date
data['date'] = time.strftime('%d/%m/%Y')
# The number of curve records
data['curve_count'] = len(ids)
# The curve records (list)
data['curves'] = []
for id in ids:
# Create a curve record (dictionary)
rec = {}
# The id
rec['id'] = id.ToString()
# The dimension
rec['dim'] = rs.CurveDim(id)
# Is rational
rec['rational'] = rs.IsCurveRational(id)
# The degree
rec['degree'] = rs.CurveDegree(id)
# The control point count
rec['cv_count'] = rs.CurvePointCount(id)
# The control points
rec['cvs'] = []
pts = rs.CurvePoints(id)
wht = rs.CurveWeights(id)
for i in range(len(pts)):
pt = pts[i]
rec['cvs'].append([pt[0], pt[1], pt[2], wht[i]])
# The knot count
rec['knot_count'] = rs.CurveKnotCount(id)
# The knots
rec['knots'] = []
knots = rs.CurveKnots(id)
for i in range(len(knots)):
rec['knots'].append(knots[i])
# Some other (unnecessary) properties
rec['closed'] = rs.IsCurveClosed(id)
rec['periodic'] = rs.IsCurvePeriodic(id)
rec['planar'] = rs.IsCurvePlanar(id)
# Append the curve record
data['curves'].append(rec)
# Write the json data
with open('c:/users/dale/desktop/data.json', 'w') as outfile:
json.dump(data, outfile)
import rhinoscriptsyntax as rs
import random as rd
curve = rs.GetObject("Select a Curve", 4)
if curve:
points = rs.CurvePoints(curve)
knots = rs.CurveKnots(curve)
degree = rs.CurveDegree(curve)
newpoints = []
for p in points:
dx = rd.randrange(0, 10)
dy = rd.randrange(0, 10)
dz = rd.randrange(0, 10)
d = [dx, dy, dz]
q = rs.PointAdd(p, d)
newpoints.append(q)
newcurve = rs.AddNurbsCurve(newpoints, knots, degree)