def leafgenerator(point):
#random z move
zmove = rg.Vector3d(0, 0, 1)
moveamp = random.uniform(-leaflen / 3, leaflen / 5)
ampzmove = ghc.Amplitude(zmove, moveamp)
llendpnt = ghc.Move(point, ampzmove)[0]
#setting a leaf centerline vector
leafvector = ghc.Vector2Pt(leafpoint, llendpnt,
True)[0]
#defining leaf center point as avarage of st and end pnts
midpnt = ghc.Average([leafpoint, llendpnt])
#generating perpendicular vector
vecperpleaf = ghc.Rotate(leafvector, radians(90),
planetocenter)[0]
leafperpamp = ghc.Amplitude(
vecperpleaf,
random.uniform((leafwidth / 2) / 5 * 4,
(leafwidth / 2) / 5 * 6))
#moving mid point to both sides
midpnt1 = ghc.Move(midpnt, leafperpamp)[0]
midpnt2 = ghc.Move(midpnt, -leafperpamp)[0]
#leaf geo
leafgeo = rg.NurbsSurface.CreateFromCorners(
leafpoint, midpnt1, llendpnt, midpnt2)
leaves.append(leafgeo)
def roomCenterPt(_srfcs):
srfcCenters = []
for eachSrfc in _srfcs:
srfcCenters.append(ghc.Area(eachSrfc).centroid)
roomCenter = ghc.Average(srfcCenters)
return roomCenter
def center_point(self):
cps = [ ghc.Area(tfa_srfc).centroid for tfa_srfc in self.space_tfa_surfaces ]
cp = ghc.Average(cps)
return rs.CreatePoint(*cp)
# Calc the window Radiation / m2
# ------------------------------------------------------------------------------
Window = namedtuple('Window', ['radiation', 'area', 'srfc_normal'])
windows = []
for branch_msh, branch_rad in zip(_windows_mesh.Branches,
_windows_radiation.Branches):
for msh in branch_msh:
win_total_rad = sum([
calc_mesh_face_rad(face, msh.Vertices, rad)
for face, rad in zip(msh.Faces, branch_rad)
])
win_area = Rhino.Geometry.AreaMassProperties.Compute(msh).Area
win_rad_per_m2 = win_total_rad / win_area
win_srfc_normal = ghc.Average(msh.FaceNormals)
# Window Objects
windows.append(Window(win_rad_per_m2, win_area, win_srfc_normal))
# Build the sphere radiation objects
# ------------------------------------------------------------------------------
OrientationRad = namedtuple('OrientationRad', ['radiation', 'srfc_normal'])
northVec = Rhino.Geometry.Vector3d(0, 1, 0)
objs = []
for v_list, r_list in zip(_sphere_testVec.Branches,
_sphere_radiation.Branches):
for v, r in zip(v_list, r_list):
objs.append(OrientationRad(r, v))
def fractal(depth, x1, y1, z1, x2, y2, z2, length, anglerec, angle, lvariation,
aran, lran, anglerech, angleh, branches, verticality, gchance,
depthstart, radtolen, radchng, mngon, polygon, branch_cluster):
#test if depth>0
if depth:
#defining random angle variation and length variation
arn = random.uniform(-angle / 100 * aran, angle / 100 * aran)
lrn = random.uniform(-length / 100 * lran, length / 100 * lran)
if hrandom == True:
#defining horizontal rotation angles
ahor = random.sample(range(0, 360), branches)
#removing numbers within tolerance
ahr = rs.CullDuplicateNumbers(ahor, angleh)
#in a 360 fashion
if ahr[0] + 360 - angleh < ahr[-1]:
del ahr[0]
else:
#generating evenly distributed angles
ahr = range(0, 360 + 1, 360 // branches)[:-1]
#previous branch vector
vecst = rg.Point3d(x1, y1, z1)
vecend = rg.Point3d(x2, y2, z2)
movevec = ghc.Vector2Pt(vecst, vecend,
True)[0] #returns vector and it's length
#perpendicular vector
rotplane3 = ghc.PlaneNormal(
vecend, movevec) #creates plane perpendicular to vector
plns = ghc.DeconstructPlane(rotplane3) #origin, x, y, z
rotplane = ghc.ConstructPlane(
plns[2], plns[1], plns[3]
) #constructing new plane switching x and y planes to make perpendicular
#generating perpendicular vector
vecperp = ghc.Rotate(movevec, radians(90), rotplane)[0]
#generating vector amplitudes
leny = (length + lrn) * sin(
radians((anglerec + arn) * (1 - (verticality**depth))))
lenz = (length + lrn) * cos(radians(anglerec + arn))
ampy = ghc.Amplitude(vecperp, leny)
ampz = ghc.Amplitude(movevec, lenz)
#changing branch length dependant on branch depth
length = length * lvariation
#building points
endpoint1 = ghc.Move(
vecend, ampz)[0] #returns moved object and transformation data
endpoint = ghc.Move(
endpoint1, ampy)[0] #returns moved object and transformation data
#rotating point in a cone fashion
rotpoint = ghc.Rotate3D(
endpoint, radians(anglerech), vecend,
movevec)[0] #returns rotated geometry and transformation data
#building line between points
linegeo = rg.Line(vecend, rotpoint)
#defining recursion depth
key = depthstart + 1 - depth
#building geometry
pln = ghc.PlaneNormal(rotpoint,
linegeo) #returns a plane perp to a vector
radius = length * (radchng**(key)) / radtolen
#reduce details with each branch, but not less than 3
if mngon - key + 1 <= 3:
splits = 3
else:
splits = mngon - key + 1
polygonend = ghc.Polygon(pln, radius, splits,
0)[0] #returns a polygon and its perimeter
#aligning curves for loft creation
crvst = ghc.EndPoints(polygon)[0]
pntcld = ghc.Discontinuity(polygonend,
1) #returns points and point parameters
#finind seam point
closest_point = ghc.ClosestPoint(
crvst, pntcld[0]
) #returns closest point, closest point index, distance between closest points
seampnt = pntcld[1][closest_point[1]]
polygonend = ghc.Seam(polygonend, seampnt)
lcurves = [polygon, polygonend]
#building geometry
if depth == 1 and splits == 3:
geo = ghc.ExtrudePoint(
polygon, rotpoint) #if last branch than make a pyramid
else:
geo = rg.Brep.CreateFromLoft(lcurves, rg.Point3d.Unset,
rg.Point3d.Unset, rg.LoftType.Normal,
False)[0]
#make solid
geocapped = ghc.CapHoles(geo)
#building a dict of geo with depth as key, and geo as values, for more efficient joins
if branch_cluster not in pgons.keys():
pgons[branch_cluster] = [geocapped]
else:
pgons[branch_cluster].append(geocapped)
pgnosout.append(geocapped)
#setting coords for next branch
x1 = x2
y1 = y2
z1 = z2
#getting xyz from rotated point
x2 = rg.Point3d(rotpoint)[0]
y2 = rg.Point3d(rotpoint)[1]
z2 = rg.Point3d(rotpoint)[2]
#setting base polygon for next branch
polygon = polygonend
#calling function with different angle parameter for branch splitting
#calling as many branches as spread within tolerance
#filling dict with branch clusters
cluster.append(cluster[-1] + 1)
branch_cluster = cluster[-1]
if depth != 1:
for aa in ahr:
if (
(random.randint(40, 99) / 100)**depth
) < gchance or depth == depthstart + 1: #or added to prevent blank trees
fractal(depth - 1, x1, y1, z1, x2, y2, z2, length, angle,
angle, lvariation, aran, lran, aa, angleh,
branches, verticality, gchance, depthstart,
radtolen, radchng, mngon, polygon, branch_cluster)
if depth <= leavesdepth:
#leaf logic
if leavesperbranch > 0:
#vector for leaf growth spread
leafpntvec = ghc.Vector2Pt(vecend, rotpoint, True)[0]
#setting leaf growth position on last barnch
#leafpnt list
lastbranchlength = ghc.Length(linegeo)
leaves_list = []
if leavesperbranch > 1:
for lengthparam in random.sample(
range(0, int(lastbranchlength)),
leavesperbranch - 1):
leaves_list.append(lengthparam)
leaves_list.append(lastbranchlength)
for leafpnt in leaves_list:
leafamp = ghc.Amplitude(leafpntvec, leafpnt)
leafpoint = ghc.Move(vecend, leafamp)[0]
#plane for leaf generation
linetocenter = ghc.Line(stpntbase, leafpoint)
planetocenter = ghc.PlaneNormal(leafpoint, linetocenter)
#create an imaginary circle with leaflen radius and populate it with points for random leaf generation
#testcircle = ghc.Circle(leafpoint, leaflen)
testcircle = ghc.CircleCNR(leafpoint, linetocenter,
leaflen)
circlesurf = ghc.BoundarySurfaces(testcircle)
leafendpnts = ghc.PopulateGeometry(
circlesurf, random.randint(2, maxleaves + 1),
random.randint(1, 500)
) #has to be over 1 for correct iteration, else iterates over xyz values
#iterate over random number of generated points
for pp in leafendpnts:
#random z move
zmove = rg.Vector3d(0, 0, 1)
moveamp = random.uniform(-leaflen / 3, leaflen / 5)
ampzmove = ghc.Amplitude(zmove, moveamp)
llendpnt = ghc.Move(pp, ampzmove)[0]
#setting a leaf centerline vector
leafvector = ghc.Vector2Pt(leafpoint, llendpnt,
True)[0]
#defining leaf center point as avarage of st and end pnts
midpnt = ghc.Average([leafpoint, llendpnt])
#generating perpendicular vector
vecperpleaf = ghc.Rotate(leafvector, radians(90),
planetocenter)[0]
leafperpamp = ghc.Amplitude(
vecperpleaf,
random.uniform((leafwidth / 2) / 5 * 4,
(leafwidth / 2) / 5 * 6))
#moving mid point to both sides
midpnt1 = ghc.Move(midpnt, leafperpamp)[0]
midpnt2 = ghc.Move(midpnt, -leafperpamp)[0]
#leaf geo
leafgeo = rg.NurbsSurface.CreateFromCorners(
leafpoint, midpnt1, llendpnt, midpnt2)
leaves.append(leafgeo)