def DropBlockToSurface():
try:
obj = rs.GetObjects('Select Objects',
rs.filter.curve | rs.filter.instance
| rs.filter.mesh | rs.filter.surface
| rs.filter.subd | rs.filter.light
| rs.filter.polysurface,
preselect=True)
srf = rs.GetObject('Select Surface')
if obj:
if srf:
rs.EnableRedraw(False)
# Check if srf is a mesh, if so convert to Nurb
isMesh = rs.IsMesh(srf)
if isMesh == True:
srf = rs.MeshToNurb(srf)
# For each object send test rays up and down in Z coord
# Move each object to the ray test that hits a srf
for i in obj:
bndBox = rs.BoundingBox(i)
pt1 = bndBox[0]
pt2 = bndBox[2]
crv = rs.AddLine(pt1, pt2)
if crv:
midcrv = rs.CurveMidPoint(crv)
rs.DeleteObject(crv)
ray_pt_up = rs.ShootRay(srf,
midcrv, (0, 0, 1),
reflections=1)
ray_pt_down = rs.ShootRay(srf,
midcrv, (0, 0, -1),
reflections=1)
if ray_pt_up:
vector = rs.VectorCreate(ray_pt_up[1], midcrv)
rs.MoveObject(i, vector)
if ray_pt_down:
vector = rs.VectorCreate(ray_pt_down[1], midcrv)
rs.MoveObject(i, vector)
# deleate any created srf
if isMesh == True:
rs.DeleteObject(srf)
rs.EnableRedraw(True)
except:
print("Failed to execute")
rs.EnableRedraw(True)
return
def setAdditiveObj(self):
#set object to be additived
#if selected obj isnt closed, return False
tmp = rs.GetObject("Select object which you want additive")
#adapt to unclosed polysurface
if rs.IsMesh(tmp):
self.addtiveObj = rs.MeshToNurb(tmp)
elif rs.IsPolysurface(tmp):
self.addtiveObj = tmp
else:
print("please select \"mesh\" or \"polysurface\"")
return True
def setAdditiveObj(self):
'''
set object that is added
when pick object, it must be mesh or polysurface
if picked object is mesh, it will be converted to polysurface
'''
tmp = rs.GetObject("Pick a additive obj",
rs.filter.polysurface | rs.filter.mesh)
if rs.IsMesh(tmp):
self.additiveObj = rs.MeshToNurb(tmp)
elif rs.IsPolysurface(tmp):
self.additiveObj = tmp
else:
print("Please select \"mesh\" or \"polysurface\"")
return False
return True
def ProjectCurvesToTIN():
try:
crvs = rs.GetObjects(message="Select curves to project",
filter=4,
group=True,
preselect=False,
select=False,
objects=None,
minimum_count=1,
maximum_count=0,
custom_filter=None)
if not crvs:
return
obj = rs.GetObject("Select the TIN to project onto", 8 | 16 | 32)
if not obj:
return
isMesh = rs.IsMesh(obj)
zUpList = []
zDownList = []
rs.EnableRedraw(False)
# Convert Mesh to Nurbs for ShootRay compatibility
if isMesh == True:
srf = rs.MeshToNurb(obj)
if isMesh == False:
srf = obj
# Shoot ray from each grip point and move grips to reflection point
for crv in crvs:
rs.EnableObjectGrips(crv)
grips = rs.ObjectGripLocations(crv)
for grip in grips:
zUp = rs.ShootRay(srf, grip, (0, 0, 1), 1)
# if zUp != None:
if zUp == None:
zUpList.append(False)
else:
zUpList.append(zUp[1])
zDown = rs.ShootRay(srf, grip, (0, 0, -1), 1)
# if zDown != None:
if zDown == None:
zDownList.append(False)
else:
zDownList.append(zDown[1])
rs.CopyObject(crv) # Copy Existing curve
# Find the right list to iterate over and insert existing points for any falses
if all(x is False for x in zUpList):
falseindex = [i for i, val in enumerate(zDownList) if not val]
for i in falseindex:
# Replace False with existing grip location and closest Z value
closestPt = rs.BrepClosestPoint(srf, grips[i])
zDownList[i] = (grips[i].X, grips[i].Y, closestPt[0].Z)
rs.ObjectGripLocations(crv, zDownList)
else:
falseindex = [i for i, val in enumerate(zUpList) if not val]
for i in falseindex:
# Replace False with existing grip location and closest Z value
closestPt = rs.BrepClosestPoint(srf, grips[i])
zUpList[i] = (grips[i].X, grips[i].Y, closestPt[0].Z)
rs.ObjectGripLocations(crv, zUpList)
del zDownList[:]
del zUpList[:]
rs.EnableObjectGrips(crv, False)
if isMesh == True:
rs.DeleteObject(srf)
rs.EnableRedraw(True)
except:
rs.EnableObjectGrips(crv, False)
rs.DeleteObject(crv)
rs.EnableRedraw(True)
print("Failed to project curves")
return