def Orthographic_Cplane():
cpln_current = rs.ViewCPlane()
Bool_Osnap = rs.Osnap()
point = cpln_current.Origin
if Bool_Osnap:
rs.Osnap(False)
rs.Command("_Circle 0,0,0 ")
#
rs.EnableRedraw(False)
#
Circle = rs.LastCreatedObjects()
if Bool_Osnap:
rs.Osnap(True)
if Circle is None:
#
rs.EnableRedraw(True)
#
return
if not rs.IsObject(Circle):
rs.EnableRedraw(True)
return
rs.Command("_Point 0,0,1 ")
pt_pos = rs.LastCreatedObjects()
rs.Command("_Point 0,0,-1 ")
pt_neg = rs.LastCreatedObjects()
pt_cam = rs.ViewCamera()
dist_pos = rs.Distance(pt_cam,pt_pos)
dist_neg = rs.Distance(pt_cam,pt_neg)
print pt_cam
Disk = rs.AddPlanarSrf(Circle)
rs.UnselectAllObjects()
rs.SelectObjects(Disk)
if dist_pos>dist_neg:
rs.Command("OrientCameraToSrf _f 0,0,0 _pause")
else:
rs.Command("OrientCameraToSrf 0,0,0 _pause")
rs.DeleteObjects((pt_pos,pt_neg,Circle,Disk))
rs.ViewProjection(None,1)
def view(camera=False, target=False, lens=False):
if camera and target and lens:
if not rh.IsViewMaximized("Perspective"):
rh.MaximizeRestoreView("Perspective")
rh.ViewProjection("Perspective", 2)
rh.ViewCameraLens("Perspective", lens)
rh.ViewCameraTarget("Perspective", Pt(camera), Pt(target))
rh.ViewDisplayMode("Perspective", "Shaded")
vs.Redraw()
return (camera, target, lens)
else:
rh.CurrentView("Perspective")
camera, target, lens = rh.ViewCamera(), rh.ViewTarget(
), rh.ViewCameraLens()
return (fromPt(camera), fromPt(target), lens)
def blkFace(obj):
cameraPos = rs.ViewCamera()
cameraPos.Z = 0
xform = rs.BlockInstanceXform(obj)
plane = rs.PlaneTransform(rs.WorldXYPlane(), xform)
viewdir = rs.VectorUnitize(cameraPos - plane.Origin)
angle = rs.VectorAngle(viewdir, plane.YAxis)
newXform = rs.XformRotation3(plane.YAxis, viewdir, plane.Origin)
rs.TransformObject(obj, newXform)
def FaceCamera():
try:
frames = rs.GetObjects("Select Picture Frames",
filter=8,
preselect=True)
# rotate surfaces around z axis towards camera point
if frames:
rs.EnableRedraw(False)
cam = rs.ViewCamera()
camz = (cam.X, cam.Y, 0)
angle = 1
for i in frames:
angle = 1
while angle >= 1:
# get mid point of surface and move to z 0
pointmid = rs.SurfaceAreaCentroid(i)
pointmidz = (pointmid[0].X, pointmid[0].Y, 0)
# Get center UV of surface
domainU = rs.SurfaceDomain(i, 0)
domainV = rs.SurfaceDomain(i, 1)
u = domainU[1] / 2.0
v = domainV[1] / 2.0
# Get normal vector of surface and cam vector
vec1 = rs.SurfaceNormal(i, (u, v))
vec1 = vec1.X, vec1.Y, 0
vec2 = rs.VectorCreate(camz, pointmidz)
# find angle difference between the two vectors
angle = rs.VectorAngle(vec1, vec2)
angle = round(angle)
# Rotate Object
rs.RotateObject(i, pointmidz, angle)
continue
rs.EnableRedraw(True)
except:
print("Failed to execute")
rs.EnableRedraw(True)
return
def blkFace(obj):
cameraPos = rs.ViewCamera()
cameraPos.Z = 0
plane = rs.WorldXYPlane()
if rs.IsBlockInstance(obj):
plane = blkPlane(obj)
elif rs.IsSurface(obj):
plane = srfPlane(obj)
targetpos = plane.Origin
targetpos.Z = 0
viewdir = rs.VectorUnitize(cameraPos - targetpos)
angle = rs.VectorAngle(viewdir, plane.YAxis)
newXform = rs.XformRotation3(plane.YAxis, viewdir, plane.Origin)
rs.TransformObject(obj, newXform)
def ExportNamedViews():
'''
Extract view coordinates and write to JSON
Example:
* Open original .3dm file
* RunPythonScript `ExportNamedViews()`
* Create a New .3dm file
* RunPythonScript `ImportNamedViews()`
'''
log = open('./views.json', 'a')
fname = rs.DocumentPath() + rs.DocumentName()
data = {}
data[fname] = {}
for view in rs.NamedViews():
rs.RestoreNamedView(view)
data[fname][view] = (list(rs.ViewCamera()), list(rs.ViewTarget()))
log.write(json.dumps(data, indent=2) + '\n')
log.close()
return data
# input is guid of referenced block import rhinoscriptsyntax as rs import ghpythonlib.treehelpers as th import scriptcontext as sc import Rhino as rc sc.doc = rc.RhinoDoc.ActiveDoc cameraPos = rs.ViewCamera() cameraPos.Z = 0 xform = rs.BlockInstanceXform(x) plane = rs.PlaneTransform(rs.WorldXYPlane(), xform) viewdir = rs.VectorUnitize(cameraPos - plane.Origin) angle = rs.VectorAngle(viewdir, plane.YAxis) newplane = rs.RotatePlane(plane, angle, plane.ZAxis) a = xform b = plane c = cameraPos d = viewdir e = plane.YAxis
def distFromCamera(target):
camPos = rs.ViewCamera(rs.CurrentView())
dist = rs.Distance(camPos, target)
print "Distance from camera is " + str(dist)