def _inset_floor_surfaces( _floor_surface, _inset_dist, _ghenv ):
'''Shrinks/Insets the surface by the specified amount '''
try:
rh_srfc = from_face3d(_floor_surface.geometry)
except Exception as e:
msg = 'Error. Can not convert floor surface: "{}" to Rhino geometry?'.format( _floor_surface )
_ghenv.Component.AddRuntimeMessage(ghK.GH_RuntimeMessageLevel.Remark, msg)
return None
if _inset_dist < 0.001:
return rh_srfc
#-----------------------------------------------------------------------
srfcPerim = ghc.JoinCurves( ghc.BrepEdges(rh_srfc)[0], preserve=False )
# Get the inset Curve
srfcCentroid = Rhino.Geometry.AreaMassProperties.Compute(rh_srfc).Centroid
plane = ghc.XYPlane(srfcCentroid)
srfcPerim_Inset_Pos = ghc.OffsetCurve(srfcPerim, _inset_dist, plane, 1)
srfcPerim_Inset_Neg = ghc.OffsetCurve(srfcPerim, _inset_dist*-1, srfcCentroid, 1)
# Choose the right Offset Curve. The one with the smaller area
srfcInset_Pos = ghc.BoundarySurfaces( srfcPerim_Inset_Pos )
srfcInset_Neg = ghc.BoundarySurfaces( srfcPerim_Inset_Neg )
area_Pos = ghc.Area(srfcInset_Pos).area
area_neg = ghc.Area(srfcInset_Neg).area
if area_Pos < area_neg:
return srfcInset_Pos
else:
return srfcInset_Neg
def depth(self):
'''Used for non-res lighting evaluation. The room depth(m) from the main window wall '''
if self._depth:
return self._depth
worldXplane = ghc.XYPlane( Rhino.Geometry.Point3d(0,0,0) )
# Find the 'short' edge and the 'long' egde of the srfc geometry
srfcEdges = ghc.DeconstructBrep(self.surface).edges
segLengths = ghc.SegmentLengths(srfcEdges).longest_length
srfcEdges_sorted = ghc.SortList(segLengths, srfcEdges).values_a
endPoints = ghc.EndPoints(srfcEdges_sorted[-1])
longEdgeVector = ghc.Vector2Pt(endPoints.start, endPoints.end, False).vector
shortEdgeVector = ghc.Rotate(longEdgeVector, ghc.Radians(90), worldXplane).geometry
# Use the edges to find the orientation and dimensions of the room
srfcAligedPlane = ghc.ConstructPlane(ghc.Area(self.surface).centroid, longEdgeVector, shortEdgeVector)
srfcAlignedWorld = ghc.Orient(self.surface, srfcAligedPlane, worldXplane).geometry
dims = ghc.BoxProperties( srfcAlignedWorld ).diagonal
dims = [dims.X, dims.Y]
width = min(dims)
depth = max(dims)
return depth
def _getheight(obj):
geomlist = [x for n in obj for x in n]
te = ghc.BrepJoin(geomlist).breps
sm = ghc.MergeFaces(te).breps
pt = ghc.Area(sm).centroid
return pt.Z
def _get_plane_aligned_to_surface(_surface):
"""Finds an Aligned Plane for Surface input
Note, will try and correct to make sure the aligned plane's Y-Axis aligns
to the surface and goes 'up' (world Z) if it can.
Arguments:
_surface: The Rhino surface to align with
Returns:
srfcPlane: A single Plane object, aligned to the surface
"""
# Get the UV info for the surface
srfcPlane = rs.SurfaceFrame(_surface, [0.5, 0.5])
centroid = ghc.Area(_surface).centroid
uVector = srfcPlane.XAxis
vVector = srfcPlane.YAxis
# Create a Plane aligned to the UV of the srfc
lineU = ghc.LineSDL(centroid, uVector, 1)
lineV = ghc.LineSDL(centroid, vVector, 1)
srfcPlane = ghc.Line_Line(lineU, lineV)
# Try and make sure its pointing the right directions
if abs(round(srfcPlane.XAxis.Z, 2)) != 0:
srfcPlane = ghc.RotatePlane(srfcPlane, ghc.Radians(90))
if round(srfcPlane.YAxis.Z, 2) < 0:
srfcPlane = ghc.RotatePlane(srfcPlane, ghc.Radians(180))
return srfcPlane
def getGHSrfNormal(GHSrf):
centroid = ghc.Area(GHSrf).centroid
normalVector = ghc.EvaluateSurface(GHSrf, centroid).normal
return normalVector, GHSrf
def getWindowBasics(_in):
with idf2ph_rhDoc():
# Get the Window Geometry
geom = rs.coercegeometry(_in)
windowSurface = ghc.BoundarySurfaces(geom)
# Inset the window just slightly. If any windows touch one another or the zone edges
# will failt to create a proper closed Brep. So shink them ever so slightly. Hopefully
# not enough to affect the results.
windowPerim = ghc.JoinCurves(ghc.DeconstructBrep(windowSurface).edges,
preserve=False)
try:
windowPerim = ghc.OffsetonSrf(
windowPerim, 0.004,
windowSurface) # 0.4mm so hopefully rounds down
except:
windowPerim = ghc.OffsetonSrf(windowPerim, -0.004, windowSurface)
windowSurface = ghc.BoundarySurfaces(windowPerim)
# Pull in the Object Name from Rhino Scene
windowName = None
try:
windowName = rs.ObjectName(_in)
except:
warning = "Can't get the Window name from Rhino for some reason?\n"\
"If you are passing in Rhino Geometry, double check you have named all the surfaces?\n"\
"If you are passing in Grasshopper geometry though, ignore this message."
ghenv.Component.AddRuntimeMessage(
ghK.GH_RuntimeMessageLevel.Remark, warning)
windowName = windowName if windowName != None else 'Unnamed_Window'
windowName = cleanUpName(windowName)
# Double check that the surface Normal didn't get flipped
c1 = ghc.Area(geom).centroid
n1 = rs.SurfaceNormal(geom, c1)
c2 = ghc.Area(windowSurface).centroid
n2 = rs.SurfaceNormal(windowSurface, c2)
normAngleDifference = ghc.Degrees(ghc.Angle(n1, n2).angle)
if round(normAngleDifference, 0) != 0:
# Flip the surface if it doesn't match the source
windowSurface = ghc.Flip(windowSurface).surface
return windowName, windowSurface
def roomCenterPt(_srfcs):
srfcCenters = []
for eachSrfc in _srfcs:
srfcCenters.append(ghc.Area(eachSrfc).centroid)
roomCenter = ghc.Average(srfcCenters)
return roomCenter
def set_surface_values(self, _srfc_guids):
"""Pulls Rhino Scene parameters for a list of Surface Object Guids
Takes in a list of surface GUIDs and goes to Rhino. Looks in their
UserText to get any user applied parameter data. Will also find the
surface area of each surface in the list.
Calculates the total surface area of all surfaces in the list, as well as
the area-weighted U-Value of the total.
Will return tuple(0, 0) on any trouble getting parameter values or any fails
Args:
self:
_flrSrfcs (list): A list of Surface GUIDs to look at in the Rhino Scene
Returns:
totalFloorArea, floorUValue (tuple): The total floor area (m2) and the area weighted U-Value
"""
if _srfc_guids == None:
return 0, 0
if len(_srfc_guids) > 0:
floorAreas = []
weightedUvales = []
for srfcGUID in _srfc_guids:
# Get the Surface Area Params
srfcGeom = rs.coercebrep(srfcGUID)
if srfcGeom:
srfcArea = ghc.Area(srfcGeom).area
floorAreas.append(srfcArea)
# Get the Surface U-Values Params
srfcUvalue = self._get_surface_U_value(srfcGUID)
weightedUvales.append(srfcUvalue * srfcArea)
else:
floorAreas.append(1)
weightedUvales.append(1)
warning = 'Error: Input into _floor_surfaces is not a Surface?\n'\
'Please ensure inputs are Surface Breps only.'
self.ghenv.Component.AddRuntimeMessage(
ghK.GH_RuntimeMessageLevel.Warning, warning)
totalFloorArea = sum(floorAreas)
floorUValue = sum(weightedUvales) / totalFloorArea
else:
totalFloorArea = 0
floorUValue = 0
self.floor_area = totalFloorArea
self.floor_U_value = floorUValue
def inset_rhino_surface(_srfc, _inset_dist=0.001, _srfc_name=""):
""" Insets/shrinks a Rhino Brep some dimension
Arg:
_srfc: A Rhino Brep
_inset_dist: float: Default=0.001m
_srfc_name: str: The name of the surface, used for error messages
Returns:
new_srfc: A new Rhino surface, shrunk/inset by the specified amount
"""
#-----------------------------------------------------------------------
# Get all the surface params needed
srfc_Center = ghc.Area(_srfc).centroid
srfc_normal_vector = brep_avg_surface_normal(_srfc)
srfc_edges = ghc.DeconstructBrep(_srfc).edges
srfc_perimeter = ghc.JoinCurves(srfc_edges, False)
#-----------------------------------------------------------------------
# Try to inset the perimeter Curve
inset_curve = rs.OffsetCurve(srfc_perimeter, srfc_Center, _inset_dist, srfc_normal_vector, 0)
#-----------------------------------------------------------------------
# In case the new curve goes 'out' and the offset fails
# Or is too small and results in multiple offset Curves
if len(inset_curve)>1:
warning = 'Error. The surface: "{}" is too small. The offset of {} m"\
"can not be done. Check the offset size?'.format(_srfc_name, _inset_dist)
print(warning)
inset_curve = rs.OffsetCurve(srfc_perimeter, srfc_Center, 0.001, srfc_normal_vector, 0)
inset_curve = rs.coercecurve( inset_curve[0] )
else:
inset_curve = rs.coercecurve( inset_curve[0] )
new_srfc = ghc.BoundarySurfaces(inset_curve)
return new_srfc
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)
def _getz(obj):
geomlst = [x for n in obj for x in n]
te = ghc.BrepJoin(geomlst).breps
cnt = ghc.Area(te).centroid
return cnt.Z
def get_surface_area(_srfc):
return ghc.Area(_srfc.geometry)[0]
def find_reveal_shading(_phpp_window_obj, _shadingGeom, _extents=99):
WinCenter = ghc.Area(_phpp_window_obj.glazing_surface).centroid
edges = _phpp_window_obj._get_edges_in_order( _phpp_window_obj.glazing_surface )
surface_normal = _phpp_window_obj.surface_normal
#Create the Intersection Surface for each side
Side1_OriginPt = ghc.CurveMiddle( from_linesegment3d(edges.Left) )
Side1_NormalLine = ghc.LineSDL(Side1_OriginPt, surface_normal, _extents)
Side1_Direction = ghc.Vector2Pt(WinCenter, Side1_OriginPt, False).vector
Side1_HorizLine = ghc.LineSDL(Side1_OriginPt, Side1_Direction, _extents)
Side1_IntersectionSurface = ghc.SumSurface(Side1_NormalLine, Side1_HorizLine)
#Side2_OriginPt = SideMidPoints[1] #ghc.CurveMiddle(self.Edge_Left)
Side2_OriginPt = ghc.CurveMiddle( from_linesegment3d(edges.Right) )
Side2_NormalLine = ghc.LineSDL(Side2_OriginPt, surface_normal, _extents)
Side2_Direction = ghc.Vector2Pt(WinCenter, Side2_OriginPt, False).vector
Side2_HorizLine = ghc.LineSDL(Side2_OriginPt, Side2_Direction, _extents)
Side2_IntersectionSurface = ghc.SumSurface(Side2_NormalLine, Side2_HorizLine)
#Find any Shader Objects and put them all into a list
Side1_RevealShaderObjs = []
testStartPt = ghc.Move(WinCenter, ghc.Amplitude(surface_normal, 0.1)).geometry #Offsets the test line just a bit
Side1_TesterLine = ghc.LineSDL(testStartPt, Side1_Direction, _extents) #extend a line off to side 1
for i in range(len(_shadingGeom)):
if ghc.BrepXCurve(_shadingGeom[i],Side1_TesterLine).points != None:
Side1_RevealShaderObjs.append(_shadingGeom[i])
Side2_RevealShaderObjs = []
Side2_TesterLine = ghc.LineSDL(testStartPt, Side2_Direction, _extents) #extend a line off to side 2
for i in range(len(_shadingGeom)):
if ghc.BrepXCurve(_shadingGeom[i],Side2_TesterLine).points != None:
Side2_RevealShaderObjs.append(_shadingGeom[i])
#---------------------------------------------------------------------------
# Calc Shading reveal dims
NumShadedSides = 0
if len(Side1_RevealShaderObjs) != 0:
Side1_o_reveal = CalcRevealDims(_phpp_window_obj, Side1_RevealShaderObjs, Side1_IntersectionSurface, Side1_OriginPt, Side1_Direction)[0]
Side1_d_reveal = CalcRevealDims(_phpp_window_obj, Side1_RevealShaderObjs, Side1_IntersectionSurface, Side1_OriginPt, Side1_Direction)[1]
Side1_CheckLine = CalcRevealDims(_phpp_window_obj, Side1_RevealShaderObjs, Side1_IntersectionSurface, Side1_OriginPt, Side1_Direction)[2]
NumShadedSides = NumShadedSides + 1
else:
Side1_o_reveal = None
Side1_d_reveal = None
Side1_CheckLine = Side1_HorizLine
if len(Side2_RevealShaderObjs) != 0:
Side2_o_reveal = CalcRevealDims(_phpp_window_obj, Side2_RevealShaderObjs, Side2_IntersectionSurface, Side2_OriginPt, Side2_Direction)[0]
Side2_d_reveal = CalcRevealDims(_phpp_window_obj, Side2_RevealShaderObjs, Side2_IntersectionSurface, Side2_OriginPt, Side2_Direction)[1]
Side2_CheckLine = CalcRevealDims(_phpp_window_obj, Side2_RevealShaderObjs, Side2_IntersectionSurface, Side2_OriginPt, Side2_Direction)[2]
NumShadedSides = NumShadedSides + 1
else:
Side2_o_reveal = None
Side2_d_reveal = None
Side2_CheckLine = Side2_HorizLine
#
#
#
# TODO: how to handel asymetrical reveals????
o_reveal = Side1_o_reveal#(Side1_o_reveal + Side2_o_reveal )/ max(1,NumShadedSides)
d_reveal = Side1_d_reveal#(Side1_d_reveal + Side2_d_reveal )/ max(1,NumShadedSides)
#
#
#
#
#
return o_reveal, d_reveal, Side1_CheckLine, Side2_CheckLine
def find_overhang_shading(_phpp_window_obj, _shadingGeom, _extents=99):
# Figure out the glass surface (inset a bit) and then
# find the origin point for all the subsequent shading calcs (top, middle)
glzgCenter = ghc.Area(_phpp_window_obj.glazing_surface).centroid
glazingEdges = _phpp_window_obj._get_edges_in_order( _phpp_window_obj.glazing_surface )
glazingTopEdge = from_linesegment3d(glazingEdges.Top)
ShadingOrigin = ghc.CurveMiddle(glazingTopEdge)
# In order to also work for windows which are not vertical, find the
# 'direction' from the glazing origin and the top/middle ege point
UpVector = ghc.Vector2Pt(glzgCenter, ShadingOrigin, True).vector
#-----------------------------------------------------------------------
# First, need to filter the scene to find the objects that are 'above'
# the window. Create a 'test plane' that is _extents (99m) tall and 0.5m past the wall surface, test if
# any objects intersect that plane. If so, add them to the set of things
# test in the next step
depth = float(_phpp_window_obj.install_depth) + 0.5
edge1 = ghc.LineSDL(ShadingOrigin, UpVector, _extents)
edge2 = ghc.LineSDL(ShadingOrigin, _phpp_window_obj.surface_normal, depth)
intersectionTestPlane = ghc.SumSurface(edge1, edge2)
OverhangShadingObjs = (x for x in _shadingGeom
if ghc.BrepXBrep(intersectionTestPlane, x).curves != None)
#-----------------------------------------------------------------------
# Using the filtered set of shading objects, find the 'edges' of shading
# geom and then decide where the maximums shading point is
# Create a new 'test' plane coming off the origin (99m in both directions this time).
# Test to find any intersection shading objs and all their crvs/points with this plane
HorizontalLine = ghc.LineSDL(ShadingOrigin, _phpp_window_obj.surface_normal, _extents)
VerticalLine = ghc.LineSDL(ShadingOrigin, UpVector, _extents)
IntersectionSurface = ghc.SumSurface(HorizontalLine, VerticalLine)
IntersectionCurves = (ghc.BrepXBrep(obj, IntersectionSurface).curves
for obj in OverhangShadingObjs
if ghc.BrepXBrep(obj, IntersectionSurface).curves != None)
IntersectionPointsList = (ghc.ControlPoints(crv).points for crv in IntersectionCurves)
IntersectionPoints = (pt for list_of_pts in IntersectionPointsList for pt in list_of_pts)
#-----------------------------------------------------------------------
# If there are any intersection Points found, choose the right one to use to calc shading....
# Find the top/closets point for each of the objects that could possibly shade
smallest_angle_found = 2 * math.pi
key_point = None
for pt in IntersectionPoints:
if pt == None:
continue
# Protect against Zero-Length error
ray = ghc.Vector2Pt(ShadingOrigin, pt, False).vector
if ray.Length < 0.001:
continue
this_ray_angle = ghc.Angle(_phpp_window_obj.surface_normal , ray).angle
if this_ray_angle < 0.001:
continue
if this_ray_angle <= smallest_angle_found:
smallest_angle_found = this_ray_angle
key_point = pt
#-----------------------------------------------------------------------
# Use the 'key point' found to deliver the Height and Distance for the PHPP Shading Calculator
if not key_point:
d_over = None
o_over = None
CheckLine = VerticalLine
else:
d_over = key_point.Z - ShadingOrigin.Z # Vertical distance
Hypot = ghc.Length(ghc.Line(ShadingOrigin, key_point)) # Hypot
o_over = math.sqrt(Hypot**2 - d_over**2) # Horizontal distance
CheckLine = ghc.Line(ShadingOrigin, key_point)
return d_over, o_over, CheckLine
def brep_area(brep, plane):
""" Computes plane area of a brep"""
section_curve = ghc.BrepXPlane(brep,plane)[0]
area = ghc.Area(section_curve)[0]
return area
