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ladybugeto.py
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ladybugeto.py
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#---------------------------------------------------------------------------
#Ladybug methods called from Eto controls
#---------------------------------------------------------------------------
import Rhino as rc
import rhinoscriptsyntax as rs
import scriptcontext as sc
from itertools import chain
import System.Threading.Tasks as tasks
try:
from honeybee.radiance.analysisgrid import AnalysisGrid
from honeybee.radiance.recipe.solaraccess.gridbased import SolarAccessGridBased
from honeybee.hbsurface import HBSurface
from honeybee.hbfensurface import HBFenSurface
from honeybee.radiance.properties import RadianceProperties
from honeybee.radiance.material.plastic import Plastic
from honeybee.radiance.material.glass import Glass
except ImportError as e:
raise ImportError('\nFailed to import honeybee:\n\t{}'.format(e))
#loading instances from sticky (comming from somewhere in the Ladybug cosmos)
try:
lb_preparation = sc.sticky["ladybug_Preparation"]()
lb_visualization = sc.sticky["ladybug_ResultVisualization"]()
except Exception as e:
raise Exception('\nFailed to import ladybug_ladybug objects:\n\t{}'.format(e))
class LadybugEto(object):
@staticmethod
def createMesh(brep, gridSize):
## mesh breps
def makeMeshFromSrf(i, inputBrep):
try:
mesh[i] = rc.Geometry.Mesh.CreateFromBrep(inputBrep, meshParam)[0]
inputBrep.Dispose()
except:
print 'Error in converting Brep to Mesh...'
pass
# prepare bulk list for each surface
mesh = [None] * len(brep)
# set-up mesh parameters for each surface based on surface size
meshParam = rc.Geometry.MeshingParameters.Default
meshParam.MaximumEdgeLength = gridSize
meshParam.MinimumEdgeLength = gridSize
meshParam.GridAspectRatio = 1
for i in range(len(mesh)): makeMeshFromSrf(i, brep[i])
return mesh
@staticmethod
def getTestPts(inputMesh, movingDis, moveTestMesh= False, parallel = True):
# preparing bulk lists
testPoint = [[]] * len(inputMesh)
srfNormals = [[]] * len(inputMesh)
meshSrfCen = [[]] * len(inputMesh)
meshSrfArea = [[]] * len(inputMesh)
srfCount = 0
for srf in inputMesh:
testPoint[srfCount] = range(srf.Faces.Count)
srfNormals[srfCount] = range(srf.Faces.Count)
meshSrfCen[srfCount] = range(srf.Faces.Count)
meshSrfArea[srfCount] = range(srf.Faces.Count)
srfCount += 1
try:
def srfPtCalculator(i):
# calculate face normals
inputMesh[i].FaceNormals.ComputeFaceNormals()
inputMesh[i].FaceNormals.UnitizeFaceNormals()
for face in range(inputMesh[i].Faces.Count):
srfNormals[i][face] = (inputMesh[i].FaceNormals)[face] # store face normals
meshSrfCen[i][face] = inputMesh[i].Faces.GetFaceCenter(face) # store face centers
# calculate test points
if srfNormals[i][face]:
movingVec = rc.Geometry.Vector3f.Multiply(movingDis,srfNormals[i][face])
testPoint[i][face] = rc.Geometry.Point3d.Add(rc.Geometry.Point3d(meshSrfCen[i][face]), movingVec)
# make mesh surface, calculate the area, dispose the mesh and mass area calculation
tempMesh = rc.Geometry.Mesh()
tempMesh.Vertices.Add(inputMesh[i].Vertices[inputMesh[i].Faces[face].A]) #0
tempMesh.Vertices.Add(inputMesh[i].Vertices[inputMesh[i].Faces[face].B]) #1
tempMesh.Vertices.Add(inputMesh[i].Vertices[inputMesh[i].Faces[face].C]) #2
tempMesh.Vertices.Add(inputMesh[i].Vertices[inputMesh[i].Faces[face].D]) #3
tempMesh.Faces.AddFace(0, 1, 3, 2)
massData = rc.Geometry.AreaMassProperties.Compute(tempMesh)
meshSrfArea[i][face] = massData.Area
massData.Dispose()
tempMesh.Dispose()
except:
print 'Error in Extracting Test Points'
pass
# calling the function
if parallel:
tasks.Parallel.ForEach(range(len(inputMesh)),srfPtCalculator)
else:
for i in range(len(inputMesh)):
srfPtCalculator(i)
if moveTestMesh:
# find surfaces based on first normal in srfNormals
#- It is a simplification we can write a better function for this later
for meshCount, mesh in enumerate(inputMesh):
vector = srfNormals[meshCount][0]
vector.Unitize()
vector = rc.Geometry.Vector3d.Multiply(movingDis, vector)
mesh.Translate(vector.X, vector.Y, vector.Z)
def flattenList(l):return list(chain.from_iterable(l))
return flattenList(testPoint), flattenList(srfNormals), flattenList(meshSrfArea), inputMesh
#Bake sun path objects to scene
@staticmethod
def bakeGeo(geo_list, layer):
rs.EnableRedraw(False)
prev_doc = sc.doc
sc.doc = rc.RhinoDoc.ActiveDoc
if "SavedGeo"+layer not in sc.sticky: sc.sticky["SavedGeo"+layer] = []
# delete previous objects from scene
for obj in sc.sticky["SavedGeo"+layer]:
rs.DeleteObject(obj)
currLayer = rs.CurrentLayer()
rs.AddLayer(layer)
rs.CurrentLayer(layer)
#add new objects to scene
massingObjects = []
for geo in geo_list :
#print geo.GetType()
if geo.GetType() == rc.Geometry.Curve:
objDoc = sc.doc.Objects.AddCurve(geo)
if geo.GetType() == rc.Geometry.NurbsCurve:
objDoc = sc.doc.Objects.AddCurve(geo)
elif geo.GetType() == rc.Geometry.Point3d:
objDoc = sc.doc.Objects.AddPoint(geo)
elif geo.GetType() == rc.Geometry.Circle:
objDoc = sc.doc.Objects.AddCircle(geo)
elif geo.GetType() == rc.Geometry.Arc:
objDoc = sc.doc.Objects.AddArc(geo)
elif geo.GetType() == rc.Geometry.Mesh:
objDoc = sc.doc.Objects.AddMesh(geo)
else:
continue
massingObjects += [rs.coerceguid(objDoc)]
#store objects in sticky for deletion
sc.sticky["SavedGeo"+layer] = massingObjects
rs.CurrentLayer(currLayer)
sc.doc = prev_doc
rs.EnableRedraw(True)
@staticmethod
def create_opaque_material(name='default', reflect=0, spec=0, rough=0):
material = Plastic.by_single_reflect_value(name, reflect, spec, rough)
return material
@staticmethod
def create_glass_material(name='default', tVis=0.6):
material = Glass.by_single_trans_value(name, tVis)
return material
#sun light hours analysis
@staticmethod
def generateAnalysis(test_points,
pts_vectors,
name,
window_groups,
sun_vectors,
hoys,
timestep,
hb_object_ids,
hb_object_types,
hb_object_mats,
folder,
filename,
save_file_only,
grid_mesh):
try:
analysis_grids = AnalysisGrid.from_points_and_vectors(
test_points,
pts_vectors,
name,
window_groups)
#get analysis recipe
analysis_recipe = None
if sun_vectors and sun_vectors[0] != None and \
hoys and hoys[0] != None and analysis_grids:
# set a sunlight hours analysis recipe together if there are points
analysis_recipe = SolarAccessGridBased(
sun_vectors, hoys, [analysis_grids], timestep)
else:
print "missing sun vector data"
return
#HB surfaces
#convert scene hb objects into rhino common
geo_list = []
for id in hb_object_ids:
if rs.IsBrep(id):
geo_list += [rc.DocObjects.ObjRef(id).Brep()]
elif rs.IsMesh(id):
geo_list += [rc.DocObjects.ObjRef(id).Mesh()]
else:
continue
#preapre paramters
if len(geo_list)!=0 and geo_list[0]!=None:
names = None #not included yet in eto interface (could use scene object name)
hb_objects = []
for index, geo in enumerate(geo_list):
type = hb_object_types[index]
radMat = hb_object_mats[index]
isNameSetByUser = False
if names:
isNameSetByUser = True
isTypeSetByUser = True
if not type:
isTypeSetByUser = False
rad_prop = RadianceProperties(radMat) if radMat else RadianceProperties()
ep_prop = None
if radMat and radMat.__class__.__name__ == 'Plastic':
hb_objects += HBSurface.from_geometry(names, geo, type, isNameSetByUser,
isTypeSetByUser, rad_prop, ep_prop)
elif radMat and radMat.__class__.__name__ == 'Glass':
hb_objects += HBFenSurface.from_geometry(names, geo, isNameSetByUser,
rad_prop, ep_prop)
else:
print "No valid HB surfaces selected"
return
# Run analysis
rad_scene = None
if not hb_objects or not analysis_recipe:
print "Missing HB objects or analysis recipe"
return
try:
for obj in hb_objects:
assert hasattr(obj, 'isHBObject')
except AssertionError:
raise ValueError("\n{} is not a valid Honeybee object.".format(obj))
assert hasattr(analysis_recipe, 'isAnalysisRecipe'), \
ValueError("\n{} is not a Honeybee recipe.".format(analysis_recipe))
legend_par = analysis_recipe.legend_parameters
#write to file
# Add Honeybee objects to the recipe
analysis_recipe.hb_objects = hb_objects
analysis_recipe.scene = rad_scene
batch_file = analysis_recipe.write(folder, filename)
#run if 'save file only' is not checked
outputs = None
if not save_file_only:
if analysis_recipe.run(batch_file, False):
try:
outputs = analysis_recipe.results()
except StopIteration:
raise ValueError(
'Length of the results is smaller than the analysis grids '
'point count [{}]. In case you have changed the analysis'
' Grid you must re-calculate daylight/view matrix!'
.format(analysis_recipe.total_point_count)
)
if outputs:
LadybugEto.displayAnalysis(grid_mesh, outputs, legend_par, filename)
except Exception as e:
print e
@staticmethod
def displayAnalysis(input_mesh, analysis_output, legend_par, filename):
#get total analysis values
modes = {'total':0, 'direct':1, 'diffuse':2}
analysis_result = list(LadybugEto.generateAnalysisGridValues(analysis_output[0], modes['total']))
global lb_preparation
global lb_visualization
if lb_visualization and input_mesh and len(analysis_result)!=0:
result = LadybugEto.generateDisplay(analysis_result, input_mesh[0],
None, [], None, None,
1, 'sunlighthours_'+filename, None, None,
lb_preparation, lb_visualization)
if result!= -1:
newLegend= []
newMesh = result[0]
[newLegend.append(item) for item in lb_visualization.openLegend(result[1])]
legendBasePt = result[2]
meshColors = result[3]
legendColors = result[4]
@staticmethod
def generateDisplay(analysisResult, inputMesh, heightDomain, legendPar,
analysisTitle, legendTitle, bakeIt, layerName, lowBoundColor,
highBoundColor, lb_preparation, lb_visualization):
conversionFac = lb_preparation.checkUnits()
if inputMesh.Faces.Count == len(analysisResult):
meshStruct = 0
elif inputMesh.Vertices.Count == len(analysisResult):
meshStruct = 1
else:
warning = 'length of the results [=' + str(len(analysisResult)) + \
'] is not equal to the number of mesh faces [=' + \
str(inputMesh.Faces.Count) + '] or mesh vertices[=' + \
str(inputMesh.Vertices.Count) + '].'
print warning
return -1
lowB, highB, numSeg, customColors, legendBasePoint, legendScale, \
legendFont, legendFontSize, legendBold, decimalPlaces, removeLessThan = \
lb_preparation.readLegendParameters(legendPar, False)
colors = lb_visualization.gradientColor(
analysisResult, lowB, highB, customColors,lowBoundColor,highBoundColor)
coloredChart = lb_visualization.colorMesh(colors, inputMesh, True, meshStruct)
if heightDomain!=None:
coloredChart = lb_visualization.create3DColoredMesh(coloredChart,
analysisResult, heightDomain, colors, meshStruct)
lb_visualization.calculateBB([coloredChart], True)
if not legendTitle: legendTitle = 'unknown units '
if not analysisTitle: analysisTitle = '\nno title'
legendSrfs, legendText, legendTextCrv, textPt, textSize = \
lb_visualization.createLegend(analysisResult
, lowB, highB, numSeg, legendTitle, lb_visualization.BoundingBoxPar
, legendBasePoint, legendScale
, legendFont, legendFontSize, legendBold, decimalPlaces, removeLessThan)
# generate legend colors
legendColors = lb_visualization.gradientColor(legendText[:-1], lowB, highB,
customColors,lowBoundColor,
highBoundColor)
# color legend surfaces
legendSrfs = lb_visualization.colorMesh(legendColors, legendSrfs)
titlebasePt = lb_visualization.BoundingBoxPar[-2]
if legendFont == None: legendFont = 'Veranda'
if legendFontSize == None:
legendFontSize = legendScale * (lb_visualization.BoundingBoxPar[2]/20)
titleTextCurve = lb_visualization.text2srf(["\n\n" + analysisTitle],
[titlebasePt], legendFont,
legendFontSize, legendBold)
if legendBasePoint == None:
legendBasePoint = lb_visualization.BoundingBoxPar[0]
if bakeIt > 0:
formatString = "%."+str(decimalPlaces)+"f"
for count, item in enumerate(legendText):
try:
legendText[count] = formatString % item
except:pass
legendText.append(analysisTitle)
textPt.append(titlebasePt)
studyLayerName = 'CUSTOM_PRESENTATION'
if layerName == None: layerName = 'Custom'
# bake study objects
newLayerIndex, l = lb_visualization.setupLayers(
'Modified Version', 'LADYBUG', layerName, studyLayerName)
if bakeIt == 1:
lb_visualization.bakeObjects(
newLayerIndex, coloredChart, legendSrfs, legendText, textPt,
textSize, legendFont, None, decimalPlaces, True)
else:
lb_visualization.bakeObjects(newLayerIndex, coloredChart,
legendSrfs, legendText, textPt, textSize, legendFont,
None, decimalPlaces, False)
#turn on layers (they are off out of bakeObjects method)
layer = rc.RhinoDoc.ActiveDoc.Layers.FindIndex(newLayerIndex)
parentIndex = rc.RhinoDoc.ActiveDoc.Layers.Find(layer.ParentLayerId, True)
parentLayer = rc.RhinoDoc.ActiveDoc.Layers.FindIndex(parentIndex)
parentLayer.IsVisible = True
layer.IsVisible = True
#save the layer on sticky for reference on sunlighthours
sc.sticky['Eto_DisplayLayerIndex'] = newLayerIndex
return_data = [coloredChart,
[legendSrfs, lb_preparation.flattenList(legendTextCrv + titleTextCurve)],
legendBasePoint, colors, legendColors]
return return_data
@staticmethod
def generateAnalysisGridValues(_analysisGrid, mode):
if _analysisGrid:
_modes = ('total', 'direct', 'diffuse')
hoys_ = _analysisGrid.hoys
blindStates_ = []
assert mode < 3, '_mode_ can only be 0: total, 1: direct or 2: sky.'
states = _analysisGrid.parse_blind_states(blindStates_)
print('Loading sum of {} values.'.format(_modes[mode]))
if mode < 2:
return (v[mode] for v in
_analysisGrid.sum_values_by_id(hoys_, blinds_state_ids=states))
else:
cValues = _analysisGrid.sum_values_by_id(hoys_, blinds_state_ids=states)
return (v[0] - v[1] for v in cValues)