def calcSkyVector(skyDescr,
epwFile=None,
skyFile=None,
reuse=True,
skyVectorParam=None):
assert epwFile or skyFile,\
'Either an epwFile or a skyFile need to be provided for the skyVector to' \
'be calculated.'
if epwFile and os.path.exists(epwFile):
epwName = os.path.split(epwFile)[1]
skyMtxName = os.path.splitext(epwName)[0] + '%s.smx' % skyDescr
weaName = os.path.splitext(epwFile)[0] + '.wea'
if os.path.exists(skyMtxName) and reuse:
return skyMtxName
weaFile = Epw2wea(epwFile=epwFile, outputWeaFile=weaName)
weaFile.execute()
if skyVectorParam:
assert isinstance(skyVectorParam, GendaymtxParameters),\
'The input for skyVectorParam must be an instance of GendaymtxParameters.'
gendayParam = skyVectorParam
else:
gendayParam = GendaymtxParameters()
gendayParam.skyDensity = skyDescr
genday = Gendaymtx(weaFile=weaName, outputName=skyMtxName)
genday.gendaymtxParameters = skyVectorParam
genday.execute()
return skyMtxName
elif skyFile and os.path.exists(skyFile):
skyMtxName = os.path.splitext(skyFile)[0] + '%s.smx' % skyDescr
if os.path.exists(skyMtxName) and reuse:
return skyMtxName
genskv = Genskyvec()
genskv.inputSkyFile = skyFile
genskv.skySubdivision = skyDescr
genskv.outputFile = skyMtxName
genskv.execute()
return skyMtxName
else:
raise Exception(
'The input path for the skyFile or epwFile are not valid.')
def run3phase(phasesToCalculate={'v': True, 't': True, 'd': True, 's': True},
calculationType='annual', epwFile=None, tmatrixFile=None):
if phasesToCalculate['v']:
# Step1: Create the view matrix.
rfluxPara = RfluxmtxParameters()
rfluxPara.irradianceCalc = True
rfluxPara.ambientAccuracy = 0.1
rfluxPara.ambientBounces = 10
rfluxPara.ambientDivisions = 65536
rfluxPara.limitWeight = 1E-5
# step 1.1 Invert glazing surface with xform so that it faces inwards
xfrPara = XformParameters()
xfrPara.invertSurfaces = True
xfr = Xform()
xfr.xformParameters = xfrPara
xfr.radFile = 'glazing.rad'
xfr.outputFile = 'glazingI.rad'
xfr.execute()
rflux = Rfluxmtx()
rflux.sender = '-'
# This needs to be automated based on the normal of each window.
# Klems full basis sampling and the window faces +Y
recCtrlPar = rflux.ControlParameters(hemiType='kf', hemiUpDirection='+Z')
rflux.receiverFile = rflux.addControlParameters('glazingI.rad',
{'Exterior_Window': recCtrlPar})
rflux.rfluxmtxParameters = rfluxPara
rflux.pointsFile = 'indoor_points.pts'
rflux.outputMatrix = r'temp/vmatrix.vmx'
rflux.radFiles = ['room.mat', 'room.rad']
rflux.execute()
vMatrix = r'temp/vmatrix.vmx'
# Step2: Assign T matrix from precalculated XML files.
tMatrix = tmatrixFile or r'xmls/clear.xml'
if phasesToCalculate['d']:
# Step3: Create D matrix.
rfluxPara = RfluxmtxParameters()
rfluxPara.ambientAccuracy = 0.1
rfluxPara.ambientDivisions = 1024
rfluxPara.ambientBounces = 2
rfluxPara.limitWeight = 0.0000001
rflux2 = Rfluxmtx()
rflux2.samplingRaysCount = 1000
rflux2.sender = 'glazingI_m.rad'
skyFile = rflux2.defaultSkyGround(r'temp/rfluxSky.rad', skyType='r1')
rflux2.receiverFile = skyFile
rflux2.rfluxmtxParameters = rfluxPara
rflux2.radFiles = [r"room.mat",
r"room.rad"]
rflux2.outputMatrix = r"temp/dmatrix.dmx"
rflux2.execute()
dMatrix = r"temp/dmatrix.dmx"
# Step4a: Create the sky vector.
# Step4a.1: Create a sky defintion
# Step s: Creating the sky matrix
if phasesToCalculate['s']:
if calculationType == 'annual':
weaFile = Epw2wea(epwFile=epwFile or 'test.epw', outputWeaFile=r'temp/test.wea')
weaFile.execute()
gendayParam = GendaymtxParameters()
gendayParam.skyDensity = 1
genday = Gendaymtx(weaFile=r'temp/test.wea', outputName=r'temp/day.smx')
genday.gendaymtxParameters = gendayParam
genday.execute()
skyVector = r'temp/day.smx'
else:
gensk = Gensky()
gensk.monthDayHour = (11, 11, 11)
gensk.outputFile = 'temp/sky.rad'
# gensk.execute()
genskv = Genskyvec()
genskv.inputSkyFile = r'temp/sky.rad'
genskv.outputFile = r'temp/sky.vec'
genskv.skySubdivision = 1
genskv.execute()
skyVector = r'temp/sky.vec'
else:
skyVector = r'temp/sky.vec'
# Step5: Generate results
dct = Dctimestep()
dct.tmatrixFile = tMatrix
dct.vmatrixSpec = vMatrix
dct.dmatrixFile = dMatrix
dct.skyVectorFile = skyVector
dct.outputFileName = r'temp/results3p.tmp'
dct.execute()
mtx2Param = RmtxopParameters()
mtx2Param.outputFormat = 'a'
mtx2Param.combineValues = (47.4, 119.9, 11.6)
mtx2Param.transposeMatrix = True
mtx2 = Rmtxop(matrixFiles=[r'temp/results3p.tmp'], outputFile=r'temp/illuminance3p.ill')
mtx2.rmtxopParameters = mtx2Param
mtx2.execute()
return 'temp/illuminance3p.ill'
def improvedDCcalc(epwFile,
materialFile,
geometryFiles,
pointsFile,
folderForCalculations,
outputIllFilePath,
reinhartPatches=1,
calcDict={
'skyVectors': True,
'DirectDCCoeff': True,
'DCCoeff': True,
'DirectSun': True
}):
"""
Args:
epwFile: Epw file path.
materialFile: Path for a single material file.
geometryFiles: One or more geometry files.
pointsFile: Path for poitns file
folderForCalculations: Folder for storing intermediate files.
outputIllFilePath:
reinhartPatches: Default is 1.
calcDict: This is useful for selectively running different parts of the simulation.
Returns:
"""
#a sad logging hack
statusMsg = lambda msg: "\n%s:%s\n%s\n" % (time.ctime(), msg, "*~" * 25)
weaFilePath = os.path.join(
folderForCalculations,
os.path.splitext(os.path.split(epwFile)[1])[0] + '.wea')
weaFile = Epw2wea(epwFile=epwFile, outputWeaFile=weaFilePath)
weaFile.execute()
#Calculate complete sky matrix.
skyMatrix = os.path.join(folderForCalculations, 'skyMatrix.mtx')
gendayParam = GendaymtxParameters()
gendayParam.skyDensity = reinhartPatches
genday = Gendaymtx(weaFile=weaFilePath, outputName=skyMatrix)
genday.gendaymtxParameters = gendayParam
if calcDict['skyVectors']:
print(genday.toRadString())
genday.execute()
#Calculate direct only matrix.
skyMatrixDirect = os.path.join(folderForCalculations,
'skyMatrixDirect.mtx')
gendayParam = GendaymtxParameters()
gendayParam.skyDensity = reinhartPatches
gendayParam.onlyDirect = True
genday = Gendaymtx(weaFile=weaFilePath, outputName=skyMatrixDirect)
genday.gendaymtxParameters = gendayParam
if calcDict['skyVectors']:
print(genday.toRadString())
genday.execute()
skyDomeFile = os.path.join(folderForCalculations, 'rfluxSky.rad')
dcCoeffMatrix = os.path.join(folderForCalculations, 'dc.mtx')
dcCoeffMatrixDirect = os.path.join(folderForCalculations, 'dcDirect.mtx')
sceneData = [materialFile]
#Append if single, extend if multiple
if isinstance(geometryFiles, basestring):
sceneData.append(geometryFiles)
elif isinstance(geometryFiles, (tuple, list)):
sceneData.extend(geometryFiles)
# Step2: Generate daylight coefficients for normal sky-matrix using rfluxmtx.
rfluxPara = RfluxmtxParameters()
rfluxPara.irradianceCalc = True
rfluxPara.ambientAccuracy = 0.1
rfluxPara.ambientDivisions = 20000
rfluxPara.ambientBounces = 5
rfluxPara.limitWeight = 1E-7
rfluxPara.ambientResolution = 10000
rflux = Rfluxmtx()
rflux.sender = '-'
skyFile = rflux.defaultSkyGround(skyDomeFile,
skyType='r%s' % reinhartPatches)
rflux.receiverFile = skyDomeFile
rflux.rfluxmtxParameters = rfluxPara
rflux.radFiles = sceneData
rflux.samplingRaysCount = 1
rflux.pointsFile = pointsFile
rflux.outputMatrix = dcCoeffMatrix
if calcDict['DCCoeff']:
rflux.execute()
tempIll = os.path.join(folderForCalculations, 'temp.ill')
ill = os.path.join(folderForCalculations, 'Illuminance.ill')
dct = Dctimestep()
dct.daylightCoeffSpec = dcCoeffMatrix
dct.skyVectorFile = skyMatrix
dct.outputFile = tempIll
if calcDict['DCCoeff']:
dct.execute()
mtx2Param = RmtxopParameters()
mtx2Param.outputFormat = 'a'
mtx2Param.combineValues = (47.4, 119.9, 11.6)
mtx2Param.transposeMatrix = True
mtx2 = Rmtxop(matrixFiles=[tempIll], outputFile=ill)
mtx2.rmtxopParameters = mtx2Param
if calcDict['DCCoeff']:
mtx2.execute()
# Step3: Generate direct daylight coefficients for normal sky-matrix using rfluxmtx.
rfluxPara = RfluxmtxParameters()
rfluxPara.irradianceCalc = True
rfluxPara.ambientAccuracy = 0.01
rfluxPara.ambientDivisions = 20000
rfluxPara.ambientBounces = 1
rfluxPara.limitWeight = 1E-7
rfluxPara.ambientResolution = 10000
rflux = Rfluxmtx()
rflux.sender = '-'
skyFile = rflux.defaultSkyGround(skyDomeFile,
skyType='r%s' % reinhartPatches)
rflux.receiverFile = skyDomeFile
rflux.rfluxmtxParameters = rfluxPara
rflux.radFiles = sceneData
rflux.samplingRaysCount = 1
rflux.pointsFile = pointsFile
rflux.outputMatrix = dcCoeffMatrixDirect
if calcDict['DirectDCCoeff']:
rflux.execute()
tempDirectIll = os.path.join(folderForCalculations, 'tempDirect.ill')
illDirect = os.path.join(folderForCalculations, 'IlluminanceDirect.ill')
dct = Dctimestep()
dct.daylightCoeffSpec = dcCoeffMatrixDirect
dct.skyVectorFile = skyMatrixDirect
dct.outputFile = tempDirectIll
if calcDict['DCCoeff']:
dct.execute()
mtx2Param = RmtxopParameters()
mtx2Param.outputFormat = 'a'
mtx2Param.combineValues = (47.4, 119.9, 11.6)
mtx2Param.transposeMatrix = True
mtx2 = Rmtxop(matrixFiles=[tempDirectIll], outputFile=illDirect)
mtx2.rmtxopParameters = mtx2Param
if calcDict['DirectDCCoeff']:
mtx2.execute()
solarDiscPath = os.path.join(folderForCalculations, 'solarDiscs.rad')
sunListPath = os.path.join(folderForCalculations, 'sunList.txt')
sunMatrixPath = os.path.join(folderForCalculations, 'sunMatrix.mtx')
#Calculate direct only ill files.
directSunIll = os.path.join(folderForCalculations, 'directSunIll.ill')
if calcDict['DirectSun']:
sunOnlyIll = calcDirectIlluminance(
epwFile=epwFile,
solarDiscPath=solarDiscPath,
sunListPath=sunListPath,
sunMatrixPath=sunMatrixPath,
materialFile=materialFile,
geometryFiles=geometryFiles,
pointsFile=pointsFile,
folderForCalculations=folderForCalculations,
outputIllFilePath=directSunIll)
#Instantiate matrices for subtraction and addition.
finalMatrix = Rmtxop()
#std. dc matrix.
dcMatrix = RmtxopMatrix()
dcMatrix.matrixFile = ill
#direct dc matrix. -1 indicates that this one is being subtracted from dc matrix.
dcDirectMatrix = RmtxopMatrix()
dcDirectMatrix.matrixFile = illDirect
dcDirectMatrix.scalarFactors = [-1]
#Sun coefficient matrix.
sunCoeffMatrix = RmtxopMatrix()
sunCoeffMatrix.matrixFile = directSunIll
#combine the matrices together. Sequence is extremely important
finalMatrix.rmtxopMatrices = [dcMatrix, dcDirectMatrix, sunCoeffMatrix]
finalMatrix.outputFile = outputIllFilePath
#Done!
finalMatrix.execute()
return outputIllFilePath
def improvedDCcalc(epwFile,
materialFile,
geometryFiles,
pointsFile,
folderForCalculations,
outputIllFilePath,
glazingGeometry=None,
reinhartPatches=1,
ambBounces=5,
ambDiv=5000,
limitWt=0.0002,
calcDict={
'skyVectors': True,
'DirectDCCoeff': True,
'DCCoeff': True,
'DirectSun': True
},
cleanUpTempFiles=True):
"""
Args:
epwFile: Epw file path.
materialFile: Path for a single material file.
geometryFiles: One or more geometry files.
pointsFile: Path for poitns file
folderForCalculations: Folder for storing intermediate files.
outputIllFilePath:
reinhartPatches: Default is 1.
calcDict: This is useful for selectively running different parts of the
simulation.
ambBounces: Ambient bounces. Defaults to 5
ambDiv: Ambient divisions. Defaults to 5000.
limitWt: Limit weight. Defaults to 0.0002
cleanUpTempFiles: Delete all the temporary files that were created during the
calculations.
Returns: The path of the illuminance file generated through the calculations.
"""
# a sad logging hack
statusMsg = lambda msg: "\n%s:%s\n%s\n" % (time.ctime(), msg, "*~" * 25)
blackMaterial = "void plastic black 0 0 5 0 0 0 0 0"
if limitWt > (1 / ambDiv):
warnings.warn(
"The value for limitWt(%s) should be set to a value equal to or "
"less (%s) which is 1/ambDiv(%s)" % (limitWt, 1 / ambDiv, ambDiv))
# crate a tempfolder inside the folderForCalculations.
tmpFolder = os.path.join(folderForCalculations, 'tmp')
if not os.path.exists(tmpFolder):
os.mkdir(tmpFolder)
weaFilePath = os.path.join(
tmpFolder,
os.path.splitext(os.path.split(epwFile)[1])[0] + '.wea')
weaFile = Epw2wea(epwFile=epwFile, outputWeaFile=weaFilePath)
weaFile.execute()
# Calculate complete sky matrix.
skyMatrix = os.path.join(tmpFolder, 'skyMatrix.mtx')
gendayParam = GendaymtxParameters()
gendayParam.skyDensity = reinhartPatches
genday = Gendaymtx(weaFile=weaFilePath, outputName=skyMatrix)
genday.gendaymtxParameters = gendayParam
if calcDict['skyVectors']:
print(genday.toRadString())
genday.execute()
# Calculate direct only matrix.
skyMatrixDirect = os.path.join(tmpFolder, 'skyMatrixDirect.mtx')
gendayParam = GendaymtxParameters()
gendayParam.skyDensity = reinhartPatches
gendayParam.onlyDirect = True
genday = Gendaymtx(weaFile=weaFilePath, outputName=skyMatrixDirect)
genday.gendaymtxParameters = gendayParam
if calcDict['skyVectors']:
print(genday.toRadString())
genday.execute()
skyDomeFile = os.path.join(tmpFolder, 'rfluxSky.rad')
dcCoeffMatrix = os.path.join(tmpFolder, 'dc.mtx')
dcCoeffMatrixDirect = os.path.join(tmpFolder, 'dcDirect.mtx')
blackMaterial = os.path.join(tmpFolder, 'black.mat')
with open(blackMaterial, 'w') as blackMat:
blackMat.write("void plastic black 0 0 5 0 0 0 0 0")
sceneData = [materialFile]
sceneDataBlack = [blackMaterial]
geometryData = []
# Append if single, extend if multiple
if isinstance(geometryFiles, basestring):
geometryData.append(geometryFiles)
elif isinstance(geometryFiles, (tuple, list)):
geometryData.extend(geometryFiles)
sceneData = sceneData + geometryData
xfrPara = XformParameters()
xfrPara.modReplace = 'black'
# Note: Xform has this thing it only works well if the paths are absolute.
blackGeometry = os.path.join(tmpFolder, 'blackGeometry.rad')
xfr = Xform()
xfr.xformParameters = xfrPara
xfr.radFile = geometryData
xfr.outputFile = blackGeometry
xfr.execute()
# Material file added in the end with the assumption that the material props for the
# glazing are defined in the material file. As Radiance parses scene data in a
# strictly linear fashion, even if the material for glazing is defined inside
# the glazing geometry, it will still be fine.
sceneDataBlack = sceneDataBlack + [blackGeometry] + [materialFile]
if isinstance(glazingGeometry, basestring):
sceneData.append(glazingGeometry)
sceneDataBlack.append(glazingGeometry)
elif isinstance(glazingGeometry, (tuple, list)):
sceneData.extend(glazingGeometry)
sceneDataBlack.extend(glazingGeometry)
# Step2: Generate daylight coefficients for normal sky-matrix using rfluxmtx.
rfluxPara = RfluxmtxParameters()
rfluxPara.irradianceCalc = True
rfluxPara.ambientDivisions = ambDiv
rfluxPara.ambientBounces = ambBounces
rfluxPara.limitWeight = limitWt
rflux = Rfluxmtx()
rflux.sender = '-'
skyFile = rflux.defaultSkyGround(skyDomeFile,
skyType='r%s' % reinhartPatches)
rflux.receiverFile = skyDomeFile
rflux.rfluxmtxParameters = rfluxPara
rflux.radFiles = sceneData
rflux.samplingRaysCount = 1
rflux.pointsFile = pointsFile
rflux.outputMatrix = dcCoeffMatrix
if calcDict['DCCoeff']:
print(rflux.toRadString())
rflux.execute()
tempIll = os.path.join(tmpFolder, 'temp.ill')
ill = os.path.join(tmpFolder, 'Illuminance.ill')
dct = Dctimestep()
dct.daylightCoeffSpec = dcCoeffMatrix
dct.skyVectorFile = skyMatrix
dct.outputFile = tempIll
if calcDict['DCCoeff']:
print(dct.toRadString())
dct.execute()
mtx2Param = RmtxopParameters()
mtx2Param.outputFormat = 'a'
mtx2Param.combineValues = (47.4, 119.9, 11.6)
mtx2Param.transposeMatrix = True
mtx2 = Rmtxop(matrixFiles=[tempIll], outputFile=ill)
mtx2.rmtxopParameters = mtx2Param
if calcDict['DCCoeff']:
mtx2.execute()
# Step3: Generate direct daylight coefficients for normal sky-matrix using rfluxmtx.
rfluxPara = RfluxmtxParameters()
rfluxPara.irradianceCalc = True
rfluxPara.ambientDivisions = ambDiv
rfluxPara.ambientBounces = 1
rfluxPara.limitWeight = limitWt
rflux = Rfluxmtx()
rflux.sender = '-'
skyFile = rflux.defaultSkyGround(skyDomeFile,
skyType='r%s' % reinhartPatches)
rflux.receiverFile = skyDomeFile
rflux.rfluxmtxParameters = rfluxPara
rflux.radFiles = sceneDataBlack
rflux.samplingRaysCount = 1
rflux.pointsFile = pointsFile
rflux.outputMatrix = dcCoeffMatrixDirect
if calcDict['DirectDCCoeff']:
rflux.execute()
tempDirectIll = os.path.join(tmpFolder, 'tempDirect.ill')
illDirect = os.path.join(tmpFolder, 'IlluminanceDirect.ill')
dct = Dctimestep()
dct.daylightCoeffSpec = dcCoeffMatrixDirect
dct.skyVectorFile = skyMatrixDirect
dct.outputFile = tempDirectIll
if calcDict['DCCoeff']:
dct.execute()
mtx2Param = RmtxopParameters()
mtx2Param.outputFormat = 'a'
mtx2Param.combineValues = (47.4, 119.9, 11.6)
mtx2Param.transposeMatrix = True
mtx2 = Rmtxop(matrixFiles=[tempDirectIll], outputFile=illDirect)
mtx2.rmtxopParameters = mtx2Param
if calcDict['DirectDCCoeff']:
mtx2.execute()
solarDiscPath = os.path.join(tmpFolder, 'solarDiscs.rad')
sunListPath = os.path.join(tmpFolder, 'sunList.txt')
sunMatrixPath = os.path.join(tmpFolder, 'sunMatrix.mtx')
# Calculate direct only ill files.
directSunIll = os.path.join(tmpFolder, 'directSunIll.ill')
if calcDict['DirectSun']:
calcDirectIlluminance(epwFile=epwFile,
solarDiscPath=solarDiscPath,
sunListPath=sunListPath,
sunMatrixPath=sunMatrixPath,
materialFile=blackMaterial,
geometryFiles=sceneDataBlack,
pointsFile=pointsFile,
folderForCalculations=folderForCalculations,
outputIllFilePath=directSunIll)
# Instantiate matrices for subtraction and addition.
finalMatrix = Rmtxop()
# std. dc matrix.
dcMatrix = RmtxopMatrix()
dcMatrix.matrixFile = ill
# direct dc matrix. -1 indicates that this one is being subtracted from dc matrix.
dcDirectMatrix = RmtxopMatrix()
dcDirectMatrix.matrixFile = illDirect
dcDirectMatrix.scalarFactors = [-1]
# Sun coefficient matrix.
sunCoeffMatrix = RmtxopMatrix()
sunCoeffMatrix.matrixFile = directSunIll
# combine the matrices together. Sequence is extremely important
finalMatrix.rmtxopMatrices = [dcMatrix, dcDirectMatrix, sunCoeffMatrix]
finalMatrix.outputFile = outputIllFilePath
# Done!
finalMatrix.execute()
return outputIllFilePath
def runDc(phasesToCalculate={
'dc': True,
's': True
},
calculationType='single',
epwFile=None,
hdrResultsFileName=None,
timeStamp=None,
skyDensity=1):
if phasesToCalculate['dc']:
# Step1: Create the view matrix.
vwrParaDim = VwraysParameters()
vwrParaDim.calcImageDim = True
vwrParaDim.xResolution = 800
vwrParaDim.yResolution = 800
vwrDim = Vwrays()
vwrDim.vwraysParameters = vwrParaDim
vwrDim.viewFile = 'viewSouth1.vf'
vwrDim.outputFile = r'temp/viewSouthDimensions.txt'
vwrDim.execute()
vwrParaSamp = VwraysParameters()
vwrParaSamp.xResolution = 800
vwrParaSamp.yResolution = 800
vwrParaSamp.samplingRaysCount = 9
vwrParaSamp.samplingRaysCount = 3
vwrParaSamp.jitter = 0.7
vwrSamp = Vwrays()
vwrSamp.vwraysParameters = vwrParaSamp
vwrSamp.viewFile = 'viewSouth1.vf'
vwrSamp.outputFile = r'temp/viewSouthRays.txt'
vwrSamp.outputDataFormat = 'f'
vwrSamp.execute()
rfluxPara = RfluxmtxParameters()
rfluxPara.ambientAccuracy = 0.1
# rfluxPara.ambientBounces = 10
# using this for a quicker run
rfluxPara.ambientBounces = 5
# rfluxPara.ambientDivisions = 65536
# using this for a quicker run
rfluxPara.ambientDivisions = 2000
# rfluxPara.limitWeight = 1E-5
rfluxPara.limitWeight = 1E-2
rflux = Rfluxmtx()
rflux.sender = '-'
groundFileFormat = 'temp/viewSouth%s.hdr' % (1 + 144 * (skyDensity**2))
# Klems full basis sampling and the window faces +Y
rflux.receiverFile = rflux.defaultSkyGround(
r'temp/rfluxSky.rad',
skyType='r1',
groundFileFormat=groundFileFormat,
skyFileFormat=r'temp/%03d.hdr')
rflux.outputDataFormat = 'fc'
rflux.verbose = True
rflux.numProcessors = 8
rflux.rfluxmtxParameters = rfluxPara
rflux.viewInfoFile = r'temp/viewSouthDimensions.txt'
rflux.viewRaysFile = r'temp/viewSouthRays.txt'
rflux.radFiles = ['room.mat', 'room.rad', 'glazing.rad']
rflux.samplingRaysCount = 9
rflux.samplingRaysCount = 3
rflux.execute()
# Step4a: Create the sky vector.
# Step4a.1: Create a sky defintion
# Step s: Creating the sky matrix
if phasesToCalculate['s']:
if calculationType == 'annual':
weaFile = Epw2wea(epwFile=epwFile or 'test.epw',
outputWeaFile=r'temp/test.wea')
weaFile.execute()
gendayParam = GendaymtxParameters()
gendayParam.skyDensity = skyDensity
genday = Gendaymtx(weaFile=r'temp/test.wea',
outputName=r'temp/day.smx')
genday.gendaymtxParameters = gendayParam
genday.execute()
skyVector = r'temp/day.smx'
else:
gensk = Gensky()
gensk.monthDayHour = timeStamp or (11, 11, 11)
gensk.outputFile = 'temp/sky.rad'
gensk.execute()
genskv = Genskyvec()
genskv.inputSkyFile = os.path.abspath(r'temp/sky.rad')
genskv.outputFile = os.path.abspath(r'temp/sky.vec')
genskv.skySubdivision = skyDensity
genskv.execute()
skyVector = r'temp/sky.vec'
else:
skyVector = r'temp/sky.vec'
# Step5: Generate results
dct = Dctimestep()
dct.daylightCoeffSpec = r'temp/%03d.hdr'
dct.skyVectorFile = skyVector
dct.outputFile = r'temp/results.hdr'
dct.execute()
return 'temp/results.txt'
def run3phase(phasesToCalculate={'v':True,'t':True,'d':True,'s':True},
calculationType='annual',epwFile=None,tmatrixFile=None,
hdrResultsFileName=None,numProcessors=1,timeStamp=None):
if phasesToCalculate['v']:
# Step1: Create the view matrix.
rfluxPara = RfluxmtxParameters()
rfluxPara.ambientAccuracy = 0.1
rfluxPara.ambientBounces = 10
# using this for a quicker run
rfluxPara.ambientBounces = 5
rfluxPara.ambientDivisions = 65536
# using this for a quicker run
# rfluxPara.ad = 1000
rfluxPara.limitWeight = 1E-5
# rfluxPara.lw = 1E-2
#step 1.1 Invert glazing surface with xform so that it faces inwards
xfrPara = XformParameters()
xfrPara.invertSurfaces = True
xfr = Xform()
xfr.xformParameters = xfrPara
xfr.radFile = 'glazing.rad'
xfr.outputFile = 'glazingI.rad'
xfr.execute()
vwrParaDim = VwraysParameters()
vwrParaDim.calcImageDim = True
vwrParaDim.xResolution = 800
vwrParaDim.yResolution = 800
vwrDim = Vwrays()
vwrDim.vwraysParameters = vwrParaDim
vwrDim.viewFile = 'viewSouth1.vf'
vwrDim.outputFile = r'temp/viewSouthDimensions.txt'
vwrDim.execute()
vwrParaSamp = VwraysParameters()
vwrParaSamp.xResolution = 800
vwrParaSamp.yResolution = 800
vwrParaSamp.samplingRaysCount = 9
# vwrParaSamp.samplingRaysCount = 3
vwrParaSamp.jitter = 0.7
vwrSamp = Vwrays()
vwrSamp.vwraysParameters = vwrParaSamp
vwrSamp.viewFile = 'viewSouth1.vf'
vwrSamp.outputFile = r'temp/viewSouthRays.txt'
vwrSamp.outputDataFormat = 'f'
vwrSamp.execute()
rflux = Rfluxmtx()
rflux.sender = '-'
#Klems full basis sampling and the window faces +Y
recCtrlPar = rflux.ControlParameters(hemiType='kf',hemiUpDirection='+Z')
rflux.receiverFile = rflux.addControlParameters('glazingI.rad',
{'Exterior_Window':recCtrlPar})
rflux.outputDataFormat = 'fc'
rflux.verbose = True
rflux.rfluxmtxParameters = rfluxPara
rflux.viewInfoFile = r'temp/viewSouthDimensions.txt'
rflux.viewRaysFile = r'temp/viewSouthRays.txt'
rflux.radFiles = ['room.mat','room.rad','glazing.rad']
rflux.outputFilenameFormat = r'temp/%03d.hdr'
rflux.samplingRaysCount = 9
# rflux.samplingRaysCount = 3
rflux.numProcessors = numProcessors
rflux.execute()
vMatrix = r'temp/vmatrix.vmx'
#Step2: Assign T matrix from precalculated XML files.
tMatrix = tmatrixFile or r'xmls/clear.xml'
if phasesToCalculate['d']:
#Step3: Create D matrix.
rfluxPara = RfluxmtxParameters()
rfluxPara.ambientAccuracy = 0.1
rfluxPara.ambientDivisions = 1024
rfluxPara.ambientBounces = 2
rfluxPara.limitWeight = 0.0000001
rflux2 = Rfluxmtx()
rflux2.numProcessors = numProcessors
rflux2.samplingRaysCount = 1000
rflux2.sender = 'glazingI.rad_m'
skyFile = rflux2.defaultSkyGround(r'temp/rfluxSky.rad', skyType='r4')
rflux2.receiverFile = skyFile
rflux2.rfluxmtxParameters = rfluxPara
rflux2.radFiles = [r"room.mat",
r"room.rad",
'glazing.rad']
rflux2.outputMatrix = r"temp/dmatrix.dmx"
rflux2.execute()
dMatrix = r"temp/dmatrix.dmx"
#Step4a: Create the sky vector.
#Step4a.1: Create a sky defintion
# Step s: Creating the sky matrix
if phasesToCalculate['s']:
if calculationType == 'annual':
weaFile = Epw2wea(epwFile=epwFile or 'test.epw', outputWeaFile=r'temp/test.wea')
weaFile.execute()
gendayParam = GendaymtxParameters()
gendayParam.skyDensity = 4
genday = Gendaymtx(weaFile=r'temp/test.wea', outputName=r'temp/day.smx')
genday.gendaymtxParameters = gendayParam
genday.execute()
skyVector = r'temp/day.smx'
else:
genskPar = GenskyParameters()
gensk = Gensky()
gensk.monthDayHour = timeStamp or (11,11,11)
gensk.outputFile = 'temp/sky.rad'
gensk.execute()
genskv = Genskyvec()
genskv.inputSkyFile = r'temp/sky.rad'
genskv.outputFile = r'temp/sky.vec'
genskv.skySubdivision = 4
genskv.execute()
skyVector = r'temp/sky.vec'
else:
skyVector = r'temp/sky.vec'
# Step5: Generate results
dct = Dctimestep()
dct.tmatrixFile = tMatrix
dct.vmatrixSpec = r'temp/%03d.hdr'
dct.dmatrixFile = dMatrix
dct.skyVectorFile = skyVector
dct.outputFileName = hdrResultsFileName or r'temp/results.hdr'
dct.execute()
return 'temp/results.txt'