def __init__(self,
ssdo,
weightField=None,
caseField=None,
stdDeviations=1.0):
#### Set Initial Attributes ####
UTILS.assignClassAttr(self, locals())
#### Set Data ####
self.xyCoords = self.ssdo.xyCoords
#### Verify Weights ####
if weightField:
self.weights = self.ssdo.fields[weightField].returnDouble()
#### Report Negative Weights ####
lessThanZero = NUM.where(self.weights < 0.0)
if len(lessThanZero[0]):
self.weights[lessThanZero] = 0.0
ARCPY.AddIDMessage("Warning", 941)
#### Verify Weight Sum ####
self.weightSum = self.weights.sum()
if not self.weightSum > 0.0:
ARCPY.AddIDMessage("ERROR", 898)
raise SystemExit()
else:
self.weights = NUM.ones((self.ssdo.numObs, ))
#### Set Case Field ####
if caseField:
caseType = ssdo.allFields[caseField].type.upper()
self.caseIsString = caseType == "STRING"
self.caseVals = self.ssdo.fields[caseField].data
cases = NUM.unique(self.caseVals)
if self.caseIsString:
self.uniqueCases = cases[NUM.where(cases != "")]
else:
self.uniqueCases = cases
else:
self.caseIsString = False
self.caseVals = NUM.ones((self.ssdo.numObs, ), int)
self.uniqueCases = [1]
#### Set Result Dict ####
meanCenter = COLL.defaultdict(NUM.array)
sd = COLL.defaultdict(float)
#### Keep Track of Bad Cases ####
badCases = []
#### Calculate Mean Center and Standard Distance ####
for case in self.uniqueCases:
indices = NUM.where(self.caseVals == case)
numFeatures = len(indices[0])
xy = self.xyCoords[indices]
w = self.weights[indices]
w.shape = numFeatures, 1
weightSum = w.sum()
if (weightSum != 0.0) and (numFeatures > 2):
xyWeighted = w * xy
#### Mean Center ####
centers = xyWeighted.sum(0) / weightSum
meanCenter[case] = centers
#### Standard Distance ####
devXY = xy - centers
sigXY = (w * devXY**2.0).sum(0) / weightSum
sdVal = (MATH.sqrt(sigXY.sum())) * stdDeviations
sd[case] = sdVal
else:
badCases.append(case)
#### Report Bad Cases ####
nCases = len(self.uniqueCases)
nBadCases = len(badCases)
badCases.sort()
if nBadCases:
cBool = self.caseIsString
if not self.caseIsString:
badCases = [UTILS.caseValue2Print(i, cBool) for i in badCases]
ERROR.reportBadCases(nCases, nBadCases, badCases, label=caseField)
#### Sorted Case List ####
caseKeys = sd.keys()
caseKeys.sort()
self.caseKeys = caseKeys
#### Set Attributes ####
self.meanCenter = meanCenter
self.sd = sd
self.badCases = badCases
self.caseField = caseField
self.stdDeviations = stdDeviations
self.weightField = weightField
def __init__ (self, ssdo, weightField = None, caseField = None,
attFields = None):
#### Set Initial Attributes ####
UTILS.assignClassAttr(self, locals())
#### Set Data ####
self.xyCoords = self.ssdo.xyCoords
#### Verify Weights ####
if weightField:
self.weights = self.ssdo.fields[weightField].returnDouble()
#### Report Negative Weights ####
lessThanZero = NUM.where(self.weights < 0.0)
if len(lessThanZero[0]):
self.weights[lessThanZero] = 0.0
ARCPY.AddIDMessage("Warning", 941)
#### Verify Weight Sum ####
self.weightSum = self.weights.sum()
if not self.weightSum > 0.0:
ARCPY.AddIDMessage("ERROR", 898)
raise SystemExit()
else:
self.weights = NUM.ones((self.ssdo.numObs,))
#### Set Case Field ####
if caseField:
caseType = ssdo.allFields[caseField].type.upper()
self.caseIsString = caseType == "STRING"
self.caseVals = self.ssdo.fields[caseField].data
cases = NUM.unique(self.caseVals)
if self.caseIsString:
self.uniqueCases = cases[NUM.where(cases != "")]
else:
self.uniqueCases = cases
else:
self.caseIsString = False
self.caseVals = NUM.ones((self.ssdo.numObs, ), int)
self.uniqueCases = [1]
#### Set Result Dict ####
medianCenter = COLL.defaultdict(NUM.array)
if attFields:
attCenter = COLL.defaultdict(NUM.array)
#### Keep Track of Bad Cases ####
badCases = []
#### Calculate Results ####
for case in self.uniqueCases:
indices = NUM.where(self.caseVals == case)
numFeatures = len(indices[0])
xy = self.xyCoords[indices]
w = self.weights[indices]
weightSum = w.sum()
if (weightSum != 0.0) and (numFeatures > 0):
#### Calculate Median Center ####
medX, medY, iters = calcMedianCenter(xy, w)
medianCenter[case] = (medX, medY)
if attFields:
attMeds = []
for attField in attFields:
attCaseVals = ssdo.fields[attField].returnDouble()
attCaseVals = attCaseVals[indices]
attMed = STATS.median(attCaseVals, weights = w)
attMeds.append(attMed)
attMeds = NUM.array(attMeds)
attCenter[case] = attMeds
else:
badCases.append(case)
#### Report Bad Cases ####
nCases = len(self.uniqueCases)
nBadCases = len(badCases)
badCases.sort()
if nBadCases:
cBool = self.caseIsString
if not self.caseIsString:
badCases = [UTILS.caseValue2Print(i, cBool) for i in badCases]
ERROR.reportBadCases(nCases, nBadCases, badCases,
label = caseField)
#### Sorted Case List ####
caseKeys = medianCenter.keys()
caseKeys.sort()
self.caseKeys = caseKeys
#### Set Attributes ####
self.medianCenter = medianCenter
self.badCases = badCases
self.caseField = caseField
self.attFields = attFields
self.weightField = weightField
if attFields:
self.attCenter = attCenter
def __init__(self, ssdo, weightField = None, caseField = None,
stdDeviations = 1.0):
#### Set Initial Attributes ####
UTILS.assignClassAttr(self, locals())
#### Set Data ####
self.xyCoords = self.ssdo.xyCoords
#### Verify Weights ####
if weightField:
self.weights = self.ssdo.fields[weightField].returnDouble()
#### Report Negative Weights ####
lessThanZero = NUM.where(self.weights < 0.0)
if len(lessThanZero[0]):
self.weights[lessThanZero] = 0.0
ARCPY.AddIDMessage("Warning", 941)
#### Verify Weight Sum ####
self.weightSum = self.weights.sum()
if not self.weightSum > 0.0:
ARCPY.AddIDMessage("ERROR", 898)
raise SystemExit()
else:
self.weights = NUM.ones((self.ssdo.numObs,))
#### Set Case Field ####
if caseField:
caseType = ssdo.allFields[caseField].type.upper()
self.caseIsString = caseType == "STRING"
self.caseVals = self.ssdo.fields[caseField].data
cases = NUM.unique(self.caseVals)
if self.caseIsString:
self.uniqueCases = cases[NUM.where(cases != "")]
else:
self.uniqueCases = cases
else:
self.caseIsString = False
self.caseVals = NUM.ones((self.ssdo.numObs, ), int)
self.uniqueCases = [1]
#### Set Result Dict ####
meanCenter = COLL.defaultdict(NUM.array)
sd = COLL.defaultdict(float)
#### Keep Track of Bad Cases ####
badCases = []
#### Calculate Mean Center and Standard Distance ####
for case in self.uniqueCases:
indices = NUM.where(self.caseVals == case)
numFeatures = len(indices[0])
xy = self.xyCoords[indices]
w = self.weights[indices]
w.shape = numFeatures, 1
weightSum = w.sum()
if (weightSum != 0.0) and (numFeatures > 2):
xyWeighted = w * xy
#### Mean Center ####
centers = xyWeighted.sum(0) / weightSum
meanCenter[case] = centers
#### Standard Distance ####
devXY = xy - centers
sigXY = (w * devXY**2.0).sum(0)/weightSum
sdVal = (MATH.sqrt(sigXY.sum())) * stdDeviations
sd[case] = sdVal
else:
badCases.append(case)
#### Report Bad Cases ####
nCases = len(self.uniqueCases)
nBadCases = len(badCases)
badCases.sort()
if nBadCases:
cBool = self.caseIsString
if not self.caseIsString:
badCases = [UTILS.caseValue2Print(i, cBool) for i in badCases]
ERROR.reportBadCases(nCases, nBadCases, badCases,
label = caseField)
#### Sorted Case List ####
caseKeys = sd.keys()
caseKeys.sort()
self.caseKeys = caseKeys
#### Set Attributes ####
self.meanCenter = meanCenter
self.sd = sd
self.badCases = badCases
self.caseField = caseField
self.stdDeviations = stdDeviations
self.weightField = weightField
def __init__(self, ssdo, weightField=None, caseField=None, dimField=None):
#### Set Initial Attributes ####
UTILS.assignClassAttr(self, locals())
#### Set Data ####
self.xyCoords = self.ssdo.xyCoords
self.zCoords = self.ssdo.zCoords
#### Verify Weights ####
if weightField:
self.weights = self.ssdo.fields[weightField].returnDouble()
#### Report Negative Weights ####
lessThanZero = NUM.where(self.weights < 0.0)
if len(lessThanZero[0]):
self.weights[lessThanZero] = 0.0
ARCPY.AddIDMessage("Warning", 941)
#### Verify Weight Sum ####
self.weightSum = self.weights.sum()
if not self.weightSum > 0.0:
ARCPY.AddIDMessage("ERROR", 898)
raise SystemExit()
else:
self.weights = NUM.ones((self.ssdo.numObs, 1))
#### Set Case Field ####
if caseField:
caseType = ssdo.allFields[caseField].type.upper()
self.caseIsString = caseType == "STRING"
self.caseVals = self.ssdo.fields[caseField].data
cases = NUM.unique(self.caseVals)
if self.caseIsString:
self.uniqueCases = cases[NUM.where(cases != "")]
else:
self.uniqueCases = cases
else:
self.caseIsString = False
self.caseVals = NUM.ones((self.ssdo.numObs, ), int)
self.uniqueCases = [1]
#### Set Result Dict ####
meanCenter = COLL.defaultdict(NUM.array)
if dimField:
dimCenter = COLL.defaultdict(float)
self.dimVals = self.ssdo.fields[dimField].returnDouble()
else:
dimCenter = None
#### Keep Track of Bad Cases ####
badCases = []
#### Calculate Results ####
for case in self.uniqueCases:
indices = NUM.where(self.caseVals == case)
numFeatures = len(indices[0])
xy = self.xyCoords[indices]
w = self.weights[indices]
w.shape = numFeatures, 1
weightSum = w.sum()
if (weightSum != 0.0) and (numFeatures > 0):
xyWeighted = w * xy
#### Mean Center ####
centers = xyWeighted.sum(0) / weightSum
meanX, meanY = centers
meanZ = None
if ssdo.hasZ:
z = self.ssdo.zCoords[indices]
try:
zWeighted = w * z
meanZ = zWeighted.sum() / weightSum
except:
meanZ = 0.0
else:
meanZ = self.ssdo.defaultZ
meanCenter[case] = NUM.array([meanX, meanY, meanZ])
#### Attribute Field ####
if dimField:
dimWeighted = w.flatten() * self.dimVals[indices]
meanDim = dimWeighted.sum() / weightSum
dimCenter[case] = meanDim
else:
badCases.append(case)
#### Report Bad Cases ####
nCases = len(self.uniqueCases)
nBadCases = len(badCases)
badCases.sort()
if nBadCases:
cBool = self.caseIsString
if not self.caseIsString:
badCases = [UTILS.caseValue2Print(i, cBool) for i in badCases]
ERROR.reportBadCases(nCases, nBadCases, badCases, label=caseField)
#### Sorted Case List ####
caseKeys = meanCenter.keys()
caseKeys.sort()
self.caseKeys = caseKeys
#### Set Attributes ####
self.meanCenter = meanCenter
self.dimCenter = dimCenter
self.badCases = badCases
self.caseField = caseField
self.dimField = dimField
self.weightField = weightField
def __init__(self,
ssdo,
weightField=None,
caseField=None,
stdDeviations=1.0):
#### Set Initial Attributes ####
UTILS.assignClassAttr(self, locals())
#### Set Data ####
self.xyCoords = self.ssdo.xyCoords
#### Verify Weights ####
if weightField:
self.weights = self.ssdo.fields[weightField].returnDouble()
#### Report Negative Weights ####
lessThanZero = NUM.where(self.weights < 0.0)
if len(lessThanZero[0]):
self.weights[lessThanZero] = 0.0
ARCPY.AddIDMessage("Warning", 941)
#### Verify Weight Sum ####
self.weightSum = self.weights.sum()
if not self.weightSum > 0.0:
ARCPY.AddIDMessage("ERROR", 898)
raise SystemExit()
else:
self.weights = NUM.ones((self.ssdo.numObs, ))
#### Set Case Field ####
if caseField:
caseType = ssdo.allFields[caseField].type.upper()
self.caseIsString = caseType == "STRING"
self.caseVals = self.ssdo.fields[caseField].data
cases = NUM.unique(self.caseVals)
if self.caseIsString:
self.uniqueCases = cases[NUM.where(cases != "")]
else:
self.uniqueCases = cases
else:
self.caseIsString = False
self.caseVals = NUM.ones((self.ssdo.numObs, ), int)
self.uniqueCases = [1]
#### Set Result Dict ####
meanCenter = COLL.defaultdict(NUM.array)
se = COLL.defaultdict(float)
#### Keep Track of Bad Cases ####
badCases = []
#### Calculate Mean Center and Standard Distance ####
for case in self.uniqueCases:
indices = NUM.where(self.caseVals == case)
numFeatures = len(indices[0])
xy = self.xyCoords[indices]
w = self.weights[indices]
w.shape = numFeatures, 1
weightSum = w.sum()
if (weightSum != 0.0) and (numFeatures > 2):
xyWeighted = w * xy
#### Mean Center ####
centers = xyWeighted.sum(0) / weightSum
meanX, meanY = centers
meanCenter[case] = centers
#### Standard Ellipse ####
devXY = xy - centers
flatW = w.flatten()
sigX = (flatW * devXY[:, 0]**2.0).sum()
sigY = (flatW * devXY[:, 1]**2.0).sum()
sigXY = (flatW * devXY[:, 0] * devXY[:, 1]).sum()
denom = 2.0 * sigXY
diffXY = sigX - sigY
sum1 = diffXY**2.0 + 4.0 * sigXY**2.0
if not abs(denom) > 0:
arctanVal = 0.0
else:
tempVal = (diffXY + NUM.sqrt(sum1)) / denom
arctanVal = NUM.arctan(tempVal)
if arctanVal < 0.0:
arctanVal += (NUM.pi / 2.0)
sinVal = NUM.sin(arctanVal)
cosVal = NUM.cos(arctanVal)
sqrt2 = NUM.sqrt(2.0)
sigXYSinCos = 2.0 * sigXY * sinVal * cosVal
seX = (sqrt2 * NUM.sqrt(
((sigX * cosVal**2.0) - sigXYSinCos +
(sigY * sinVal**2.0)) / weightSum) * stdDeviations)
seY = (sqrt2 * NUM.sqrt(
((sigX * sinVal**2.0) + sigXYSinCos +
(sigY * cosVal**2.0)) / weightSum) * stdDeviations)
#### Counter Clockwise from Noon ####
degreeRotation = 360.0 - (arctanVal * 57.2957795)
#### Convert to Radians ####
radianRotation1 = UTILS.convert2Radians(degreeRotation)
#### Add Rotation ####
radianRotation2 = 360.0 - degreeRotation
if seX > seY:
radianRotation2 += 90.0
if radianRotation2 > 360.0:
radianRotation2 = radianRotation2 - 180.0
se[case] = (seX, seY, degreeRotation, radianRotation1,
radianRotation2)
else:
badCases.append(case)
#### Report Bad Cases ####
nCases = len(self.uniqueCases)
nBadCases = len(badCases)
badCases.sort()
if nBadCases:
cBool = self.caseIsString
if not self.caseIsString:
badCases = [UTILS.caseValue2Print(i, cBool) for i in badCases]
ERROR.reportBadCases(nCases, nBadCases, badCases, label=caseField)
#### Sorted Case List ####
caseKeys = se.keys()
caseKeys.sort()
self.caseKeys = caseKeys
#### Set Attributes ####
self.meanCenter = meanCenter
self.se = se
self.badCases = badCases
self.caseField = caseField
self.stdDeviations = stdDeviations
self.weightField = weightField
def __init__(self, ssdo, weightField = None, caseField = None,
stdDeviations = 1.0):
#### Set Initial Attributes ####
UTILS.assignClassAttr(self, locals())
#### Set Data ####
self.xyCoords = self.ssdo.xyCoords
#### Verify Weights ####
if weightField:
self.weights = self.ssdo.fields[weightField].returnDouble()
#### Report Negative Weights ####
lessThanZero = NUM.where(self.weights < 0.0)
if len(lessThanZero[0]):
self.weights[lessThanZero] = 0.0
ARCPY.AddIDMessage("Warning", 941)
#### Verify Weight Sum ####
self.weightSum = self.weights.sum()
if not self.weightSum > 0.0:
ARCPY.AddIDMessage("ERROR", 898)
raise SystemExit()
else:
self.weights = NUM.ones((self.ssdo.numObs,))
#### Set Case Field ####
if caseField:
caseType = ssdo.allFields[caseField].type.upper()
self.caseIsString = caseType == "STRING"
self.caseVals = self.ssdo.fields[caseField].data
cases = NUM.unique(self.caseVals)
if self.caseIsString:
self.uniqueCases = cases[NUM.where(cases != "")]
else:
self.uniqueCases = cases
else:
self.caseIsString = False
self.caseVals = NUM.ones((self.ssdo.numObs, ), int)
self.uniqueCases = [1]
#### Set Result Dict ####
meanCenter = COLL.defaultdict(NUM.array)
se = COLL.defaultdict(float)
#### Keep Track of Bad Cases ####
badCases = []
#### Calculate Mean Center and Standard Distance ####
for case in self.uniqueCases:
indices = NUM.where(self.caseVals == case)
numFeatures = len(indices[0])
xy = self.xyCoords[indices]
w = self.weights[indices]
w.shape = numFeatures, 1
weightSum = w.sum()
if (weightSum != 0.0) and (numFeatures > 2):
xyWeighted = w * xy
#### Mean Center ####
centers = xyWeighted.sum(0) / weightSum
meanX, meanY = centers
meanCenter[case] = centers
#### Standard Ellipse ####
devXY = xy - centers
flatW = w.flatten()
sigX = (flatW * devXY[:,0]**2.0).sum()
sigY = (flatW * devXY[:,1]**2.0).sum()
sigXY = (flatW * devXY[:,0] * devXY[:,1]).sum()
denom = 2.0 * sigXY
diffXY = sigX - sigY
sum1 = diffXY**2.0 + 4.0 * sigXY**2.0
if not abs(denom) > 0:
arctanVal = 0.0
else:
tempVal = (diffXY + NUM.sqrt(sum1)) / denom
arctanVal = NUM.arctan(tempVal)
if arctanVal < 0.0:
arctanVal += (NUM.pi / 2.0)
sinVal = NUM.sin(arctanVal)
cosVal = NUM.cos(arctanVal)
sqrt2 = NUM.sqrt(2.0)
sigXYSinCos = 2.0 * sigXY * sinVal * cosVal
seX = (sqrt2 *
NUM.sqrt(((sigX * cosVal**2.0) - sigXYSinCos +
(sigY * sinVal**2.0)) /
weightSum) * stdDeviations)
seY = (sqrt2 *
NUM.sqrt(((sigX * sinVal**2.0) + sigXYSinCos +
(sigY * cosVal**2.0)) /
weightSum) * stdDeviations)
#### Counter Clockwise from Noon ####
degreeRotation = 360.0 - (arctanVal * 57.2957795)
#### Convert to Radians ####
radianRotation1 = UTILS.convert2Radians(degreeRotation)
#### Add Rotation ####
radianRotation2 = 360.0 - degreeRotation
if seX > seY:
radianRotation2 += 90.0
if radianRotation2 > 360.0:
radianRotation2 = radianRotation2 - 180.0
se[case] = (seX, seY, degreeRotation,
radianRotation1, radianRotation2)
else:
badCases.append(case)
#### Report Bad Cases ####
nCases = len(self.uniqueCases)
nBadCases = len(badCases)
badCases.sort()
if nBadCases:
cBool = self.caseIsString
if not self.caseIsString:
badCases = [UTILS.caseValue2Print(i, cBool) for i in badCases]
ERROR.reportBadCases(nCases, nBadCases, badCases,
label = caseField)
#### Sorted Case List ####
caseKeys = se.keys()
caseKeys.sort()
self.caseKeys = caseKeys
#### Set Attributes ####
self.meanCenter = meanCenter
self.se = se
self.badCases = badCases
self.caseField = caseField
self.stdDeviations = stdDeviations
self.weightField = weightField
