def fit_objectives(plan=None, beamset=None):
# Function which adjusts DVH and EUD values in objectives to reflect obtained values.
if plan is None:
plan = lib.get_current_plan()
if beamset is None:
beamset = lib.get_current_beamset()
for objective in plan.PlanOptimizations[beamset.Number - 1].Objective.ConstituentFunctions:
try:
f_type = objective.DoseFunctionParameters.FunctionType # Dose falloff objectives do not have a FunctionType and must be skipped
except:
continue
if f_type == "MaxDvh":
roi_name = objective.ForRegionOfInterest.Name
dose_level = objective.DoseFunctionParameters.DoseLevel
target_vol = objective.DoseFunctionParameters.PercentVolume
obtained_vol = plan.TreatmentCourse.TotalDose.GetRelativeVolumeAtDoseValues(RoiName=roi_name, DoseValues=[dose_level])
if obtained_vol[0] >= 0.02:
objective.DoseFunctionParameters.PercentVolume = int(obtained_vol[0] * 100 - 2)
elif f_type == "MaxEud":
roi_name = objective.ForRegionOfInterest.Name
dose_level = objective.DoseFunctionParameters.DoseLevel
a = objective.DoseFunctionParameters.EudParameterA
obtained_eud = compute_eud(plan.TreatmentCourse.TotalDose, roi_name, a)
if obtained_eud > 200:
objective.DoseFunctionParameters.DoseLevel = int(obtained_eud - 200)
def double_opt_extra():
plan = lib.get_current_plan()
beamset = lib.get_current_beamset()
plan.PlanOptimizations[0].OptimizationParameters.Algorithm.MaxNumberOfIterations = 100
plan.PlanOptimizations[0].RunOptimization()
plan.PlanOptimizations[0].RunOptimization()
fit_objectives_orl(plan, beamset)
plan.PlanOptimizations[0].OptimizationParameters.Algorithm.MaxNumberOfIterations = 29
plan.PlanOptimizations[0].RunOptimization()
def display_loc_point():
try:
beamset = lib.get_current_beamset()
loc_point_name = beamset.PatientSetup.LocalizationPoiGeometrySource.LocalizationPoiGeometry.OfPoi.Name
ui = get_current("ui")
ui.MenuItem[1].Button_PatientModeling.Click()
ui.ToolPanel.TabItem['POIs'].Select()
ui.ToolPanel.PoiList.RayDataGrid.DataGridRow[loc_point_name].Select()
ui.TabControl_ToolBar.TabItem['POI Tools'].Select()
ui.TabControl_ToolBar.ToolBarGroup['CURRENT POI'].Button_LocalizePOI.Click()
except:
pass
def optimization_90_30(plan=None, beamset=None):
patient = lib.get_current_patient()
if plan is None:
plan = lib.get_current_plan()
if beamset is None:
beamset = lib.get_current_beamset()
opt = plan.PlanOptimizations[beamset.Number - 1]
set_optimization_parameters(plan=plan,fluence_iterations=30, max_iterations=90, compute_intermediate_dose=False)
opt.RunOptimization()
set_optimization_parameters(plan=plan,fluence_iterations=30, max_iterations=30, compute_intermediate_dose=False)
opt.RunOptimization()
def double_optimization(plan=None, beamset=None):
# Function which runs two consecutive optimizations.
patient = lib.get_current_patient()
if plan is None:
plan = lib.get_current_plan()
if beamset is None:
beamset = lib.get_current_beamset()
# Beamsets are numbered starting at 1 whereas Plan Optimizations are numbered starting at 0.
# Determine what the number of the selected beamset is, then subtract one to locate the associated Plan Optimization.
plan.PlanOptimizations[beamset.Number - 1].RunOptimization()
plan.PlanOptimizations[beamset.Number - 1].RunOptimization()
def double_opt_save(plan=None, beamset=None):
# Function which runs two consecutive optimizations and saves the plan afterwards (NB this removes the ability to undo the optimizations).
patient = lib.get_current_patient()
if plan is None:
plan = lib.get_current_plan()
if beamset is None:
beamset = lib.get_current_beamset()
# Beamset.Number starts at 1 whereas Plan Optimizations are numbered starting at 0.
# Determine what the number of the selected beamset is, then subtract one to locate the associated Plan Optimization.
plan.PlanOptimizations[beamset.Number - 1].RunOptimization()
plan.PlanOptimizations[beamset.Number - 1].RunOptimization()
patient.Save()
def fit_objectives_orl(plan=None, beamset=None):
# Function which adjusts DVH and EUD values in objectives to reflect obtained values.
patient = lib.get_current_patient()
if plan is None:
plan = lib.get_current_plan()
if beamset is None:
beamset = lib.get_current_beamset()
for objective in plan.PlanOptimizations[beamset.Number - 1].Objective.ConstituentFunctions:
try:
f_type = objective.DoseFunctionParameters.FunctionType # Dose falloff objectives do not have a FunctionType and must be skipped
except:
continue
roi_name = objective.ForRegionOfInterest.Name
if roi_name in ['BLOC MOELLE','MOELLE','prv5mmMOELLE']:
continue
else:
if f_type == "MaxDvh":
dose_level = objective.DoseFunctionParameters.DoseLevel
obtained_vol = plan.TreatmentCourse.TotalDose.GetRelativeVolumeAtDoseValues(RoiName=roi_name, DoseValues=[dose_level])
if obtained_vol[0] >= 0.02:
objective.DoseFunctionParameters.PercentVolume = int(obtained_vol[0] * 90)
if obtained_vol[0] < 0.02:
objective.DoseFunctionParameters.DoseLevel = int(dose_level*0.9)
elif f_type == "MaxEud":
dose_level = objective.DoseFunctionParameters.DoseLevel
a = objective.DoseFunctionParameters.EudParameterA
obtained_eud = compute_eud(plan.TreatmentCourse.TotalDose, roi_name, a)
if obtained_eud > 100:
objective.DoseFunctionParameters.DoseLevel = round(obtained_eud*0.99,-1)
elif f_type == "MaxDose":
dose_level = objective.DoseFunctionParameters.DoseLevel
vol_roi=patient.PatientModel.StructureSets['CT 1'].RoiGeometries[roi_name].GetRoiVolume()
if vol_roi >= 0.1:
vol_cc=0.1/vol_roi
max_dose_obtenue = plan.TreatmentCourse.TotalDose.GetDoseAtRelativeVolumes(RoiName=roi_name, RelativeVolumes=[vol_cc])
else:
max_dose_obtenue = plan.TreatmentCourse.TotalDose.GetDoseAtRelativeVolumes(RoiName=roi_name, RelativeVolumes=[vol_roi])
if max_dose_obtenue[0] < (dose_level/1.05) and max_dose_obtenue[0] > 500:
objective.DoseFunctionParameters.DoseLevel = int(max_dose_obtenue[0]*1.05)
elif max_dose_obtenue[0] < (dose_level/1.05) and max_dose_obtenue[0] <= 500:
objective.DoseFunctionParameters.DoseLevel = 500
def export_planar_dose_images(poi_name='planar dose', orientation='coronal', px_size_cm=0.1, size_cm=1):
"""
Exports planar dose images for the currently selected beamset.
Each beam will be exported in a separate image.
BETA/EXPERIMENTAL
TODO: finalize implementation, allow to choose save path of file.
"""
beamset = lib.get_current_beamset()
point = poi.get_poi_coordinates(poi_name)
n = int(size_cm / px_size_cm)
points = []
if orientation == 'coronal':
# horiz = DICOM x-axis
# vert = DICOM z axis
# Initial corner
pt = point - lib.RSPoint(0.5 * size_cm, 0, 0.5 * size_cm)
dx = lib.RSPoint(px_size_cm, 0, 0)
dy = lib.RSPoint(0, 0, px_size_cm)
for iy in range(0, n + 1):
for ix in range(0, n + 1):
points.append(pt.value)
pt = pt + dx
pt = pt + dy
pt = pt - lib.RSPoint(size_cm, 0, 0)
ret = beamset.FractionDose.InterpolateDoseInPoints(Points=points)
for c, d in zip(points, ret):
print c, d
# logger.warning(x_coord)
# logger.warning(y_coord)
# logger.warning(d_value)
""
def auto_place_prescription_point():
"""
Attempts to place automatically a POI on the prescription dose isoline near
the boundaries of the PTV contour.
.. rubric::
PRE-REQUISITES
1. Prescription dose defined for current beamset.
2. Existence of a dose specification point (requires manual creation).
3. Existence of an identifiable PTV contour.
4. Dose is calculated.
.. rubric::
Algorithm description
- A point on the PTV contour on a slice near the PTV center is found.
- The dose is evaluated at that point.
- An approximate unit vector towards the PTV center is calculated from that position.
+ If the evaluated dose is smaller than the prescription dose, the evaluation point is moved a short distance towards the PTV center.
+ If the evaluated dose is greater than the prescription dose, the evaluation point is moved a short distance away from the PTV center.
- If the prescription dose is overshot by this procedure, the direction of movement is reversed and the move distance halved.
- This process is repeated until evaluated dose equals the prescription dose to 3 decimal figures or 100 iterations are reached.
Finally,
- A POI named *PT PRESC* is placed at the final coordinates of the evaluation point. This POI is created if not already existing.
- The prescription is changed to prescribe the prescription dose at the final evaluation point, on the prescription dose isoline. It is thus automatically satisfied.
.. seealso::
function `hmrlib.hmrlib.place_prescription_point`
"""
# patient = lib.get_current_patient()
# exam = lib.get_current_examination()
beamset = lib.get_current_beamset()
# Create PT PRESC if not present
create_poi({'x': 0, 'y': 0, 'z': 0}, 'PT PRESC')
ptv_candidates = roi.identify_ptvs2()
if len(ptv_candidates) > 1:
logger.warning(
'More than one possible PTV found: %s. Trying highest PTV in the list %s.',
ptv_candidates,
sorted(ptv_candidates, key=lambda x: x[3:], reverse=True)[0])
elif len(ptv_candidates) == 0:
logger.error('No PTV could be found. Aborting.')
raise SystemError('No PTV could be found. Aborting.')
ptv = sorted(ptv_candidates, key=lambda x: x[3:], reverse=True)[0]
logger.info('PTV identified as %s', ptv)
try:
presc_dose = lib.get_prescription_dose()
logger.info('Presc dose = %.3f cGy', presc_dose)
fractions = lib.get_fractions()
logger.info('Fractions = %s', fractions)
target_dose = presc_dose / float(fractions)
logger.info('Target dose = %.3f cGy', target_dose)
except Exception as e:
logger.exception(e)
raise
point = place_prescription_point(target_dose,
ptv,
'PT PRESC',
beamset=beamset)
# Set prescription to PT PRESC
try:
beamset.AddDosePrescriptionToPoi(PoiName='PT PRESC',
DoseValue=presc_dose)
except Exception as e:
logger.exception(e)
raise
# Update dose specification point
try:
dsp = [x for x in beamset.DoseSpecificationPoints][0]
dsp.Coordinates = point.value
except IndexError as e:
logger.error(
'You must create a dose specification point manually before executing this script.'
)
logger.exception(e)
raise
except Exception as e:
logger.exception(e)
raise
def place_prescription_point(target_fraction_dose,
ptv_name,
poi_name,
beamset=None,
exam=None):
"""
Attempts to place automatically a POI on a target per-fraction isodose line.
.. rubric::
PRE-REQUISITES
- Existence of an identifiable PTV contour.
- Dose is calculated.
.. rubric::
Algorithm description
- A point on the PTV contour on a slice near the PTV center is found.
- The dose is evaluated at that point.
- An approximate unit vector towards the PTV center is calculated from that position.
+ If the evaluated dose is smaller than the prescription dose, the evaluation point is moved a short distance towards the PTV center.
+ If the evaluated dose is greater than the prescription dose, the evaluation point is moved a short distance away from the PTV center.
- If the prescription dose is overshot by this procedure, the direction of movement is reversed and the move distance halved.
- This process is repeated until evaluated dose equals the prescription dose to 3 decimal figures or 100 iterations are reached.
Finally,
- The specified POI is placed at the found coordinates.
.. seealso::
function `hmrlib.hmrlib.auto_place_prescription_point`
"""
patient = lib.get_current_patient()
if exam is None:
exam = lib.get_current_examination()
if beamset is None:
beamset = lib.get_current_beamset()
try:
# Get PTV center
ptv_center = lib.RSPoint(point=patient.PatientModel.StructureSets[
exam.Name].RoiGeometries[ptv_name].GetCenterOfRoi())
# Get slice thickness from CT
slice_width = abs(exam.Series[0].ImageStack.SlicePositions[1] -
exam.Series[0].ImageStack.SlicePositions[0])
logger.info('CT slice width = %s cm', slice_width)
initial_point = None
# Find contour point on a slice close to PTV center
for c in patient.PatientModel.StructureSets[
exam.Name].RoiGeometries[ptv_name].PrimaryShape.Contours:
#if lib.check_version(4.7):
if c[0].z < ptv_center.z + slice_width and c[
0].z > ptv_center.z - slice_width:
initial_point = lib.RSPoint(c[0].x, c[0].y, c[0].z)
break
#else:
# if c.ContourData[0].z < ptv_center.z + slice_width and c.ContourData[0].z > ptv_center.z - slice_width:
# initial_point = lib.RSPoint(c.ContourData[0].x, c.ContourData[0].y, c.ContourData[0].z)
# break
if initial_point is None:
logger.info(
'Could not find a point on the same slice as the ROi center. Disjoint/noncoplanar PTV?'
)
logger.info('Trying with first point in contour shape.')
c = patient.PatientModel.StructureSets[
exam.Name].RoiGeometries[ptv_name].PrimaryShape.Contours[0]
#if lib.check_version(4.7):
initial_point = lib.RSPoint(c[0].x, c[0].y, c[0].z)
#else:
# initial_point = lib.RSPoint(c.ContourData[0].x, c.ContourData[0].y, c.ContourData[0].z)
logger.info('Initial point = %s cm', initial_point)
u = lib.RSPoint(point=lib.unit_vector(ptv_center - initial_point))
logger.info('Unit vector towards PTV center = %s cm', u)
# Change unit vector so that we stay on the same transverse slice
u.z = 0
logger.info(
'Approximate unit vector towards PTV center on single CT slice = %s cm',
u)
def move_point(point,
direction,
target_fraction_dose,
initial_dose,
step=0.05,
iteration=0):
point = point + step * direction
dose = beamset.FractionDose.InterpolateDoseInPoint(
Point=point.value)
logger.info('Dose at %s = %.3f cGy', point, dose)
if round(dose, 3) == round(target_fraction_dose,
3) or iteration > 100:
# Found a suitable point or reached max iterations
return point
elif (initial_dose < target_fraction_dose and dose >
target_fraction_dose) or (initial_dose > target_fraction_dose
and dose < target_fraction_dose):
# We overshot the point, so inverse direction and reduce step
return move_point(point,
-direction,
target_fraction_dose,
dose,
step=0.5 * step,
iteration=iteration + 1)
else:
# Keep going in the same direction with same step
return move_point(point,
direction,
target_fraction_dose,
dose,
step=step,
iteration=iteration + 1)
dose = beamset.FractionDose.InterpolateDoseInPoint(
Point=initial_point.value)
if math.isnan(dose):
lib.error('No dose value available. Check if dose is calculated.')
logger.info('Dose per fraction at initial point = %.3f cGy', dose)
# Assume dose rises when moving towards center of PTV
if dose < target_fraction_dose:
point = move_point(initial_point, u, target_fraction_dose, dose)
else:
point = move_point(initial_point, -u, target_fraction_dose, dose)
logger.info('Final point = %s cm', point)
except Exception as e:
logger.exception(e)
raise
if get_poi_approval(poi_name):
logger.warning('POI %s is approved; cannot continue.', poi_name)
lib.error(
'POI %s exists and is approved; cannot continue. Unapprove %s before running script.'
% (poi_name, poi_name))
set_poi_coordinates(poi_name, point, examination=exam)
return point
def essai_autre_technique():
#pour faire un plan qui essai une autre technique (si VMAT essai IMRT et si IMRT essai VMAT)
#mais en gardant les meme objectifs d'optimisations et clinical goals
patient = lib.get_current_patient()
exam = lib.get_current_examination()
plan = lib.get_current_plan()
beamset = lib.get_current_beamset()
#va chercher l'info du plan original
plan_name = plan.Name
nb_fx = beamset.FractionationPattern.NumberOfFractions
ptv = beamset.Prescription.DosePrescriptions[0].OnStructure.Name
rx_dose = beamset.Prescription.DosePrescriptions[0].DoseValue
actual_technique = beamset.DeliveryTechnique
patient_position = beamset.PatientPosition
planner_name = plan.PlannedBy
#crée un plan VMAT si le plan est IMRT
if actual_technique == 'SMLC':
new_plan = patient.AddNewPlan(PlanName= plan_name+' VMAT', PlannedBy=planner_name, Comment="", ExaminationName=exam.Name, AllowDuplicateNames=False)
new_plan.SetDefaultDoseGrid(VoxelSize={'x': 0.2, 'y': 0.2, 'z': 0.2})
new_beamset = new_plan.AddNewBeamSet(Name='VMAT', ExaminationName=exam.Name, MachineName='BeamMod', NominalEnergy=None,Modality="Photons", TreatmentTechnique='VMAT', PatientPosition=patient_position, NumberOfFractions=nb_fx, CreateSetupBeams=False, Comment='VMAT')
new_beamset.AddDosePrescriptionToRoi(RoiName=ptv, DoseVolume=99, PrescriptionType="DoseAtVolume", DoseValue=rx_dose, RelativePrescriptionLevel=1)
new_beams = beams.add_beams_brain_stereo(beamset=new_beamset)
set_optimization_parameters(plan=new_plan)
set_vmat_conversion_parameters(max_arc_delivery_time=350.0, plan=new_plan)
#crée un plan IMRT si le plan est VMAT
else:
new_plan = patient.AddNewPlan(PlanName=plan_name+' IMRT', PlannedBy=planner_name, Comment="", ExaminationName=exam.Name, AllowDuplicateNames=False)
new_plan.SetDefaultDoseGrid(VoxelSize={'x': 0.2, 'y': 0.2, 'z': 0.2})
new_beamset = new_plan.AddNewBeamSet(Name='IMRT', ExaminationName=exam.Name, MachineName='BeamMod', NominalEnergy=None,Modality="Photons", TreatmentTechnique='SMLC', PatientPosition=patient_position, NumberOfFractions=nb_fx, CreateSetupBeams=False, Comment='VMAT')
new_beamset.AddDosePrescriptionToRoi(RoiName=ptv, DoseVolume=99, PrescriptionType="DoseAtVolume", DoseValue=rx_dose, RelativePrescriptionLevel=1)
new_beams = beams.add_beams_brain_static(beamset=new_beamset)
new_plan.PlanOptimizations[0].OptimizationParameters.Algorithm.OptimalityTolerance = 1E-10
new_plan.PlanOptimizations[0].OptimizationParameters.Algorithm.MaxNumberOfIterations = 100
new_plan.PlanOptimizations[0].OptimizationParameters.DoseCalculation.IterationsInPreparationsPhase = 60
new_plan.PlanOptimizations[0].OptimizationParameters.DoseCalculation.ComputeFinalDose = True
new_plan.PlanOptimizations[0].OptimizationParameters.SegmentConversion.MinSegmentMUPerFraction = 20
new_plan.PlanOptimizations[0].OptimizationParameters.SegmentConversion.MinLeafEndSeparation = 1
new_plan.PlanOptimizations[0].OptimizationParameters.SegmentConversion.MinNumberOfOpenLeafPairs = 3
new_plan.PlanOptimizations[0].OptimizationParameters.SegmentConversion.MinSegmentArea = 2
new_plan.PlanOptimizations[0].OptimizationParameters.SegmentConversion.MaxNumberOfSegments = 40
#lit les objectifs d'optimisation du plan original et en crée des pareils dans le nouveau plan
for objective in plan.PlanOptimizations[beamset.Number-1].Objective.ConstituentFunctions:
nom_roi = objective.ForRegionOfInterest.Name
nweight = objective.DoseFunctionParameters.Weight
if hasattr(objective.DoseFunctionParameters, 'FunctionType'): #les critères dose fall off n'ont pas de FunctionType, les autres en ont tous un
type = objective.DoseFunctionParameters.FunctionType
if type in ('MinDose','MaxDose','MinDvh','MaxDvh','UniformDose') :
pourcent = objective.DoseFunctionParameters.PercentVolume
dose_level = objective.DoseFunctionParameters.DoseLevel
new_objective = new_plan.PlanOptimizations[new_beamset.Number-1].AddOptimizationFunction(FunctionType=type, RoiName=nom_roi, IsConstraint=False,RestrictAllBeamsIndividually=False, RestrictToBeam=None, IsRobust=False, RestrictToBeamSet=None)
new_objective.DoseFunctionParameters.DoseLevel = dose_level
new_objective.DoseFunctionParameters.Weight = nweight
new_objective.DoseFunctionParameters.PercentVolume = pourcent
if type in ('MinEud','MaxEud'):
dose_level = objective.DoseFunctionParameters.DoseLevel
parametre_a = objective.DoseFunctionParameters.EudParameterA
new_objective = new_plan.PlanOptimizations[new_beamset.Number-1].AddOptimizationFunction(FunctionType=type, RoiName=nom_roi, IsConstraint=False,RestrictAllBeamsIndividually=False, RestrictToBeam=None, IsRobust=False, RestrictToBeamSet=None)
new_objective.DoseFunctionParameters.DoseLevel = dose_level
new_objective.DoseFunctionParameters.Weight = nweight
new_objective.DoseFunctionParameters.EudParameterA = parametre_a
else: # si pas de FunctionType on suppose que c'est un dose fall off
high_dose_level = objective.DoseFunctionParameters.HighDoseLevel
low_dose_level = objective.DoseFunctionParameters.LowDoseLevel
low_dose_distance = objective.DoseFunctionParameters.LowDoseDistance
new_objective = new_plan.PlanOptimizations[new_beamset.Number-1].AddOptimizationFunction(FunctionType='DoseFallOff', RoiName=nom_roi, IsConstraint=False,RestrictAllBeamsIndividually=False, RestrictToBeam=None, IsRobust=False, RestrictToBeamSet=None)
new_objective.DoseFunctionParameters.HighDoseLevel = high_dose_level
new_objective.DoseFunctionParameters.LowDoseLevel = low_dose_level
new_objective.DoseFunctionParameters.LowDoseDistance = low_dose_distance
new_objective.DoseFunctionParameters.Weight = nweight
for goal in plan.TreatmentCourse.EvaluationSetup.EvaluationFunctions:
nom_roi = goal.ForRegionOfInterest.Name
goal_criteria = goal.PlanningGoal.GoalCriteria
goal_type = goal.PlanningGoal.Type
acceptance_level = goal.PlanningGoal.AcceptanceLevel
parameter_value = goal.PlanningGoal.ParameterValue
new_goal = new_plan.TreatmentCourse.EvaluationSetup.AddClinicalGoal(RoiName=nom_roi, GoalCriteria=goal_criteria, GoalType=goal_type, AcceptanceLevel=acceptance_level, ParameterValue=parameter_value, IsComparativeGoal=False)
# Optimize plan twice
new_plan.PlanOptimizations[new_beamset.Number-1].RunOptimization()
new_plan.PlanOptimizations[new_beamset.Number-1].RunOptimization()
def create_ac_qa_plans(plan=None, phantom_name='ARCCHECK', iso_name='ISO AC'):
ui = get_current("ui")
patient = lib.get_current_patient()
if plan is None:
plan = lib.get_current_plan()
# Change dose color table reference value to dose of one fraction
rx_dose = plan.BeamSets[0].Prescription.DosePrescriptions[0].DoseValue
nb_fx = plan.BeamSets[0].FractionationPattern.NumberOfFractions
patient.CaseSettings.DoseColorMap.ReferenceValue = rx_dose * 1.1 / nb_fx # Increase ref dose by 10% because small size of ArcCheck typically leads to higher max dose in phantom than in patient
# RayStation asks you to save the plan before continuing. This is done automatically, because errors can occur if the user doesn't respond promptly and the script continues.
patient.Save()
# Create QA plan (for each beamset) - NOPE just this one
#for bs in plan.BeamSets:
bs = lib.get_current_beamset()
bs_name = bs.DicomPlanLabel
if len(bs_name) > 6: # To prevent crashes if resulting name will be > 16 characters long
bs_name = bs.DicomPlanLabel[:6]
if iso_name =='ISO AC':
name = 'QA ' + patient.PatientName[:4] + ' ' + bs_name
else:
name = 'PD ' + patient.PatientName[:4] + ' ' + bs_name
# Open the QA Preparation tab
if lib.check_version(4.7):
ui.MenuItem[6].Button_QAPreparation.Click()
elif lib.check_version(4.6):
ui.MenuItem[8].Button_QAPreparation.Click()
# Click button "New QA plan"
ui.TabControl_ToolBar.ToolBarGroup.__0.Button_NewQAPlan.Click()
# Enter a name in the plan name text box
ui.TextBox_VerificationPlanName.Text = name
# Open the phantom list dropdown and selects phantom
ui.ComboBox_PhantomList.ToggleButton.Click()
ui.ComboBox_PhantomList.Popup.ComboBoxItem[phantom_name].Select()
# ui.ComboBox_PhantomList.Popup.ComboBoxItem['QAVMAT ARCCHECK_2016'].Select() #Phantom for use in Dev database
# Check the box to compute dose after plan is created
ui.CheckBox._Compute_dose_when_the_QA_plan_is_created.Click()
# Select POI position for isocenter, open dropdown menu and select ISO AC
ui.RayRadionButton._1.Click()
ui.ComboBox_PointsOfInterests.ToggleButton.Click()
ui.ComboBox_PointsOfInterests.Popup.ComboBoxItem[iso_name].Select()
# Marks checkbox to use uniform resolution and set to 0.2cm
ui.CheckBox._Use_uniform_resolution.Click()
ui.TextBox_DoseGridResolutionPresentationX.Text = ".2"
# Collapse all angles couch, gantry and coll to 0 degrees
if iso_name == '2cm EPID'or iso_name == '4.8cm MapCheck IMF':
ui.RayRadionButton._4.Click()
ui.RayRadionButton._6.Click()
ui.RayRadionButton._8.Click()
ui.Button_OK.Click()
#si c'est des Mapcheck
if iso_name == '2cm EPID' or iso_name == '4.8cm MapCheck IMF':
ui.TabControl_ToolBar.ToolBarGroup._DATA_EXPORT.Button_ExportPlan___.Click()
# Unselect RT Dose for each beam, RT structures and CT Image
ui.QADicomExportDialogContent.CheckBox[3].Click()
ui.QADicomExportDialogContent.CheckBox[4].Click()
# Export plan, total dose and beam doses to Maggie
ui.QADicomExportDialogContent.PropertyRow[1].RadioButton.Click() # Select DICOM Store for export
ui.QADicomExportDialogContent.PropertyRow[1].ComboBox.ToggleButton.Click()
ui.QADicomExportDialogContent.PropertyRow[1].ComboBox.Popup.ComboBoxItem['MAGGIE [11.1.7.5]'].Select()
ui.QADicomExportDialogContent.PropertyRow[1].ComboBox.ToggleButton.Click()
#to actually click OK for export
ui.QADicomExportDialogContent.Button['Export'].Click()
#message.message_window('Les fichiers des plannar doses sont maintenant dans MAGGIE')
# Open the Export QA plan
else:
ui.TabControl_ToolBar.ToolBarGroup._DATA_EXPORT.Button_ExportPlan___.Click()
# Unselect RT Dose for each beam, RT structures and CT Image
ui.QADicomExportDialogContent.CheckBox[2].Click()
ui.QADicomExportDialogContent.CheckBox[3].Click()
ui.QADicomExportDialogContent.CheckBox[4].Click()
# Export plan, total dose and beam doses to Maggie
ui.QADicomExportDialogContent.PropertyRow[1].RadioButton.Click() # Select DICOM Store for export
ui.QADicomExportDialogContent.PropertyRow[1].ComboBox.ToggleButton.Click()
ui.QADicomExportDialogContent.PropertyRow[1].ComboBox.Popup.ComboBoxItem['MAGGIE [11.1.7.5]'].Select()
ui.QADicomExportDialogContent.PropertyRow[1].ComboBox.ToggleButton.Click()
#to actually click OK for export
ui.QADicomExportDialogContent.Button['Export'].Click()
def preparation_qa():
#QA preparation script for dosimetrists
# - Creates QA plan for the currently selected beamset on the ArcCheck phantom
# - Notes dose to MicroLion
# - Notes max dose and its location
# - Shifts the isocenter to put the point of max dose on the MicroLion (most of the time)
# - Recomputes dose and then exports dose to MicroLion before and after shift, along with instructions for the shift
patient = lib.get_current_patient()
plan = lib.get_current_plan()
beamset = lib.get_current_beamset()
output = "Patient: %s\nPlan: %s\nBeamset: %s\n" % (patient.PatientName.replace("^", ", "),plan.Name,beamset.DicomPlanLabel)
#Create QA plan centered on ISO AC
create_ac_qa_plans()
ui = get_current("ui")
ui.MessageBoxWindowContent.Button['OK'].Click() #Clears away dialogue after exporting DICOM files (or failing to)
vp = find_current_verification_plan(plan,beamset)
output += "Plan QA: " + vp.BeamSet.DicomPlanLabel + '\n'
#Find coordinates of current isocenter (rounded to a tenth of a millimeter)
iso_x = round(vp.BeamSet.Beams[0].PatientToBeamMapping.IsocenterPoint.x, 2)
iso_y = round(vp.BeamSet.Beams[0].PatientToBeamMapping.IsocenterPoint.y, 2)
iso_z = round(vp.BeamSet.Beams[0].PatientToBeamMapping.IsocenterPoint.z, 2)
#Get total dose at isocenter as well as each beam's contribution
isocenter_rsp = lib.RSPoint(iso_x, iso_y, iso_z)
isocenter_dose = vp.BeamSet.FractionDose.InterpolateDoseInPoint(Point=isocenter_rsp.value)
output += "\nPLAN CENTRÉ\nDose à l'isocentre: %.2fGy" % (isocenter_dose/100.0)
for beamdose in vp.BeamSet.FractionDose.BeamDoses:
dose_per_beam = beamdose.InterpolateDoseInPoint(Point=isocenter_rsp.value)
output += "\n %s : %.2fGy" % (beamdose.ForBeam.Name, dose_per_beam / 100.0)
#Determine location of max dose point and the dose it receives
fraction_dose = vp.BeamSet.FractionDose
grid = vp.DoseGrid
max_dose,max_coords = poi.get_max_dose_coordinates(fraction_dose,grid)
#Create a DSP at this point
vp.BeamSet.CreateDoseSpecificationPoint(Name="DSP", Coordinates={ 'x': max_coords.x, 'y': max_coords.y, 'z': max_coords.z })
# Formula for new isocenter: 2*(iso coordinate) - dose max coordinate (rounded)
new_iso = lib.RSPoint(0, 0, 0)
new_iso.x = 2 * iso_x - round(max_coords.x, 2)
new_iso.y = 2 * iso_y - round(max_coords.y, 2)
new_iso.z = 2 * iso_z - round(max_coords.z, 2)
# Round DSP coordinates to avoid sub-millimeter table displacements
new_iso.x = round(new_iso.x, 1) + (iso_x - round(iso_x, 1))
new_iso.y = round(new_iso.y, 1) + (iso_y - round(iso_y, 1)) # If iso_y = 2.75, then you get (2.75-2.8) = -0.05
new_iso.z = round(new_iso.z, 1) + (iso_z - round(iso_z, 1))
# Eliminate displacements that are 2mm or less
if abs(new_iso.x - iso_x) < 0.21:
new_iso.x = iso_x
if abs(new_iso.y - iso_y) < 0.21:
new_iso.y = iso_y
if abs(new_iso.z - iso_z) < 0.21:
new_iso.z = iso_z
#Set all beams to the new isocenter
for beam in vp.BeamSet.Beams:
beam.PatientToBeamMapping.IsocenterPoint = {'x': new_iso.x, 'y': new_iso.y, 'z': new_iso.z}
#Now that we're done with our DSP, set it back to the original isocenter coordinates to get dose to MicroLion
dsp = vp.BeamSet.DoseSpecificationPoints[0]
dsp.Name = "ISO MicroLion"
dsp.Coordinates = {'x': iso_x, 'y': iso_y, 'z': iso_z}
for beam in vp.BeamSet.Beams:
beam.SetDoseSpecificationPoint(Name="ISO MicroLion")
# Compute dose (this is done last, because otherwise changing beam spec points erases dose)
vp.BeamSet.ComputeDose(ComputeBeamDoses=True, DoseAlgorithm="CCDose", ForceRecompute=False)
#Calculate shift
shift_x = new_iso.x - iso_x
shift_y = new_iso.y - iso_y
shift_z = new_iso.z - iso_z
if shift_x == 0 and shift_y == 0 and shift_z == 0:
output += "\n\nL'isocentre se trouve sur le point de dose max. Aucun shift automatique a été calculé."
else:
if (isocenter_dose/max_dose) < 0.75:
output += "\n\nLa dose à l'isocentre est inférieure à 75% de la dose maximale.\nIl est nécessaire de mesurer la dose au MicroLion avec le shift suivant:\n\n"
else:
output += "\n\nLa dose à l'isocentre est supérieure à 75% de la dose maximale.\nIl n'est probablement pas nécessaire de faire un shift, mais voici une possibilité de shift au cas ou:\n\n"
if shift_x > 0:
direction_x = 'vers A'
elif shift_x < 0:
direction_x = 'vers B'
if shift_x != 0:
output += ' LATERAL: ' + str(abs(shift_x)) + 'cm ' + direction_x + '\n'
else:
output += ' LATERAL: Aucun shift\n'
if shift_y > 0:
direction_y = 'UP'
elif shift_y < 0:
direction_y = 'DOWN'
if shift_y != 0:
output += ' HAUTEUR: ' + str(abs(shift_y)) + 'cm ' + direction_y + '\n'
else:
output += ' HAUTEUR: Aucun shift\n'
if shift_z < 0:
direction_z = 'IN'
else:
direction_z = 'OUT' #We have to account for 0 shift because I call on this variable later (which isn't true for the other axes)
if shift_z != 0:
output += ' LONGITUDINAL: ' + str(abs(shift_z)) + 'cm ' + direction_z + '\n'
else:
output += ' LONGITUDINAL: Aucun shift\n'
if direction_z == 'IN':
output += "ATTENTION: Suite au déplacement vers IN, assurez-vous que le faisceau n'irradierais pas l'électronique du ArcCheck\n"
# Print dose to MicroLion with AC shift
isocenter_dose = vp.BeamSet.FractionDose.InterpolateDoseInPoint(Point=isocenter_rsp.value)
output += "\nPLAN AVEC SHIFT\nDose à l'isocentre: %.2fGy" % (isocenter_dose/100.0)
for beamdose in vp.BeamSet.FractionDose.BeamDoses:
dose_per_beam = beamdose.InterpolateDoseInPoint(Point=isocenter_rsp.value)
output += "\n %s : %.2fGy" % (beamdose.ForBeam.Name, dose_per_beam / 100.0)
#For IMRT plans, make a second QA plan to create EPIDStan files
if vp.BeamSet.DeliveryTechnique == "SMLC":
num_beams = 0
num_segments = 0
for beam in vp.BeamSet.Beams:
num_beams += 1
for seg in beam.Segments:
num_segments += 1
if num_segments > num_beams: #If this is an IMRT plan and not a 3DC plan
if lib.check_version(4.7):
phantom_name = '48x48x48 FANTOME'
elif lib.check_version(4.6):
phantom_name = '48x48x48 FANTOME'
create_ac_qa_plans(plan=None,phantom_name=phantom_name,iso_name='2cm EPID')
ui = get_current("ui")
ui.MessageBoxWindowContent.Button['OK'].Click() #Clears away dialogue after exporting DICOM files (or failing to)
output += "\n\nLe plan est fait en IMRT, n'oubliez pas de vérifier la dose 2D à l'aide de EPIDStan\nLes fichiers EPID se trouvent sur MAGGIE"
#Print all results to text file
try:
patient_ID = patient.PatientID
patient_name = patient.PatientName.replace("^", ", ")
file_path = r'\\radonc.hmr\Departements\Physiciens\Clinique\IMRT\QA'
file_path += '\\' + patient_name + '~' + patient_ID + '-TESTSUPERBRIDGE'
with open(file_path + '\\QA patient ' + vp.BeamSet.DicomPlanLabel + ".txt", 'w') as dvh_file:
dvh_file.write(output)
except Exception as e:
texte = 'Impossible de créer le fichier texte avec les résultats.\n%s\nSVP, notez les valeurs ci-dessous:\n\n' % e
message.message_window(texte + output)
def shift_plans_QA(print_results=True):
"""
Checks all existing QA plans to see if they have a dose specification
point (which should correspond to the point of dose max).
If a DSP is found, the isocenter is shifted and the plan is recalculated,
which should usually move the MicroLion to the point of dose max.
This script should only be used if the beams are currently on the phantom isocenter point
(where the MicroLion is situated). If not, then the displacements printed to file may be incorrect!
"""
patient = lib.get_current_patient()
plan = lib.get_current_plan()
beamset = lib.get_current_beamset()
grid = {'x': 0.2, 'y': 0.2, 'z': 0.2}
#Determine which verification plan we are currently
vp = None
for vpl in plan.VerificationPlans:
if vpl.ForTreatmentPlan.Name == plan.Name and vpl.OfRadiationSet.DicomPlanLabel == beamset.DicomPlanLabel:
vp = vpl
break
#If no appropriate verification plan is found, do nothing
if vp == None:
message.message_window('Aucun plan QA trouvé')
return
message.message_window('Le nom du plan QA trouvé est ' + vpl.BeamSet.DicomPlanLabel)
#for vp in plan.VerificationPlans:
try:
p = lib.RSPoint(point=vp.BeamSet.DoseSpecificationPoints[0].Coordinates) # get coords of first DSP (if it exists)
except:
message.message_window('Aucun DSP trouvé dans le plan QA')
return
# Find coordinates of current isocenter (rounded to a tenth of a millimeter)
iso_x = round(vp.BeamSet.Beams[0].PatientToBeamMapping.IsocenterPoint.x, 2)
iso_y = round(vp.BeamSet.Beams[0].PatientToBeamMapping.IsocenterPoint.y, 2)
iso_z = round(vp.BeamSet.Beams[0].PatientToBeamMapping.IsocenterPoint.z, 2)
# Formula for new isocenter: 2*(iso coordinate) - dose max coordinate (rounded)
p.x = 2 * iso_x - round(p.x, 2)
p.y = 2 * iso_y - round(p.y, 2) # difference between DICOM and patient coordinate systems, y=-z
p.z = 2 * iso_z - round(p.z, 2) # difference between DICOM and patient coordinate systems, z=y
# Round DSP coordinates to avoid sub-millimeter table displacements
p.x = round(p.x, 1) + (iso_x - round(iso_x, 1))
p.y = round(p.y, 1) + (iso_y - round(iso_y, 1)) # If iso_y = 2.75, then you get (2.75-2.8) = -0.05
p.z = round(p.z, 1) + (iso_z - round(iso_z, 1))
# Eliminate displacements that are 2mm or less
if abs(p.x - iso_x) < 0.21:
p.x = iso_x
if abs(p.y - iso_y) < 0.21:
p.y = iso_y
if abs(p.z - iso_z) < 0.21:
p.z = iso_z
# Add SHIFT to plan name (truncate name if resulting name will be >16 characters)
if len(vp.BeamSet.DicomPlanLabel) > 9: # To prevent crashes if resulting name will be > 16 characters long
name = vp.BeamSet.DicomPlanLabel[:9] + ' SHIFT'
else:
name = vp.BeamSet.DicomPlanLabel + ' SHIFT'
vp.BeamSet.DicomPlanLabel = name
# Shift isocenter
#plan.BeamSets[vp.OfRadiationSet.Number-1].CreateQAPlan(PhantomName='QA VMAT ARCCHECK', QAPlanName=name, IsoCenter=p.value, DoseGrid=grid, ComputeDoseWhenPlanIsCreated=True)
for beam in vp.BeamSet.Beams:
beam.PatientToBeamMapping.IsocenterPoint = {'x': p.x, 'y': p.y, 'z': p.z}
# Move DSP to isocenter coordinates and assign as spec point for all beams
try:
dsp = vp.BeamSet.DoseSpecificationPoints[0]
dsp.Name = "ISO MicroLion"
dsp.Coordinates = {'x': iso_x, 'y': iso_y, 'z': iso_z}
except IndexError as e:
logger.error('You must create a dose specification point manually before executing this script.')
logger.exception(e)
raise
except Exception as e:
logger.exception(e)
raise
for beam in vp.BeamSet.Beams:
beam.SetDoseSpecificationPoint(Name="ISO MicroLion")
# Compute dose (this is done last, because otherwise changing beam spec points erases dose)
vp.BeamSet.ComputeDose(ComputeBeamDoses=True, DoseAlgorithm="CCDose", ForceRecompute=False)
# Write displacement to file
# Get demographic information
patient_ID = patient.PatientID
patient_name = patient.PatientName.replace("^", ", ")
if print_results is True:
try:
file_path = r'\\radonc.hmr\Departements\Physiciens\Clinique\IMRT\QA'
file_path += '\\' + patient_name + '~' + patient_ID + '-TESTSUPERBRIDGE'
# Write to file
with open(file_path + '\\Déplacement ArcCheck ' + name + ".txt", 'w') as dvh_file:
dvh_file.write('Patient: ' + patient_name + '\n')
dvh_file.write('No. HMR: ' + patient_ID + '\n\n\n')
dvh_file.write('Déplacement ArcCheck pour QA plan: ' + name + '\n\n')
shift_x = p.x - iso_x
if shift_x > 0:
direction_x = 'vers A'
elif shift_x < 0:
direction_x = 'vers B'
if shift_x != 0:
dvh_file.write(' LATERAL: ' + str(abs(shift_x)) + 'cm ' + direction_x + '\n')
else:
dvh_file.write(' LATERAL: Aucun shift\n')
shift_z = p.z - iso_z
if shift_z > 0:
direction_z = 'OUT'
elif shift_z < 0:
direction_z = 'IN'
if shift_z != 0:
dvh_file.write(' LONGITUDINAL: ' + str(abs(shift_z)) + 'cm ' + direction_z + '\n')
else:
dvh_file.write(' LONGITUDINAL: Aucun shift\n')
shift_y = p.y - iso_y
if shift_y > 0:
direction_y = 'UP'
elif shift_y < 0:
direction_y = 'DOWN'
if shift_y != 0:
dvh_file.write(' HAUTEUR: ' + str(abs(shift_y)) + 'cm ' + direction_y + '\n')
else:
dvh_file.write(' HAUTEUR: Aucun shift\n')
# Print dose to MicroLion with AC shift
dsp_temp = lib.RSPoint(dsp.Coordinates.x, dsp.Coordinates.y, dsp.Coordinates.z)
dsp_dose = vp.BeamSet.FractionDose.InterpolateDoseInPoint(Point=dsp_temp.value)
dvh_file.write("\n\nNouveau dose au point %s : %.3fGy" % (dsp.Name, dsp_dose / 100.0))
dvh_file.write("\n\nDose par faisceau: ")
for beamdose in vp.BeamSet.FractionDose.BeamDoses:
dose_per_beam = beamdose.InterpolateDoseInPoint(Point=dsp_temp.value)
dvh_file.write("\n %s : %.3fGy" % (beamdose.ForBeam.Name, dose_per_beam / 100.0))
except:
texte = 'Impossible de créer le fichier texte avec les déplacements. SVP, notez les valeurs ci-dessous:\n\n'
shift_x = p.x - iso_x
if shift_x > 0:
direction_x = 'vers A'
elif shift_x < 0:
direction_x = 'vers B'
if shift_x != 0:
texte += ' LATERAL: ' + str(abs(shift_x)) + 'cm ' + direction_x + '\n'
else:
texte += ' LATERAL: Aucun shift\n'
shift_z = p.z - iso_z
if shift_z > 0:
direction_z = 'OUT'
elif shift_z < 0:
direction_z = 'IN'
if shift_z != 0:
texte += ' LONGITUDINAL: ' + str(abs(shift_z)) + 'cm ' + direction_z + '\n'
else:
texte += ' LONGITUDINAL: Aucun shift\n'
shift_y = p.y - iso_y
if shift_y > 0:
direction_y = 'UP'
elif shift_y < 0:
direction_y = 'DOWN'
if shift_y != 0:
texte += ' HAUTEUR: ' + str(abs(shift_y)) + 'cm ' + direction_y + '\n'
else:
texte += ' HAUTEUR: Aucun shift\n'
message.message_window(texte)