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revised get_roi_names for geometric type (#99) #100

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revised get_roi_names for geometric type (#99) #100

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20 changes: 16 additions & 4 deletions rt_utils/rtstruct.py
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Original file line number Diff line number Diff line change
Expand Up @@ -88,17 +88,29 @@ def validate_mask(self, mask: np.ndarray) -> bool:

return True

def get_roi_names(self) -> List[str]:
def get_roi_names(self, geometry: str = 'ALL') -> List[str]:
"""
Returns a list of the names of all ROI within the RTStruct
Optional argument to return only ROI of specific geometric type: E.g. [CLOSED_PLANAR, POINT]
"""

if not self.ds.StructureSetROISequence:
print("StructureSetROISequence is empty.")
return []

return [
structure_roi.ROIName for structure_roi in self.ds.StructureSetROISequence
]
if geometry == 'ALL':
return [
structure_roi.ROIName for structure_roi in self.ds.StructureSetROISequence
]
if geometry in ['CLOSED_PLANAR', 'OPEN_PLANAR', 'OPEN_NONPLANAR', 'POINT']:
return [
self.ds.StructureSetROISequence[i].ROIName
for i in range(0,len(self.ds.ROIContourSequence))
if self.ds.ROIContourSequence[i].ContourSequence[0].ContourGeometricType==geometry
]
else:
print(f"Unrecognised geometric type: {geometry}")
return []

def get_roi_mask_by_name(self, name) -> np.ndarray:
"""
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