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add ability to retrieve ROI names in a case insensitive way #47

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add ability to retrieve ROI names in a case insensitive way #47

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8828d60
add ability to retrieve ROI names in a case insensitive way
Feb 22, 2022
f434fcd
Add test for case insensitivity
awtkns Feb 22, 2022
cc439b1
Code formatting
awtkns Feb 22, 2022
cab9a6b
solve NPE issue
Feb 23, 2022
44332b4
Merge branch 'main' into add_ability_to_retrieve_ROI_names_in_a_case_…
raffaelespinoni Mar 29, 2022
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3 changes: 2 additions & 1 deletion rt_utils/rtstruct.py
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Original file line number Diff line number Diff line change
Expand Up @@ -104,9 +104,10 @@ def get_roi_mask_by_name(self, name) -> np.ndarray:
"""
Returns the 3D binary mask of the ROI with the given input name
"""
name = name.casefold() if type(name) is str else name

for structure_roi in self.ds.StructureSetROISequence:
if structure_roi.ROIName == name:
if structure_roi.ROIName.casefold() == name:
contour_sequence = ds_helper.get_contour_sequence_by_roi_number(
self.ds, structure_roi.ROINumber
)
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19 changes: 19 additions & 0 deletions tests/test_rtstruct_builder.py
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Original file line number Diff line number Diff line change
Expand Up @@ -72,6 +72,25 @@ def test_add_valid_roi(new_rtstruct: RTStruct):
assert new_rtstruct.get_roi_names() == [NAME]


def test_get_roi_by_name_case_insensitive(new_rtstruct: RTStruct):
NAME = "Test ROI"
mask = get_empty_mask(new_rtstruct)
mask[50:100, 50:100, 0] = 1
new_rtstruct.add_roi(mask, name=NAME)

assert type(new_rtstruct.get_roi_mask_by_name(name=NAME.upper())) is np.ndarray


def test_get_invalid_roi_by_none_name(new_rtstruct: RTStruct):
NAME = "Test ROI"
mask = get_empty_mask(new_rtstruct)
mask[50:100, 50:100, 0] = 1
new_rtstruct.add_roi(mask, name=NAME)

with pytest.raises(RTStruct.ROIException):
new_rtstruct.get_roi_mask_by_name(name=None)


def test_get_invalid_roi_mask_by_name(new_rtstruct: RTStruct):
assert new_rtstruct.get_roi_names() == []
with pytest.raises(RTStruct.ROIException):
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