Fix AslContext bug

d2b-dev · May 1, 2024 · e19fcf3 · e19fcf3
1 parent 8de3b5f
commit e19fcf3
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/src/d2b_asl.py b/src/d2b_asl.py
@@ -95,7 +95,7 @@ def find_asl_acquisitions(acquisitions: list[Acquisition]) -> list[Acquisition]:
 
 def is_asl(acquisition: Acquisition) -> bool:
     description = acquisition.description
-    return description.data_type == "perf"
+    return description.modality_label == "_asl"
 
 
 class Aslcontext:
@@ -128,7 +128,7 @@ def json_file(self) -> Path:
 
     def validate(self, asl_file: str | Path):
         img: nib.Nifti1Image = nib.load(asl_file)
-        nvols, nlabels = img.shape[-1], len(self.labels)
+        nvols, nlabels = img.header['dim'][4], len(self.labels)
         if nvols != nlabels:
             raise AslContextConfigurationError(asl_file, nvols, nlabels)
         for label in self.labels: