Add AcquisitionVoxelSize tag for Siemens ASL (#608)

rordenlab · Jun 7, 2022 · 8f66f1e · 8f66f1e
1 parent 0191d51
commit 8f66f1e
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/console/nii_dicom_batch.cpp b/console/nii_dicom_batch.cpp
@@ -1651,6 +1651,10 @@ tse3d: T2*/
 			fprintf(fp, "\t\"ArterialSpinLabelingType\": \"PCASL\",\n");
 		if (isPASL)
 			fprintf(fp, "\t\"ArterialSpinLabelingType\": \"PASL\",\n");
+		//AcquisitionVoxelSize uses slice thickness (without gap)
+		// https://bids-specification.readthedocs.io/en/stable/04-modality-specific-files/01-magnetic-resonance-imaging-data.html#common-metadata-fields-applicable-to-both-pcasl-and-pasl
+		if ((isPASL) || (isPCASL))
+			fprintf(fp, "\t\"AcquisitionVoxelSize\": [\n\t\t%g,\n\t\t%g,\n\t\t%g\t],\n", d.xyzMM[1], d.xyzMM[2], d.zThick);
 		//general properties
 		if ((csaAscii.partialFourier > 0) && ((d.modality == kMODALITY_MR))) { //check MR, e.g. do not report for Siemens PET
 			//https://github.com/ismrmrd/siemens_to_ismrmrd/blob/master/parameter_maps/IsmrmrdParameterMap_Siemens_EPI_FLASHREF.xsl