From a33a849249550bf4e39e2e0f1537704782438f7e Mon Sep 17 00:00:00 2001
From: Paul McCarthy <pauldmccarthy@gmail.com>
Date: Mon, 18 May 2020 16:12:44 +0100
Subject: [PATCH] ENH: New Nifti.niftiDataType property
---
fsl/data/constants.py | 30 ++++++++++++++++++++++++++++++
fsl/data/image.py | 5 +++++
2 files changed, 35 insertions(+)
diff --git a/fsl/data/constants.py b/fsl/data/constants.py
index 5a870ccf0..00b60acb2 100644
--- a/fsl/data/constants.py
+++ b/fsl/data/constants.py
@@ -98,6 +98,36 @@ NIFTI_UNITS_PPM = 40
NIFTI_UNITS_RADS = 48
+# NIFTI datatype codes
+NIFTI_DT_NONE = 0
+NIFTI_DT_UNKNOWN = 0
+NIFTI_DT_BINARY = 1
+NIFTI_DT_UNSIGNED_CHAR = 2
+NIFTI_DT_SIGNED_SHORT = 4
+NIFTI_DT_SIGNED_INT = 8
+NIFTI_DT_FLOAT = 16
+NIFTI_DT_COMPLEX = 32
+NIFTI_DT_DOUBLE = 64
+NIFTI_DT_RGB = 128
+NIFTI_DT_ALL = 255
+NIFTI_DT_UINT8 = 2
+NIFTI_DT_INT16 = 4
+NIFTI_DT_INT32 = 8
+NIFTI_DT_FLOAT32 = 16
+NIFTI_DT_COMPLEX64 = 32
+NIFTI_DT_FLOAT64 = 64
+NIFTI_DT_RGB24 = 128
+NIFTI_DT_INT8 = 256
+NIFTI_DT_UINT16 = 512
+NIFTI_DT_UINT32 = 768
+NIFTI_DT_INT64 = 1024
+NIFTI_DT_UINT64 = 1280
+NIFTI_DT_FLOAT128 = 1536
+NIFTI_DT_COMPLEX128 = 1792
+NIFTI_DT_COMPLEX256 = 2048
+NIFTI_DT_RGBA32 = 2304
+
+
# NIFTI file intent codes
NIFTI_INTENT_NONE = 0
NIFTI_INTENT_CORREL = 2
diff --git a/fsl/data/image.py b/fsl/data/image.py
index eb9c468cc..f02023ff9 100644
--- a/fsl/data/image.py
+++ b/fsl/data/image.py
@@ -560,6 +560,11 @@ class Nifti(notifier.Notifier, meta.Meta):
"""Returns the NIFTI intent code of this image. """
return self.header.get('intent_code', constants.NIFTI_INTENT_NONE)
+ @property
+ def niftiDataType(self):
+ """Returns the NIFTI data type code of this image. """
+ return self.header.get('datatype', constants.NIFTI_DT_UNKNOWN)
+
@intent.setter
def intent(self, val):
--
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