Merge pull request #272 from alexlib/master

return to scientific notation

Author: alexlib

openpiv/tools.py

@@ -390,7 +390,7 @@ def save(
     v: np.ndarray, 
     flags: Optional[np.ndarray] = None,
     mask: Optional[np.ndarray] = None,
-    fmt: str="%8.4f", 
+    fmt: str="%.4e",
     delimiter: str="\t",
     )-> None:
     """Save flow field to an ascii file.

setup.py

@@ -20,7 +20,7 @@
     ],
     install_requires=[
         'numpy',
-        'imageio',
+        'imageio>=2.22.4',
         'matplotlib>=3',
         'scikit-image',
         'scipy',